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目的探讨声带息肉术后发声功能恢复的时间及规律。方法对51例声带息肉患者(患者组)分别于支撑喉镜术后1、2周及1、3、6个月进行嗓音声学指标基频(fundamental frequecy,F0)、基频微扰(jitter)、振幅微扰(shimmer)、噪/谐比(noise to harmonic ratio,NHR)及嗓音障碍指数(voice handicap index,VHI)调查,对51例嗓音正常人(正常对照组)进行嗓音学分析及VHI调查,对比分析术后嗓音恢复情况。结果患者组F0较正常对照组降低,jitter、shimmer、NHR较正常对照组升高,差异有统计学意义(P<0.05);随着时间的推移,患者组F0逐渐升高,其余4个指标均有一定程度的降低,其中F0、jitter、shimmer、NHR在第1个月接近正常对照组,且与3、6个月时差异无统计学意义(P>0.05),VHI评分在3、6个月时与正常对照组相近,且差异无统计学意义(P>0.05)。结论声带息肉患者支撑喉镜术后嗓音质量逐渐恢复,术后1周内禁声休息,1个月内休声,1个月以后可正常、正确用嗓。
Objective To explore the vocal cord polyp vocal function recovery time and rules. Methods 51 patients with vocal cord polyp (patient group) underwent acoustic freaky basic frequency (F0, fundamental jitter, , Shimmer, noise to harmonic ratio (NHR) and voice handicap index (VHI) were measured in 51 patients with normal voice (normal control group) and VHI Investigation, comparative analysis of postoperative voice recovery. Results F0 in patients was lower than that in control group, but jitter, shimmer and NHR were higher than those in control group (P <0.05). The F0 in patients increased gradually with the passage of time. The remaining 4 indicators (P> 0.05). There was no significant difference in VHI score between 3 and 6 (P> 0.05). The FHI, jitter, shimmer and NHR in the first month were similar to those in the normal control group There was no significant difference between the two groups (P> 0.05). Conclusion The voice quality of the patients with vocal cord polyp was restored gradually after the laryngoscopy was performed. The patient was allowed to rest for one week after the laryngoscopy was performed, and the voice was silenced within 1 month and then normal after 1 month.