Vol 14, No 4 (2007)
Original articles
Published online: 2007-06-11

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The influence of physical rehabilitation on arterial compliance in patients after myocardial infarction

Ewa Trzos, Małgorzata Kurpesa, Tomasz Rechciński, Karina Wierzbowska-Drabik, Maria Krzemińska-Pakuła
Cardiol J 2007;14(4):366-371.


Background: The aim of this study was to determine the effect of 6-week physical training on the mechanical properties of the arteries, in patients (pts) after acute myocardial infarction (MI).
Methods: The group under investigation consisted 119 pts after their first acute MI qualified for the second stage of post-hospital training. Only 64 pts (Group 1) underwent the training program. The remaining 55 pts (Group 2) could not participate in it. All the pts underwent an initial exercise test, an ultrasound cardiac scan and a pulse wave velocity (PWV) measurement by means of the COMPLIOR system. Group 1 underwent cardiac rehabilitation program according to Model A or B, depending on exercise tolerance at baseline. Then, both groups had another exercise test and another PWV measurement. Additional PWV measurements were taken in both groups after 6 months.
Results: Both groups were comparable with respect to demographic data, the site of MI, the method of treatment, left ventricular function, mean exercise time, the workload attained and mean PWV values at baseline (12.8 ± 1.6 m/s vs. 12.2 ± 2.7 m/s). In group 1 a significant increase in exercise capacity was observed: from 6.46 ± 2.7 to 8.95 ± 2.16 MET, and the PWV values were significantly lowered from 12.8 ± 1.6 to 8.7 ± 1.8 m/s. Group 2 showed only a slight lowering of PWV from 12.2 ± 2.7 to 10.8 ± 2.3 m/s.
Conclusions: Controlled physical training after MI significantly improves systemic arterial compliance, probably through improving the endothelial function. (Cardiol J 2007; 14: 366-371)

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