Document Detail


Discarding the first of three nurse-auscultatory or oscillometric blood pressure measurements does not improve the association of office blood pressure with ABPM.
MedLine Citation:
PMID:  20407368     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: Guidelines for office blood pressure (BP) measurements recommend two or more readings at each visit. It has been suggested that discarding the first reading may improve the diagnostic utility of office readings. We compare two methods of office BP measurement to determine whether discarding the first BP affects their association with ambulatory blood pressure monitoring (ABPM) readings. METHODS: We studied measurements in 313 mildly hypertensive patients (181 men, median age 51 years) at the end of the washout phase of a hypertension treatment trial. All patients had three auscultatory readings by a trained nurse using a mercury manometer before a 24-h ABPM and three automated readings (Omron 705 CP) to American Heart Association standards after ABPM. Daytime ABPM (09:00-21:00) of systolic BP and diastolic BP were compared with office methods using first only, second and third only, and all three readings. Associations were assessed using Bland-Altman plots and Pearson's correlations. RESULTS: Bland-Altman plots revealed no differences between office methods and daytime ABPM regardless of whether the first reading was included or discarded. Results were similar for both systolic BP and diastolic BP. The Pearson correlations of office method readings with ABPM readings were lowest using the first measurement alone; however, discarding the first measurement did not improve the correlation compared with using all three readings. CONCLUSION: Discarding the first office BP reading does not change the association of office BP with ABPM or improve the correlation with ABPM values in hypertensive patients.
Authors:
John W Graves; Brandon R Grossardt
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Blood pressure monitoring     Volume:  15     ISSN:  1473-5725     ISO Abbreviation:  Blood Press Monit     Publication Date:  2010 Jun 
Date Detail:
Created Date:  2010-05-13     Completed Date:  2010-08-09     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9606438     Medline TA:  Blood Press Monit     Country:  England    
Other Details:
Languages:  eng     Pagination:  146-51     Citation Subset:  IM    
Affiliation:
Division of Nephrology and Hypertension, Mayo Clinic College of Medicine, Rochester, Minnesota 55905, USA. graves.john@mayo.edu
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MeSH Terms
Descriptor/Qualifier:
Adult
Aged
Auscultation / methods
Blood Pressure*
Blood Pressure Determination / methods*
Blood Pressure Monitoring, Ambulatory / methods
Female
Humans
Male
Middle Aged
Nurses
Oscillometry / methods
Physicians' Offices*

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


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