Complications and Risk after Mandibular Reconstruction with Fibular Free Flaps in Patients with Oral Squamous Cell Carcinoma: A Retrospective Cohort Study

Abstract

Background We retrospectively analyzed the incidence and types of postoperative complications after mandibular continuity reconstructions with fibular free flaps (FFF) in patients with oral squamous cell carcinoma (OSCC) and identified potential risk factors for postoperative complications.

Methods Data were retrieved from the medical records in the Department of Oral and Maxillofacial Surgery/Oral Pathology, VU University Medical Center/Academic Centre for Dentistry Amsterdam (ACTA), Amsterdam, The Netherlands from April 1995 to September 2013, and were statistically analyzed.

Results In this study, 85 patients were included in whom 86 FFFs were used for mandibular reconstruction. Thirty-seven patients (43%) developed ≥ 1 surgical complication and 9 patients (10.5%) developed ≥ 1 systemic complication. Three patients (3.5%) developed total flap failure and six patients (7.0%) developed partial flap failure. Surgical complications were correlated with tobacco use, partial glossectomy, type of mandibular defect, and anatomic staging. Systemic complications were associated with age > 60 years and Charlson comorbidity index > 2. Hospitalization > 30 days was associated with type of mandibular defect.

Conclusions The use of the FFF for reconstructing mandibular continuity defects in OSCC patients may be associated with postoperative complications. Patients with coexisting medical conditions and anterior mandibular defects have an increased risk for developing complications. Patients who undergo segmental mandibular resection including a partial glossectomy could have a reduced risk for complications.

Keywords

mandibular - reconstruction - fibula - oral cancer - complications - risk factors

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