Key result
Vascular angiotensin II increases sympathetic vasoconstriction via presynaptic noradrenaline release potentiation in hypertensive patients, an effect antagonized by ATII antagonists and ACE inhibitors.
Observational
The study demonstrates a local vascular renin-angiotensin system in humans that facilitates sympathetic neurotransmission, providing a mechanistic basis for the efficacy of ACE inhibitors and angiotensin II antagonists in hypertension.
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May support ACEI/ARB benefits via local vascular effects; leaves open prospective outcome validation before practice change.
Taddei et al. (1994) conducted an observational in Essential hypertension. Vascular angiotensin II was evaluated. Vascular angiotensin II increases sympathetic vasoconstriction via presynaptic noradrenaline release potentiation in hypertensive patients, an effect antagonized by ATII antagonists and ACE inhibitors.
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