Why the study?
Do resting blood flow and conduit vessel length influence vasodilator responses to intra-arterial acetylcholine compared to sodium nitroprusside in healthy human subjects?
Population
30 healthy human subjects
Comparison
Brachial artery infusions of acetylcholine vs Brachial artery infusions of sodium nitroprusside
Design
Other
Authors
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Acetylcholine endothelial responses depend more on resting flow and forearm length than nitroprusside; leaves open optimal standardization before wider research or clinical adoption.
Do resting blood flow and conduit vessel length influence vasodilator responses to intra-arterial acetylcholine compared to sodium nitroprusside in healthy human subjects?
Conduit vessel geometry and resting blood flow influence the acetylcholine test of endothelial function, and correcting for forearm length abolishes apparent sex differences in response.
Chowienczyk et al. (1994) studied this question.
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