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<p>Myringoplasty involves repair of pars-tensa of tympanic membrane, when the middle ear is normal. During the last hundred years various modifications in this surgical technique has come up because of continued efforts of otologists all over the world to achieve the best surgical outcome. To compare and analyze two methods of type 1 tympanoplasty, underlay myringoplasty and push through technique myringoplasty in view of graft uptake and hearing outcome. This comparative study includes 72 patients; half of these patients underwent underlay myringoplasty and the other half underwent push-through technique myringoplasty in a tertiary care center from November 2019 to September 2021. In underlay myringoplasty group, the preoperative air bone gap was 20.94 ± 3.55 and the post operative air–bone gap was 15.61 ± 3.91. In Push through technique myringoplasty group, the preoperative air bone gap was 23.44 ± 5.90&#xa0;dB and the post operative air bone gap was 15.53 ± 4.58&#xa0;dB. Improvement in AB gap of both groups was statistically significant. Graft uptake in underlay myringoplasty and push through technique myringoplasty was 92% and 87% respectively. The mean duration of surgery for underlay myringoplasty was 80.00 ± 8.28&#xa0;min and for Push through technique myringoplasty was 39.31 ± 4.50&#xa0;min which was statistically significant. Push through technique myringoplasty is an effective minimally invasive alternative to underlay myringoplasty with comparable graft uptake and hearing gain. In addition, it requires lesser operative time, avoids post aural scar with lesser morbidity making it an effective day care surgery.</p>

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Surgical and Audiological Outcome of Push-Through Technique Myringoplasty Versus Underlay Myringoplasty in Chronic Suppurative Otitis Media -A Comparative Study

  • 期刊论文

  • 发表日期：

    2025年7月7日

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  • Sahana Raju,
  • N. Dhanapala,
  • Vidya B. Thimmaiah,
  • L. Sudharshan Reddy,
  • Ramya Bandadka

摘要

Myringoplasty involves repair of pars-tensa of tympanic membrane, when the middle ear is normal. During the last hundred years various modifications in this surgical technique has come up because of continued efforts of otologists all over the world to achieve the best surgical outcome. To compare and analyze two methods of type 1 tympanoplasty, underlay myringoplasty and push through technique myringoplasty in view of graft uptake and hearing outcome. This comparative study includes 72 patients; half of these patients underwent underlay myringoplasty and the other half underwent push-through technique myringoplasty in a tertiary care center from November 2019 to September 2021. In underlay myringoplasty group, the preoperative air bone gap was 20.94 ± 3.55 and the post operative air–bone gap was 15.61 ± 3.91. In Push through technique myringoplasty group, the preoperative air bone gap was 23.44 ± 5.90 dB and the post operative air bone gap was 15.53 ± 4.58 dB. Improvement in AB gap of both groups was statistically significant. Graft uptake in underlay myringoplasty and push through technique myringoplasty was 92% and 87% respectively. The mean duration of surgery for underlay myringoplasty was 80.00 ± 8.28 min and for Push through technique myringoplasty was 39.31 ± 4.50 min which was statistically significant. Push through technique myringoplasty is an effective minimally invasive alternative to underlay myringoplasty with comparable graft uptake and hearing gain. In addition, it requires lesser operative time, avoids post aural scar with lesser morbidity making it an effective day care surgery.