Exercise training improves ambulatory blood pressure but not arterial stiffness in heart transplant recipients

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Arquivos
art_PASCOALINO_Exercise_training_improves_ambulatory_blood_pressure_but_not_2015.PDF (731.57 KB)
Citações na Scopus
25
Tipo de produção
article
Data de publicação
2015
DOI
Scopus
Web of Science
PubMed
Título da Revista
ISSN da Revista
Título do Volume
Editora
ELSEVIER SCIENCE INC
Autores
CIOLAC, Emmanuel Gomes
Citação
JOURNAL OF HEART AND LUNG TRANSPLANTATION, v.34, n.5, p.693-700, 2015
Projetos de Pesquisa
Unidades Organizacionais
Fascículo
Resumo
BACKGROUND: Hypertension is the most prevalent comorbidity after heart transplantation (HT). Exercise training (ET) is widely recommended as a key non-pharmacologic intervention for the prevention and management of hypertension, but its effects on ambulatory blood pressure (ABP) and some mechanisms involved in the pathophysiology of hypertension have not been studied in this population. The primary purpose of this study was to investigate the effects of ET on ABP and arterial stiffness of HT recipients. METHODS: 40 HT patients, randomized to ET (n = 31) or a control group (n = 9) underwent a maximal graded exercise test, 24-hour ABP monitoring, and carotid-femoral pulse wave velocity (PWV) assessment before the intervention and at a 12-week follow-up assessment. The ET program was performed thrice-weekly and consisted primarily of endurance exercise (40 minutes) at similar to 70% of maximum oxygen uptake (Vo(2MAX)) RESULTS: The ET group had reduced 24-hour (4.0 +/- 1.4 mm Hg, p < 0.01) and daytime (4.8 +/- 1.6 mm Hg, p < 0.01) systolic ABP, and 24-hour (7.0 +/- 1.4 mm Hg, p < 0.001) daytime (7.5 +/- 1.6 mm Hg, p < 0.001) and nighttime (5.9 +/- 1.5 mm Hg, p < 0.001) diastolic ABP after the intervention. The ET group also had improved Vo(2MAX) (9.7% +/- 2.6%, p < 0.001) after the intervention. However, PWV did not change after ET. No variable was changed in the control group after the intervention. CONCLUSIONS: The 12-week ET program was effective for reducing ABP but not PWV in heart transplant recipients. This result suggesfs that endurance ET may be a tool to counteract hypertension in this high-risk population.
Palavras-chave
arterial stiffness, blood pressure, exercise, heart transplantation, hypertension, rehabilitation
URI
https://observatorio.fm.usp.br/handle/OPI/9705
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Coleções
Artigos e Materiais de Revistas Científicas - FM/MCP
Artigos e Materiais de Revistas Científicas - HC/ICESP
Artigos e Materiais de Revistas Científicas - HC/InCor
Artigos e Materiais de Revistas Científicas - LIM/11