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Comparison of Outcomes Between Free Ileocolonic and Tube-Shaped ALT Fasciocutaneous Flaps in Total Hypopharyngeal
Jian-Xun Chen1,2, Ta-I Wang3, Shane D Morrison4
1School of Medicine, China Medical University, Taichung, Taiwan.
Objectives:
This study compares the outcomes of free ileocolonic and tube-shaped anterolateral thigh (ALT) fasciocutaneous flaps in reconstructing total hypopharyngeal defects.
Methods:
A retrospective analysis was conducted on 76 patients who underwent reconstruction with either an ileocolonic flap (n = 20) or a tube-shaped ALT flap (n = 56) between 2011 and 2021. Primary outcomes included dietary tolerance at 1 and 3 years, pharyngocutaneous fistula rates, and survival. Statistical analyses assessed group differences in complications and dietary restrictions.
Results:
The ileocolonic flap group demonstrated superior dietary outcomes at 1 and 3 years (90% vs. 62.5% and 90% vs. 51.4%, respectively) but had a higher fistula rate (25% vs. 7.1%, p = 0.048). No significant differences in survival were observed between the groups.
Conclusion:
The ileocolonic flap offers better long-term dietary outcomes despite higher early fistula rates. Further research is recommended to optimize flap selection for hypopharyngeal reconstruction.
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