Key result
Female sex, prior MI, hypertension, and non-transmural anterior MI were associated with reinfarction within 3 months, which occurred in 57 (13.6%) of 420 acute myocardial infarction survivors.
Why the study?
What clinical features are associated with recurrent myocardial infarction within three months in patients surviving the acute phase of MI?
Observational (n=420)
What clinical features are associated with recurrent myocardial infarction within three months in patients surviving the acute phase of MI?
Female sex, prior MI, hypertension, non-transmural anterior MI, and negative T-waves are clinical features associated with early recurrent myocardial infarction.
These features may aid post-AMI risk stratification; leaves open whether targeted interventions reduce early reinfarction.
A retrospective investigation of 420 patients who had survived the acute phase of myocardial infarction revealed 63 reinfarctions (in 57 patients) within three months. Twenty-eight patients died without reinfarction during the same period, and 335 survived three months without reinfarction. The reinfarction patients were significantly more often women, had more frequently a history of previous myocardial infarction and hypertension, and their myocardial infarctions were more often non-transmural and localized to the anterior wall of the heart. The ECG of each patient that was registered nearest prior to the reinfarction during hospitalization or prior to discharge showed more often negative T-waves.
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Rurik Löfmark (1979) conducted an observational in Myocardial Infarction (n=420). Female sex, prior MI, hypertension, and non-transmural anterior MI were associated with reinfarction within 3 months, which occurred in 57 (13.6%) of 420 acute myocardial infarction survivors.
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