• Arin Ozturk, Murat Benzer, Isa Kaya, Sercan Gode, Cem Bilgen, and Tayfun Kirazli.
• a Department of Otolaryngology , Ege University School of Medicine , Izmir , Turkey.
• Acta Otolaryngol. 2019 Aug 1; 139 (8): 692-696.

AbstractBackground: There is not an ideal tympanomeatal flap incision type for transcanal procedures. Aims/Objectives: Comparing the outcomes and feasibility of posteriorly and anteriorly based tympanomeatal flap incisions for anterior perforations in endoscopic transcanal cartilage tympanoplasty. Material and methods: Twenty-six patients who had anterior TM perforation were included. Patients were divided into two groups with randomization. All of the data were prospectively collected. These included demographic data, date of the surgery, mean surgery time, preoperative and postoperative sixth-month pure-tone audiometry (PTA), type of tympanomeatal flap incision and graft healing success. Results: Mean follow up time was 20.69 ± 5.03 months. Graft healing rate was 100% in both groups. There was no major complication in both of groups. Mean air bone gap level improvement of (dB HL) at all frequencies was 7.69 ± 2.83 dB HL in group 1 and 7.98 ± 3.08 dB HL in group 2 respectively. Regarding pre-and postoperative mean air bone gap levels and mean surgery times, there was no significant difference between groups (p>.05). Conclusions and significance: For non-complicated anterior perforations that are less than 50% of TM, endoscopic transcanal cartilage tympanoplasty using anterior tympanomeatal flap elevation procedure was seemed minimally invasive and feasible to perform with successful audiologic and postoperative outcomes.

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