American journal of otolaryngology · 2019
Comparison of arytenoid vertical height discrepancy in normal versus patients with vocal cord palsy.
Сравнительное исследованиеСтатьяНазвание и аннотация: Перевод в очереди
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Wong Eugene H, Smith Murray, Tjahjono Richard, Stone Danielle B, Sritharan Niranjan, Palme Carsten E, Smith Mark C, Riffat Faruque
Аннотация
OBJECTIVE: Cadaveric experiments and more recently clinical data have demonstrated that patients with vertical height discrepancy between their arytenoids experience poorer voice outcomes in patients with unilateral vocal cord palsy (UVP) after medialisation laryngoplasty. However, the presence or severity of height discrepancy in normal patients without UVP has not yet been clearly defined.
STUDY DESIGN: Case-control study.
SETTING: Tertiary Australian hospitals.
SUBJECTS AND METHODS: A retrospective review was performed on patients who underwent high computed tomography imaging of the neck. Scans were assessed for discrepancy in arytenoid vertical height discrepancy and compared to a cohort with known UVP.
RESULTS: 44 normal patients (50% female, mean age 57.6 ± 14.8 years) were compared to 23 patients with UVP (43.4% female, mean age 52.3 ± 14.9 years.) Normal patients were found to have a smaller height discrepancy compared to UVP patients (student's t-test,2.00 mm ± 0.00 vs 2.39 mm ± 0.72, p < .001.) CONCLUSION: This study suggests that discrepancy is pathologic, and it is plausible that this results in acoustic consequences.
STUDY DESIGN: Case-control study.
SETTING: Tertiary Australian hospitals.
SUBJECTS AND METHODS: A retrospective review was performed on patients who underwent high computed tomography imaging of the neck. Scans were assessed for discrepancy in arytenoid vertical height discrepancy and compared to a cohort with known UVP.
RESULTS: 44 normal patients (50% female, mean age 57.6 ± 14.8 years) were compared to 23 patients with UVP (43.4% female, mean age 52.3 ± 14.9 years.) Normal patients were found to have a smaller height discrepancy compared to UVP patients (student's t-test,2.00 mm ± 0.00 vs 2.39 mm ± 0.72, p < .001.) CONCLUSION: This study suggests that discrepancy is pathologic, and it is plausible that this results in acoustic consequences.