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甲杓韧带弹性逐渐丧失,引起双侧真声带靠拢不全,声音响度减弱,呼吸声增强,发音迅速疲劳,间接喉镜检查可见声带明显弯曲。急性声韧带伸长,声带休息能使其改善;由于弹性纤维随年龄增长弹力丧失所致的慢性声韧带伸长,声带休息无效。喉部挤压伤可导致喉前后径缩短,声韧带松弛,声音减弱至完全失音。为了矫治上述病情作者采用了声韧带拉紧术。
The gradual loss of elasticity of the carapace ligament, causing bilateral true vocal cord to move together, the sound weakened, enhanced breathing, rapid fatigue pronunciation, indirect laryngoscopy showed significant vocal cord curvature. Acute acoustic ligament elongation, vocal cord rest can make it better; due to elastic fibers with age loss of elasticity caused by chronic acoustic ligament elongation, vocal cord rest is invalid. Laryngeal crush injury can lead to throat anterior and posterior diameter shortening, acoustic ligament relaxation, the sound weakened to a complete aphonia. In order to correct the above condition the author used acoustic ligament tensioning.