Document Detail

Optimum frequency of office blood pressure measurement using an automated sphygmomanometer.
MedLine Citation:
PMID:  19020423     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To determine the optimum interval between serial blood pressure measurements using an automated BpTRU sphygmomanometer. METHODS: Two groups of 200 patients each had automated office measurements taken using the BpTRU device at either 1-min or 2-min intervals from the start of one reading to the start of the next reading with a 24-h ambulatory blood pressure (ABP) recording being performed. Another series of 50 patients had BpTRU readings taken at 1-min and 2-min intervals before and after 24-h ABP monitoring. The difference between the mean awake ABP and the mean automated office BP readings were compared for recordings taken at 1-min versus 2-min intervals. RESULTS: In the between-patient comparison (n=400), mean awake ABP was similar to automated BP recordings in the examining room at either 1-min or 2-min intervals except for a slightly lower (-4 mmHg) diastolic BP with the 1-min interval (P<0.01 vs. ABP). In the within-patient comparison (n=50), there was no consistent difference between automated BP readings taken in the examining room at 1-min versus 2-min intervals. Overall, the mean automated BP values tended to be slightly lower than the mean awake ABP. CONCLUSION: Automated measurement of BP in the office setting with devices such as the BpTRU can be taken as frequently as every 1 min without affecting the accuracy of the reading. Small differences in BP between the 1 and 2-min settings and between the automated BpTRU and ABP readings were within accepted clinical standards for validation criteria.
Martin G Myers; Miguel Valdivieso; Alexander Kiss
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Blood pressure monitoring     Volume:  13     ISSN:  1473-5725     ISO Abbreviation:  Blood Press Monit     Publication Date:  2008 Dec 
Date Detail:
Created Date:  2008-11-21     Completed Date:  2009-01-28     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9606438     Medline TA:  Blood Press Monit     Country:  England    
Other Details:
Languages:  eng     Pagination:  333-8     Citation Subset:  IM    
Division of Cardiology, Schulich Heart Centre bInstitute for Clinical and Evaluative Sciences, Sunnybrook Health Sciences Centre cDepartment of Medicine, University of Toronto, Ontario, Canada.
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MeSH Terms
Blood Pressure / physiology*
Blood Pressure Determination / instrumentation*,  methods*
Blood Pressure Monitoring, Ambulatory / standards*
Hypertension / physiopathology
Middle Aged
Office Visits
Physicians' Offices
Time Factors

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

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