Key result
Baroreflex control of vascular resistance and heart rate was impaired in the early convalescent phase of acute myocardial infarction compared to the late convalescent phase.
Why the study?
Is baroreflex control of vascular resistance and heart rate impaired in the early convalescent phase of acute myocardial infarction compared to the late convalescent phase?
Population
11 patients with acute myocardial infarction
Comparison
Assessment in the early convalescent phase vs Assessment in the late convalescent phase
Design
Cohort
Follow-up
mean 41 days
Authors
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Transient baroreflex impairment may heighten early post-MI vulnerability; leaves open need for prospective autonomic recovery trials.
Observational (n=11)
Is baroreflex control of vascular resistance and heart rate impaired in the early convalescent phase of acute myocardial infarction compared to the late convalescent phase?
Baroreflex control of vascular resistance and heart rate is transiently impaired in the early convalescent phase of acute myocardial infarction.
Imaizumi et al. (1984) conducted an observational in Acute myocardial infarction (n=11). Early convalescent phase vs. Late convalescent phase was evaluated on Reflex forearm vasoconstriction and slope of regression line relating systolic blood pressure and RR interval. Baroreflex control of vascular resistance and heart rate was impaired in the early convalescent phase of acute myocardial infarction compared to the late convalescent phase.
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