منابع مشابه
Combating nitrate tolerance: a novel endogenous mechanism.
With glycerol trinitrate (GTN) as the prototype, nitrates represent one of the safest and most rapidly effective pharmacological means to reduce acute symptoms of myocardial ischemia attributable to obstructive coronary disease. This has led, over the years, to the development of long-acting oral and topical preparations. However, efficacy with chronic administration is more difficult to achiev...
متن کاملAntioxidants and nitrate tolerance.
authors and five references. They should not have tables or figures and should relate solely to an article published in Circulation within the preceding 12 weeks. Only some letters will be published. Authors of those selected for publication will receive prepublication proofs, and authors of the article cited in the letter will be invited to reply. Replies must be signed by all authors listed i...
متن کاملNitroglycerin and Nitrate Tolerance
Background. The present study was designed to investigate the intracellular production of cyclic GMP (cGMP) in platelets in response to nitroglycerin and to determine the potential clinical value of platelet cGMP as an indicator of the effects of nitroglycerin and nitrate tolerance. Methods and Results. Platelet cGMP levels and the diameters of the coronary arteries before and 2 minutes after i...
متن کاملThe Puzzle of Nitrate Tolerance
Nitroglycerin (GTN) and other organic nitrates are important drugs commonly used in cardiovascular medicine, and, more recently, in obstetrics as tocolytic agents.1 The development of tolerance, ie, the reduction in effect or the requirement for higher doses that appears after continuous use,2 is a major factor limiting the efficacy of these drugs. Despite their clinical importance in the thera...
متن کاملNitrate tolerance: a unifying hypothesis.
The first part of this review provided a synopsis of the recent literature about superoxide anion (·O2 ) production, endothelial dysfunction, and the neurohormonal activation that follow long-term administration of organic nitrates. In this issue of Circulation, we will try to integrate these observations with other separate, and, to a certain extent, antagonistic hypotheses that have been prop...
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ژورنال
عنوان ژورنال: Arteriosclerosis, Thrombosis, and Vascular Biology
سال: 2007
ISSN: 1079-5642,1524-4636
DOI: 10.1161/atvbaha.107.148023