The trained observer better predicts daytime ABPM diastolic blood pressure in hypertensive patients than does an automated (Omron) device

Blood Pressure Monitoring
John GravesJeffrey Feldstein

Abstract

Accurate blood pressure measurement is critical to successful clinical trials. Concerns about observer errors have led to the use of automated oscillometric devices without evidence that their performance is similar to that of trained observers. This study compares blood pressures obtained by trained observers and with an oscillometric device (Omron 705CP) to 24-h ambulatory blood pressure monitoring. We performed a post-hoc analysis of 313 untreated hypertensive patients at the end of the washout phase of a Novartis hypertension trial. Patients had three seated trained observer mercury auscultatory blood pressure measurements followed by 24-h ambulatory blood pressure monitoring. The next day, the ambulatory blood pressure monitoring was removed and three seated readings were obtained with an Omron 705CP. Correlations for systolic blood pressure and diastolic blood pressure were obtained between daytime ambulatory blood pressure monitoring (0900 and 2100) and the two office methods. In addition, we investigated the degree of difference of trained observer and Omron measurements from ambulatory blood pressure monitoring. For systolic blood pressure, the correlation with ambulatory blood pressure monitoring of the trained observ...Continue Reading

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Citations

Jan 1, 2009·Journal of Medical Engineering & Technology·J Y A Foo, S J Wilson
Feb 16, 2011·Journal of Clinical Nursing·Heather SkirtonEmma Young
Oct 24, 2014·Journal of Human Hypertension·M R SalazarH A Carbajal
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Nov 5, 2011·The Journal of Clinical Hypertension·Paul A FishmanBeverly B Green

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