目的：探讨腭咽环扎术(VRLP)后阻塞性睡眠呼吸暂停低通气综合征(OSAHS)患者的上气道形态特征。

Objective: To study the upper airway morphologic changes in patients with obstructive sleep apnea hypopnea syndrome (OSAHS) after velopharyngeal ring ligation procedure (VRLP).

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目的：探讨腭咽环扎术（VRLP）后阻塞性呼吸睡眠暂停低通气综合征（OSAH S）的发生情况及特征。

PURPOSE: To discuss the occurrence and characteristics of obstructive sleep apnea hypopnea syndrome (OSAHS) after velopharyngeal ring ligation procedure (VRLP).

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