Key result
Stepwise tilt through 45 degrees caused a gradual increase in plasma noradrenaline concentration sustained for up to 30 min, which significantly correlated with changes in mean arterial pressure.
Why the study?
Does stepwise tilting increase plasma noradrenaline concentration in normal individuals?
Observational (n=10)
Does stepwise tilting increase plasma noradrenaline concentration in normal individuals?
Gradual tilting to 45 degrees induces a sustained increase in plasma noradrenaline that correlates with mean arterial pressure in normal individuals.
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May provide normative noradrenaline data for tilt testing; leaves open validation in orthostatic disorders.
Rosenthal et al. (1978) conducted an observational in Healthy (n=10). Stepwise tilt through 45 degrees was evaluated on Plasma noradrenaline concentration. Stepwise tilt through 45 degrees caused a gradual increase in plasma noradrenaline concentration sustained for up to 30 min, which significantly correlated with changes in mean arterial pressure.
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