Vascular distribution of plasma catecholamines—pulmonary extraction, arterio-venous differences and effect of age
Population
19 normotensive patients undergoing cardiac catheterization
Design
Cross-sectional
Authors
Discussion
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Member takes
Implication
No clinical implications for catecholamine assessment in normotensives; leaves open whether age-related shifts affect cardiovascular outcomes.
Structured PICO
P
Population
19 normotensive patients undergoing cardiac catheterization
I
Intervention
Simultaneous plasma sampling from five different sites
O
Outcome
Plasma adrenaline and noradrenaline concentrations in pulmonary artery and aortasurrogate
The study demonstrates no pulmonary extraction of catecholamines in normotensive patients and highlights age-related changes in circulating adrenaline and noradrenaline levels.
Cite This Study
Hoffmann et al. (1987) studied this question.