COMPARING THE ENDOSCOPIC TECHNIQUE WITH THE MICROSCOPIC BUTTERFLY CARTILAGE TYMPANOPLASTY
1Trabzon Kanuni Training and Research Hospital, Otorhinolaryngology, Trabzon, Turkey2Mehmet Akif Inan Training and Research Hospital, Otorhinolaryngology, Şanlıurfa, Turkey Objectives: To investigate the differences between endoscopic and microscopic butterfly cartilage tympanoplasty.
Material and Methods: Eighty-seven patients under endoscopic and microscopic butterfly cartilage tympanoplasty was done. Mean audiometric results were evaluated among the groups before surgery and six months after surgery at 500 Hz, 1000 Hz, 2000 Hz, and 4000 Hz at air and bone conduction thresholds. Air conduction pure tone audiometry (PTA), air-bone gap reduction, air-bone gap (ABG) and hearing gain before and after surgery were calculated after surgery.
Results: No statistically significant difference was found between the groups respectively in terms of the mean ABG before and after surgery (24.9±7.5 dB vs. 23.7±6.5 dB; 16.7 dB ± 5.2 vs. 15.9 dB ±5.8dB). Both groups showed significantly lower ABG after surgery than that before surgery (p<0.05). No statistically significant difference was found between the microscopic tympanoplasty group and the endoscopic tympanoplasty group (8.2±5.9 dB vs. 7.8±5.3 dB, (p=0.896) in terms of the mean improvement of the ABG.
Conclusion: There is a similarity between the microscopic and endoscopic groups in terms of the successful graft rate and the hearing outcomes.
Keywords : Microscopy, endoscopy, butterfly, cartilage, tympanoplasty