Why the study?
Does wrist blood pressure measurement provide more consistent readings than arm measurement in obese patients?
Does wrist blood pressure measurement provide more consistent readings than arm measurement in obese patients?
Validated wrist blood pressure devices may provide more consistent systolic readings than standard arm cuffs in obese patients with large arm circumferences.
Answers are grounded in this paper and cite their sources.
Wrist BP may yield consistent readings in obese patients; hypothesis-generating and should not yet change arm-cuff practice.
OBJECTIVE: Blood pressure (BP) measured in obese patients with a large arm circumference using a cuff of standard width may be overestimated. METHODS: We compared in this study the BP readings obtained with oscillometric devices at the left arm (OMRON HEM 705-CP) and the left wrist (OMRON R6) (Omron Medizintechnik, Mannheim, Germany) in lean (n=15) and obese (n=11) patients. RESULTS: No difference was found in diastolic BP between the two groups, nor between the arm and the wrist. Systolic BP measured at the arm was, however, significantly lower in obese (99+/-9 mmHg, mean+/-SD) than in lean (107+/-14 mmHg; P<0.001) patients, whereas systolic BP determined at the wrist averaged 106 mmHg in both groups. CONCLUSION: The use of validated wrist BP measuring devices appears therefore particularly appealing in obese individuals with a large arm circumference.
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Senarclens et al. (2008) studied this question.
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