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Effects of an exercise program on blood pressure in patients with treated hypertension and chronic Chagas' heart disease.
MedLine Citation:
PMID:  23295877     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
INTRODUCTION: Previous studies describe an imbalance of the autonomic nervous system in Chagas' disease causing increased sympathetic activity, which could influence the genesis of hypertension. However, patients undergoing regular physical exercise could counteract this condition, considering that exercise causes physiological responses through autonomic and hemodynamic changes that positively affect the cardiovascular system. This study aimed to evaluate the effects of an exercise program on blood pressure in hypertensive patients with chronic Chagas' heart disease.
METHODS: We recruited 17 patients to a 24-week regular exercise program and used ambulatory blood pressure monitoring before and after training. We determined the differences in the systolic blood pressure (SBP), diastolic blood pressure (DBP), and mean blood pressure (MBP) from the beginning to the end of the study.
RESULTS: The blood pressures were evaluated in general and during periods of wakefulness and sleep, respectively: SBP (p = 0.34; 0.23; 0.85), DBP (p = 0.46; 0.44; 0.94) and MBP (p = 0.41; 0.30; 0.97).
CONCLUSIONS: There was no statistically significant change in blood pressure after the 24-week exercise program; however, we concluded that physical training is safe for patients with chronic Chagas' disease, with no incidence of increase in blood pressure.
Authors:
Claudia Rosa de Oliveira; Andréa Silvestre de Sousa; Bráulio Santos; Paloma Hargreaves Fialho; Carla Cristiane Soares Dos Santos; Juliana Rega de Oliveira; Marcus Vinícius Souza
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Revista da Sociedade Brasileira de Medicina Tropical     Volume:  45     ISSN:  1678-9849     ISO Abbreviation:  Rev. Soc. Bras. Med. Trop.     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2013-01-08     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7507456     Medline TA:  Rev Soc Bras Med Trop     Country:  Brazil    
Other Details:
Languages:  eng     Pagination:  727-31     Citation Subset:  IM    
Affiliation:
Serviço de Fisioterapia, Instituto Nacional de Cardiologia, Rio de Janeiro, RJ.
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