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April 1, 2005Blood Pressure Monitoring

Inaccuracy of wrist-cuff oscillometric blood pressure devices: an arm position artefact?

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Key result

The OMRON R6 wrist-cuff device produced mean blood pressures (134/77 mmHg) comparable to the OMRON HEM 705 CP upper arm-cuff device in a horizontal position (137/80 mmHg).

Why the study?

Does the OMRON R6 wrist-cuff oscillometric device provide accurate blood pressure measurements compared to the OMRON HEM 705 CP upper arm-cuff device when arm position is controlled?

Population

Individuals undergoing blood pressure measurement (demographics and sample size not specified in abstract)

Comparison

Blood pressure measurement using OMRON R6… vs Blood pressure measurement using upper arm-cuff…

Design

Cross-sectional

Authors

AMAdnan MouradJohn Hunter HospitalAGAlastair GilliesING DirectSCShane CarneyTrinity College Dublin

Discussion

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Implication

Wrist-cuff BP readings vary with arm position; leaves open their clinical reliability versus validated arm-cuff devices.

Key Points

  • To investigate the accuracy of wrist-cuff blood pressure devices by examining the impact of arm position on measurements.
  • Compared blood pressure measurements from upper arm-cuff and wrist-cuff devices.
  • Measured blood pressure with the upper arm in two positions: dependent and horizontal.
  • Employed statistical analyses including least squares regression and Bland-Altman analysis.
  • In the dependent arm position, blood pressure readings were significantly higher (P<0.05).
  • Horizontal arm position with the upper arm-cuff showed comparable systolic and diastolic readings to wrist-cuff at heart level: 137+/−29/80+/−16 mmHg and 134+/−27/77+/−16 mmHg.
  • Strong correlations observed across a wide blood pressure range.

Study Design

Type

Cross-Sectional

Structured PICO

Does the OMRON R6 wrist-cuff oscillometric device provide accurate blood pressure measurements compared to the OMRON HEM 705 CP upper arm-cuff device when arm position is controlled?

P
Population
Individuals undergoing blood pressure measurement (demographics and sample size not specified in abstract)
E
Exposure
Blood pressure measurement using OMRON R6 oscillometric wrist-cuff device (wrist at heart level)
C
Comparator
Blood pressure measurement using upper arm-cuff OMRON HEM 705 CP in two positions (dependent on a table and horizontal at mid sternum)
O
Outcome
Mean systolic and diastolic blood pressuresurrogate

Wrist-cuff blood pressure monitors can provide accurate readings comparable to upper arm-cuff devices if the arm is properly positioned at heart level.

Cite This Study

Mourad et al. (2005) reported a cross-sectional. OMRON R6 wrist-cuff device vs. OMRON HEM 705 CP upper arm-cuff device was evaluated on Mean systolic and diastolic blood pressure. The OMRON R6 wrist-cuff device produced mean blood pressures (134/77 mmHg) comparable to the OMRON HEM 705 CP upper arm-cuff device in a horizontal position (137/80 mmHg).

synapsesocial.com/papers/6a62ecc99a2e487662c1b2b8https://doi.org/10.1097/00126097-200504000-00003

Topics

Hypertension management
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Wrist Measurement of Blood Pressure: Some Critical Remarks to Oscillometry1999 · 10 citations
  2. 2A cross-over evaluation of different methods and devices to measure blood pressure in type 1 diabetic patients with nephropathy2000 · 8 citations
  3. 3Influence of body and arm position on blood pressure readings2003 · 78 citations
  4. 4Patient assessment of self-measurement of blood pressure: results of a telephone survey in Germany1996 · 51 citations
  5. 5Comparison of wrist blood pressure measurement with conventional sphygmomanometry at a cardiology outpatient clinic2000 · 29 citations