Beneficial effects of cardiac rehabilitation and exercise after percutaneous coronary intervention on hsCRP and inflammatory cytokines in CAD patients

Young-Joo Kim; Young-Oh Shin; Jun-Sang Bae; Jeong-Beom Lee; Joo-Hyun Ham; Youn-Jung Son; Jung-Kyu Kim; Chul Kim; Byoung-Kwon Lee; Jae-Keun Oh; Timothy Othman; Young-Ki Min; Hun-Mo Yang
March 2008
Pflugers Archiv European Journal of Physiology;Mar2008, Vol. 455 Issue 6, p1081
Academic Journal
Recent studies showed that tumor necrosis factor-α (TNF-α) and interleukin-6 (IL-6), as well as high-sensitive C-reactive protein (hsCRP) levels are predictive factors of cardiovascular risk. However, the effect of cardiac rehabilitation (CR) intervention in coronary artery disease (CAD) patients on these factors is not known. The aim of this study was to evaluate the effects of CR and exercise on hsCRP and inflammatory cytokine levels in patients with CAD after percutaneous coronary intervention (PCI). CAD patients who underwent PCI were divided into a CR and exercise group (CRE, n = 29) or a control group (CON, n = 10). CR and exercise consisted of 6 weeks supervised exercise training and 8 weeks home-based, self-managed exercise. Compared to pre-experimental levels, TNF-α (by 20.4%; p = 0.006) and IL-6 (by 49.0%; p < 0.0001), as well as hsCRP (by 59.4%; p < 0.0001), were markedly decreased after CR and exercise in CAD patients but not in control group, except for IL-6 (by 41.6%; p = 0.001). However, there was no significant alteration of adiposity-related variables such as BMI, percent body fat, and waist circumferences, in both groups. We suggest that CR and exercise in CAD patients after PCI induce significant reduction in hsCRP and inflammatory cytokines (TNF-α and IL-6), and marked increase in exercise tolerance and capacity.


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