Abstract
Introduction and objectivesObstructive sleep apnea is the most frequent sleep disorder worldwide, with rising incidence. Pharyngoplasty is an alternative treatment in patients not suitable to continuous positive airway pressure devices (CPAP). The aim of this study is to compare different surgical techniques of pharyngoplasty for treatment of obstructive sleep apnea and evaluate its influence in surgical success. Material and methodsRetrospective study of 92 patients that underwent pharyngoplasty for treatment of obstructive sleep apnea from 2001 to 2020. Included patients performed classic uvulopalatopharyngoplasty (UPPP), radiofrequency assisted uvulopalatopharyngoplasty (RF-UPPP) or barbed reposition pharyngoplasty (BRP). Surgical success was defined and outcomes and complications assessed for each procedure. ResultsMost patients were male, with a mean age of 49.36±9.6 years and a mean apnea hypopnea index (AHI) of 29.14±2.94events/h. Thirty-six patients performed classic UPPP, thirty-one underwent RF-UPPP and the remaining twenty-five performed BRP. BRP achieved the highest success rate (66%) in comparison with UPPP (57%) and RF-UPPP (54%) (p=0.032). Mean relative AHI reduction after surgery was not statistically different between three procedures (p=0.098), although there was a tendency for greater reduction with BRP. Most symptoms improved after surgery and snoring was the most recurrent symptom. BRP had less foreign body sensation after surgery, however, it was the procedure with highest rate of post-operative tonsillar bleeding. ConclusionsIn our department, the introduction of recent techniques of velopharyngeal surgery, focused in functional and lateral muscular collapse, has translated into an increase in success rate after surgery. The relative ease of the procedure and reduction of long term complications make BRP an attractive alternative option for CPAP in OSA, in carefully selected patients.
Published Version
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