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目的:通过比较清醒状态下的阻塞性睡眠呼吸暂停综合征 (OSAS)患者与正常成人咽腔横截面积的差异 ,确定 OSAS患者的阻塞发生部位 ,为制定有效的治疗方案提供依据。方法 :应用 SCT- 2 6 0 0 T型螺旋滑环式 CT扫描机对 14例 OSAS患者及 30例无打鼾史的健康成年人进行鼻咽腔、口咽腔和喉咽腔横截面积的测量。结果 :(1)正常成人鼻咽腔、口咽腔和喉咽腔横截面积的平均值分别为 (478.12± 111.17) m m2、(2 4 2 .6 1± 110 .98) mm2、(40 3.82± 10 1.82 ) m m2。 (2 ) OSAS男性患者的口咽腔、鼻咽腔横截面积分别为 (99.77± 6 2 .17) mm2和 (40 0 .4 2±85 .93) m m2 ,均小于正常男性 ,差异有统计学意义 (P<0 .0 5 )。 结论 :咽腔 CT测量可以确定 OSAS患者上气道阻塞部位 ,并用于指导临床治疗
Objective: To compare the pharyngeal cross-sectional area of obstructive sleep apnea-hypopnea syndrome (OSAS) patients with that of normal adults and determine the occlusion sites of OSAS patients, so as to provide basis for effective treatment. Methods: The cross-sectional areas of the nasopharynx, oropharynx and hypopharynx were measured in 14 patients with OSAS and 30 healthy adults without history of snoring using a SCT-2600 T helical slip ring CT scanner . Results: (1) The mean values of the cross sectional area of nasopharynx, oropharynx and hypopharynx of normal adults were (478.12 ± 111.17) m m2, (2262 ± 110.98) mm2, (40 3.82 ± 10 1.82) m m2. (2) The oropharyngeal cavity and nasopharyngeal cavity cross-sectional area of OSAS male patients were (99.77 ± 6.22 ± 17) mm2 and (40.0 ± 42.25 ± 85.93) m m2, respectively, which were less than those of normal men Statistical significance (P <0.05). Conclusion: The pharyngeal CT scan can determine the upper airway obstruction in OSAS patients and is used to guide the clinical treatment