Predischarge early exercise therapy in patients with acute myocardial infarction on the basis of anaerobic threshold(AT)

被引用文献6件
  • TANIGUCHI K.
    Second Department of Internal Medicine, Tokyo Medical Dental University
  • ITOH HARUKI
    Department of Internal Medicine, Chiba Shakai-Hoken Hospital
  • YAJIMA TAKASHI
    Department of Internal Medicine, Musashino Red-Cross Hospital
  • DOI MAYUMI
    Department of Internal Medicine, Musashino Red-Cross Hospital
  • NIWA AKIHIRO
    Department of Internal Medicine, Musashino Red-Cross Hospital
  • MARUMO FUMIAKI
    Second Department of Internal Medicine, Tokyo Medical Dental University

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The aim of this study was to assess the effectivenss of an early predischarge exercise therapy, started 2 weeks following acute myocardial infarction (AMI), to working functional capacity. Seventeen AMI patients (10 males, 7 females, mean age 62±11 years) were examined in this study. Six, serious clinical symptoms and complications, were excluded, while the remaining 11 patients completed, the ewhole exercise therapy protocol (2 weeks). Patients performed exercise performed for 20-30 min twice daily at a target heart rate (90% level of heart rate at AT) on the basis of anaerobic threshold (AT) determined using treadmill ramp exercise with our protocol. Heart rates (HR) at rest, warming-up and AT point decreased sigificantly (p<0.05) after exercise therapy, although peak HR remained unchanged. O_2 pulse at the AT point and endpoint, after exercise therapy, improved significantly (p<0.05), when compared to that before therapy. Moreover, AT and peak Vo_2 improved remarkably (p<0.05), as did exercise time to the AT point and endpoint after exercise therapy (p<0.05), when compared to that before therapy. These results indicate that the predischarge early exercise therapy begun 2 weeks after AMI will be effective and beneficial in improving working capacity with improvement of physical deconditioning. Additionally, it is necessary that patients with severe clinical symptoms and complications be excluded.

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