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A Longitudinal Study of a Novel Modified Submental Rectangular Flap for Postoperative Laryngeal Stenosis
Zheng Jiang1,2, Longhao Wang1,2, Mailudan Ainiwaer1,2
1Department of Otolaryngology, Head and Neck Surgery, West China Hospital, Sichuan University, Chengdu, China.
Background:
This study aims to report and evaluate the efficacy of using a novel submental flap for addressing laryngeal stenosis.
Methods:
This study involved patients with glottic and supraglottic laryngeal stenosis following horizontal/vertical partial laryngectomy who were refractory to repeated interventions. Kaplan-Meier curves were used to demonstrate the decannulation, and the Mantel-Cox Log-rank test was used to compare the rate difference in quality-of-life subgroup analysis.
Results:
The average follow-up time was 30.04 ± 10.60 for all included patients; the flap survival was 100%, with only one patient in the horizontal laryngectomy group reported to have a flap-related complication. The decannulation rate was 93.75% and 80% in the horizontal and vertical groups, respectively, without any statistical analysis (p < 0.05). The average decannulation time was 10.17 ± 5.24 weeks in the horizontal group and 12.25 ± 5.56 in the vertical group.
Conclusion:
The modified submental flap technique provides a convenient and effective approach for laryngeal reconstruction in patients with postoperative laryngeal stenosis.
