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目的 :评价杓状软骨内移术对声带麻痹患者发音功能的疗效。方法 :用喉空气动力学检查及嗓音分析方法 ,对 5 6例杓状软骨内移术患者手术前后最大发声时 (MPT)、平均呼气流率 (MFR)、声强 (SPL )、发音时呼气压 (EP) ,以及用 GRBAS法进行的嗓音听觉评价的嘶哑度 (G)进行了比较。结果 :术后 :MPT平均值男延长了3.1倍 ,女延长了 2 .7倍 ;MFR平均值显著下降 ,男从 82 7.3ml/ s下降到 34 0 .3ml/ s,女从 477.1m l/ s下降到 15 8ml/ s(P <0 .0 1) ;SPL平均值升高 ;EP平均值下降 ;G的平均值从 2 .8下降到 1.7(P <0 .0 1) ,改善程度在 1级以上的占 71%。结论 :杓状软骨内移术可使喉的发音功能得到显著改善 ,是非常安全、有效的手术方法之一。
OBJECTIVE: To evaluate the efficacy of arytenoid cartilage internalization in vocal cord paralysis patients with vocal function. Methods: Throat aerodynamic examination and vocal analysis were used to evaluate the value of maximal vocalization (MPT), mean expiratory flow rate (MFR), sound intensity (SPL) Expiratory pressure (EP), and hoarseness (G) of voice auditory evaluation by the GRBAS method. Results: The mean MPT was 3.1 times longer and 2.7 times longer in women than in normal controls. The mean MFR decreased significantly from 82.73ml / s to 34.0.3ml / s and from 477.1ml / s Decreased to 15 8ml / s (P <0.01); the average value of SPL increased; the average value of EP decreased; the average value of G decreased from 2.8 to 1.7 (P <0.01) 71% above level. CONCLUSION: Arteial cartilage endoscopic surgery can significantly improve the pronunciation function of the larynx, which is a very safe and effective surgical method.