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Retrospective analysis of complications in 190 mandibular resections and simultaneous reconstructions with free fibula flap, iliac crest flap or reconstruction plate: a comparative single centre study

Lucas M Ritschl, Thomas Mücke, Diandra Hart, Tobias Unterhuber, Victoria Kehl, Klaus-Dietrich Wolff, Andreas M Fichter
Clinical Oral Investigations 2020 October 6

OBJECTIVES: The purpose of this study was to evaluate the incidence of complications following mandibular reconstruction and to analyse possible contributing factors.

MATERIALS AND METHODS: Clinical data and computed tomography scans of all patients who needed a mandibular reconstruction with a reconstruction plate, free fibula flap (FFF) or iliac crest (DCIA) flap between August 2010 and August 2015 were retrospectively analysed.

RESULTS: One hundred and ninety patients were enrolled, encompassing 77 reconstructions with reconstruction plate, 89 reconstructions with FFF and 24 reconstructions with DCIA flaps. Cutaneous perforation was most frequently detected in the plate subgroup within the early interval and overall (each p = 0.004). Low body mass index (BMI) and total radiation dosage were the most relevant risk factors for the development of analysed complications.

CONCLUSIONS: Microvascular bone flaps have overall less skin perforation than reconstruction plates. BMI and expected total radiation dosage have to be respected in choice of reconstructive technique.

CLINICAL RELEVANCE: A treatment algorithm for mandibular reconstructions on the basis of our results is presented.

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