Abstract
ABSTRACT Background: Orthostatic hypotension (OH) is prevalent in hospitalized elderly patients. It is defined as a reduction in systolic blood pressure (SBP) of at least 20 mmHg and/or diastolic blood pressure (DBP) of at least 10 mmHg within 3 minutes of standing from a lying position. This observational cohort study describes the prevalence, association with symptoms, and risk factors for OH in medical, surgical, and trauma wards in a tertiary hospital and the differences in hemodynamic behaviors between OH-positive (OHP) and OH-negative (OHN) patients. Methods: All 76 patients who were hemodynamically stable and able to stand from 4 hospital wards had noninvasive supine and orthostatic blood pressures (BPs) and pulse rates (PRs) measured over 4 days. Results: Mean age of the 76 patients included in the study was 67.8 ± 19.6 years. Overall prevalence of OH was 23.7% (95% CI: 14.7%-34.8%) with 21.2% (95% CI: 9.0%-38.9%) in medical, 31.8% (95% CI: 13.9%-54.9%) in surgical, and 19.0% (95% CI: 5.4%-41.9%) ...
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