Does X equal endothelial dysfunction?
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چکیده
منابع مشابه
Does ADMA cause endothelial dysfunction?
Asymmetric dimethylarginine (ADMA) is an endogenous and competitive inhibitor of nitric oxide synthase. Plasma levels of this inhibitor are elevated in patients with atherosclerosis and in those with risk factors for atherosclerosis. In these patients, plasma ADMA levels are correlated with the severity of endothelial dysfunction and atherosclerosis. By inhibiting the production of nitric oxide...
متن کاملSyndrome X and endothelial dysfunction.
OBJECTIVE Syndrome X (angina, normal coronary arteriogram and positive exercise test) remains an enigma with unexplained features and apparent conflicts of evidence. The present study addressed whether (i) the Syndrome is characterised by generalised flow-related endothelial dysfunction, (ii) myocardial thallium201 defects reflect myocardial or microvascular dysfunction, (iii) endothelial dysfu...
متن کامل[Cardiovascular syndrome X and endothelial dysfunction].
Up to 30% of patients with chest pain who undergo coronary arteriography, have completely normal coronary angiograms. The subgroup with typical angina and a positive response to stress testing is generally included under the diagnosis of cardiovascular syndrome X. Several causes and mechanisms have been investigated in the past twenty years, to explain both chest pain and ischemic angina-like S...
متن کامل2 x 6 = 12 , or Does It Equal Action Research ?
The strengths and limitations of action research as a candidate approach to research in information systems (IS) are considered. The authors conclude that indeed action research has many features that would render it ideal for application in some IS research. However the authors argue that a deeper and more reflective analysis of the meaning of action research is required that includes both a p...
متن کاملVascular endothelial dysfunction: does tetrahydrobiopterin play a role?
Tetrahydrobiopterin is one of the most potent naturally occurring reducing agents and an essential cofactor required for enzymatic activity of nitric oxide synthase (NOS). The exact role of tetrahydrobiopterin in the control of NOS catalytic activity is not completely understood. Existing evidence suggests that it can act as allosteric and redox cofactors. Suboptimal concentration of tetrahydro...
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ژورنال
عنوان ژورنال: Heart
سال: 1994
ISSN: 1355-6037
DOI: 10.1136/hrt.71.2.181