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脑梗死患者阻塞性睡眠呼吸紊乱与脑动脉粥样硬化风险的临床分析 被引量:6

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摘要 目的评估脑梗死患者合并阻塞性睡眠呼吸暂停(OSA)时脑动脉粥样硬化的风险。方法选择经TOAST分型为大动脉粥样硬化性脑梗死患者进行头颅磁共振血管成像(MRA)及颈动脉彩色超声检查了解颅内外动脉病变的情况,并根据检查结果分为无狭窄、狭窄程度<50%、狭窄程度≥50%组。所有患者均行多导睡眠图检查(PSG),根据睡眠呼吸暂停低通气指数(AHI)分为正常组:AHI<5次/h;轻度OSA:5~15次/h;中度OSA:15~30次/h;重度OSA:AHI≥30次/h。比较OSA与非OSA患者脑动脉狭窄的程度、数量和狭窄分布的区别。结果 75.0%(57/76)的患者合并OSA,其中轻度OSA为32例(56.1%),中重度OSA为25例(43.9%),颅内动脉狭窄为80.7%(46/57),颅外动脉狭窄为54.9%(28/51);非OSA组19例,颅内、外动脉狭窄为总发生率分别为21.1%(4/19),20.0%(3/15)。分层研究表明,随着AHI的增加,颅内外动脉狭窄的程度增加,分布更广。在轻度OSA组,颅内动脉狭窄≥50%的为28.1%(9/32),多支狭窄为28.1%(9/32),颈动脉硬化为40.7%(11/27)而在中重度OSA组,颅内动脉狭窄≥50%的为72.0%(18/25),多支狭窄为60%(15/25),颈动脉硬化为70.8%(17/24)。轻、中重度组间差异显著(P<0.05)。前、后循环脑动脉狭窄的分布无明显差异(P=0.588)。结论 OSA增加脑动脉粥样硬化风险,OSA程度越重,脑动脉硬化的程度越重,分布越广。应重视对脑梗死患者睡眠呼吸功能的评估和干预。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2011年第24期4769-4771,共3页 Chinese Journal of Gerontology
基金 "十一五"国家科技支撑计划项目(2008BAI68B00)
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