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Influence of seasons on the management and outcomes acute myocardial infarction: An 18-year US study.


ABSTRACT: BACKGROUND:There are limited data on the seasonal variation in acute myocardial infarction (AMI) in the contemporary literature. HYPOTHESIS:There would be decrease in the seasonal variation in the management and outcomes of AMI. METHODS:Adult (>18?years) AMI admissions were identified using the National Inpatient Sample (2000-2017). Seasons were classified as spring, summer, fall, and winter. Outcomes of interest included prevalence, in-hospital mortality, use of coronary angiography, and percutaneous coronary intervention (PCI). Subgroup analyses for type of AMI and patient characteristics were performed. RESULTS:Of the 10 880?856 AMI admissions, 24.3%, 22.9%, 22.2%, and 24.2% were admitted in spring, summer, fall, and winter, respectively. The four cohorts had comparable age, sex, race, and comorbidities distribution. Rates of coronary angiography and PCI were slightly but significantly lower in winter (62.6% and 40.7%) in comparison to the other seasons (64-65% and 42-43%, respectively) (P?

SUBMITTER: Vallabhajosyula S 

PROVIDER: S-EPMC7533976 | biostudies-literature | 2020 Aug

REPOSITORIES: biostudies-literature

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Influence of seasons on the management and outcomes acute myocardial infarction: An 18-year US study.

Vallabhajosyula Saraschandra S   Patlolla Sri Harsha SH   Cheungpasitporn Wisit W   Holmes David R DR   Gersh Bernard J BJ  

Clinical cardiology 20200806 10


<h4>Background</h4>There are limited data on the seasonal variation in acute myocardial infarction (AMI) in the contemporary literature.<h4>Hypothesis</h4>There would be decrease in the seasonal variation in the management and outcomes of AMI.<h4>Methods</h4>Adult (>18 years) AMI admissions were identified using the National Inpatient Sample (2000-2017). Seasons were classified as spring, summer, fall, and winter. Outcomes of interest included prevalence, in-hospital mortality, use of coronary a  ...[more]

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