Key result
A systolic inter-arm blood pressure difference greater than 10 mmHg is significantly associated with peripheral vascular disease (OR 5.25).
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Highlights the gap between hypertension guideline recommendations for bilateral blood pressure measurement and actual clinical practice among GPs.
In their review of the use of evidence in hypertension guidelines, Parker and Glasziou point out that failure to measure blood pressure in both arms may lead to delay in diagnosis or inadequate treatment of high blood pressure. 1 However, only 30% of GPs agree with recommendations to measure blood pressure in both arms, and even fewer actually do it. Similarly, it is important to see if patients who take their own blood pressure at home adhere to recommendations, both measuring and recording their readings correctly.
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Adjei-Gyamfi et al. (2009) conducted a letter in Hypertension and Peripheral Vascular Disease. Systolic inter-arm blood pressure difference >10 mmHg vs. No significant inter-arm difference was evaluated on Peripheral vascular disease (OR 5.25, 95% CI 2.85 to 9.70). A systolic inter-arm blood pressure difference greater than 10 mmHg is significantly associated with peripheral vascular disease (OR 5.25).
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