Gender and circadian effects of myocardial infarctions

Clinical Nursing Research
Lea Ann Matura

Abstract

This study determines if there are differences in circadian effects of myocardial infarctions (MIs) and MI type, non-ST elevation MI (NSTEMI) and ST elevation MI (STEMI), between females and males. A two-group, nonexperimental chart review was conducted. A total of 273 randomly selected patients with an acute MI were included. Data analysis included descriptive statistics, t test and chi square to determine differences between the groups. Of the 109 females, 26% had MI symptoms begin at night, 30% in the morning, 29% in the afternoon, and 15% in the evening (p = .067). In comparison, of the 164 males, 27% had MIs at night, 30% morning, 32% afternoon, and 11% evening (p < .001). There was no circadian difference between females and males and the time of day MI-related symptoms began (p = .887) or a MItype circadian effect (p = 0.466). The majority of patients had MIs during the daytime hours.

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Citations

Jan 16, 2010·Clinical Nursing Research·Pamela Z Cacchione

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