Document Detail


Effect of social support on nocturnal blood pressure dipping.
MedLine Citation:
PMID:  17991817     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: To determine if nocturnal blood pressure (BP) dipping among non-Hispanic blacks is influenced by social support. Non-Hispanic blacks have higher rates of cardiovascular morbidity and mortality from hypertension and are more likely to have ambulatory blood pressure (ABP) that remains high at night (nondipping). METHODS: A total of 68 non-Hispanic black normotensive and 13 untreated hypertensive participants (age 72 +/- 10 years, 48% female) free of clinical cardiovascular disease completed 24-hour ABP monitoring and a questionnaire that included a modified version of the CARDIA Study Social Support Scale (CSSS). Nondipping was defined as a decrease of <10% in the ratio between average awake and average asleep systolic BP. Analyses were adjusted for age, gender, and systolic BP. RESULTS: The prevalence of nondipping was 26.8% in subjects in the highest CSSS tertile versus 41.1% in the lowest CSSS tertile (p = .009). On adjusted analysis, CSSS was analyzed as a continuous variable and remained independently and inversely associated with nondipping (odds ratio 0.27, 95% Confidence Interval 0.08-0.94, p = .04). CONCLUSIONS: Social support may be an important predictor of BP dipping at night. These findings suggest that social support may have positive health affects through physiologic (autonomic) pathways.
Authors:
Carlos J Rodriguez; Matthew M Burg; Joyce Meng; Thomas G Pickering; Zhezhen Jin; Ralph L Sacco; Bernadette Boden-Albala; Shunichi Homma; Marco R Di Tullio
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't     Date:  2007-11-08
Journal Detail:
Title:  Psychosomatic medicine     Volume:  70     ISSN:  1534-7796     ISO Abbreviation:  Psychosom Med     Publication Date:  2008 Jan 
Date Detail:
Created Date:  2008-01-15     Completed Date:  2008-06-04     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0376505     Medline TA:  Psychosom Med     Country:  United States    
Other Details:
Languages:  eng     Pagination:  7-12     Citation Subset:  IM    
Affiliation:
Division of Cardiology, Columbia University, 622 W 168th Street, PH 3-342, New York, NY 10032, USA. cjr10@columbia.edu
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MeSH Terms
Descriptor/Qualifier:
African Continental Ancestry Group*
Aged
Aged, 80 and over
Autonomic Nervous System / physiology
Blood Pressure / physiology*
Case-Control Studies
Circadian Rhythm*
Cross-Sectional Studies
Female
Humans
Hypertension / physiopathology,  psychology
Male
Middle Aged
Social Support*
Grant Support
ID/Acronym/Agency:
K23 HL079343-01A2/HL/NHLBI NIH HHS; K24 NS02241/NS/NINDS NIH HHS; P01 HL47540/HL/NHLBI NIH HHS; R01 NS-29993/NS/NINDS NIH HHS; R24 HL76857/HL/NHLBI NIH HHS

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