Submental artery island flap versus free flap reconstruction of lateral facial soft tissue and parotidectomy defects: Comparison of outcomes and patient factors

Publication date: March 2018
Source:Oral Oncology, Volume 78
Author(s): Akshay V. Patel, Jason E. Thuener, Kate Clancy, Mustafa Ascha, Nauman F. Manzoor, Chad A. Zender
ObjectivesThe submental artery island flap (SIF) has recently been described in temporal bone defects. At our institution we have broadened the application of the SIF and modified the harvest technique for complex lateral facial and skull base defects. Our primary aim is to evaluate the outcomes of patients undergoing complex lateral facial soft tissue, parotidectomy, and temporal bone defects who are reconstructed with the SIF to a similar cohort undergoing free tissue transfer reconstruction.Materials and methodsNineteen patients undergoing SIF and 54 patients undergoing free tissue flaps for oncologic lateral facial, parotidectomy and temporal bone defects were retrospectively identified. Comparative statistics were used to analyze variables between the two cohorts, specifically operative time, flap size, length of stay, regional recurrence, disease free survival, and overall survival.ResultsNo significant difference in demographic and disease related variables was observed. Operative time was significantly lower in SIF group with mean of 412.9 (SD 93.4) minutes compared to 544.1 (SD 139.9) minutes in free flap group. Flap size was significantly larger in free tissue transfer, 32.4 (SD 17.5) cm² (SIF) compared to mean area of 105.2 (SD 53.2) cm² (Free tissue transfer). A significant difference in length of stay was also noted between groups. There was no regional recurrence of disease in level I–III in SIF group. There was no significant difference in DFS or OS between the two groups.ConclusionSIF is an oncologically sound option for reconstruction of lateral facial soft tissue, parotidectomy, and temporal bone defects.



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