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目的：探讨阻塞性睡眠呼吸暂停综合征（OSAS）与口咽腔大小的关系。方法：对30例该病患者进行了口咽腔的测量，并以30例正常人作对照。结果：OSAS患者的悬雍垂基部至舌背间距、舌腭弓间距、咽腭弓间距、悬雍垂表面积均与正常组有显著性差异（P＜0．001）。其中悬雍垂基部至舌背间距、咽腭弓间距与睡眠呼吸紊乱指数（AHI）呈负相关（P＜0．05），而悬雍垂表面积与AHI呈正相关（P＜0．05）。同时通过测量受检者的身高、体重，得出体重指数与AHI皇正相关（P＜0．001）。结论：口咽腔狭窄和肥胖在OSAS发病中起重要作用。
Objective: To investigate the relationship between obstructive sleep apnea syndrome (OSAS) and oropharyngeal size. Methods: The oropharyngeal cavity was measured in 30 patients with the disease and 30 normal controls were used as controls. Results: There was a significant difference (P <0.001) between the base of uvula and the base of tongue, the distance between tongue and palatoplasty, the distance between pharynx and palatoplasty, the surface of uvula in OSAS patients. There was a negative correlation between the base of the uvula and the back of the tongue, the distance between pharyngeal palatal arch and sleep apnea index (AHI) (P <0.05), and the surface area of uvula was positively correlated with AHI (P <0.05). At the same time by measuring the subject’s height and weight, body weight index and AHI positive correlation (P <0.001). Conclusion: Oropharyngeal stenosis and obesity play an important role in the pathogenesis of OSAS.