Predischarge Early Exercise Therapy in Patients with Acute Myocardial Infarction on the Basis of Anaerobic Threshold (AT) : 53rd Annual Scienific Seeesion of the Japanese Circulation Society

概要

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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.
社団法人日本循環器学会の論文
1990-11-20