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Updated: May 7, 2026

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在高危患者中接种流感疫苗和重大血管不良事件
Jennie Johnstone1, Mark Loeb, Koon K Teo
1Department of Medicine, McMaster University, Hamilton, ON, Canada. johnsj48@mcmaster.ca
Circulation
|June 21, 2012
概括
接种流感疫苗可以减少老年人主要的血管不良事件,当疫苗与循环菌株相匹配时. 然而,潜在的偏见需要进一步研究,就像随机试验一样,才能得出明确的结论.
科学领域:
- 心脏病学 心脏病学
- 传染性疾病 传染性疾病
- 流行病学 流行病学
背景情况:
- 流感疫苗接种与重大血管不良事件 (MAVE) 之间的关联需要进一步调查.
- 患有先前存在的血管疾病的老年人是这项研究的关键人口.
研究的目的:
- 确定流感疫苗接种与55岁及以上已知血管疾病的个体中MAVE之间的关联.
- 评估疫苗的有效性是否根据疫苗抗原与流通的流感菌株之间的匹配而有所不同.
主要方法:
- 这是一项大规模的观察性研究,涉及40个国家的31546名参与者.
- 在四个流感季节 (2003年至2007年) 收集的数据,重点关注心血管死亡,心肌梗塞和中风作为主要结局.
- 使用统计分析,包括调整的几率比率 (OR) 和置信区间 (CI),来评估相关性,并使用灵敏度分析来测试偏差.
主要成果:
- 在疫苗和循环菌株匹配的三个季节 (2004-2007) 中,流感疫苗接种与MAVE风险降低有关.
- 由于疫苗和流通的流感菌株之间的不匹配,在2003-2004赛季没有观察到任何显著的关联.
- 敏感性分析显示了潜在的偏差,在流感和非流感季节观察到类似的风险降低,这表明存在混因素.
结论:
- 虽然初步发现表明,在相匹配的季节,流感疫苗接种对MAVE的保护作用,但潜在的偏差使得最终的结论变得复杂.
- 建议进行随机对照试验,以明确确定流感疫苗接种和MAVE之间的因果关系.
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