Underlay Versus Modified Circumferential Subannular Graft Technique in Endoscopic Tympanoplastyopen access내시경 고실성형술에서 내면이식법과 변형윤상고실륜하이식법의 비교
- Authors
- Lee, Hyun-Jin; Ahn, Seong Ki; Yim, Chae Dong; Kim, Seong Dong; Hur, Dong Gu
- Issue Date
- Dec-2021
- Publisher
- Korean Society of Otolaryngology
- Keywords
- Endoscopy; Otologic surgical procedures; Tympanic membrane perforation; Tympanoplasty
- Citation
- Korean Journal of Otorhinolaryngology-Head and Neck Surgery, v.64, no.12, pp 880 - 886
- Pages
- 7
- Journal Title
- Korean Journal of Otorhinolaryngology-Head and Neck Surgery
- Volume
- 64
- Number
- 12
- Start Page
- 880
- End Page
- 886
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/74062
- DOI
- 10.3342/kjorl-hns.2021.00213
- ISSN
- 2092-5859
2092-6529
- Abstract
- Background and Objectives To describe and evaluate modified circumferential subannular tympanoplasty (MCST) via endoscopic approach, we compared the results of MCST to those of the underlay technique and the results of previous studies. Subjects and Method A retrospective comparative study was conducted of 31 patients who underwent endoscopic transcanal tympanoplasty. Patients were classified into the MCST group (n=11) and the underlay group (n=20) according to the graft technique. Demographic data, size and location of the perforation, pre- and postoperative hearing, operating time, complication rate, and graft success rate were analyzed in each group. Results No significant differences between the two groups were observed in the demographic data or the locations of the perforations. The sizes of the perforations were 31.4±14.3% and 25.0±18.1%, respectively. The average operating times were 68.6±16.5 min and 64.9±9.3 min, respectively, and canaloplasty was not required in any patient. The postoperative hearing improvement and air-bone gap were not significantly different. No postoperative complications were observed in either group. Conclusion MCST is a feasible and effective technique for endoscopic transcanal tympanoplasty. The postoperative results and operating times of MCST were comparable to those of other graft techniques. MCST showed more stable results in anterior perforation than in underlay graft. Copyright © 2021 Korean Society of Otorhinolaryngology-Head and Neck Surgery.
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