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<p>This study assesses and compares two tympanoplasty techniques—the endoscopic double flap (double door) and the microscopic interlay—in terms of graft uptake, hearing restoration, and surgical time, in patients with chronic otitis media (COM) mucosal disease. A retrospective comparative study was conducted in the Department of Otorhinolaryngology and Head and Neck Surgery of a Tertiary care center in North India, from January 2023 to December 2024. A total of 100 patients with central perforations underwent tympanoplasty: 50 via the endoscopic double flap technique and 50 via the microscopic interlay technique. Otoscopic and audiometric evaluations were performed preoperatively. Postoperative follow-ups were conducted at 1, 3, and 6&#xa0;months to assess surgical and functional outcomes. Graft uptake rates were 98% in the double flap group and 96% in the interlay group. The mean hearing improvement was 18.5 ± 9.48&#xa0;dB in the double flap group and 20.04 ± 9.03&#xa0;dB in the interlay group, with no statistically significant difference. However, the mean operative time was significantly shorter in the endoscopic group. Additionally, complication rates were lower in the double flap group compared to the interlay group. While graft success and hearing improvement were comparable between the two groups, the endoscopic double flap technique demonstrated advantages in terms of reduced operative time and fewer complications, making it a reliable and efficient option for managing COM without cholesteatoma.</p>

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A Comparative Study Between Endoscopic Double Door (Double Flap) Technique and Microscopic Interlay Technique in Type1 Tympanoplasty: Outcomes and Efficacy

  • 期刊论文

  • 发表日期：

    2025年8月22日

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  • Bushra Athar,
  • Rajat Jain,
  • Abhishek Bahadur Singh,
  • Sunil Kumar,
  • Manish Chandra,
  • Veerendra Verma,
  • Anupam Mishra

摘要

This study assesses and compares two tympanoplasty techniques—the endoscopic double flap (double door) and the microscopic interlay—in terms of graft uptake, hearing restoration, and surgical time, in patients with chronic otitis media (COM) mucosal disease. A retrospective comparative study was conducted in the Department of Otorhinolaryngology and Head and Neck Surgery of a Tertiary care center in North India, from January 2023 to December 2024. A total of 100 patients with central perforations underwent tympanoplasty: 50 via the endoscopic double flap technique and 50 via the microscopic interlay technique. Otoscopic and audiometric evaluations were performed preoperatively. Postoperative follow-ups were conducted at 1, 3, and 6 months to assess surgical and functional outcomes. Graft uptake rates were 98% in the double flap group and 96% in the interlay group. The mean hearing improvement was 18.5 ± 9.48 dB in the double flap group and 20.04 ± 9.03 dB in the interlay group, with no statistically significant difference. However, the mean operative time was significantly shorter in the endoscopic group. Additionally, complication rates were lower in the double flap group compared to the interlay group. While graft success and hearing improvement were comparable between the two groups, the endoscopic double flap technique demonstrated advantages in terms of reduced operative time and fewer complications, making it a reliable and efficient option for managing COM without cholesteatoma.