Prognostic Factors and a Preoperative Scoring Tool for Arytenoid Dislocation: A Retrospective Study.

Zhipeng Yin,Yufei Pan,Ke Wu,Yuanyuan Lu,Huiying Hu,Kai Liu,Zhenkun Yu

Published 2025 in Journal of Voice

ABSTRACT

OBJECTIVE Arytenoid dislocation (AD) is a rare laryngeal injury with diagnostic and therapeutic challenges. To identify preoperative prognostic factors for voice recovery after closed reduction and develop a simple risk scoring tool. METHODS This retrospective study included 128 patients with AD who underwent closed reduction. Outcomes were evaluated using Grade, Roughness, Breathiness, Asthenia, Strain (GRBAS) scale at 1 month. Logistic regression identified predictors; a scoring model was built and internally validated. RESULTS Delayed intervention and nonintubation-related etiology were independent predictors of poor outcomes. A three-factor scoring tool (age >58 years, intervention >29 days, nonintubation-related) showed good predictive ability (area under the receiver operating characteristic curve = 0.785; Hosmer-Lemeshow P = 0.60). CONCLUSION This tool enables early risk stratification using routine clinical variables and may assist in the individualized management of AD. LEVEL OF EVIDENCE Level 4.

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