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Can J Cardiol. 2010 Aug-Sep;26(7):e243-8.

Thirty-day in-hospital revascularization and mortality rates after acute myocardial infarction in seven Canadian provinces.

Author information

1
Statistics Canada, Ottawa, Ontario. helen.johansen@statcan.gc.ca

Abstract

in English, French

BACKGROUND:

Recent clinical trials have demonstrated benefit with early revascularization following acute myocardial infarction (AMI). Trends in and the association between early revascularization after (ie, 30 days or fewer) AMI and early death were determined.

METHODS AND RESULTS:

The Statistics Canada Health Person-Oriented Information Database, consisting of hospital discharge records for seven provinces from the Canadian Institute for Health Information Hospital Morbidity Database, was used. If there was no AMI in the preceding year, the first AMI visit within a fiscal year for a patient 20 years of age or older was included. Times to death in hospital and to revascularization procedures were counted from the admission date of the first AMI visit. Mixed model regression analyses with random slopes were used to assess the relationship between early revascularization and mortality. The overall rate of revascularization within 30 days of AMI increased significantly from 12.5% in 1995 to 37.4% in 2003, while the 30-day mortality rate decreased significantly from 13.5% to 10.6%. There was a linearly decreasing relationship - higher regional use of revascularization was associated with lower mortality in both men and women.

CONCLUSIONS:

These population-based utilization and outcome findings are consistent with clinical trial evidence of improved 30-day in-hospital mortality with increased early revascularization after AMI.

PMID:
20847971
PMCID:
PMC2950718
[Indexed for MEDLINE]
Free PMC Article
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