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KMID : 1034320220130020094
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Sleep Medicine Research
2022 Volume.13 No. 2 p.94 ~ p.102
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Therapeutic Effect of Extended Uvulopalatal Flap Surgery in Patients With Obstructive Sleep Apnea
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Kang Jae-Yoon
Im Se-Yeon
Sung Han Wool John
Choi Mi-Ra
Park Soo-Kyoung
Kim Yong-Min
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Abstract
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Background and Objective Although numerous studies have reported surgical results of uvulopalatopharyngoplasty, efficacies of extended uvulopalatal flap (EUPF) surgery have only been reported in a few studies. Thus, the aim of this study was to evaluate the success rate of EUPF and investigate the advantage and practicality of this surgery.
Methods Medical records of patients who underwent EUPF surgery were retrospectively analyzed. Through medical record analysis, demographic information was confirmed. Postoperative polysomnography (PSG) results were divided into a surgical ‘success’ group and a ‘failure’ group. Patients’ PSG results, questionnaires, and cephalometry were comparatively analyzed.Results All sleep parameters of PSG except rapid eye movement latency and hypopnea index were significantly improved after surgery. Ten patients were in the success group (success rate, 33.3%) and 20 patients were in the failure group. Among preoperative PSG parameters, apnea-hypopnea index, apnea index, and number of awakenings showed significant differences between the two groups. However, there were no significant differences in results of cephalometry or Friedman stage between the two groups.
Conclusions The EUPF surgery can change sleep factors and improve subjective symptoms in obstructive sleep apnea patients. It could be considered as one of the treatment options for patients with surgical indications, although its success rate was only 33.3%.
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KEYWORD
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Obstructive, sleep apnea, Polysomnography, Cephalometry
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