Relationship between apnoea-hypopnoea index and angiographic
coronary disease phenotypes in patients presenting with acute
myocardial infarction.

Thet Hein, Germaine Loo, Wai-Yee Ng, Bee-Choo Tai, Takashi Kajiya, Adeline Tan, See-Meng Khoo, Mark Chan, Adrian F Low, Boon-Lock Chia, Mark Richards, Chi-Hang Lee
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引用次数: 6

Abstract

Background: Relationship between obstructive sleep apnoea and atherosclerosis has not been confirmed using coronary angiography. We sought to investigate the relationships between the apnoea-hypopnoea index (AHI) and angiographic coronary disease phenotypes.


Methods: SYNTAX score, lesion complexity, and thrombus burden grade were determined in 125 patients presenting with acute myocardial infarction and had undergone a screening sleep study. Severe OSA was defined as AHI ≥ 30.


Results: Most of the recruited patients were male (97.6%). Severe obstructive sleep apnoea was diagnosed in 37% of the patients. The severe obstructive sleep apnoea group (n = 46) was older (P = 0.039) and more obese (P = 0.003) than the non-severe group (n = 79). There was no evidence of difference between the severe and non-severe obstructive sleep apnoea groups with regard to SYNTAX score (P = 0.871), number of complex lesions (P = 0.241), and thrombus burden grade (P = 0.433). Multivariate analysis adjusting for difference in age and body mass index did not change the findings.

Conclusion: Using the three angiographic scoring systems, we found no association between AHI and angiographic coronary disease phenotypes, suggesting a limited effect of obstructive sleep apnoea on the amount and distribution of coronary plaques in patients presenting with acute myocardial infarction.

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急性
心肌梗死患者呼吸暂停低通气指数与血管造影
冠状动脉疾病表型的关系
背景:阻塞性睡眠呼吸暂停与动脉粥样硬化之间的关系尚未得到冠状动脉造影的证实。我们试图调查呼吸暂停-低通气指数(AHI)与冠状动脉造影疾病表型之间的关系。
方法:对125例急性心肌梗死患者进行SYNTAX评分、病变复杂性和血栓负担等级的测定,并进行了筛查性睡眠研究。重度OSA定义为AHI≥30。
结果:入组患者以男性居多(97.6%)。37%的患者被诊断为严重的阻塞性睡眠呼吸暂停。重度阻塞性睡眠呼吸暂停组(n = 46)比非重度组(n = 79)年龄大(P = 0.039),肥胖程度高(P = 0.003)。重度阻塞性睡眠呼吸暂停组与非重度阻塞性睡眠呼吸暂停组在SYNTAX评分(P = 0.871)、复杂病变数(P = 0.241)、血栓负荷等级(P = 0.433)方面无显著差异。调整年龄和体重指数差异的多变量分析没有改变研究结果。结论:使用三种血管造影评分系统,我们发现AHI与血管造影冠状动脉疾病表型之间没有关联,提示阻塞性睡眠呼吸暂停对急性心肌梗死患者冠状动脉斑块数量和分布的影响有限。
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