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Comparison of robotic and coblation tongue base resection for obstructive sleep apnoea

 C S Hwang  ;  J W Kim  ;  J W Kim  ;  E J Lee  ;  C-H Kim  ;  J-H Yoon  ;  H-J Cho 
 CLINICAL OTOLARYNGOLOGY, Vol.43(1) : 249-255, 2018 
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coblation ; multilevel surgery ; obstructive sleep apnoea ; tongue base resection ; transoral robotic surgery
OBJECTIVES: To compare the efficacy and safety of transoral robotic surgery (TORS) with endoscope-guided coblation tongue base resection. DESIGN: Retrospective case-control study. SETTING: University-based tertiary care medical center. PARTICIPANTS: Patients with obstructive sleep apnoea (OSA) who underwent endoscope-guided tongue base coblation resection or transoral robotic surgery (TORS) in combination with lateral pharyngoplasty at a single institution in South Korea between April 2013 and December 2016 were investigated. Forty-five patients who had moderate-to-severe OSA with tongue base collapse and a minimum follow-up period of 6 months with postoperative polysomnography (PSG) were enrolled in this study. MAIN OUTCOME MEASURES: All patients underwent pre- and postoperative (at least 4 months after surgery) overnight PSG. Available information on results of the PSG, Epworth sleepiness scale and complications of the TORS and coblation groups were compared. RESULTS: Postoperative PSG studies showed improved sleep quality for most patients. The mean postoperative apnoea-hypopnea index (AHI) was reduced significantly from 45.0 to 17.0 events/h (P < .0001) in the TORS group and from 45.6 to 16.2 events/h (P < .0001) in the coblation group. The mean rates of improvement (AHI reduction > 50%) were 75.0% in TORS patients and 62.1% in coblation patients and the difference was not significant. Less frequent postoperative morbidity, including bleeding, taste dysfunction and foreign body sensation, was recorded in TORS patients. CONCLUSIONS: Both the coblation and TORS groups showed similar surgical outcomes, TORS achieved PSG results non-inferior to and complication rates comparable to coblation.
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1. College of Medicine (의과대학) > Dept. of Otorhinolaryngology (이비인후과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Chang Hoon(김창훈) ORCID logo https://orcid.org/0000-0003-1238-6396
Yoon, Joo Heon(윤주헌)
Lee, Eun Jung(이은정) ORCID logo https://orcid.org/0000-0002-0454-4510
Cho, Hyung Ju(조형주) ORCID logo https://orcid.org/0000-0002-2851-3225
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