Key result
A 1680-kJ meal induced postprandial hypotension in 8 of 16 elderly patients with unexplained syncope, with a decline in mean arterial blood pressure of 17 +/- 2 mm Hg (P < .001).
Why the study?
Does a meal induce postprandial hypotension and hemodynamic changes in elderly patients with unexplained syncope compared to controls?
Population
16 elderly patients with unexplained syncope and 9 elderly controls
Comparison
1680-kJ meal vs Elderly controls without syncope
Design
Case-control
Follow-up
Immediate postprandial period
Authors
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Supports postprandial BP assessment in elderly unexplained syncope; leaves open causal role and treatment effects.
Case-Control (n=25)
Does a meal induce postprandial hypotension and hemodynamic changes in elderly patients with unexplained syncope compared to controls?
p-value: p=<.001
Postprandial hypotension may be an important causative factor in elderly patients with unexplained syncope, driven by splanchnic blood pooling without a compensatory increase in peripheral vascular resistance.
R.W.M.M. Jansen (1995) conducted a case-control in Unexplained syncope (n=25). 1680-kJ meal vs. Elderly controls was evaluated on Decline in supine mean arterial blood pressure after a meal (p=<.001). A 1680-kJ meal induced postprandial hypotension in 8 of 16 elderly patients with unexplained syncope, with a decline in mean arterial blood pressure of 17 +/- 2 mm Hg (P < .001).
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