Why the study?
Does reverse flow reduce nitric oxide concentration in ex vivo porcine arteries compared to forward flow?
Population
Ex vivo preparation of porcine elastic and muscular arteries
Comparison
Reverse flow of a physiological solution, with… vs Forward flow of a physiological solution
Design
Preclinical
Authors
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Hypothesis-generating for superoxide-mediated endothelial dysfunction in oscillatory flow; leaves open whether antioxidants alter atherosclerosis progression in vivo.
Does reverse flow reduce nitric oxide concentration in ex vivo porcine arteries compared to forward flow?
Reverse flow in arteries significantly reduces nitric oxide concentration due to increased superoxide production, providing a mechanistic explanation for the predisposition of regions with oscillatory flow to atherosclerosis.
Lu et al. (2004) studied this question.
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