最常见的气道异常是喉麻痹（见于32名患者），其次是声门下狭窄（见于18名患者）。
The most common airway abnormality was laryngeal paralysis, seen in 32 patients, followed by subglottic stenosis, which was seen 18 patients.
结果表明，声门下嗓音源能够反映声带振动特征，是研究声带振动特性和喉部疾病诊断的一种有效方法。
Results showed vocal cord vibration modes and characteristics. It would be one of good methods for measurement of vocal cord vibration characteristics and diagnosis of thorax diseases.
这样的声门下溃疡是可由长期的气管内插管造成的，往往见于插管过紧。
Such subglottic ulcers are produced with prolonged endotracheal intubation in which the cuff of the endotracheal tube fits too tight.
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