Document Detail

Pitfalls in blood pressure measurement in daily practice.
MedLine Citation:
PMID:  16332947     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Accurate blood pressure (BP) readings and correctly interpreting the obtained values are of great importance. However, there is considerable variation in the different BP measuring methods suggested in guidelines and used in hypertension trials. OBJECTIVE: To compare the different methods used to measure BP; measuring once, the method used for a large study such as the UKPDS, and the methods recommended by various BP guidelines. METHODS: In 223 patients with type 2 diabetes from five family practices BP was measured according to a protocol to obtain the following data: A = first reading, B = mean of two initial readings, C = at least four readings and the mean of the last three readings with less than 15% coefficient of variation difference, D = mean of the first two consecutive readings with a maximum of 5 mm Hg difference. Mean outcomes measure is the mean difference between different BP measuring methods in mm Hg. RESULTS: Significant differences in systolic/diastolic BP were found between A and B [mean difference (MD) systolic BP 1.6 mm Hg, P < 0.001], B and C (MD 5.7/2.8 mm Hg, P < 0.001), B and D (MD 6.2/2.8 mm Hg, P < 0.001), A and C (MD 7.3/3.3 mm Hg), and A and D (MD 7.9/3.0 mm Hg, P < 0.001). CONCLUSION: Different methods to assess BP during one visit in the same patient lead to significantly different BP readings and can lead to overestimation of the mean BP. These differences are clinically relevant and show a gap between different methods in trials, guidelines and daily practice.
S T Houweling; N Kleefstra; H L Lutgers; K H Groenier; B Meyboom-de Jong; H J G Bilo
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't     Date:  2005-12-06
Journal Detail:
Title:  Family practice     Volume:  23     ISSN:  0263-2136     ISO Abbreviation:  Fam Pract     Publication Date:  2006 Feb 
Date Detail:
Created Date:  2006-01-17     Completed Date:  2006-04-27     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8500875     Medline TA:  Fam Pract     Country:  England    
Other Details:
Languages:  eng     Pagination:  20-7     Citation Subset:  IM    
Department of Internal Medicine, University of Groningen, Groningen, The Netherlands.
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MeSH Terms
Age Factors
Aged, 80 and over
Blood Pressure Determination / standards*,  trends
Blood Pressure Monitors
Cohort Studies
Diabetes Mellitus, Type 2 / diagnosis
Family Practice / methods*
Hypertension / diagnosis*,  epidemiology
Middle Aged
Physician's Practice Patterns
Sensitivity and Specificity
Sex Factors

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

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