Document Detail

Blood pressure and heart rate responses in men exposed to arm and leg cold pressor tests and whole-body cold exposure.
MedLine Citation:
PMID:  16711469     Owner:  NLM     Status:  MEDLINE    
OBJECTIVES: Comparison of the effects of different types of cold exposure on blood pressure and heart rate. STUDY DESIGN: Controlled laboratory study. METHODS: Twenty healthy men were exposed to three different types of cold exposure: cold pressor tests for hands and feet, and a 2-h cold air exposure at an ambient temperature of +10 degrees C. RESULTS: All types of cold exposure caused a rise in systolic and diastolic blood pressures. Heart rate increased in the foot cold pressor test. In the cold chamber test, heart rate fell, causing a decrease in the rate:pressure product. No statistically significant correlations were found between the blood pressure responses to cold pressor and cold chamber tests. The increased rate:pressure product observed in the cold pressor tests is indicative of an increased oxygen consumption in the heart muscle. CONCLUSIONS: The measured cardiovascular responses indicate that a sudden local exposure to severe cold would be more stressful than a long lasting, milder exposure to cold, even when the latter is applied to the whole body
Ilkka Korhonen
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  International journal of circumpolar health     Volume:  65     ISSN:  1239-9736     ISO Abbreviation:  Int J Circumpolar Health     Publication Date:  2006 Apr 
Date Detail:
Created Date:  2006-05-22     Completed Date:  2006-06-15     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  9713056     Medline TA:  Int J Circumpolar Health     Country:  Finland    
Other Details:
Languages:  eng     Pagination:  178-84     Citation Subset:  IM    
Department of Physiology, University of Oulu, Finland.
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MeSH Terms
Blood Pressure / physiology*
Cold Temperature / adverse effects*
Heart Rate / physiology*

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

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