Influence of Dynamic Training on Hemodynamic, Neurohormonal Responses to Static Exercise and on Inflammatory Markers in Patients After Coronary Artery Bypass Grafting
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概要
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Background: Little is known about the influence of dynamic training on the hemodynamic and neurohormonal responses to static exercise and on inflammatory markers in optimally treated post-coronary artery bypass grafting (CABG) patients. Methods and Results: One hundred and twenty male patients, aged 55±6 years, 3 months after receiving CABG, were randomized to either 6 weeks of aerobic training on a cycloergometer, 3 times a week, at a 70-80% of the maximum tolerated heart rate (HR) (training group, n=60) or to a control group (n=60). At baseline and at the end of the study, all patients underwent: (1) a cardiopulmonary test; (2) handgrip at 30% of maximal voluntary contraction for 3min in a sitting position during in which HR, blood pressure (BP), stroke volume (SV, by impedance cardiography), cardiac output (CO) and total peripheral resistance (TPR) were monitored; and (3) plasma level assessment of catecholamines, nitric oxide and inflammatory markers. During the final tests, handgrip-induced increases in HR, BP, and TPR (14% vs 27%, P<0.01) were lower, whereas SV and CO were higher (by 13% and 15%, respectively, P<0.05) in trained patients compared with controls. Moreover, a higher increase in nitric oxide level (46% vs 14%, P<0.01) and a lower increase in noradrenaline (11% vs 20%, P<0.05) were observed in trained patients compared with controls. Accordingly, training caused significant improvement in peak oxygen uptake per kilogram body weight (peak VO2) and inflammatory markers. Conclusions: Short-term dynamic training caused significant improvement of hemodynamic and neurohormonal responses to handgrip, cardiovascular fitness and inflammatory state. (Circ J 2010; 74: 2598-2604)
- 社団法人 日本循環器学会の論文
- 2010-11-25
著者
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Bilinska Maria
Department Of Cardiac Rehabilitation And Noninvasive Electrocardiology Institute Of Cardiology
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KOSYDAR-PIECHNA Magdalena
Department of Cardiac Rehabilitation and Noninvasive Electrocardiology, Institute of Cardiology
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GASIOROWSKA Anna
Department of Applied Physiology, Mossakowski Medical Research Centre, Polish Academy of Sciences
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MIKULSKI Tomasz
Department of Applied Physiology, Mossakowski Medical Research Centre, Polish Academy of Sciences
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PIOTROWSKI Walerian
Department of Epidemiology, Cardiovascular Disease Prevention and Health Promotion, Institute of Car
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NAZAR Krystyna
Department of Applied Physiology, Mossakowski Medical Research Centre, Polish Academy of Sciences
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PIOTROWICZ Ryszard
Department of Cardiac Rehabilitation and Noninvasive Electrocardiology, Institute of Cardiology
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Nazar Krystyna
Department Of Applied Physiology Mossakowski Medical Research Centre Polish Academy Of Sciences
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Mikulski Tomasz
Department Of Applied Physiology Mossakowski Medical Research Centre Polish Academy Of Sciences
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Gasiorowska Anna
Department Of Applied Physiology Mossakowski Medical Research Centre Polish Academy Of Sciences
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Piotrowicz Ryszard
Department Of Cardiac Rehabilitation And Noninvasive Electrocardiology Institute Of Cardiology
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Piotrowski Walerian
Department Of Epidemiology Cardiovascular Disease Prevention And Health Promotion Institute Of Cardi
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Kosydar-piechna Magdalena
Department Of Cardiac Rehabilitation And Noninvasive Electrocardiology Institute Of Cardiology
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