| Blood pressure rise with swimming versus walking in older women: the Sedentary Women Exercise Adherence Trial 2 (SWEAT 2). | |
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MedLine Citation:
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PMID: 16508577 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: Swimming is often recommended in the prevention and treatment of hypertension. Few studies have investigated the effect of swimming training on blood pressure (BP). Our objective was to evaluate 6 months of supervised moderate swimming or walking on BP in previously sedentary, normotensive, older women. DESIGN: Women aged 50-70 years (n = 116) were randomly assigned to a supervised 6-month swimming or walking programme. They were further randomized to receive usual care or a behavioural intervention package. METHODS: Exercise comprised 3 sessions/week with a warm-up, cool down, and 30-min of moderate intensity walking or swimming. BP was recorded for 20 min supine, and 5 min standing. Assessments were made at 0 and 6 months. RESULTS: At baseline, mean supine BP (+/- SD) was 115.7 +/- 1.3/66.8 +/- 0.7 mmHg. Swimming improved swim distance by 78.1 m (29.3%) [95% confidence interval (CI); 66.7, 89.4] and walk time by 0.58 min (3.8%) (0.41, 0.74). Walking decreased walk time by 1.0 min (6.5%) (0.81, 1.19). After adjustment for initial BP, age, hypertension treatment status and change in weight, swimming increased supine and standing systolic BP relative to walking by 4.4 mmHg (1.2, 7.5) (P = 0.008) and 6.0 mmHg (2.6, 9.5) (P = 0.001), respectively. Supine and standing diastolic BP increased by 1.4 mmHg (-0.14, 3.0) (P = 0.07) and 1.8 mmHg (-0.02, 3.5) (P = 0.05), respectively. CONCLUSION: Relative to moderately paced walking, regular swimming significantly elevates BP in previously sedentary, normotensive, older women. This finding may have important implications for exercise prescription in older subjects. |
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Authors:
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Kay L Cox; Valerie Burke; Lawrence J Beilin; J Robert Grove; Brian A Blanksby; Ian B Puddey |
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Publication Detail:
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Type: Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Journal of hypertension Volume: 24 ISSN: 0263-6352 ISO Abbreviation: J. Hypertens. Publication Date: 2006 Feb |
Date Detail:
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Created Date: 2006-03-01 Completed Date: 2006-03-31 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 8306882 Medline TA: J Hypertens Country: England |
Other Details:
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Languages: eng Pagination: 307-14 Citation Subset: IM |
Affiliation:
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School of Medicine and Pharmacology, University of Western Australia, Western Australian Institute for Medical Research, Perth, Western Australia. KayCox@cyllene,uwa.edu.au |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Aged Blood Pressure* Exercise* Female Heart Rate Humans Middle Aged Physical Fitness Swimming* Walking* |
| Comments/Corrections | |
Comment In:
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J Hypertens. 2006 Feb;24(2):269-72
[PMID:
16508569
]
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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