Why the study?
Does smoking increase catecholamine excretion and plasma epinephrine levels?
Population
Nonsmokers, heavy smokers, 15 subjects who normally smoke, and 3 patients undergoing cardiac catheterization.
Comparison
Heavy smoking and smoking a single cigarette vs Nonsmokers and baseline control levels
Design
Cross-sectional
Follow-up
24 hours
Authors
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Smoking associated with higher epinephrine excretion; hypothesis-generating for sympathoadrenal effects on CV risk.
Does smoking increase catecholamine excretion and plasma epinephrine levels?
Heavy smoking significantly increases the urinary excretion and plasma levels of epinephrine, indicating sympathoadrenal stimulation.
Westfall et al. (1964) studied this question.
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