Document Detail

Endpoints of chronobiologic cardiovascular monitoring during pregnancy for planning exercise and assessing effects.
MedLine Citation:
PMID:  2217279     Owner:  NLM     Status:  MEDLINE    
The chronobiologic question is raised whether exercise may be indicated for the pregnant woman as a general prophylactic measure and, if so, whether it should be timed according to rhythms and stage of pregnancy. This question, recently considered by others without chronobiologic focus, is here reviewed against the background of results from ongoing chronobiologic studies of blood pressure (BP) and heart rate (HR) in pregnancy. During pregnancy, the MESORs and circadian amplitudes of systolic (S), mean arterial (MA) and diastolic (D) BP are correlated with a questionnaire-assessed cardiovascular risk score. Such results were found under noisy ordinary conditions of life without accounting for effects of activity. They are group results, and as such require further work before they can contribute to identifying individuals at high risk in particular need of intervention, such as exercise. The dependence of exercise effects upon circadian rhythms should also prompt the use of rhythmometry at all ages for timing exercise, for gauging its effects and eventually for the optimization of fitness training for the population as well as for peak performance.
J G Crakes; G Cornélissen; R Kopher; F Halberg
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Publication Detail:
Type:  Journal Article; Review    
Journal Detail:
Title:  Progress in clinical and biological research     Volume:  341A     ISSN:  0361-7742     ISO Abbreviation:  Prog. Clin. Biol. Res.     Publication Date:  1990  
Date Detail:
Created Date:  1990-11-15     Completed Date:  1990-11-15     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  7605701     Medline TA:  Prog Clin Biol Res     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  605-14     Citation Subset:  IM    
Department of Physical Education, Point Loma Nazarene College, San Diego, California.
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MeSH Terms
Blood Pressure / physiology
Cardiovascular Physiological Phenomena*
Chronobiology Phenomena / physiology*
Circadian Rhythm / physiology
Exercise / physiology*
Exercise Therapy
Heart Rate / physiology
Monitoring, Physiologic
Pregnancy / physiology*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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