전상방 사분면을 침범한 고막 천공을 가진 만성중이염 환자에게 시행한 Scutum 전방 고정 고실성형술의 결과
Outcomes of Anterior Scutum-Anchoring Tympanoplasty for Reconstruction of Tympanic Membrane Perforation Extending to Anterosuperior Quadrant
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Background and Objectives It can be troublesome to repair tympanic membrane (TM)perforation extending to anterosuperior quadrant (ASQ). Underlay technique may cause reperforationat ASQ, whereas overlay technique may result in anterior blunting or lateral healingof TM, causing conductive hearing loss. Anterior scutum-anchoring tympanoplasty (ASAT)can be a good alternative to repair TM perforation involving ASQ. ASAT is a variant of classicunderlay tympanoplasty during which a graft is overlayed only at anterosuperior aspect by wayof inserting a graft between the bony and fibrous annulus and anchoring the anterosuperiorend of graft on the anterior scutum. This study was performed to assess the outcome of ASAT. Subjects and Method The medical records of patients with chronic otitis media who receivedtype 1 tympanoplasty between April 2014 and August 2019 were reviewed. Dependingon the size of the TM perforation, patients were classified into four groups. The tympanicgraft success rate, complication rate, and hearing improvement were evaluated by group. Results The 82 ears of 78 patients were included for the study. At the most recent examinationafter 6 months of surgery, the graft success rate was 100% in all four groups. There wereno postoperative complications. The mean hearing threshold was improved at 17.2 dB HL inair-conduction pure tone audiometry after surgery. Conclusion ASAT is a reliable and easily performable technique to repair TM perforationextending to ASQ with a high graft success rate and good postoperative hearing.
Abstract
Background and Objectives It can be troublesome to repair tympanic membrane (TM)perforation extending to anterosuperior quadrant (ASQ). Underlay technique may cause reperforationat ASQ, whereas overlay technique may result in anterior blunting or lateral healingof TM, causing conductive hearing loss. Anterior scutum-anchoring tympanoplasty (ASAT)can be a good alternative to repair TM perforation involving ASQ. ASAT is a variant of classicunderlay tympanoplasty during which a graft is overlayed only at anterosuperior aspect by wayof inserting a graft between the bony and fibrous annulus and anchoring the anterosuperiorend of graft on the anterior scutum. This study was performed to assess the outcome of ASAT. Subjects and Method The medical records of patients with chronic otitis media who receivedtype 1 tympanoplasty between April 2014 and August 2019 were reviewed. Dependingon the size of the TM perforation, patients were classified into four groups. The tympanicgraft success rate, complication rate, and hearing improvement were evaluated by group. Results The 82 ears of 78 patients were included for the study. At the most recent examinationafter 6 months of surgery, the graft success rate was 100% in all four groups. There wereno postoperative complications. The mean hearing threshold was improved at 17.2 dB HL inair-conduction pure tone audiometry after surgery. Conclusion ASAT is a reliable and easily performable technique to repair TM perforationextending to ASQ with a high graft success rate and good postoperative hearing.
참고문헌 (11)
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