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June 1, 2001Blood Pressure Monitoring

Comparison of the oscillometric blood pressure monitor (BPM-100 Beta ) with the auscultatory mercury sphygmomanometer

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Why the study?

Does the BPM-100(Beta) automated oscillometric blood pressure monitor accurately measure blood pressure compared to standard auscultatory mercury sphygmomanometry?

Population

85 subjects (out of 92 recruited) meeting inclusion criteria

Comparison

BPM-100 automated oscillometric blood pressure… vs Standard auscultatory mercury sphygmomanometry

Design

Cross-sectional, Two trained observers blinded from each other and from the…

Authors

GMGurdial S. MattuTPThomas L. PerryUniversity of British ColumbiaJWJames M WrightGeneral Cardiology

Discussion

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Overview

Supports BPM-100(Beta) accuracy versus reference; leaves open prospective outcome trials before practice change.

Key Points

  • The aim is to compare the accuracy of the BPM-100(Beta) oscillometric monitor with traditional mercury sphygmomanometry.
  • Participants were connected to both the BPM-100(Beta) and mercury sphygmomanometer simultaneously.
  • Measurements were taken by two trained observers for comparison.
  • The agreement between devices was assessed using mean differences and standard deviations.
  • Mean systolic blood pressure difference was -0.62 +/- 6.96 mmHg, diastolic -1.48 +/- 4.80 mmHg.
  • Heart rate difference was 0.14 +/- 1.86 beats/min.
  • The monitor tended to underestimate higher systolic pressures, which was addressed by a minor algorithm change.

Structured PICO

Does the BPM-100(Beta) automated oscillometric blood pressure monitor accurately measure blood pressure compared to standard auscultatory mercury sphygmomanometry?

P
Population
85 subjects (out of 92 recruited) meeting inclusion criteria
I
Intervention
BPM-100(Beta) automated oscillometric blood pressure monitor
C
Comparator
Standard auscultatory mercury sphygmomanometry (mean of two trained observers)
O
Outcome
Agreement between the BPM-100(Beta) and the mean of two observers for systolic and diastolic blood pressuresurrogate

The BPM-100(Beta) automated oscillometric blood pressure monitor is accurate for office settings, meeting AAMI requirements and achieving a BHS 'A' grade.

Limitations

  • Tendency to underestimate higher systolic blood pressures

Cite This Study

Mattu et al. (2001) studied this question.

synapsesocial.com/papers/6a209e20e307124fcfcd2f41https://doi.org/10.1097/00126097-200106000-00007

Topics

Hypertension management
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Also Consider

Synapse has enriched 4 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Validation of a new algorithm for the BPM-100 electronic oscillometric office blood pressure monitor2001 · 117 citations
  2. 2Evaluation of Blood Pressure Measuring Devices1993 · 12 citations
  3. 3Guidelines for the use of self-blood pressure monitoring2000 · 214 citations
  4. 4Prevention of stroke by antihypertensive drug treatment in older persons with isolated systolic hypertension. Final results of the Systolic Hypertension in the Elderly Program (SHEP). SHEP Cooperative Research Group1991 · 1,371 citations