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- W2027687805 abstract "To determine early and delayed orthostatic BP responses in elderly hospitalized patients on prolonged standing, 85 patients, including normotensive and hypertensive persons, both treated and untreated, aged between 60 and 90 years, were studied. Following 10 min rest a series of nine supine BP measurements were undertaken, first with a mercury sphygmomanometer, immediately followed by an automatic oscillometric BP monitor (SpaceLabs 90207), then again by the sphygmomanometer. Patients then stood and the series of BP measurements was repeated, giving a total of nine standing BP determinations at 1 min intervals. Orthostatic BP measurements recorded by both devices were assessed at 1-3 min (early phase), 4-6 min (mid-phase), and 7-9 min (late phase). The orthostatic fall in SBP was greater during the late than early phase when measured by both the sphygmomanometer (-7.5+/-14.9 vs -2.6+/-10.3 mmHg; difference 4.9+/-8.7 mmHg, p<0.001, 95% CI: 3.0, 6.7 mmHg) and the automatic monitor (-3.5+/-16.9 vs 0.5+/-14.5 mmHg, difference 4.0+/-11.6 mmHg; p=0.002, CI: 1.5, 6.5 mmHg). Orthostatic changes in DBP were similar during early and late phases. More patients had systolic orthostatic hypotension (SBP fall > or =20 mmHg on standing) measured by the sphygmomanometer during the late than early phase (19 [22%] vs 6 [7%]; respectively, p=0.009), but not when measured by the monitor (10 [12%] vs 9 [11%], respectively). Many hospitalized elderly patients may exhibit systolic orthostatic hypotension as measured by sphygmomanometry only after prolonged (> or =7 min) standing." @default.
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- W2027687805 date "1997-01-01" @default.
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- W2027687805 title "Orthostatic Blood Pressure Changes on Prolonged Standing in Elderly Hospital In-Patients" @default.
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- W2027687805 doi "https://doi.org/10.3109/08037059709062093" @default.
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