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Time to presentation with acute myocardial infarction in the elderly - Associations with race, sex, and socioeconomic characteristics
Time to presentation with acute myocardial infarction in the elderly - Associations with race, sex, and socioeconomic characteristics CIRCULATION Sheifer, S. E., Rathore, S. S., Gersh, B. J., Weinfurt, K. P., Oetgen, W. J., Breall, J. A., Schulman, K. A. 2000; 102 (14): 1651–56Abstract
Although prompt treatment is a cornerstone of the management of acute myocardial infarction (AMI), prior studies have shown that one fourth of AMI patients arrive at the hospital >6 hours after symptom onset. It would be valuable to identify individuals at highest risk for late arrival, but predisposing factors have yet to be fully characterized.Data from the Cooperative Cardiovascular Project, involving Medicare beneficiaries aged >65 years hospitalized between January 1994 and February 1996 with confirmed AMI, were used to identify patients who presented "late" (>/=6 hours after symptom onset). Patient characteristics were tested for associations with late presentation by use of backward stepwise logistic regression. Among 102 339 subjects, 29.4% arrived late. Significant predictors of late arrival (odds ratio, 95% CI) included diabetes (1.11, 1.07 to 1.14) and a history of angina (1.32, 1.28 to 1.35), whereas prior MI (0.82, 0.79 to 0.85), prior angioplasty (0.80, 0.75 to 0.85), prior bypass surgery (0.93, 0.89 to 0.98), and cardiac arrest (0.52, 0.46 to 0. 58) predicted early presentation. Additionally, initial evaluation at an outpatient clinic (2.63, 2.51 to 2.75) and daytime presentation (1.67, 1.59 to 1.72) predicted late arrival. Finally, female sex, black race, and poverty, which were evaluated with an 8-level race-sex-socioeconomic status interaction term, were also risk factors for delay.Delayed hospital presentation is a common problem among Medicare beneficiaries with AMI. Factors associated with delay include not only clinical and logistical issues but also race, sex, and socioeconomic characteristics. Education efforts designed to hasten AMI treatment should be directed at individuals with risk factors for late arrival.
View details for DOI 10.1161/01.CIR.102.14.1651
View details for Web of Science ID 000089593000011
View details for PubMedID 11015343