• Blood pressure monitoring · Jun 2008

    Comparative Study

    Brachial or wrist blood pressure in obese patients: which is the best?

    • Olivier de Senarclens, François Feihl, Vittorio Giusti, Rolf P Engelberger, Frédérique Rodieux, Patrick Gomez, Lucas Liaudet, and Bernard Waeber.
    • Division of Clinical Pathophysiology, University Hospital and University of Lausanne, Lausanne, Switzerland.
    • Blood Press Monit. 2008 Jun 1;13(3):149-51.

    ObjectiveBlood pressure (BP) measured in obese patients with a large arm circumference using a cuff of standard width may be overestimated.MethodsWe 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.ResultsNo 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.ConclusionThe use of validated wrist BP measuring devices appears therefore particularly appealing in obese individuals with a large arm circumference.

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