CC BY-NC-ND 4.0 · Revista Iberoamericana de Cirugía de la Mano 2019; 47(01): 003-009
DOI: 10.1055/s-0039-1688972
Original Article | Artículo Original
Thieme Revinter Publicações Ltda Rio de Janeiro, Brazil

Reconstruction of Distal Radius Osteochondral Defects Using Metatarsal Autografts: a Multi-case Series

Reconstrucción de defectos osteocondrales del radio distal usando autoinjertos del metatarsiano: una serie de múltiples casos
Patrick K.Y. Goon
1   Department of Plastic Surgery and Hand Surgery, University Medical Center Utrecht, The Netherlands
,
Shirley D. Stougie
1   Department of Plastic Surgery and Hand Surgery, University Medical Center Utrecht, The Netherlands
,
Kalpesh R. Vaghela
1   Department of Plastic Surgery and Hand Surgery, University Medical Center Utrecht, The Netherlands
,
J. Henk Coert
1   Department of Plastic Surgery and Hand Surgery, University Medical Center Utrecht, The Netherlands
› Author Affiliations
Further Information

Publication History

12 March 2019

25 March 2019

Publication Date:
10 June 2019 (online)

Abstract

Objective Delayed reconstruction of the articular surface of the distal radius after trauma is a difficult problem for hand surgeons, and the common solution is usually partial or total wrist fusion, relieving pain but sacrificing motion. A relative novel reconstructive technique addresses the problem with a free microvascular osteochondral flap, using the 3rd metatarsal (3MT) bone. We investigate the possibility of using the same donor as a graft rather than a free flap.

Methods This was a prospective clinical study of patients with isolated lunate facet damage following trauma who underwent surgery to remove the damaged articular surface and in whom the defect was reconstructed with an osteochondral graft from the base of the 3MT. All of the patients were followed-up at specific time intervals, with pre- and postoutcome measures taken, including pain, grip strength, range of motion (ROM), and postoperative radiographs and computed tomography (CT) scans to evaluate graft resorption and union. Only patients with isolated distal radius defects were included.

Results The average follow-up period was of 51 months (range: 14–73 months). The results of 7 patients included an average improvement of the pain score in the visual analogue scale (VAS) by 3 points, with an average arc of motion of 135°. In all, there was radiographic evidence of full incorporation of the graft, with no resorption. Donor site morbidity was minimal.

Conclusions The current gold standard for distal radius articular surface reconstruction remains a free 3MT osteochondral flap. However, our results using the base of the 3MT as a graft shows promise, and if further follow-up confirms comparable results to the free flap technique, this would mean an easier and equally robust reconstruction without complicated microsurgery.

Level of Evidence Therapeutic, Level V case series.

Resumen

Objetivo La reconstrucción tardía de la superficie articular del radio distal después un traumatismo es un problema difícil para los cirujanos de la mano y por lo general, la solución mas común es la artrodesis parcial o total de muñeca, lo que disminuye el dolor, pero sacrifica la movilidad. Una técnica reconstructiva relativamente nueva, trata el problema mediante un injerto libre osteocondral, usando el hueso del tercer metatarsiano (3MT). Se presenta la posibilidad de utilizar el mismo hueso donante como injerto sin ser un colgajo libre.

Métodos Se realizó un estudio clínico prospectivo en pacientes con una lesión postraumática aislada de la fosa del semilunar en los que se realizó la cirugía para resecar la superficie articular dañada y en los que el defecto fue reconstruido mediante un injerto osteocondral de la base del 3MT. En todos los pacientes se realizó un seguimiento a intervalos de tiempo específicos y se recogieron las medidas pre y postoperatorias de dolor, fuerza de puño, rango de movimiento (ROM), y se realizaron radiografías y TAC postoperatorios para la evaluación de la reabsorción o consolidación del injerto. Solo se incluyeron pacientes con defectos aislados del radio distal.

Resultados El tiempo medio de seguimiento fue de 51 meses (intervalo: 14-73 meses). Los resultados de 7 pacientes incluyeron una mejora media de la puntuación del dolor en la escala analógica visual (VAS) de 3 puntos, con un arco de movimiento promedio de 135°. En todos, los casos, hubo evidencia radiográfica de plena consolidación del injerto, sin reabsorción. La morbilidad de la zona donante fue mínima.

Conclusiones Tratamiento “oro” en la actualidad para la reconstrucción de la superficie articular del radio distal continúa siendo un colgajo osteocondral libre del 3MT. Sin embargo, nuestros resultados utilizando la base del 3MT como injerto no vascularizado, son esperanzadores, y si el mayor seguimiento confirma que los resultados son comparables a la técnica usando un colgajo libre, significaría una reconstrucción más fácil y igualmente segura sin el uso de una técnica microquirúrgica complicada.

Nivel de evidencia Terapéutica, serie de casos de nivel V.

 
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