Results and success-rated factors for tympanoplasty at Chom Thong Hospital
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Abstract
Background: The prevalence of chronic otitis media in Thailand is reported to be 0.2–0.3% and is among the top five conditions seen in the outpatient department at Chom Thong Hospital. This condition can lead to infections and tympanic membrane perforation. Tympanoplasty is a surgical procedure used to repair perforated tympanic membranes.
Objective: To evaluate the outcomes of tympanoplasty and identify factors predicting surgical success.
Materials and Methods: A retrospective study was conducted using medical records of patients who underwent tympanoplasty for tympanic membrane perforation at Chom Thong Hospital from January 1, 2014, to December 31, 2022. Data were analyzed to identify factors associated with successful surgical outcomes using a regression analysis.
Results: A total of 76 patients met the inclusion criteria, with 7.9% aged ≥55 years and 23.7% experiencing tympanic membrane perforations for more than 60 months. Post-surgery, 72% of patients achieved successful outcomes. The median perforation size of the tympanic membrane decreased from 50% to 0% (p<0.001), and the median air-bone gap conduction improved from 20.5 dB to 8.5 dB (p<0.001). Additionally, 80.3% of patients showed improved air conduction. Factors associated with successful surgical outcomes included age ≥55 years (relative risk (RR) 1.42, 95% confidence interval (CI) 1.07 −1.89) and perforation size smaller than 25% (RR 1.49, 95%CI 1.22–1.81). Surgical techniques, the type of graft used, and intraoperative pathological findings did not significantly influence surgical outcomes.
Conclusion: Tympanoplasty achieved a success rate of 72.4%, with significant improvements in hearing. Factors contributing to favorable surgical outcomes were age ≥55 years and a tympanic membrane perforation size smaller than 25%.
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บทความที่ส่งมาลงพิมพ์ต้องไม่เคยพิมพ์หรือกำลังได้รับการพิจารณาตีพิมพ์ในวารสารอื่น เนื้อหาในบทความต้องเป็นผลงานของผู้นิพนธ์เอง ไม่ได้ลอกเลียนหรือตัดทอนจากบทความอื่น โดยไม่ได้รับอนุญาตหรือไม่ได้อ้างอิงอย่างเหมาะสม การแก้ไขหรือให้ข้อมูลเพิ่มเติมแก่กองบรรณาธิการ จะต้องเสร็จสิ้นเป็นที่เรียบร้อยก่อนจะได้รับพิจารณาตีพิมพ์ และบทความที่ตีพิมพ์แล้วเป็นสมบัติ ของลำปางเวชสาร
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