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Flu vaccine and MI. (Clinical Capsules).

Influenza is thought to be a possible precipitant of cardiac events, but vaccination does not protect older adults against recurrent cardiac events, according to the results of an observational study.

Vaccination was not significantly associated with the risk of recurrent coronary events in 127 patients who experienced such events during the 2.3-year study of 1,378 patients who had survived at least 90 days after being discharged for a first myocardial infarction, Dr. Lisa A. Jackson of the University of Washington, Seattle, and her colleagues reported (Am. J. Epidemiol. 156[7]:634-40, 2002).

The findings contradict those from two previous studies, but in those, the magnitude of risk reduction suggests that vaccination was not the only factor contributing to reduced risk, Dr. Jackson and her associates said. Nonetheless, other benefits of influenza vaccination in the elderly are well documented, and vaccination as per current guidelines is recommended.
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Title Annotation:myocardial infarction, the medical term for heart attack
Author:Worcester, Sharon
Publication:Internal Medicine News
Article Type:Brief Article
Date:Mar 15, 2003
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