Abstract:Objective To study the effect of otoscope in the exploration and reconstruction of ossicular chain.Methods Clinical data of 64 patients (64 ears) with ossicular chain exploration tympanoplasty from February 2019 to May 2021 were retrospectively analyzed, and their surgical characteristics and therapeutic effects were analyzed. The patients in the otoscope group were treated by otoscope, and the patients in the microscope group were treated by microscope.Results In the patients whose lesion scope did not exceed the tympanic sinus, the intraoperative bleeding in the otoscope group was significantly less than that in the microscope group, the operation time and hospital stay in the otoscope group were significantly shorter than those in the microscope group, the pain score and adverse reaction rate in the otoscope group were significantly lower than those in the microscope group (P < 0.05). After 6 months, the healing rate of tympanic membrane in otoscope group was 93.3% (28/30); The tympanic membrane healing rate in the microscope group was 91.2% (31/34). Both groups could obtain better tympanic membrane healing and the improvement of pure tone average (PTA). There was no significant difference between the two groups (P > 0.05). Among the patients with ossicular chain reconstruction after operation, the reduction of air-bone gap (A-B gap) in patients with artificial ossicular implantation in the otoendoscope group was greater than that in the microscope group (P < 0.05).Conclusion In patients whose lesions do not exceed the tympanic sinus, the choice of otoscopic surgery has more advantages and clinical practical value.