Document Detail

Assessment of blood pressure discrepancies in third-trimester hypertensive gravidas.
MedLine Citation:
PMID:  11272959     Owner:  NLM     Status:  MEDLINE    
Previous studies have associated hypertension with discrepancies between right arm and left arm blood pressure (BP) measurements. The purpose of this study was to determine if there were clinically (defined as > or = 10 mm Hg disparity) and statistically significant differences between right arm and left arm BP measurements (systolic, diastolic, or mean) in 34 third-trimester hypertensive gravidas. Thirty-four third-trimester normotensive gravidas were used as controls. No subjects were in active labor. This study used a cross-sectional, 2-group design with convenience sampling. The protocol for BP measurement followed guidelines of the American Heart Association and the instrument manufacturer. The results showed a greater range in BP differences between arms for the hypertensive group in the systolic (0.67-26.67 mm Hg) and mean (0.25-67 mm Hg) pressures compared with the normotensive group (systolic, 0-14.33 mm Hg; mean, 0-12 mm Hg). The mean difference in BP between arms was greater for the hypertensive group compared with the normotensive group. Using a 1-tailed t test, the mean difference was statistically significant (P < or = .05) for the systolic pressure (P = .027) and for the mean pressure (P = .022), but not the diastolic pressure (P = .168). The frequency of clinically significant differences (> or = 10 mm Hg) was greater for the hypertensive group than for the normotensive group (13 vs 4). These differences in frequencies were not statistically significant with chi-square analysis (systolic, P = .074; diastolic, P = .303; mean, P = .303). These findings indicated BP discrepancies between arms exist in both normotensive and hypertensive gravidas, with a greater range and frequency of differences in the hypertensive group. This study supports the American Heart Association's recommendation of bilateral BP assessment.
W T Ray
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  AANA journal     Volume:  68     ISSN:  0094-6354     ISO Abbreviation:  AANA J     Publication Date:  2000 Dec 
Date Detail:
Created Date:  2001-03-01     Completed Date:  2001-05-10     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0431420     Medline TA:  AANA J     Country:  United States    
Other Details:
Languages:  eng     Pagination:  525-30     Citation Subset:  N    
University of Cincinnati College of Nursing, Cincinnati, Ohio, USA.
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MeSH Terms
Blood Pressure Determination / standards*
Cross-Sectional Studies
Hypertension / diagnosis*
Nurse Anesthetists
Pregnancy Complications, Cardiovascular / diagnosis*
Pregnancy Trimester, Third*

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

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