CC BY-NC-ND 4.0 · Joints 2018; 06(03): 188-203
DOI: 10.1055/s-0038-1675799
Review Article
Georg Thieme Verlag KG Stuttgart · New York

Uncommon Complications after Anterior Cruciate Ligament Reconstruction

Anna Palazzolo
1   Department of Orthopedics and Traumatology, Università degli studi di Torino, Turin, Italy
,
Federica Rosso
2   Department of Orthopaedics and Traumatology, AO Ordine Mauriziano, Turin, Italy
,
Davide Edoardo Bonasia
2   Department of Orthopaedics and Traumatology, AO Ordine Mauriziano, Turin, Italy
,
Francesco Saccia
3   Orthopaedics and Traumatology Unit, San Giovanni Bosco Hospital, Turin, Italy
,
Roberto Rossi
2   Department of Orthopaedics and Traumatology, AO Ordine Mauriziano, Turin, Italy
,
Knee Committee SIGASCOT › Institutsangaben
Weitere Informationen

Address for correspondence

Federica Rosso, MD
Department of Orthopaedics and Traumatology
AO Ordine Mauriziano, Largo Turati 62, 10128, Turin
Italy   

Publikationsverlauf

15. Januar 2018

07. Oktober 2018

Publikationsdatum:
30. November 2018 (online)

 

Abstract

Anterior cruciate ligament reconstruction (ACL-R) is a common surgical procedure, with good outcome in 75 to 97% of the cases. However, different complications have been described including infection, hemarthrosis, deep vein thrombosis (DVT), and pulmonary embolism (PE) with a rate ranging from 1 to 15%. There are few case reports in the literature describing rare complications after ACL-R and they can be divided into: (1) complications related to the fixation device (rupture, migration); (2) fractures (tibial or femoral side); (3) infections due to uncommon bacteria, mycobacterium, and mycosis; (4) rare vascular injuries; (5) nerve injuries; and (6) other rare complications. In case of fixation device rupture or migration, device removal can be easy but the diagnosis may be challenging. Patellar fracture after ACL-R may be related to harvesting and it is not uncommon. Conversely, femoral or tibial fractures are most frequently due to bone weakness related to bone tunnels. Some rare infections related to uncommon bacteria or mycosis are also described with potentially devastating joint damage. Popliteal artery injuries are uncommon in ACL-R but minor vessels damages are described with possible severe consequences for patients. Injuries to the infrapatellar branch of the saphenous nerve are not uncommon in ACL-R. However, there are few case reports also describing injuries to the saphenous nerve, the common peroneal nerve and the sciatic nerve. The aim of this paper is to review the literature describing uncommon complications after ACL-R, giving some more information about diagnosis and treatment.


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Introduction

Anterior cruciate ligament reconstruction (ACL-R) is a very common surgical procedure, with more than 120,000 surgeries performed annually in the United States.[1] Different studies reported good outcomes after ACL-R with a return to preinjury level of activity ranging from 75 to 97%.[2] [3] [4] However, a failure rate ranging from 10 to 15% and a complication rate ranging from 1 to 15% are also reported.[5] [6] Complications after ACL-R, such as deep vein thrombosis (DVT), hemarthrosis, effusion and synovitis, infection, or arthrofibrosis are not uncommon.[7] DVT and pulmonary embolism (PE) are relatively rare complications following ACL-R but the incidence of asymptomatic DVT is reported to be closed to 15%.[8] Other studies described a 90-day PE rate of 0.08% and 90-day DVT rate of 0.12% in 301,701 elective arthroscopic procedures.[9]

Knee joint infection is a rare but potentially devastating complication after ACL-R, with an incidence ranging from 0.14 to 1.70%.[10] [11] [12] Graft choice may be associated to the risk of infection with a reported increased risk for hamstring compared with bone-patellar tendon-bone (BPTB) autograft and for allograft compared with autograft.[13] [14] [15] [16]

During graft harvesting, different possible complications may occur, such as patellar fracture, with an incidence ranging between 0.2 and 2.3% during BPTB graft harvesting.[17] Similarly, hamstring graft harvesting may be related to different complications, such as the risk to cut the tendons at an undesirably short length. This complication typically occurs when fascial bands are not sufficiently freed off the tendons, forcing the stripper to prematurely amputate the tissue.[18] Another common complication after ACL-R is postoperative hemarthrosis but it can be avoided using a postoperative drain for 24 hours. McCormack et al found that the hemarthrosis score was statistically smaller 1 week after surgery in the drained group (p = 0.02) compared with the notdrained one but this difference was no more relevant after 4 or 8 weeks.[19]

Despite the amount of literature regarding common complications following ACL-R, there are few case reports describing uncommon complications. These complications may be divided into six categories: (1) complications related to the fixation devices (rupture or migration); (2) fractures (on tibial or femoral side); (3) infection due to uncommon bacteria and mycosis; (4) rare vascular injuries; (5) nerve injuries; and (6) others complications. The aim of this literature review is to describe diagnosis and treatment of these uncommon complications following ACL-R.


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Complications Related to the Fixation Devices

The fixation devices used in ACL-R can be divided (based on the type of fixation) into suspension, transfixion or expansion, and compression.

Within the compression devices, metallic or absorbable interference screws are the most commonly used for both soft tissue and BPTB grafts. Theoretical advantages of absorbable compared with metallic screws are lower risk of graft injury during fixation, less difficulties during revision surgeries and low interference during magnetic resonance imaging (MRI). Different disadvantages are also described, such as synovitis related to screw absorption, osteolysis around the screw, chronic effusion, and aseptic exudates.[20] However, a recent Cochrane review did not demonstrate any differences in self-reported outcomes, postoperative activity level, implant breakage during surgery and major postoperative complications between metallic or absorbable interference screws.[21]

Different complications have been described using both absorbable and metallic interference screws for graft fixation. Screw breakage during insertion has been described to be more frequent using absorbable compared with metallic screws, with a rate closed to 10%. Different authors concluded about no association between screw breakage and worse clinical outcome but it may be associated to low primary stability.[22] Late screw breakage after ACL-R is a rare complication. There are four case reports in literature describing five cases of late absorbable interference screw breakage on the tibial side.[23] [24] [25] [26] In all the cases, the breakage occurred within 1 year after surgery. All patients had minor trauma, such as standing up from a chair, or no trauma. Patients experienced persistent swelling and mechanical symptoms, such as locking or popping. In all the cases an MRI was performed, confirming an intra-articular loose body. All the patients underwent arthroscopic screw removal and in all the cases the screw was located in the intercondylar notch. In one case, the broken screw caused a cartilage damage on the patellar side. In all the cases the symptoms resolved after screw removal and patients completely recovered.[23] [24] [25] [26] Loosening and intra-articular migration of interference screws after ACL-R are also a rare but possible complication, requiring screw removal because of mechanical problems and cartilage damages. Screw migration may be related to a tunnel-screw size mismatch, screw divergence, poor bone quality, tunnel enlargement, or bone resorption due to thermal necrosis during tunnel drilling.[27] [28] Bone tunnels enlargement may be associated to graft-tunnel interface micromotion, accelerated rehabilitation, improper graft fixation or placement, presence of allograft, graft swelling and the so-called “pressure-effect”[29].There are four papers in literature describing five cases of tibial interference screw migration.[28] [30] [31] [32] In three cases the migration occurred within 1 year from the ACL-R,[30] [31] while in the last two cases it occurred 1 and 2 years after the surgery.[28] [32] Hamstring graft was used in four cases,[30] [31] [32] while BPTB graft was used in the remaining one.[28] In four cases an intra-articular migration occurred,[28] [30] [31] and in the last one the screw migrated extra-articularly and it was palpable under the skin of the proximal tibia.[32] Screw migration may have different clinical presentations, such as mechanical symptoms,[28] [31] erythema, palpable mass, wound dehiscence,[32] effusion, and limited range of motion (ROM).[30] MRI was performed in all the cases to diagnose screw migration.[28] [30] [31] [32] Patients underwent arthroscopic device removal and in one case a posteromedial portal was required to remove the screw.[28] In most of the patients, symptoms disappeared after device removal but one patient complained about a residual instability and a limited ROM.[30]

Transfixion devices, such as cross-pins, may also be used for ACL graft fixation. Some authors preferred absorbable device instead of metallic ones, because of their potential, such as graft irritation, problems during revision procedures, as well as MRI distortion.[33] Three case reports reporting cross-pin breakage were described in literature.[34] [35] [36] The same fixation device was used in all the cases (RigidFix, Mitek) and a late breakage occurred with patients complaining about sudden effusion, pain, and catching sensation.[34] [35] [36] In two cases an MRI was performed but it was not determinant to assess device breakage.[34] [35] All the cases underwent a diagnostic arthroscopy. In one case the broken device was found in the lateral compartment with associated lateral chondral damage.[35] In the second case, the device was found in the posterolateral corner, lodged in the popliteal hiatus,[34] while in the last case the device was found in the medial compartment with associated chondral damage.[36] In all the cases, there were no graft damages and the patients completely recovered after device removal.[34] [35] [36]

There are three case reports in literature describing a cortical button migration. In the first case, the button was found in the popliteal space 25 months after surgery and it was arthroscopically removed.[37] In the second case, the cortical button was found in the knee joint at the 2 years follow-up X-ray. The patient was completely asymptomatic and refused arthroscopic device removal.[38] In the last case, the patient sustained ACL rerupture 3 years after the primary reconstruction and the X-rays showed intra-articular displacement of the cortical button. The patient underwent an ACL-R revision with button removal. Intraoperatively, it was noted that the femoral tunnel exit was too anterior in the suprapatellar pouch, with suture loop failure and consequent intra-articular displacement of the cortical button.[39] [Table 1] summarizes these cases.

Table 1

Rupture of bio-absorbable screw and cross-pin and the migration of the devices

Authors

Age (y) and gender

Type of graft and type of fixation system

Timing (months)

Diagnosis and symptoms

Treatment

Note

Muneta et al[37] (1999)

• Cortical button

25

• MRI

Arthroscopy

Bottoni et al[31] (2000)

44 and male

• Hamstring

• Absorbable screw

7

• MRI

• Similar to meniscal lesion

Arthroscopy

Sassmannshausen and Carr[32] (2003)

28 and female

• Hamstring

• Absorbable screw

12

• X-Rays

• Erythema, palpable mass, wound dehiscence

Arthroscopy

Extra-articular migration

Yanmiş et al[38] (2004)

28 and male

• Anterior tibial tendon allograft

• Cortical button

24

• Asymptomatic

No treatment

Cosseyand Paterson[36] (2005)

23 and male

• Patellar bone-tendon-bone graft

13

• Intermittent episodes of locking

Arthroscopy

Lembeck and Wülker[23] (2005)

27 and female

•BPTB

•Absorbable screw

12

• MRI

• Persistent swelling and intermittent locking

Arthroscopy

Resinger et al[28] (2005)

23 and female

• BPTB

• Absorbable screw

48

• MRI

• Locking and pain in the popliteal fossa

Arthroscopy

Posteromedial arthroscopic portal

Han et al[34] (2005)

18 and male

• Allogenic semitendinosus-gracilis graft

• Absorbable pins

14

• X-Ray and MRI (not diagnostic)

• Sudden, migrant, painful, catching sensation during extension

Arthroscopy

Bollen and Hoeven[24] (2006)

19 and female

• Semitendinosus-gracilis graft

• Absorbable screw

7

• MRI

• Pain, swelling, and minor extensor deficit

Arthroscopy

Bollen and Hoeven[24] (2006)

17 and female

• Semitendinosus-gracilis graft

• Absorbable screw

12

• MRI

• Pain

Arthroscopy

Krappel et al[30] (2006)

40 and male

37 and male

• Hamstring

• Absorbable screw

•••

• Hamstring

• Absorbable screw

34

• MRI in both of cases

• Mimics infection with effusion and limited ROM

• Pain, swelling, effusion and locking episodes

Arthroscopy in both of cases

•Failure of the graft

•Full recovery

Metcalfe et al[26] (2008)

-

• Semitendinosus-gracilis graft

• Absorbable screw

2

• X-Ray

• Acute effusion and locking knee at 20 degrees of flexion

Arthroscopy

Papastergiou et al[35] (2009)

20 and male

• Semitendinosus-gracilis graft

• Absorbable pins

20

• MRI (not diagnostic)

• Effusion and lateral joint-line pain

Arthroscopy

Huang and Tan[25] (2012)

22 and female

• Semitendinosus-gracilis graft

• Absorbable screw

6

• MRI

• Pain and locking with an extension deficit of 5 degrees

Arthroscopy

Ho and Lee[39] (2017)

24 and male

  

• Cortical button

36

• ACL rerupture

ACL-R and button removal (arthroscopic)

Abbreviations: ACL, anterior cruciate ligament; ACL-R, ACL-reconstruction; BPTB, bone-patellar tendon-bone; MRI, magnetic resonance imaging; ROM, range of motion.



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Rare Fractures

Patellar fracture may occur during BPTB autograft harvesting. Studies have reported the incidence of intraoperative and postoperative patella fractures with BPTB graft ranging between 0.2 and 2.3%.[40] Tibial and femoral fractures are less common compared with patellar fractures.

Tibial Fracture

Tibial fracture is a rare complication following ACL-R. Different factors may be related to increased risk for tibial fracture after ACL-R. Biomechanical studies found that bone defects, for example, due to bony tunnel for an ACL-R may decrease bone strength to torsional loading. Moreover, drill holes may cause a reduction of 20% of the mineral bone density, reducing the bone strength from 55 to 90%.[41] Other authors described a possible association between tunnel enlargement and risk of fracture development.[29] [42] Furthermore, other authors reported an increased risk of tibial fracture if a BPTB graft was used, probably due to the increased stress related to both presence of a tibial defect (for graft harvesting) and the tibial tunnel.[43] There are 17 case reports in literature describing tibial fracture after ACL-R.[43] [44] [45] [46] [47] [48] [49] [50] [51] [52] [53] [54] [55] [56] [57] [58] However, five case reports were excluded from this review because the fracture was due to a high energy trauma (traffic accident).[51] [52] [53] [54] [55] Furthermore, one case report was excluded because it was written in German language[56] and one other because it was poorly described.[57] Moen et al described a proximal tibial fracture at the graft harvesting site due to stress concentration at this location. The patients underwent conservative treatment in a long leg cast and completely recovered from the complication.[50] In the remaining nine reports, the BPTB graft was used in five cases,[43] [45] [46] [47] while soft tissue graft was used in four cases.[10] [48] [49] [58] In most of the cases the fracture occurred within 6 months from the ACL-R.[44] [58] However, in one case it occurred 4.5 years after surgery due to a minor trauma in a 40 years old man.[10] Fractures occurred at the tibial tunnel in three cases[10] [48] [49] and at the harvesting site in four cases.[44] [45] [46] [58] In one case, the fracture begun from the transosseous tunnel and involved the entire tibial plateau.[43] In the remaining case, the fracture occurred at the graft fixation site at the tibial side.[47] All patients presented complaining about swelling, hemarthrosis, and inability to bear weight. In seven cases, the fracture was diagnosed with an X-ray[43] [44] [45] [46] [48] [58] and in seven cases, a computed tomography (CT) scan was obtained to better evaluate fracture morphology[43] [44] [45] [47] [48] [58]. In one case the undisplaced tibial plateau fracture was not detected with X-rays and an MRI was necessary to confirm the diagnosis.[49] Three cases were surgically managed with open reduction and internal fixation,[10] [45] [46] one case was surgically treated with a minimally invasive surgical technique using screws.[43] In all these cases the fracture was displaced. The remaining five cases with an undisplaced fracture were treated with no weight-bearing and cast or brace for 4 to 6 weeks[44] [47] [48] [49]. In seven cases, patients completely recovered from the complication[10] [44] [45] [46] [47] [58] but in the remaining two cases, patients complained about postoperative mild decreased ROM.[43] [49] [Table 2] summarized all the case reports previously described.

Table 2

Summary of case reports describing tibial fracture after ACL-R

Authors

Age (y) and gender

Type of fracture and graft

Type of trauma and presentation and timing

Imaging

Treatment (T) and outcome (O)

Mithöfer et al[43] (2004)

61 and female

• Medial and lateral tibial plateau

• BPTB

• Fall

• Pain, swelling, inability to weight-bearing

•7 mo

• X-Rays

• CT

• T: minimally invasive surgery fixation

• O: mild decrease of ROM

Sundaram et al[49] (2006)

40 and female

• Tibial plateau fracture extending to the tunnel

• Hamstring

• Fall

• Pain, swelling, hemarthrosis

•12 mo

• X-Rays (not detect the fracture)

• MRI

• T: conservative with cast and knee brace

• O: mild decrease of ROM

Thaunat et al[47] (2006)

24 and male

• Tibial fixation site

• BPTB

• Fall (1 mo of high)

• Pain, inability to weight-bearing, hemarthrosis

• 4 y

• CT

• T: conservative with cast and knee brace

• O: full recovery

Voos et al[45] (2008)

43 and female

• Metaphyseal tibial fracture extending to donor site

• BPTB

• During jogging

• Pain, swelling

• 4 y

• X-Rays

• CT

• T: ORIF

• O: full recovery

Gobbi et al[10] (2016)

41 and male

• Medial tibial plateau including the tunnel

• Semitendinosous

• During soccer game

• Pain and swelling

• 4.5 y

• X-Rays

• CT

• T: ORIF

• O: full recovery

Wong and Muir[44] (2013)

25 and female

• Anteromedial corner of medial tibial plateau

Hamstring

• During rehab protocol of ACL

• Pain, swelling, inability to weight-bearing

• 3 wk

• X-Rays

• CT

• T: no weight-bearing

• O: full recovery

De Oliveira Carneiro et al[46] (2015)

17 and male

• Metaphyseal tibial fracture comprising ATT

• BPTB

• Twist of the knee and fall

• Pain and inability to weight-bearing

• 4 mon

• X-Rays

• T: ORIF

• O: full recovery

Yoon et al[48] (2015)

21 and male

• Medial condylar fracture through the tibial tunnel

• Hamstring

• During marathon

• Pain, swelling, hemarthrosis

• 3.5 y

• X-Rays

• CT

• T: conservative with cast and brace

• O: full recovery

Brown et al[58] (2016)

45 and male

• Fracture and avulsion of ATT

• BPTB

• During rehab protocol of ACL

• Pain of anterior region and flexed knee, reduction of ROM

• 2 wk

• X-Rays

• CT

• T: ORIF with screw

• O: full recovery

Abbreviations: ACL, anterior cruciate ligament; ACL-R, ACL-reconstruction; ATT, anterior tibial tuberosity; BPTB, bone patellar tendon bone; CT, computerized tomography; MRI, magnetic resonance imaging; ORIF, open reduction and internal fixation; ROM, range of motion.



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Femoral Fracture

Femoral fracture following ACL-R is a rare but devastating complication and it was mostly due to technical errors or to the creation of additional bone holes for supplemental fixation devices. Different authors described a decreased bone mineral density up to 20% following knee ligament injury that may be involved in the development of femoral fractures during or after ACL-R.[59] In most of the case reports of femoral fracture after ACL-R, an extra-articular fixation with a 6.5 mm screw,[60] staple,[61] cross-pin,[62] [63] [64] [65] or additional removal of a 6.5 mm transverse cancellous screw[66] were related to this complication. Other authors reported multiple cortical passes with the guide pin[67] [68] or drilling for screw placement[60] as possible risk factor associated for fracture development. Furthermore, tunnel malpositioning with posterior wall blow-out,[69] vertical tunnel placement,[68] [69] [70] tunnel widening,[71] and the presence of multiple femoral tunnels in revision ACL-R[72] are other possible factors related to femoral fractures. Some authors suggested an increased risk for fracture with femoral tunnel greater than 10 mm of diameter.[61] Han et al in their biomechanical study evaluated the possible role of the femoral tunnel as potential stress riser associated with fractures, comparing the risk for fracture between single bundle (SB) and double bundle (DB) techniques. The authors concluded that an anatomic independently drilled single bundle femoral tunnel, whether a BPTB or hamstring graft is used, is not a stress riser for femoral fracture. In their experimental model, there was a significant difference in load to failure in the DB group compared with the SB group. Furthermore, the fracture patterns of the DB group always occurred through both femoral tunnels at the notch, whereas the SB groups had similar fracture patterns throughout the lateral cortex and not always involving the femoral tunnel.[59] Although the incidence of femoral fracture due to ACL-R is unknown, it is suspected to be extremely low.[73] There were 13 case reports of femoral fractures after ACL-R in literature including 14 patients. Four papers were excluded because of additional surgical procedure (i.e., lateral tenodesis or multiple ligament reconstruction),[42] [60] high energy trauma related to the fracture[53] or because complete data for analysis were not available.[63] In the remaining studies, the fractures occurred in a period ranging from 2 months to 7 years, with one intra-operative fracture.[74] The case described by Dowen et al deserves an aside discussion. The fracture occurred 7 years after ACL-R on a tumor mass located in the femoral tunnel. The pathological fracture was related to a lytic lesion causing a femoral tunnel enlargement. The mass biopsy confirmed the diagnosis of bone giant cell tumor. The treatment included wide mass debridement, screw removal, and defect filling with polymethyl methacrylate bone cement. Open reduction and internal fixation was then performed to stabilize the fracture.[75] Different grafts were used in the other case reports: gore-tex graft was used in one case,[70] BPTB graft was chosen in four cases,[29] [68] [69] [71] and hamstring graft was used in the remaining cases.[61] [62] [64] [66] [67] [75] [76] In most of the cases the fracture was due to a low energy trauma, such as knee twisting[64] [70] [71] [76] and light fall.[29] [61] [69] In four cases a stress fracture was described.[62] [66] [68] In the last report, the fracture was due to an over-reaming of a previous tunnel in a revision ACL-R. The stress of the reamer to enlarge the previous tunnel caused a coronal fracture in the lateral condyle. The treatment was planned in two stages: first the fracture was treated, then once it was healed, the ACL-R revision was performed.[74] Clinical presentation was similar in all the cases, with pain and impossible weight-bearing on the affected knee. In all the cases X-Rays and CT scans were performed. Two cases were treated conservatively with complete recovery.[62] Surgical treatment was performed in the remaining cases, with different strategies for fixation, depending on the fracture morphology. Internal fixation with intramedullary nail was performed in three cases with one good outcome,[71] one case of postoperative ROM reduction[68] and one case of mild instability.[66] Four cases were treated with screws with complete recovery[29] [61] [64]. In one case there was a fracture displacement 3 months after screws fixation. A second surgical procedure was performed and the fracture was treated using bone grafting and refixation. Despite this second surgery, the presence of a persistent nonunion required a third surgical procedure and the fracture was fixed with a plate. The fracture eventually healed, the knee was stable but the patient complained about a loss of ROM.[69] In the remaining cases open reduction and internal fixation with plate and screws was performed with good outcomes.[67] [70] [74] [76] [Table 3] summarized the case reports previously described.

Table 3

Summary of case reports describing tibial fracture after ACL-R

Authors

Age (y) and gender

Graft/procedure

Timing

Type of trauma and fracture

Treatment (T) and outcome (O)

Ternes et al[70]

(1993)

19 and female

• Gore-tex graft

• ACL revision

8 weeks

• Twist of the knee

• Supracondylar femur fracture into diaphyseal hole

• T: remove of fixation system and ORIF with plate

• O: not reported

Berg[69] (1994)

38 and female

• BPTB

2 months

• Fall

• Displaced coronal fracture of posterior half of the lateral

• Femoral condyle

• T: multiple lag screws

• O: displaced of the fracture at 3 months. Iliac crest graft and re-fixation. Persistent non-union: ORIF with plate. Stable knee but reduction of ROM

Wiener and Siliski[68]

(1996)

38 and male

• BPTB

7 months

• Dull tight pain during weight-bearing

• Oblique stress fracture at the junction of the distal shaft and metaphysis.

• T: intramedullary femoral rod was inserted into the femur

• O: ROM 8–100°, No instability

Manktelow et al[61] (1998)

26 and male

• Hamstring

2 years

• Fall

• Lateral condylar fracture

 T: Screws

 O: Full recovery

Radler et al[66]

(2000)

43 and female

• Over the top

• LAD-fixating cancellous screws for fixation

25 months

• Fall

• Supracondylar and condylar femoral stress fracture (through the screw hole)

• T: retrograde intramedullary nail

• O: mild instability and decrease ROM in flexion

Wilson et al[29] (2004)

30 and male

• BPTB

8 months

• Fall with pain, knee effusion, antalgic gait

• Displaced intra-articular fracture of the lateral condyle through the femoral tunnel

• T: fixed with two screws

• O: full ROM, but not returned to sport

Arriaza et al[62] (2006)

23 and male

20 and female

• Hamstring

• Absorbable screw for femoral fixation

   

• Hamstring

• Absorbable screw for femoral fixation

6 months

 4 months

• Pain in the medial side of the knee during jump and run

• Stress fracture of medial condyle

• Pain in the medial side of the knee during jump and run

• Stress fracture of medial condyle

• T: conservative treatment

• O: full recovery

• T: conservative treatment

• O: full recovery

Sheps et al[67] (2006)

22 and male

• Hamstring

5 months

• No trauma.

• Supracondylar fracture through the femoral tunnel, with Endo-button displaced

• T: open reduction and internal fixation with a 4.5 mm locking condylar plate

• O: full recovery

Thangamani et al[71] (2009)

41 and female

• BPTB

18 months

• Twist the knee, pain and unable to walk

• T-condylar distal femur fracture with spiral extension up the distal third of the femoral shaft

• T: retrograde IM nail and percutaneous lag screw

• O: full recovery

Julien et al[64] (2010)

29 and male

• Hamstring

• Twist the knee with pain, effusion and limited ROM

• Fracture of lateral

• Condyle of the femur through the tunnel

• T: fixation with screws, cross-pin not removed

• O: not regained preinjury activity level

Dowen et al[75] (2013)

25 and male

• Hamstring

7 years

• Patellar dislocation, incapacity to weight-bearing

• Pathological femoral fracture of lateral condyle

• T: biopsy: giant cell tumor. Curettage of the tumor, high-speed burring, argon beam diathermy, removing the screw and insertion of polymethylmethacrylate bone cement.

• ORIF with a plate and screws

• O: ROM 0–110degrees, return to low-impact sport.

Keyhani et al[74] (2015)

35 and male

• Not note

• Revision procedure using the previous tunnel

Intraoperative

• Over-reamed the previous femoral tunnel

• Coronal plane fracture of the lateral femoral condyle

• T: two stages:

 ORIF with screws and graft the tunnel with cancellous bone

 Revision of ACL and remove the screws

• O: not note the recovery

Heng et al[76]

(2015)

35 and male

• Hamstring

• Double-bundle

5 months

• Twist and fall

• Pain, unable of walking

• Distal femoral fracture with spiral extension proximally interesting the two femoral tunnels.

• T: MIPO using plate

• O: full recovery

Abbreviations: ACL, Anterior Cruciate Ligament; ATT, Anterior Tibial Tuberosity; BPTB, Bone Patellar Tendon Bone; CT, Computerized Tomography; IM, Intramedullary; MIPO, Minimal Invasive Plate Osteosynthesis; MRI, Magnetic Resonance Imaging; ORIF, Open Reduction and Internal Fixation; ROM, Range Of Motion.



#
#

Uncommon Infections

Septic arthritis after ACL-R is a relatively rare but serious complication, associated to high rate of reoperations, need for prolonged antibiotic therapy, graft removal, and delayed ACL-R revision. The rate of infection after ACL-R reported in the literature ranges between 0.4 and 1.7%.[11] [14] [15] [77] [78] Many different microorganisms were isolated from synovial fluid of septic arthritis, such as Staphylococcus aureus, coagulase-negative Staphylococcus, Propionibacter acnes, Enterobacter, Enterococcus, Pseudomonas aeruginosa, Escherichia coli, Klebsiella and Methicillin-resistant Staphylococcus aureus (MRSA).[77]

Despite these bacteria are the most commonly involved in septic arthritis after ACL-R, there are few case reports describing uncommon pathogens related to ACL-R infection. Mei-Dan et al described an infection caused by Staphylococcus lugdunensis 4 days after an ACL-R performed with a BPTB graft,[79] while of O'Neill reported a case of osteomyelitis due to a Staphylococcus capitis 4 years after an ACL-R performed with hamstring autograft.[80] Both pathogens were isolated from synovial fluid culture and the blood tests were suggestive for infection. The patient affected by S. capitis infection was treated with antibiotic therapy alone,[80] while the other patient underwent also an arthroscopic lavage.[79] Good outcomes with infection eradication were obtained in both the cases[79] [80].

Tubercular joint infection after ACL-R is considered a rare complication in Europe and the U.S.A. However, in an Indian hospital, Nag et al found that 0.69% (8 cases out of 26 septic arthritis) of infections after ACL-R were related to Mycobacterium tuberculosis (MTB).[81] Diagnostic criteria for septic arthritis due to MTB are: (1) positive stain for acid-fast bacilli (AFB) on joint samples, (2) a positive culture on Löwenstein–Jensen medium, (3) epithelioid granuloma with or without central caseation and Langhans-type giant cells at the histologic analysis, and (4) positive polymerase chain reaction (PCR) for MPT64 gene of MTB.[82] Hamstring autograft was used in 7 patients and BPTB autograft in the last one. Four patients had a subacute onset, whereas other four had a late onset. All the patients complained about swelling, whereas warmth was present in 3 cases, low-grade fever in two and pain in the remaining two cases.[81] Furthermore, an isolated case of MTB infection was described by Oh et al in a 15 years-old girl who underwent ACL-R with autologous hamstring. She developed a wound dehiscence with yellow exudates and ROM reduction, 3 months after surgery.[83] In all these cases, blood tests and joint aspiration were performed. Increased erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP) were found in the eight cases from Nag et al,[81] while normal blood tests resulted in the case described by Oh et al.[83] However, in all the cases white blood cell (WBC) count was normal. In the cases described by Nag et al, joint fluid aspiration was turbid with an elevated WBC count but did not show any organism with Gram's stain. All patients underwent arthroscopic debridement and lavage: partial synovectomy was performed and tissue samples were collected and sent for cultures, including specific MTB tests. Cultures were positive for MTB in three patients. Histopathology showed the presence of typical epithelioid tissue in seven cases. AFB was seen in two biopsy specimens. DNA–PCR was performed in six cases and in all the cases it was positive for MTB. All the patients were treated for MTB with good outcomes and complete recovery.[81] In the case described by Oh et al, the patient underwent three arthroscopic irrigation and debridement without any success. During the last arthroscopy the fixation screw was removed and sent for both pyogenic and MTB organism cultures. The test showed a massive growth of Mycobacterium fortuitum. Patient begun immediately appropriate pharmacological treatment with complete recovery.[83]

Fungal infection after ACL-R is a rare but devastating complication with severe bone loss mostly due to delayed diagnosis. three case reports of fungal infection after ACL-R are described in literature. Mirzatolooei reported seven patients in which the fungal infection was probably related to a mistake during equipment sterilization and three cases were ACL-R infected by Alternaria.[84] Muscolo et al described six cases with mycotic infection after primary ACL-R, five cases were positive for Rhizopus microsporus and one case for Candida albicans.[85] Furthermore, Sun et al described a single case of Aspergillus infection after ACL-R.[86] In all these cases the symptoms begun 2 to 3 weeks after ACL-R and the clinical presentation were similar with fever, pain, and swelling. In all the cases blood tests as well as joint aspiration were performed. WBCs, ESR, and CRP were increased, the synovial fluid was turbid as in presence of an acute septic arthritis with increased WBCs count and polymorphonuclear neutrophils percentage. All the cultures were negative for bacterial. Systemic antibiotic was promptly begun in all the cases suspecting a low virulence bacterial infection. Serial X-rays and MRI showed cartilage destruction and destructive arthritis in all the cases.[84] [85] [86] Most of the patients did not respond to the antibiotic treatment. In the first patient, Mirzatolooei performed an arthroscopic irrigation and debridement, followed by an open approach to perform wide debridement and fixation device removal. The device was sent for cultures, including fungi, and it resulted positive for Alternaria; antifungal therapy was begun immediately, with infection eradication but ROM reduction. The second and the third patients had the same clinical presentation of the first one, with a faster diagnosis and treatment, resulting in better outcomes.[84] All the cases described by Muscolo et al underwent a surgical treatment, with a medial para-patellar approach, wide synovectomy, graft and implant removal, curettage, and massive bone resection due to severe bone necrosis involving the distal femur or the proximal tibia med. In some patient, a temporary cement spacer was used to maintain the joint space. In one patient an arthrodesis with intercalary allograft and intramedullary nail was required because of the massive bone losses and extensor apparatus damage.[85] In the cases described by Sun et al, an empirical antibiotic treatment was initially begun because the not-fungal specific cultures resulted negative. The patient underwent arthroscopic irrigation and debridement twice, and the last time a total synovectomy, as well as graft and implant removal was performed. Patients' symptoms did not resolve, so the authors performed an open debridement and tissue samples were sent to three different laboratories, with a positive result for Aspergillus. Antifungal therapy had begun immediately with infection eradication. However, due to the massive bone disruption, the patients underwent one more surgery, with bone transport and arthrodesis with Ilizarov's.[86] In conclusion, fungal infections are rare but devastating complications after ACL-R. The massive bone loss due to late diagnosis often required radical treatment in young patient. [Table 4] summarized these case reports in detail.

Table 4

Summary of case reports describing rare infection after ACL-R

Authors

Pathogen and timing

Graft

Clinical presentation

Laboratory. analysis and diagnosis

Treatment (T) and outcome (O)

Mei-Dan et al[79]

(2008)

Staphylococcus lugdunensisand 4 d

BPTB allograft (revision)

Fever, local warm, edema, and tenderness

• Blood: ERS, CRP, and WBCs

• Synovial fluid: 35,000 of WBCs

• Cultural of SF: increase in WBCs

• T: antibiotic IV and arthroscopic lavage

• O: graft intact and full recovery

Muscolo et al[85] (2009)

Rhizopus microsporus in five cases,Candida albicans in one case, and median of 14 (10–17) d

BPTB in one case, hamstring in five cases

Pain and severe reduction of ROM

• X-rays, CT, and MRI: bone loss and necrosis

• Aerobic, anaerobic, mycobacterial, and fungal cultures were obtained from joint fluid, synovial lining, ACL graft and bone

• Histopathologic analysis: chronic inflammation, bone necrosis, and the presence of non-septate hyphae in all patients.

• T: open debridement synovectomy, removal of implants and graft, curettage, and massive bone resection resulting from severe bone necrosis. Cement spacer in all patient. Antibiotic therapy based on vancomycin and rifampicin immediately after surgery.

• In four cases massive resection of metaepiphyseal bone: three-fourth only one preserved articular surface allograft-prosthesis composite

• One-fourth massive bone loss and lesion extensor mechanism of knee, arthrodesis stabilized with intramedullary nail

• In two cases curettage and articular surface was preserved

Nag et al[81]

(2009)

8 cases

MTB, four subacute onsets (5–9 d), four late onsets (15–27 d)

BPTB in 1 case, hamstring in 7 cases

Swelling, fever in two cases, pain in two cases, warmth in three cases

•Blood: ERS, CRP, and WBCs normal

• SF: WBCs

• Culture of SF: increase in WBCs

• Culture of synovial tissue for MTB: + in three cases

• Histological exam of synovial tissue: epithelioid cells in seven cases

• DNA–PCR: + in six cases

• T: arthroscopic debridement and lavage and Antitubercular therapy

• O: graft tension normal in all cases

Oh et al[83]

(2010)

Mycobacterium fortuitum and 3 mo

Hamstring autologous

Area of dehiscence distally with yellow exudate at the tibia

• Blood: WBCs, ERS, and CRP −

• Culture of intraoperative sample: − (not specific for MTB)

• Culture of fixation device (specific for MTB): +

• T: empirical antibiotic therapy

• Three arthroscopies Anti-tubercular therapy

• O: full recovery

Sun et al[86]

(2012)

Aspergillus and 18 d

Hamstring autologous

Swelling, persistent fever

• Blood: WBCs, ERS, and CRP

• Culture of SF: −

• MRI: intra-articular effusion, edema of bone marrow around the femoral bone tunnel

• CT: bone destruction in the distal femur, circular bone defect, texture disorder of trabecular bone, and soft-tissue swelling

• Histological exam and cultural of tissue of synovia (during open debridement) sent to three laboratories: + for Aspergillus

• T: empirical antibiotic therapy

• Arthroscopy irrigation and debridement. Second arthroscopy with total synovectomy, removal of the graft and implants, and irrigation–suction drainage tubes into the bone tunnels and intra-articularly Serial open debridement

• Bone transport and arthrodesis with Ilizarov's

Mirzatolooei[84]

(2014)

3 cases

Alternaria (Pleosporaceae species) and 2–3 weeks

Fever, pain, and ROM reduction

• Blood: WBCs, ERS, and CRP normal

• SF: WBC with 90% of PMNs

• Cultural of SF: −

• X-ray: cartilage destroyed (in the first case)

• MRI: destructive arthritis (in the first case)

• Cultural of fixation device: +

• T: serial arthroscopy joint, antibiotic IV, arthrotomy for remove fixation device. Antifungal IV.

• O: reduction of ROM in the first and second case, flexion contracture in first case. Full recovery in the others.

O'Neill et al[80]

(2013)

Staphylococcus capitis and 6 y

Hamstring autograft

Tender lump at the scar of graft harvesting and tibial tunnel placement

• Blood: WBCs, ERS, and CRP −

• X-rays: −

• MRI: enhancing soft tissue inflammatory mass with a central small pocket of fluid

• Cultural test on tissue from exploration of tibial tunnel: +

• T: antibiotic IV

• O: full recovery

Abbreviations: −, negative; +, positive; ACL, anterior cruciate ligament; ACL-R, ACL-reconstruction; B(P)TB, bone (patellar) tendon bone; CRP, C reactive protein; CT, computerized tomography;DNA, deoxyribonucleic acid; ESR, erythrocyte sedimentation rate; IV, intra venus; MRI, magnetic resonance imaging; MTB, Mycobacterium tubercolosis; PCR, polymerase chain reaction; PMNs, polymorphonuclear neutrophils; ROM, range of motion; SF, sinovial fluid; WBCs, white blood cells.



#

Rare Vascular Injuries

Vascular injuries associated with ACL-R are very rare and account for less than 1% of all the complications.[87] [88] Injuries to the popliteal artery are more common during posterior cruciate ligament (PCL) reconstruction compared with ACL-R.[89] However, some minor vessels, such as the geniculate arteries, can also be injured during an ACL-R. There are three case reports in literature describing uncommon vessels injuries during ACL-R. Tsubosaka et al described a case of a pseudo-aneurysm of the articular branch of the descending genicular artery after a double-bundle ACL-R in an 18-year-old male. Two days after surgery, the patient presented with a pulsing mass on the medial side of the knee. Popliteal and dorsal artery pulses were normal. Due to the unusual presentation of the pulsatile mass, CT angiography was performed and showed a pseudo-aneurysm of the articular branch of the descending genicular artery. The pseudo-aneurysm was embolized and the patient completely recovered.[90] Lamo-Espinosa et al reported the case of a 27-year-old male who underwent a single-bundle ACL-R with a BPTB allograft. The day after surgery, the patient presented an active pulsatile bleeding and knee swelling. Arthrocentesis showed haemarthrosis and 60 cc of blood were extracted. Because of the bleeding, patient was referred to endovascular treatment, including an arteriography via the left common femoral artery. After contrast injection, the injury of the inferior lateral genicular (ILG) artery was localized and selectively embolized.[91] The authors attributed the ILG artery damage to the anterior horn partial meniscectomy of the lateral meniscus because it required passing the shaver close to the synovial capsule and to the ILG.[91]

Kim et al described case of a 31-year-old male who underwent arthroscopic anatomic single-bundle ACL-R. On the day 1 after surgery, the patient complained about pain around his left ankle without motor or sensory deficits. The pulses were palpable in the lower leg. Authors prescribed nonsteroidal anti-inflammatory drugs in the suspicion of an inflammatory process. The day after, the patient complained a small sensory deficit on the dorsal aspect of the foot, without any vascular deficit or pain increase at rest or during passive muscular stretching. After 2 days, the patient presented with a severe edema and pain exacerbation in the ipsilateral lower leg. An angiography was performed showing a thrombosis of both the left popliteal and anterior tibial arteries. The screw tip seemed to be close to the occlusion site in both the arteries. Postoperative X-rays showed that the position of the tibial tunnel was good but the screw was too long and its direction was too posterior. The diagnosis was a compartment syndrome due to direct drilling injury to the anterior tibial artery and a fasciotomy was immediately performed for decompression. The pain was resolved but a debridement and excision of the necrotic extensor hallucis longus, extensor digitorum longus, and anterior tibialis muscles was required 9 days after ACL-R.[92]


#

Nerve Injuries

During ACL-R, iatrogenic injuries to the infrapatellar braches of the saphenous nerve are not uncommon,[93] and some authors described a reduction in their incidence if an oblique skin incision instead a vertical incision is performed for hamstring graft harvesting.[94] Injuries to the saphenous nerve,[95] [96] the sciatic nerve,[97] and the common peroneal nerve are less common in ACL-R surgeries.[98] [99] Five case reports are described in literature reporting about rare nerve injuries in ACL-R.[95] [96] [97] [98] [99] One case report was excluded from the analysis because full data were not available.[95] In one case, a BPTB graft was used,[99] while in the other patients hamstring autografts were chosen.[96] [97] [98] In all the cases, the symptoms begun immediately with sensory deficit in the medial side of the leg in case of saphenous nerve damage,[96] in the lateral side of calf muscles and dorsal foot in association to loss of function if the common peroneal nerve was involved[98] [99] or complete sensory and motor deficit of the leg if the sciatic nerve was involved.[97] In case of saphenous nerve damage, the diagnosis was done with the clinical evaluation.[96] When a neuropathy of the common peroneal or sciatic nerve was suspected, an MRI and electromyography were performed to evaluate the level and entity of the injury.[97] [98] In the case described by Papoutsidakis et al of peroneal nerve damage, the injury was due to a too long tibial screw that was directed toward the fibular neck; this is the only case in which iatrogenic cause of the injury was described. The screw was removed and the patient recovered.[99] In the cases described by Vardi[97] and Balkey and Biant, the injury was probably related to the direction of the tendon stripper during hamstring harvesting.[97] [98] Nerve revision was performed in three cases. In two cases, the damaged nerve was explored and debrided, one patient was fully recovered[97] and the other one complained about persisting sensory deficit.[96] In one case, peroneal nerve damage was repaired using a sural nerve graft but the patient still complained about loss of strength, loss of activity, and sensory deficit.[98]


#

Other Rare Complications

Myositis ossificans (MO) is as a rare complication after knee surgeries. It is a benign process characterized by heterotopic ossification usually related to muscular trauma, such as contusion or strain.[100] MO etiology is still unclear and different theories have been proposed: transformation of intramuscular hematoma into bone, hematoma calcification, intramuscular bone formation from a detached periosteal flap, osteoblast proliferation from periosteal rupture, and metaplasia of intramuscular connective tissue cells.[101] Yamagami et al described a case of 27-year-old woman who underwent arthroscopic anatomical double-bundle ACL-R with hamstring using a three-dimensional (3D) fluoroscopy-based navigation system (StealthStation TRIA plus; Medtronic, Louisville, CO, U.S.A.) to create the femoral tunnel. Seven weeks after surgery the patient complained about the presence of a solid mass at the distal femur. X-rays and CT scans showed a heterotopic ossification localized at the drill hole performed for reference frame placement. An MRI showed a fluid effusion around the mass. Patient was substantially asymptomatic for pain and loss of function; the rehabilitation program was continued and the patient returned to daily activities without complications.[102]

Another rare complication after ACL-R is pigmented villonodular synovitis (PVNS) development. Rajani et al described the case of a 42-year-old woman with a previous ACL-R (16 years before), who began complaining pain and swelling in the same knee. The clinical examination revealed positive Lachman and anterior drawer test, with a palpable effusion. X-rays showed a radiolucent lesion suggestive for an aggressive process and MRI revealed diffuse PVNS extending along the ACL graft and causing bone loss within the tunnels. An arthroscopic biopsy of the synovium confirmed the diagnosis. The patient underwent a complete synovectomy, and the tibial and femoral bone defects were treated with cancellous bone chips.[103]


#

Discussion

ACL-R is a very common orthopedic procedure[1] with good outcomes but a complication rate ranging from 1 to 15%.[6] Some relatively common complications are DVT, stiffness, complication related to graft harvesting, and common bacterial infection. However, there are different case reports in literature describing uncommon complications after ACL-R, such as rupture or migration of fixation device, tibial o femoral fractures, uncommon infections (unusual bacterial, mycobacterium, or fungal infection), rare vascular or nerve injuries, and other rare complications (MO and PVNS).

Despite fixation device, such as interference screws and cross-pins are commonly used in ACL-R, surgeons should know that a rupture or migration of the screw is possible, even months after the ACL-R. In these cases, patients may complain about pain, mechanical symptoms, or effusion. Tibial and femoral fractures are rarer compared with patellar fracture in ACL-R. However, they may occur for low energy trauma also months after the ACL-R due to the bone weakness related to the tunnel and a surgical treatment may be required. Different rare infections after ACL-R are described in literature with uncommon clinical presentation and difficult diagnosis. Fungal infections are often misdiagnosed because the patient is young and healthy but late diagnosis can cause dramatic joint disruption. Major vessels injuries are rare after ACL-R but different authors described injuries to minor vessels, such as geniculate arteries, presenting with pulsating masses and treated with selective embolism. Damages to the infrapatellar branch of the saphenous nerve are not uncommon after ACL-R. However, some authors also described few cases with saphenous, common peroneal or sciatic nerve injury associated to ACL-R with potential severe consequences for the patients. Some authors also reported some cases of MO and PVNS after ACL-R.

In conclusion, ACL-R is a pretty common procedure, but surgeons should be aware about common but also rare complications and how to avoid, diagnose, and treat them.


#
#

Conflict of Interest

R.R. is a teaching consultant for Zimmer Biomet and Smith and Nephew. All the other authors report no conflict of interest.

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  • 56 Thietje R, Faschingbauer M, Nürnberg HJ. [Spontaneous fracture of the tibia after replacement of the anterior cruciate ligament with absorbable interference screws. A case report and review of the literature]. Unfallchirurg 2000; 103 (07) 594-596
  • 57 Morgan E, Steensen RN. Traumatic proximal tibial fracture following anterior cruciate ligament reconstruction. Am J Knee Surg 1998; 11 (03) 193-194
  • 58 Brown MJ, Bisson LJ, Anders MJ. Tibial tubercle fracture after bone-patellar tendon-bone autograft. Am J Orthop 2016; 45 (07) E469-E471
  • 59 Han Y, Sardar Z, McGrail S, Steffen T, Martineau PA. Peri-anterior cruciate ligament reconstruction femur fracture: a biomechanical analysis of the femoral tunnel as a stress riser. Knee Surg Sports Traumatol Arthrosc 2011; 19 (Suppl (Suppl. 01) S77-S85
  • 60 Noah J, Sherman OH, Roberts C. Fracture of the supracondylar femur after anterior cruciate ligament reconstruction using patellar tendon and iliotibial band tenodesis. A case report. Am J Sports Med 1992; 20 (05) 615-618
  • 61 Manktelow AR, Haddad FS, Goddard NJ. Late lateral femoral condyle fracture after anterior cruciate ligament reconstruction. A case report. Am J Sports Med 1998; 26 (04) 587-590
  • 62 Arriaza R, Señaris J, Couceiro G, Aizpurua J. Stress fractures of the femur after ACL reconstruction with transfemoral fixation. Knee Surg Sports Traumatol Arthrosc 2006; 14 (11) 1148-1150
  • 63 Jayadev C, Kochhar T, Back DL, Ratnakumar K. Supracondylar femoral fracture after anterior cruciate ligament reconstruction with transfemoral fixation. J Knee Surg 2009; 22 (04) 364-366
  • 64 Julien TP, Ramappa AJ, Rodriguez EK. Femoral condylar fracture through a femoral tunnel eleven years after anterior cruciate ligament reconstruction: a case report. J Bone Joint Surg Am 2010; 92 (04) 963-967
  • 65 Montgomery CO, Evans RP. Arthroscopic reduction and internal fixation of a medial femoral condylar fracture after anterior cruciate ligament reconstruction. A case report. J Bone Joint Surg Am 2008; 90 (04) 863-868
  • 66 Radler C, Wozasek GE, Seitz H, Vécsei V. Distal femoral fracture through the screw hole of a ligament augmentation device fixation. Arthroscopy 2000; 16 (07) 737-739
  • 67 Sheps DM, Reed JG, Hildebrand KA, Hiemstra LA. Supracondylar femur fracture after endoscopic anterior cruciate reconstruction using an EndoButton. Clin J Sport Med 2006; 16 (05) 428-429
  • 68 Wiener DF, Siliski JM. Distal femoral shaft fracture: a complication of endoscopic anterior cruciate ligament reconstruction. A case report. Am J Sports Med 1996; 24 (02) 244-247
  • 69 Berg EE. Lateral femoral condyle fracture after endoscopic anterior cruciate ligament reconstruction. Arthroscopy 1994; 10 (06) 693-695
  • 70 Ternes JP, Blasier RB, Alexander AH. Fracture of the femur after anterior cruciate ligament reconstruction with a GORE-TEX prosthetic graft. A case report. Am J Sports Med 1993; 21 (01) 147-149
  • 71 Thangamani VB, Flanigan DC, Merk BR. Intra-articular distal femur fracture extending from an expanded femoral tunnel in an anterior cruciate ligament (ACL) reconstructed knee: a case report. J Trauma 2009; 67 (06) E209-E212
  • 72 Coobs BR, Spiridonov SI, LaPrade RF. Intra-articular lateral femoral condyle fracture following an ACL revision reconstruction. Knee Surg Sports Traumatol Arthrosc 2010; 18 (09) 1290-1293
  • 73 Stein DA, Hunt SA, Rosen JE, Sherman OH. The incidence and outcome of patella fractures after anterior cruciate ligament reconstruction. Arthroscopy 2002; 18 (06) 578-583
  • 74 Keyhani S, Vaziri AS, Shafiei H, Mardani-Kivi M. Femoral condyle fracture during revision of anterior cruciate ligament reconstruction: case report and a review of literature. Arch Bone Jt Surg 2015; 3 (02) 137-140
  • 75 Dowen D, Kakkar R, Dildey P, Gerrand C. Pain and fracture after anterior cruciate ligament reconstruction caused by giant cell tumour of the distal femur. BMJ Case Rep 2013; 2013 . Doi: 10.1136/bcr-2013-010422
  • 76 Heng CH, Wang BdeH, Chang PC. Distal femoral fracture after double-bundle anterior cruciate ligament reconstruction surgery. Am J Sports Med 2015; 43 (04) 953-956
  • 77 Stucken C, Garras DN, Shaner JL, Cohen SB. Infections in anterior cruciate ligament reconstruction. Sports Health 2013; 5 (06) 553-557
  • 78 Maletis GB, Inacio MC, Reynolds S, Desmond JL, Maletis MM, Funahashi TT. Incidence of postoperative anterior cruciate ligament reconstruction infections: graft choice makes a difference. Am J Sports Med 2013; 41 (08) 1780-1785
  • 79 Mei-Dan O, Mann G, Steinbacher G, Ballester SJ, Cugat RB, Alvarez PD. Septic arthritis with Staphylococcus lugdunensis following arthroscopic ACL revision with BPTB allograft. Knee Surg Sports Traumatol Arthrosc 2008; 16 (01) 15-18
  • 80 O'Neill BJ, Molloy AP, McCarthy T. Osteomyelitis of the tibia following anterior cruciate ligament reconstruction. Int J Surg Case Rep 2013; 4 (02) 143-145
  • 81 Nag HL, Neogi DS, Nataraj AR, Kumar VA, Yadav CS, Singh U. Tubercular infection after arthroscopic anterior cruciate ligament reconstruction. Arthroscopy 2009; 25 (02) 131-136
  • 82 Park DY, Kim JY, Choi KU. , et al. Comparison of polymerase chain reaction with histopathologic features for diagnosis of tuberculosis in formalin-fixed, paraffin-embedded histologic specimens. Arch Pathol Lab Med 2003; 127 (03) 326-330
  • 83 Oh HL, Chen DB, Seeto BG, Macdessi SJ. Mycobacterium fortuitum infection after anterior cruciate ligament reconstruction using a polylactic acid bioabsorbable screw: Case report. Knee 2010; 17 (02) 176-178
  • 84 Mirzatolooei F. Outbreak of serial knee joint sepsis after arthroscopic surgery: a case series with the guideline for treatment. Acta Med Iran 2014; 52 (04) 310-314
  • 85 Muscolo DL, Carbo L, Aponte-Tinao LA, Ayerza MA, Makino A. Massive bone loss from fungal infection after anterior cruciate ligament arthroscopic reconstruction. Clin Orthop Relat Res 2009; 467 (09) 2420-2425
  • 86 Sun L, Zhang L, Wang K, Wang W, Tian M. Fungal osteomyelitis after arthroscopic anterior cruciate ligament reconstruction: a case report with review of the literature. Knee 2012; 19 (05) 728-731
  • 87 Rossi R, Bonasia DE, Blonna D, Assom M, Castoldi F. Prospective follow-up of a simple arthroscopic-assisted technique for lateral tibial plateau fractures: results at 5 years. Knee 2008; 15 (05) 378-383
  • 88 Sadat U, Naik J, Verma P. , et al. Endovascular management of pseudoaneurysms following lower limb orthopedic surgery. Am J Orthop 2008; 37 (05) E99-E102
  • 89 Zawodny SR, Miller MD. Complications of posterior cruciate ligament surgery. Sports Med Arthrosc Rev 2010; 18 (04) 269-274
  • 90 Tsubosaka M, Matsushita T, Kuroda R, Matsumoto T, Kurosaka M. Pseudoaneurysm of the articular branch of the descending genicular artery following double-bundle anterior cruciate ligament reconstruction. Knee Surg Sports Traumatol Arthrosc 2017; 25 (09) 2721-2724
  • 91 Lamo-Espinosa JM, Llombart Blanco R, Valentí JR. Inferior lateral genicular artery injury during anterior cruciate ligament reconstruction surgery. Case Rep Surg 2012; 2012: 457198
  • 92 Kim SB, Lim JW, Seo JG, Ha JK. Injury to the anterior tibial artery during bicortical tibial drilling in anterior cruciate ligament reconstruction. Clin Orthop Surg 2016; 8 (01) 110-114
  • 93 Kartus J, Ejerhed L, Eriksson BI, Karlsson J. The localization of the infrapatellar nerves in the anterior knee region with special emphasis on central third patellar tendon harvest: a dissection study on cadaver and amputated specimens. Arthroscopy 1999; 15 (06) 577-586
  • 94 Papastergiou SG, Voulgaropoulos H, Mikalef P, Ziogas E, Pappis G, Giannakopoulos I. Injuries to the infrapatellar branch(es) of the saphenous nerve in anterior cruciate ligament reconstruction with four-strand hamstring tendon autograft: vertical versus horizontal incision for harvest. Knee Surg Sports Traumatol Arthrosc 2006; 14 (08) 789-793
  • 95 Nelissen E, van Arkel ER, Hazelbag HM. Traumatic neuroma of the infrapatellar branch of the saphenous nerve after hamstring harvesting. J Knee Surg 2010; 23 (04) 233-236
  • 96 Bertram C, Porsch M, Hackenbroch MH, Terhaag D. Saphenous neuralgia after arthroscopically assisted anterior cruciate ligament reconstruction with a semitendinosus and gracilis tendon graft. Arthroscopy 2000; 16 (07) 763-766
  • 97 Vardi G. Sciatic nerve injury following hamstring harvest. Knee 2004; 11 (01) 37-39
  • 98 Blakey CM, Biant LC. Transection of the common peroneal nerve during harvesting of tendons for anterior cruciate ligament reconstruction. A case report. J Bone Joint Surg Am 2008; 90 (07) 1567-1569
  • 99 Papoutsidakis A, Drosos GI, Koukou OI, Piskopakis N, Verettas DA. Peroneal nerve damage by bicortical tibial screw in ACL reconstruction. Knee Surg Sports Traumatol Arthrosc 2010; 18 (06) 794-796
  • 100 McCarthy EF, Sundaram M. Heterotopic ossification: a review. Skeletal Radiol 2005; 34 (10) 609-619
  • 101 Muir B. Myositis ossificans traumatica of the deltoid ligament in a 34 year old recreational ice hockey player with a 15 year post-trauma follow-up: a case report and review of the literature. J Can Chiropr Assoc 2010; 54 (04) 229-242
  • 102 Yamagami R, Taketomi S, Inui H, Sanada T, Nakagawa T, Tanaka S. Myositis ossificans after navigated knee surgery: a report of two cases and literature review. Knee 2016; 23 (03) 561-564
  • 103 Rajani R, Ogden L, Matthews CJ, Gibbs CP. Diffuse pigmented villonodular synovitis as a rare cause of graft failure following anterior cruciate ligament reconstruction. Orthopedics 2018; 41 (01) e142 –e144

Address for correspondence

Federica Rosso, MD
Department of Orthopaedics and Traumatology
AO Ordine Mauriziano, Largo Turati 62, 10128, Turin
Italy   

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  • 55 Anderson AW, Smith JJ. Proximal tibial fracture after patellar tendon autograft for ipsilateral ACL reconstruction. J Knee Surg 2009; 22 (02) 142-144
  • 56 Thietje R, Faschingbauer M, Nürnberg HJ. [Spontaneous fracture of the tibia after replacement of the anterior cruciate ligament with absorbable interference screws. A case report and review of the literature]. Unfallchirurg 2000; 103 (07) 594-596
  • 57 Morgan E, Steensen RN. Traumatic proximal tibial fracture following anterior cruciate ligament reconstruction. Am J Knee Surg 1998; 11 (03) 193-194
  • 58 Brown MJ, Bisson LJ, Anders MJ. Tibial tubercle fracture after bone-patellar tendon-bone autograft. Am J Orthop 2016; 45 (07) E469-E471
  • 59 Han Y, Sardar Z, McGrail S, Steffen T, Martineau PA. Peri-anterior cruciate ligament reconstruction femur fracture: a biomechanical analysis of the femoral tunnel as a stress riser. Knee Surg Sports Traumatol Arthrosc 2011; 19 (Suppl (Suppl. 01) S77-S85
  • 60 Noah J, Sherman OH, Roberts C. Fracture of the supracondylar femur after anterior cruciate ligament reconstruction using patellar tendon and iliotibial band tenodesis. A case report. Am J Sports Med 1992; 20 (05) 615-618
  • 61 Manktelow AR, Haddad FS, Goddard NJ. Late lateral femoral condyle fracture after anterior cruciate ligament reconstruction. A case report. Am J Sports Med 1998; 26 (04) 587-590
  • 62 Arriaza R, Señaris J, Couceiro G, Aizpurua J. Stress fractures of the femur after ACL reconstruction with transfemoral fixation. Knee Surg Sports Traumatol Arthrosc 2006; 14 (11) 1148-1150
  • 63 Jayadev C, Kochhar T, Back DL, Ratnakumar K. Supracondylar femoral fracture after anterior cruciate ligament reconstruction with transfemoral fixation. J Knee Surg 2009; 22 (04) 364-366
  • 64 Julien TP, Ramappa AJ, Rodriguez EK. Femoral condylar fracture through a femoral tunnel eleven years after anterior cruciate ligament reconstruction: a case report. J Bone Joint Surg Am 2010; 92 (04) 963-967
  • 65 Montgomery CO, Evans RP. Arthroscopic reduction and internal fixation of a medial femoral condylar fracture after anterior cruciate ligament reconstruction. A case report. J Bone Joint Surg Am 2008; 90 (04) 863-868
  • 66 Radler C, Wozasek GE, Seitz H, Vécsei V. Distal femoral fracture through the screw hole of a ligament augmentation device fixation. Arthroscopy 2000; 16 (07) 737-739
  • 67 Sheps DM, Reed JG, Hildebrand KA, Hiemstra LA. Supracondylar femur fracture after endoscopic anterior cruciate reconstruction using an EndoButton. Clin J Sport Med 2006; 16 (05) 428-429
  • 68 Wiener DF, Siliski JM. Distal femoral shaft fracture: a complication of endoscopic anterior cruciate ligament reconstruction. A case report. Am J Sports Med 1996; 24 (02) 244-247
  • 69 Berg EE. Lateral femoral condyle fracture after endoscopic anterior cruciate ligament reconstruction. Arthroscopy 1994; 10 (06) 693-695
  • 70 Ternes JP, Blasier RB, Alexander AH. Fracture of the femur after anterior cruciate ligament reconstruction with a GORE-TEX prosthetic graft. A case report. Am J Sports Med 1993; 21 (01) 147-149
  • 71 Thangamani VB, Flanigan DC, Merk BR. Intra-articular distal femur fracture extending from an expanded femoral tunnel in an anterior cruciate ligament (ACL) reconstructed knee: a case report. J Trauma 2009; 67 (06) E209-E212
  • 72 Coobs BR, Spiridonov SI, LaPrade RF. Intra-articular lateral femoral condyle fracture following an ACL revision reconstruction. Knee Surg Sports Traumatol Arthrosc 2010; 18 (09) 1290-1293
  • 73 Stein DA, Hunt SA, Rosen JE, Sherman OH. The incidence and outcome of patella fractures after anterior cruciate ligament reconstruction. Arthroscopy 2002; 18 (06) 578-583
  • 74 Keyhani S, Vaziri AS, Shafiei H, Mardani-Kivi M. Femoral condyle fracture during revision of anterior cruciate ligament reconstruction: case report and a review of literature. Arch Bone Jt Surg 2015; 3 (02) 137-140
  • 75 Dowen D, Kakkar R, Dildey P, Gerrand C. Pain and fracture after anterior cruciate ligament reconstruction caused by giant cell tumour of the distal femur. BMJ Case Rep 2013; 2013 . Doi: 10.1136/bcr-2013-010422
  • 76 Heng CH, Wang BdeH, Chang PC. Distal femoral fracture after double-bundle anterior cruciate ligament reconstruction surgery. Am J Sports Med 2015; 43 (04) 953-956
  • 77 Stucken C, Garras DN, Shaner JL, Cohen SB. Infections in anterior cruciate ligament reconstruction. Sports Health 2013; 5 (06) 553-557
  • 78 Maletis GB, Inacio MC, Reynolds S, Desmond JL, Maletis MM, Funahashi TT. Incidence of postoperative anterior cruciate ligament reconstruction infections: graft choice makes a difference. Am J Sports Med 2013; 41 (08) 1780-1785
  • 79 Mei-Dan O, Mann G, Steinbacher G, Ballester SJ, Cugat RB, Alvarez PD. Septic arthritis with Staphylococcus lugdunensis following arthroscopic ACL revision with BPTB allograft. Knee Surg Sports Traumatol Arthrosc 2008; 16 (01) 15-18
  • 80 O'Neill BJ, Molloy AP, McCarthy T. Osteomyelitis of the tibia following anterior cruciate ligament reconstruction. Int J Surg Case Rep 2013; 4 (02) 143-145
  • 81 Nag HL, Neogi DS, Nataraj AR, Kumar VA, Yadav CS, Singh U. Tubercular infection after arthroscopic anterior cruciate ligament reconstruction. Arthroscopy 2009; 25 (02) 131-136
  • 82 Park DY, Kim JY, Choi KU. , et al. Comparison of polymerase chain reaction with histopathologic features for diagnosis of tuberculosis in formalin-fixed, paraffin-embedded histologic specimens. Arch Pathol Lab Med 2003; 127 (03) 326-330
  • 83 Oh HL, Chen DB, Seeto BG, Macdessi SJ. Mycobacterium fortuitum infection after anterior cruciate ligament reconstruction using a polylactic acid bioabsorbable screw: Case report. Knee 2010; 17 (02) 176-178
  • 84 Mirzatolooei F. Outbreak of serial knee joint sepsis after arthroscopic surgery: a case series with the guideline for treatment. Acta Med Iran 2014; 52 (04) 310-314
  • 85 Muscolo DL, Carbo L, Aponte-Tinao LA, Ayerza MA, Makino A. Massive bone loss from fungal infection after anterior cruciate ligament arthroscopic reconstruction. Clin Orthop Relat Res 2009; 467 (09) 2420-2425
  • 86 Sun L, Zhang L, Wang K, Wang W, Tian M. Fungal osteomyelitis after arthroscopic anterior cruciate ligament reconstruction: a case report with review of the literature. Knee 2012; 19 (05) 728-731
  • 87 Rossi R, Bonasia DE, Blonna D, Assom M, Castoldi F. Prospective follow-up of a simple arthroscopic-assisted technique for lateral tibial plateau fractures: results at 5 years. Knee 2008; 15 (05) 378-383
  • 88 Sadat U, Naik J, Verma P. , et al. Endovascular management of pseudoaneurysms following lower limb orthopedic surgery. Am J Orthop 2008; 37 (05) E99-E102
  • 89 Zawodny SR, Miller MD. Complications of posterior cruciate ligament surgery. Sports Med Arthrosc Rev 2010; 18 (04) 269-274
  • 90 Tsubosaka M, Matsushita T, Kuroda R, Matsumoto T, Kurosaka M. Pseudoaneurysm of the articular branch of the descending genicular artery following double-bundle anterior cruciate ligament reconstruction. Knee Surg Sports Traumatol Arthrosc 2017; 25 (09) 2721-2724
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