Key result
Suspected ACS hospitalization rates rose ~25% between 1990 and 2000.
Observational (n=225,512)
Despite falling admission rates for acute myocardial infarction, total hospitalisations for suspected acute coronary syndromes rose by 25% over a decade due to significant increases in admissions for angina and chest pain.
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Rising suspected ACS hospitalizations despite falling MI rates may reflect diagnostic shifts; leaves open drivers of non-MI trends and care implications.
Although hospital discharge rates for acute myocardial infarction are falling, [1][2][3][4] no contemporary studies compare temporal trends in these rates for angina and other types of chest pain. We examined recent trends in population discharge rates for myocardial infarction, angina, and chest pain ("suspected acute coronary syndromes") between 1990 and 2000.
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Murphy et al. (2004) conducted an observational in Suspected acute coronary syndromes (n=225,512). Time period 1990-2000 vs. Baseline (1990) was evaluated on Population discharge rate for any suspected acute coronary syndrome per 100,000 (average change per year 8.9, 95% CI 6.0-11.8). Between 1990 and 2000, the population hospitalisation rate for any suspected acute coronary syndrome increased by 25%, from 460 to 574 per 100,000.
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