Document Detail


Association Between Postexercise Hypotension and Long-term Training-Induced Blood Pressure Reduction: A Pilot Study.
MedLine Citation:
PMID:  22673537     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
OBJECTIVE:: The interindividual variability in the efficacy of regular endurance exercise to lower blood pressure is high. Therefore, to optimize training prescriptions, predictors would be desirable. The main hypothesis of the present study is an association between postexercise hypotension after an exhaustive exercise test and chronic blood pressure reductions in response to an endurance training program. DESIGN:: Uncontrolled prospective training study. SETTING:: University department. PARTICIPANTS:: Healthy untrained subjects were recruited by flyers. Inclusion criteria were age 30 to 60 years, body mass index 25 to 35 kg/m, untrained status (<1 hour/week regular activity; V[Combining Dot Above]O2max < 45 mL·min·kg), blood pressure 150/95 mm Hg, nonsmoker; 14 subjects were included, 12 could be analyzed. INTERVENTION:: Walking/running 4 times per week at 60% heart rate reserve for 4 weeks. MAIN OUTCOME MEASURES:: Difference in blood pressure from the initial resting value to 1 and 24 hours after the initial test (acute) and the resting value before the final test (chronic), respectively. RESULTS:: Initial resting systolic blood pressure was 134 ± 18 mm Hg. Values were significantly reduced at all time points thereafter (1 hour: 125 ± 13 mm Hg; 24 hours: 128 ± 12 mm Hg; final: 125 ± 18 mm Hg). Acute and chronic changes correlated significantly (1 hour: P = 0.003; r = 0.77; 24 hours: P = 0.017; r = 0.67). Results for diastolic blood pressure were comparable yet less pronounced. CONCLUSIONS:: The magnitude of postexercise hypotension is a promising candidate for the prediction of individual blood pressure-related training efficacy. Easily determined, it might be used to improve training prescriptions. However, further studies are needed to assess predictive accuracy.
Authors:
Anne Hecksteden; Teresa Grütters; Tim Meyer
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-6-5
Journal Detail:
Title:  Clinical journal of sport medicine : official journal of the Canadian Academy of Sport Medicine     Volume:  -     ISSN:  1536-3724     ISO Abbreviation:  -     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-6-7     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9103300     Medline TA:  Clin J Sport Med     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Institute of Sports and Preventive Medicine, University of Saarland, Saarbruecken, Germany.
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