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ORIGINAL ARTICLES  SPORT CARDIOLOGY 

The Journal of Sports Medicine and Physical Fitness 2016 March;56(3):311-18

Copyright © 2016 EDIZIONI MINERVA MEDICA

lingua: Inglese

Short-term results of a 5-week comprehensive cardiac rehabilitation program after first-time myocardial infarction

Luca FALLAVOLLITA, Bruno MARSILI, Sandro CASTELLI, Francesca CUCCHI, Elpidio SANTILLO, Luciano MARINI, Fabrizio BALESTRINI

Italian National Institute of Research on Aging, Fermo, Italy


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BACKGROUND: A prospective single-center interventional cohort study was conducted to evaluate the effects of a 5-week comprehensive cardiac rehabilitation program on terms exercise capacity, quality of life, echocardiographic findings and autonomic modulation after first-time myocardial infarction.
METHODS: We studied 37 consecutive post-myocardial infartion patients (mean age 66 years). All patients began a 5-week cardiac rehabilitation supervised training. The exercise program consisted of 40 minutes of training, three times a week, on a cycle ergometer at 60-80% of the maximal heart rate. At baseline and after training program we analyzed: the distance walked after the Six-Minutes Walking Test (6MWT); quality of life (QoL) assesed using the Psychological General Well-Being Inventory (PGWBI) questionnaire; echocardiographic finding and autonomic balance assesed heart rate variability (HRV).
RESULTS: We observed statistically significant improvement in exercise capacity (from 423±94 to 496±13 m; P<0.05). Also we observed statistically significant improvements in the many PGWBI dimensions; particularly, anxiety +5.8% (from 18.11±5.2 to 19.12±4.4); depression +6.0% (from 12.00±3.0 to 12.73±2.4); positive well-being +6% (from 11.55±3.5 to 12.23±4.0); general health +10.3% (from 9.48±3.5 to 10.46±2.87); vitality +6.8% (from 12.96±4.2 to 13.85±4.2). Finally, we observed changes in HRV indices after training program: RR (from 903±169 ms to 952±163 ms;P<0.05), pNN50% (from 4.74±4.89 to 6.23±5.53; P<0.05), in time-domain; LF (from 274±169 to 362±233 ms2; P<0,05); HF (from 214±154 to 314±194 ms2; P<0.05) and LF/HF (from 1.53±0.54 to 1.24±0.47; P<0.05) in frequency-domain.
CONCLUSIONS: The study suggest that a cardiac rehabilitation program in postmyocardial infarction improves exercise capacity, QoL and autonomic modulation.

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