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COMPARATIVE STUDY
JOURNAL ARTICLE
Endoscopic Type 1 Tympanoplasty in Chronic Otitis Media: Comparative Study with a Postauricular Microscopic Approach.
Otolaryngology - Head and Neck Surgery 2019 August
OBJECTIVE: To compare surgical outcomes after tympanoplasty without ossiculoplasty for chronic otitis media between transcanal endoscopic ear surgery (TEES) and postauricular microscopic ear surgery (PAMES).
STUDY DESIGN: Case-control study.
SETTING: Tertiary care university hospital.
SUBJECTS AND METHODS: Consecutive patients ( N = 122) who had undergone tympanoplasty without ossiculoplasty for chronic otitis media were enrolled in this retrospective study and divided into 2 groups: TEES (n = 47) and PAMES (n = 75). Middle ear condition was graded with the middle ear risk index. Hearing, repair of tympanic membrane perforation, and surgical time were assessed.
RESULTS: The surgical success rate for hearing (air-bone gap ≤20 dB) was 95.7% in the TEES group and 84.0% in the PAMES group. Lower middle ear risk resulted in similar mean (95% CI) closure of air-bone gaps (TEES: 9.6, 6.5-12.6; PAMES: 8.0, 6.4-9.7; P = .333), whereas higher middle ear risk demonstrated significantly larger closure of air-bone gaps for the TEES group (10.1, 3.3-16.9) than the PAMES group (-0.2, -4.5 to 4.2; P = .009). The surgical success rate for repair of tympanic membrane perforation and surgical time were equivalent between TEES and PAMES.
CONCLUSION: Under favorable conditions of the middle ear, TEES and PAMES resulted in similar hearing improvement by tympanoplasty without ossiculoplasty. However, under adverse conditions of the middle ear, TEES was a more beneficial approach for hearing improvement than PAMES.
STUDY DESIGN: Case-control study.
SETTING: Tertiary care university hospital.
SUBJECTS AND METHODS: Consecutive patients ( N = 122) who had undergone tympanoplasty without ossiculoplasty for chronic otitis media were enrolled in this retrospective study and divided into 2 groups: TEES (n = 47) and PAMES (n = 75). Middle ear condition was graded with the middle ear risk index. Hearing, repair of tympanic membrane perforation, and surgical time were assessed.
RESULTS: The surgical success rate for hearing (air-bone gap ≤20 dB) was 95.7% in the TEES group and 84.0% in the PAMES group. Lower middle ear risk resulted in similar mean (95% CI) closure of air-bone gaps (TEES: 9.6, 6.5-12.6; PAMES: 8.0, 6.4-9.7; P = .333), whereas higher middle ear risk demonstrated significantly larger closure of air-bone gaps for the TEES group (10.1, 3.3-16.9) than the PAMES group (-0.2, -4.5 to 4.2; P = .009). The surgical success rate for repair of tympanic membrane perforation and surgical time were equivalent between TEES and PAMES.
CONCLUSION: Under favorable conditions of the middle ear, TEES and PAMES resulted in similar hearing improvement by tympanoplasty without ossiculoplasty. However, under adverse conditions of the middle ear, TEES was a more beneficial approach for hearing improvement than PAMES.
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