Key result
Inter-arm BP difference >10 mm Hg shows no link to mortality in hospitalized elderly patients.
Cohort (n=445)
IAD may flag mortality risk in hospitalized elderly; extends prior links but leaves open whether screening alters outcomes.
Inter-arm blood pressure difference (IAD) has been found to be associated with cardiovascular mortality. Its clinical significance and association with mortality in the elderly is not well defined. This study evaluated the association of IAD with mortality in a cohort of hospitalized elderly individuals. Blood pressure (BP) was measured simultaneously in both arms in elderly individuals (older than 65 years) hospitalized in a geriatric ward from October 2012 to July 2014. During the study period, 445 patients, mostly women (54.8%) with a mean age of 85±5 years, were recruited. Systolic and diastolic IAD were >10 mm Hg in 102 (22.9%) and 76 (17.1%) patients, respectively. Patients were followed for an average of 342±201 days. During follow-up, 102 patients (22.9%) died. Mortality was not associated with systolic or diastolic IAD. It is therefore questionable whether BP should be routinely measured in both arms in the elderly.
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Weiss et al. (2015) conducted a cohort in Hospitalized elderly (n=445). Inter-arm blood pressure difference (IAD) >10 mm Hg vs. No significant inter-arm blood pressure difference was evaluated on Mortality. Inter-arm blood pressure difference >10 mm Hg was not associated with mortality in hospitalized elderly patients over an average follow-up of 342 days.
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