Using the Glottic Angle and Area in Cases of Bilateral Vocal Fold Paralysis.

Tzu-Ying Chen, Hsing-Won Wang
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Abstract

Objective: Establish, through the determination of the glottic angle and area, a decision regarding safe and necessary interventions in bilateral vocal fold paralysis to maintain airway. Methods: From January 2008 to December 2023, we looked back at laryngoscopic photographs of subjects with bilateral vocal fold paralysis. The average vocal fold length for each gender was used to calculate the glottic areas and measure the corresponding glottic angles in a total of 26 cases. In order to determine the angles between the anterior commissure and each vocal process, 2 clinicians separately measured the lines and took their average measurement. The average vocal cord length by gender in the Taiwanese data was used to compute the glottic area. Results: The results showed the average glottic angle was 10.3° ± 7.3°. The intervention group (N = 17) had an average glottic angle of 7.1° ± 3.7°. The nonintervention group (N = 9) had an average glottic angle of 16.3° ± 8.9°. The average glottic area was 18.7 ± 10.2 mm2, with 14.2 ± 7.5 mm2 in the intervention group and 27.2 ± 9. 4 mm2 in the nonintervention group. Conclusion: We concluded that emergent airway intervention including intubation or tracheostomy was suggested when the glottic angle <12.2° or glottic area <25.2 mm2.

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在双侧声带瘫痪病例中使用声门角度和面积。
目的:通过声门角和声门面积的测定,确定双侧声带麻痹患者维持气道的安全、必要的干预措施。方法:回顾2008年1月至2023年12月双侧声带麻痹患者的喉镜照片。用各性别的平均声带长度计算26例声门面积,测量相应的声门角。为了确定前连合与各声突之间的角度,2名临床医生分别测量线并取平均值。在台湾的数据中,按性别划分的声带平均长度被用来计算声门面积。结果:平均声门角为10.3°±7.3°。干预组17例,平均声门角为7.1°±3.7°。非干预组(N = 9)平均声门角为16.3°±8.9°。平均声门面积18.7±10.2 mm2,干预组平均14.2±7.5 mm2,干预组平均27.2±9 mm2。非干预组为4mm2。结论:当声门角为2时,应采取气管插管或气管切开等紧急气道干预措施。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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