Search for: [Abstract = "rginine metabolites balance with morphology of a culprit lesion and of an adjacent to the culprit region of IRA. 4. To evaluate association between arginine metabolites balance and clinical prognosis after MI. Methods Plasma concentrations of arginine, its metabolites and nitrite\/nitrate \(NOx\) were measured in duplicates using ultraperformance liquid chromatography\- tandem mass spectrometer \(UPLC\-MS\/MS\) with Waters ACQUITY UPLC \(Waters Corporation, Milford, MA, USA\) coupled to a Waters TQD mass spectrometer \(electrospray ionizationmode ESItandem quadrupole\). In the first study, seventy consecutive ST segment elevation myocardial infarction \(STEMI\) patients who underwent primary percutaneous coronary intervention \(pPCI\) were enrolled and plasma concentrations of arginine metabolites were measured using at baseline and at 6 months. Arginine metabolites and their indices were compared with left ventricle \(LV\) function, volumes, mass, area at risk \(AAR\), infarct size \(IS\) and microvascular obstruction \(MVO\) in cardiac magnetic resonance and with incidence of composite endpoint \(death, recurrent MI or hospitalization due to heart failure\) during follow\-up. In the second study one hundred consecutive STEMI patients who underwent pPCI were enrolled and plasma concentrations of arginine metabolites were measured at baseline and at 6 months. Again, arginine"]

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