Ratio of early mitral inflow peak velocity to flow propagation velocity predicts training effects of cardiac rehabilitation in patients after acute myocardial infarction

Cheng Chih Chung, Wei Chun Huang, Kuan Rau Chiou, Ko Long Lin, Feng Yu Kuo, Chin Chang Cheng, Shih Hung Hsiao, Chun Peng Liu

研究成果: 雜誌貢獻文章

3 引文 (Scopus)

摘要

Objective: To use the ratio of early mitral inflow peak velocity (E) to mitral flow propagation velocity (FPV) measured in the early phase of myocardial infarction (early phase E/FPV) to evaluate the training effects of 8 weeks' cardiopulmonary rehabilitation in patients post-myocardial infarction. Design: Single-blinded, randomized control trial. Participants: Eighty-seven patients with acute myocardial infarction who had undergone primary coronary intervention. Methods: Participants were enrolled randomly to either the cardiac rehabilitation or the control group. The rehabilitation group followed an 8-week supervised rehabilitation programme. All patients completed exercise testing and echocardiography at both the beginning and at 8-week follow-up. Results: The value of E/FPV was significantly reduced at 8-week follow-up in the rehabilitation group (p=0.005). After cardiac rehabilitation, the increase in peak VO2 (p=0.002) and cardiac clinical outcome (composition of mortality, cardiac readmission rate, and revascularization rate) (p=0.001) were significantly greater in patients with an early phase E/FPV <1.5 than in patients with early phase E/FPV ≥1.5. There were no significant differences in the increase in peak VO2 and cardiac clinical outcome in patients with early phase E/FPV ≥ 1.5. Conclusion: Early phase E/FPV <1.5 predicts more beneficial effects of cardiac rehabilitation in post-acute myocardial infarction patients who have undergone primary coronary intervention.
原文英語
頁(從 - 到)232-238
頁數7
期刊Journal of Rehabilitation Medicine
42
發行號3
DOIs
出版狀態已發佈 - 三月 1 2010
對外發佈Yes

指紋

Myocardial Infarction
Rehabilitation
Cardiac Rehabilitation
Echocardiography
Exercise
Control Groups
Mortality

ASJC Scopus subject areas

  • Physical Therapy, Sports Therapy and Rehabilitation
  • Rehabilitation

引用此文

Ratio of early mitral inflow peak velocity to flow propagation velocity predicts training effects of cardiac rehabilitation in patients after acute myocardial infarction. / Chung, Cheng Chih; Huang, Wei Chun; Chiou, Kuan Rau; Lin, Ko Long; Kuo, Feng Yu; Cheng, Chin Chang; Hsiao, Shih Hung; Liu, Chun Peng.

於: Journal of Rehabilitation Medicine, 卷 42, 編號 3, 01.03.2010, p. 232-238.

研究成果: 雜誌貢獻文章

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keywords = "Anaerobic threshold, Echocardiography, Exercise therapy, Flow propagation velocity, Myocardial infarction, Oxygen consumption, Rehabilitation",
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AU - Chung, Cheng Chih

AU - Huang, Wei Chun

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AU - Lin, Ko Long

AU - Kuo, Feng Yu

AU - Cheng, Chin Chang

AU - Hsiao, Shih Hung

AU - Liu, Chun Peng

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N2 - Objective: To use the ratio of early mitral inflow peak velocity (E) to mitral flow propagation velocity (FPV) measured in the early phase of myocardial infarction (early phase E/FPV) to evaluate the training effects of 8 weeks' cardiopulmonary rehabilitation in patients post-myocardial infarction. Design: Single-blinded, randomized control trial. Participants: Eighty-seven patients with acute myocardial infarction who had undergone primary coronary intervention. Methods: Participants were enrolled randomly to either the cardiac rehabilitation or the control group. The rehabilitation group followed an 8-week supervised rehabilitation programme. All patients completed exercise testing and echocardiography at both the beginning and at 8-week follow-up. Results: The value of E/FPV was significantly reduced at 8-week follow-up in the rehabilitation group (p=0.005). After cardiac rehabilitation, the increase in peak VO2 (p=0.002) and cardiac clinical outcome (composition of mortality, cardiac readmission rate, and revascularization rate) (p=0.001) were significantly greater in patients with an early phase E/FPV <1.5 than in patients with early phase E/FPV ≥1.5. There were no significant differences in the increase in peak VO2 and cardiac clinical outcome in patients with early phase E/FPV ≥ 1.5. Conclusion: Early phase E/FPV <1.5 predicts more beneficial effects of cardiac rehabilitation in post-acute myocardial infarction patients who have undergone primary coronary intervention.

AB - Objective: To use the ratio of early mitral inflow peak velocity (E) to mitral flow propagation velocity (FPV) measured in the early phase of myocardial infarction (early phase E/FPV) to evaluate the training effects of 8 weeks' cardiopulmonary rehabilitation in patients post-myocardial infarction. Design: Single-blinded, randomized control trial. Participants: Eighty-seven patients with acute myocardial infarction who had undergone primary coronary intervention. Methods: Participants were enrolled randomly to either the cardiac rehabilitation or the control group. The rehabilitation group followed an 8-week supervised rehabilitation programme. All patients completed exercise testing and echocardiography at both the beginning and at 8-week follow-up. Results: The value of E/FPV was significantly reduced at 8-week follow-up in the rehabilitation group (p=0.005). After cardiac rehabilitation, the increase in peak VO2 (p=0.002) and cardiac clinical outcome (composition of mortality, cardiac readmission rate, and revascularization rate) (p=0.001) were significantly greater in patients with an early phase E/FPV <1.5 than in patients with early phase E/FPV ≥1.5. There were no significant differences in the increase in peak VO2 and cardiac clinical outcome in patients with early phase E/FPV ≥ 1.5. Conclusion: Early phase E/FPV <1.5 predicts more beneficial effects of cardiac rehabilitation in post-acute myocardial infarction patients who have undergone primary coronary intervention.

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