AIMS: Endothelial function is characteristically impaired in patients with hypertension. Endothelial function was assessed in men and women with hypertension using a recently described, non-invasive method. METHODS:Twenty patients and 20 controls receivedsalbutamol 400 microg and glyceryl trinitrate (GTN) 500 microg in a two-way randomized, single-blind study. Effects on augmentation index (AIx) were assessed using pulse wave analysis (PWA). RESULTS: Responses (absolute AIx reduction and 95% confidence interval) to salbutamol were 8.4% (6.2, 10.6) and 8.3% (7.0, 9.6) in patients and controls, respectively, and those to GTN were 13.6% (10.8, 16.4) and 15.5% (13.0, 17.0), respectively. CONCLUSIONS: Systemic arterial responses to endothelium-dependent and -independent vasodilators are preserved in patients with mild, uncomplicated hypertension, indicating normal large arterial endothelial function.
RCT Entities:
AIMS: Endothelial function is characteristically impaired in patients with hypertension. Endothelial function was assessed in men and women with hypertension using a recently described, non-invasive method. METHODS: Twenty patients and 20 controls received salbutamol 400 microg and glyceryl trinitrate (GTN) 500 microg in a two-way randomized, single-blind study. Effects on augmentation index (AIx) were assessed using pulse wave analysis (PWA). RESULTS: Responses (absolute AIx reduction and 95% confidence interval) to salbutamol were 8.4% (6.2, 10.6) and 8.3% (7.0, 9.6) in patients and controls, respectively, and those to GTN were 13.6% (10.8, 16.4) and 15.5% (13.0, 17.0), respectively. CONCLUSIONS: Systemic arterial responses to endothelium-dependent and -independent vasodilators are preserved in patients with mild, uncomplicated hypertension, indicating normal large arterial endothelial function.
Authors: P J Chowienczyk; R P Kelly; H MacCallum; S C Millasseau; T L Andersson; R G Gosling; J M Ritter; E E Anggård Journal: J Am Coll Cardiol Date: 1999-12 Impact factor: 24.094
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