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The effect of using a PORP to reconstruct the ossicular chain under otoendoscopy with and without a malleus handle
Min Zhang1, Xiaoyun Chen1, Yideng Huang1
1Department of Otolaryngology-Head and Neck Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China.
Background:
There are many reports on the role of the malleus handle in ossicular chain reconstruction (OCR). However, the effect of the presence of the malleus handle is not clear.
Aim/Objectives:
To compare the hearing outcomes of using a partial ossicular replacement prosthesis (PORP) to reconstruct the ossicular chain under otoendoscopy with and without a malleus handle.
Methods:
Records of 57 patients requiring OCR were retrospectively analyzed. They were divided into the malleus handle-present group (group 1) and the malleus handle-absent group (group 2). The audiometric results were analyzed pre- and postoperatively. A postoperative air-bone gap (ABG)≤20 dB was considered successful.
Results:
The mean improvement in air conduction hearing thresholds was 19.80 dB in group 1 and 16.70 dB in group 2. The mean ABG improvement was 18.09 ± 12.79 dB for group 1 and 17.20 ± 16.44 dB for group 2. The malleus handle-present group achieved higher success (65.63%) than the malleus handle-absent group (52%; p> .05).
Conclusions And Significance:
Improvements in hearing outcomes were similar for the two groups. However, the malleus handle-present group showed a better reconstruction success rate. Our results suggest that if there is no lesion in the malleus handle, it is recommended to be retained.
