Prognostic Impact of Snow Shoveling for Patients with Acute Myocardial Infarction

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  • Senoo Maiko
    Department of Cardiology, Hirosaki University Graduate School of Medicine
  • Yokoyama Hiroaki
    Department of Cardiology, Hirosaki University Graduate School of Medicine
  • Kato Tomo
    Department of Cardiology, Hirosaki University Graduate School of Medicine
  • Kudo Natsumi
    Department of Cardiology, Hirosaki University Graduate School of Medicine
  • Yokono Yoshikazu
    Department of Cardiology, Hirosaki University Graduate School of Medicine
  • Tsushima Michiko
    Department of Cardiology, Hirosaki University Graduate School of Medicine
  • Toyama Yuichi
    Department of Cardiology, Hirosaki University Graduate School of Medicine
  • Narita Noritomo
    Department of Cardiology, Hirosaki University Graduate School of Medicine
  • Narita Masato
    Department of Cardiology, Hirosaki University Graduate School of Medicine
  • Tomita Hirofumi
    Department of Cardiology, Hirosaki University Graduate School of Medicine

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Background: It remains uncertain whether snow shoveling has effects on long-term prognosis in patients with acute myocardial infarction（AMI）.<br> Patients/Methods: Consecutive 355 patients who underwent emergency percutaneous coronary intervention within 24 hours of the AMI onset during the winter months（November to March）between 2008 and 2014 years were retrospectively studied.<br> Results: Of the 355 patients, 36（11%）had snow shoveling-related AMI, defined as the AMI onset during or within 6 hours after snow shoveling. These patients suffered fewer adverse cardiovascular events than the non-snow shoveling AMI patients during a median follow-up period of 3.8 years. Notably, snow shoveling did not affect the events for patients with left ventricular ejection fraction（LVEF) > 40% at the acute phase, but it was a significant better predictor of events for those with LVEF ≥ 40%.<br> Conclusion: Snow shoveling may have important clinical implications for the AMI onset and the prognostic outcome in snowy areas.

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  • 弘前医学

    弘前医学 69 (1-4), 136-145, 2019-03-15

    弘前大学大学院医学研究科・弘前医学会

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