Document Detail

Proposal of a method for the evaluation of inaccuracy of home sphygmomanometers.
MedLine Citation:
PMID:  19745725     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: There is no formal protocol for evaluating the individual accuracy of home sphygmomanometers. The aims of this study were to propose a method for achieving accuracy in automated home sphygmomanometers and to test the applicability of the defined method. The purposes of this method were to avoid major inaccuracies and to estimate the optimal circumstance for individual accuracy. METHODS: The method has three stages and sequential measurement of blood pressure is used. The tested devices were categorized into four groups: accurate, acceptable, inaccurate and very inaccurate (major inaccuracy). The defined method takes approximately 10 min (excluding relaxation time) and was tested on three different occasions. RESULTS: The application of the method has shown that inaccuracy is a common problem among non-tested devices, that validated devices are superior to those that are non-validated or whose validation status is unknown, that major inaccuracy is common, especially in non-tested devices and that validation does not guarantee individual accuracy. CONCLUSION: A protocol addressing the accuracy of a particular sphygmomanometer in an individual patient is required, and a practical method has been suggested to achieve this. This method can be modified, but the main idea and approach should be preserved unless a better method is proposed. The purchase of validated devices and evaluation of accuracy for the purchased device in an individual patient will improve the monitoring of self-measurement of blood pressure at home. This study addresses device inaccuracy, but errors related to the patient, observer or blood pressure measurement technique should not be underestimated, and strict adherence to the manufacturer's instructions is essential.
Tekin Akpolat
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Publication Detail:
Type:  Journal Article; Validation Studies    
Journal Detail:
Title:  Blood pressure monitoring     Volume:  14     ISSN:  1473-5725     ISO Abbreviation:  Blood Press Monit     Publication Date:  2009 Oct 
Date Detail:
Created Date:  2009-11-20     Completed Date:  2010-01-29     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9606438     Medline TA:  Blood Press Monit     Country:  England    
Other Details:
Languages:  eng     Pagination:  208-15     Citation Subset:  IM    
Department of Nephrology, Ondokuz Mayis University School of Medicine, Samsun, Turkey.
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MeSH Terms
Automation / methods
Equipment Failure
Equipment Failure Analysis / methods*
Patient Education as Topic / methods
Self Care / instrumentation*
Sphygmomanometers / standards*

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

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