Abstract
Objective
To conduct a systematic review and meta-analysis to evaluate effects of lingual tonsillectomy with palatal surgery as a combined procedure for the treatment of obstructive sleep apnea (OSA) in adults.
Search methods
Data source: a comprehensive search of MEDLINE, Scopus, Ovid, Web of Science, and the Cochrane Library was performed through November 2017. Manual searches and subject matter expert input were also obtained. This review includes studies assessing efficacy of lingual tonsillectomy with palatal surgery as a combined procedure for the treatment of OSA in adults, who had multilevel obstruction including lingual tonsil hypertrophy, in which apnea/hypopnea index (AHI) or respiratory disturbance index (RDI) were reported.
Results
A total of four studies (107 patients) met our inclusion criteria. Pooled random effects analysis demonstrated a statistically significant improvement of polysomnographic respiratory events postoperatively, with average AHI reduction of 18.51 events per hour, [95% confidence interval (CI) (− 31.72, − 5.31); P = 0.006] and increase in minimal arterial oxygen saturation of 5.26 [95% CI (0.10, 10.42); P = 0.05]. The result also showed that the procedures significantly improved sleepiness resulting in an average Epworth Sleepiness Scale (ESS) reduction of 5.44 [95% CI (− 8.69, − 2.18); P = 0.001].
Conclusion
A combination of lingual tonsillectomy with palatal surgery may offer benefits in a selected group of OSA adults, in terms of apnea/hypopnea index, minimal arterial oxygen saturation and Epworth Sleepiness Scale. Data were based on meta-analysis of all case series with 2–6 months' follow-up.
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