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Deprecated: Implicit conversion from float 265.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Eur+Heart+J 2014 ; 35 (19): 1255-62 Nephropedia Template TP
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Intravenous sodium nitrite in acute ST-elevation myocardial infarction: a randomized controlled trial (NIAMI) #MMPMID24639423
Siddiqi N; Neil C; Bruce M; MacLennan G; Cotton S; Papadopoulou S; Feelisch M; Bunce N; Lim PO; Hildick-Smith D; Horowitz J; Madhani M; Boon N; Dawson D; Kaski JC; Frenneaux M; Siddiqi N; Neil C; Bruce M; MacLennan G; Cotton S; Dawson D; Frenneaux M; Singh S; Schwarz K; Jagpal B; Metcalfe M; Stewart A; Hannah A; Awsan N; Broadhurst P; Hogg D; Garg D; Slattery E; Davidson T; McDonald A; McPherson G; Kaski JC; Lim PO; Brown S; Papadopoulou SA; Gonzalvez F; Roy D; Firoozi S; Bogle R; Roberts E; Rhodes J; Hildick-Smith D; de Belder A; Cooter N; Bennett L; Horowitz J; Rajendran S; Dautov R; Black M; Jansen E; Boon N; Struthers A; Toff W; Dargie H; Lang C; Nightingale P
Eur Heart J 2014[May]; 35 (19): 1255-62 PMID24639423show ga
Aim: Despite prompt revascularization of acute myocardial infarction (AMI), substantial myocardial injury may occur, in part a consequence of ischaemia reperfusion injury (IRI). There has been considerable interest in therapies that may reduce IRI. In experimental models of AMI, sodium nitrite substantially reduces IRI. In this doubleblind randomized placebo controlled parallel-group trial, we investigated the effects of sodium nitrite administered immediately prior to reperfusion in patients with acute ST-elevation myocardial infarction (STEMI). Methods and results: A total of 229 patients presenting with acute STEMI were randomized to receive either an i.v. infusion of 70 ?mol sodium nitrite (n = 118) or matching placebo (n = 111) over 5 min immediately before primary percutaneous intervention (PPCI). Patients underwent cardiac magnetic resonance imaging (CMR) at 6?8 days and at 6 months and serial blood sampling was performed over 72 h for the measurement of plasma creatine kinase (CK) and Troponin I. Myocardial infarct size (extent of late gadolinium enhancement at 6?8 days by CMR-the primary endpoint) did not differ between nitrite and placebo groups after adjustment for area at risk, diabetes status, and centre (effect size ?0.7% 95% CI: ?2.2%, +0.7%; P = 0.34). There were no significant differences in any of the secondary endpoints, including plasma troponin I and CK area under the curve, left ventricular volumes (LV), and ejection fraction (EF) measured at 6?8 days and at 6 months and final infarct size (FIS) measured at 6 months. Conclusions: Sodium nitrite administered intravenously immediately prior to reperfusion in patients with acute STEMI does not reduce infarct size.
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Eur+Heart+J 2014 ; 35 (19): 1255-62
