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  • Title: [Value of the replacement of intravenous trinitrin by oral trinitrin in the acute phase of myocardial infarction complicated by regressive left ventricular insufficiency].
    Author: Gibelin P, Ferrari E, Tiger F, Morand P.
    Journal: Ann Cardiol Angeiol (Paris); 1991 Sep; 40(7):447-51. PubMed ID: 1952777.
    Abstract:
    Left ventricular failure is a common complication of the acute phase of myocardial infarction. The most appropriate current treatment, when an increase in preload is the predominant or sole feature, involves nitroglycerin by infusion combined in varying degrees with diuretics. The aim of this study was to assess the value of maintenance treatment following intravenous nitroglycerin based upon a long acting nitrate derivative designed to achieve a hemodynamic result. Twenty patients with a mean age of 62 and with left ventricular failure during the acute phase of a myocardial infarction were studied. They were all treated with IV nitroglycerin using an automatic pump syringe. Pulmonary artery diastolic pressure, cardiac output, blood pressure and heart rate were measured hourly for six hours then every 6 hours. When PADP fell to below 18 mmHg, maintenance treatment with placebo or long acting nitroglycerin was given double-blind (10 patients were given long acting nitroglycerin and 10 patients the placebo). Pulmonary artery pressures, blood pressure and heart rate were measured every 2 hours for 8 hours, then at 12 and 24 hours. No significant difference was found in heart rate, blood pressure, cardiac output nor PADP (10 +/- 3.5 mmHg cf. 12 +/- 2.8 mmHg; NS) between the two groups. In total, maintenance treatment with long acting nitrate derivatives following IV nitroglycerin for hemodynamic purposes in patients with an acute myocardial infarction complicated by regressive cardiac failure would no appear to be necessary.
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