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  • Title: [Effects of rehabilitation on cardiovascular autonomic function in ischemic cardiopathy].
    Author: Galetta F, Puccini E, Lunardi M, Stella SM, Rossi M, Cini G, Prattichizzo F.
    Journal: Recenti Prog Med; 1994 Dec; 85(12):566-9. PubMed ID: 7899678.
    Abstract:
    METHODS: Twenty patients with uncomplicated myocardial infarction randomized in two groups (group 1 and 2) of ten patients were investigated. Only group 1 trained four months according to a protocol of rehabilitation, whereas patients of group 2 followed their usual activity (control group). The autonomic cardiovascular function was estimated by Ewing's tests, that evaluate the variations of heart rate and blood pressure during deep breathing. RESULTS: Our data showed an increase of parasympathetic tone in group 1 (Valsalva ratio 1.55 +/- 0.28 vs 1.36 +/- 0.28, p < 0.01; variation in heart rate during deep breathing 17.3 +/- 4.6 vs 13.3 +/- 4.2). The sympathetic activity tests showed no significant difference after training. On the other hand, group 2 showed no significant difference in sympathetic and parasympathetic activity. CONCLUSIONS: In patients with uncomplicated myocardial infarction physical training increases the parasympathetic activity; as shown in the literature, such an increase can have clinical and prognostic importance, since improves cardiac performance and reduces the risk of sudden death from arrhythmic events.
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