Heart protection from COVID shots remains amid updates, study finds
摘要
一项基于美国退伍军人事务部超100万患者数据的研究发现，尽管多数美国人未接种季节性新冠疫苗，但更新版疫苗仍对心血管疾病有显著保护作用，尤其对75岁以上及有基础疾病者。研究发表于《JAMA Internal Medicine》，显示2024-2025年新冠疫苗持续降低新冠相关主要不良心血管事件风险，包括心血管死亡、心脏病发作、中风及心衰住院。该结果证实了疫苗对
Although most Americans have eschewed seasonal COVID-19 vaccines, the updated shots continue to show significant protection against cardiovascular disease, especially for those over age 75 and those with underlying medical conditions. That's according to a new study that pulled data from more than 1 million patients in a US Department of Veterans Affairs (VA) health system.
The finding builds on previous data showing that the vaccines significantly lower the risk of COVID-19-associated cardiovascular risks, particularly heart attacks and strokes. But it wasn't a given that the benefit would hold up over time—as the virus evolved, the vaccines were updated, population-level immunity increased from previous infection and vaccination, and risk of severe outcomes fell.
The new study, published in JAMA Internal Medicine, found that the 2024–2025 COVID-19 vaccine continued to protect against COVID-19-associated "major adverse cardiovascular events" (MACE), which include cardiovascular death, heart attack, stroke, and hospitalization for heart failure.
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