Hypotensive response magnitude and duration in hypertensives: continuous and interval exercise

Although exercise training is known to promote post-exercise hypotension, there is currently no consistent argument about the effects of manipulating its various components (intensity, duration, rest periods, types of exercise, training methods) on the magnitude and duration of hypotensive response....

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Bibliographic Details
Published in:	Arquivos brasileiros de cardiologia Vol. 104; no. 3; pp. 234 - 241
Main Authors:	Carvalho, Raphael Santos Teodoro de, Pires, Cássio Mascarenhas Robert, Junqueira, Gustavo Cardoso, Freitas, Dayana, Marchi-Alves, Leila Maria
Format:	Journal Article
Language:	English
Published:	Brazil Sociedade Brasileira de Cardiologia 01-03-2015 Sociedade Brasileira de Cardiologia - SBC Sociedade Brasileira de Cardiologia (SBC)
Subjects:	Aged Aged, 80 and over Blood Pressure - physiology Blood Pressure Monitoring, Ambulatory - methods CARDIAC & CARDIOVASCULAR SYSTEMS Exercise - physiology Exercise Test Exercise Therapy - adverse effects Exercise Therapy - methods Exercício Heart Rate - physiology Hemodynamics Hipertensão Hipotensão Pós – Exercício Humans Middle Aged Monitoração Ambulatorial da Pressão Arterial Original Post-Exercise Hypotension - etiology Post-Exercise Hypotension - physiopathology Pressão Arterial Reference Values Statistics, Nonparametric Time Factors Treatment Outcome Blood Pressure Hypertension Exercício Exercise Blood Pressure Monitoring Hipotensão Pós – Exercício Post-Exercise Hypotension Monitoração Ambulatorial da Pressão Arterial Hipertensão Ambulatory Pressão Arterial
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Summary:	Although exercise training is known to promote post-exercise hypotension, there is currently no consistent argument about the effects of manipulating its various components (intensity, duration, rest periods, types of exercise, training methods) on the magnitude and duration of hypotensive response. To compare the effect of continuous and interval exercises on hypotensive response magnitude and duration in hypertensive patients by using ambulatory blood pressure monitoring (ABPM). The sample consisted of 20 elderly hypertensives. Each participant underwent three ABPM sessions: one control ABPM, without exercise; one ABPM after continuous exercise; and one ABPM after interval exercise. Systolic blood pressure (SBP), diastolic blood pressure (DBP), mean arterial pressure (MAP), heart rate (HR) and double product (DP) were monitored to check post-exercise hypotension and for comparison between each ABPM. ABPM after continuous exercise and after interval exercise showed post-exercise hypotension and a significant reduction (p < 0.05) in SBP, DBP, MAP and DP for 20 hours as compared with control ABPM. Comparing ABPM after continuous and ABPM after interval exercise, a significant reduction (p < 0.05) in SBP, DBP, MAP and DP was observed in the latter. Continuous and interval exercise trainings promote post-exercise hypotension with reduction in SBP, DBP, MAP and DP in the 20 hours following exercise. Interval exercise training causes greater post-exercise hypotension and lower cardiovascular overload as compared with continuous exercise.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 ObjectType-Undefined-3
ISSN:	0066-782X 1678-4170 1678-4170
DOI:	10.5935/abc.20140193