ArticleWorld journal of otorhinolaryngology - head and neck surgery2025
Analysis of Factors Influencing Voice Outcome in Unilateral Vocal Fold Paresis and Paralysis.
Article in World journal of otorhinolaryngology - head and neck surgery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Objective: To explore factors influencing voice outcome in patients with unilateral vocal fold paresis and paralysis (UVFP). Methods: A total of 578 patients diagnosed with UVFP by laryngeal electromyography and follow-up were included, including 286 males and 292 females, with an average age of (43.18 ± 14.65) years (13-80 years). According to follow-up analysis, the patients were divided into a vocal improvement group (VIG) and a vocal nonimprovement group (VNG), and the differences in etiology, nerve injury type (recurrent laryngeal nerve [RLN] alone or with superior laryngeal nerve [SLN] injury) and degree (incomplete or complete RLN injury) between the two groups were compared. Results: There were 232 patients in the VIG and 346 patients in the VNG. In the VIG, 121 patients (52.16%) had idiopathic vocal fold paresis or paralysis, with a significantly higher proportion than the VNG (41.62%, Conclusions: Idiopathic UVFP has a greater possibility of vocal improvement, while least possibilities were seen in those with tumor compression, radiotherapy, and congenital factors. Complete RLN injury is not conducive to vocal improvement, of which the PCA injury is more evident than TA muscle and PCA synkinesis may be a greater risk factor.
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