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  • Title: Cardiac energetics after intravenous enoximone in idiopathic dilated cardiomyopathy.
    Author: Heiss HW, Hasenfuss G, Holubarsch C, Meinertz T, Just H.
    Journal: Am J Cardiol; 1987 Aug 14; 60(5):53C-56C. PubMed ID: 2956869.
    Abstract:
    The acute effects of enoximone on left ventricular (LV) function, myocardial oxygen metabolism and central and systemic hemodynamics were investigated in 12 patients with idiopathic dilated cardiomyopathy. Enoximone was administered intravenously at a rate of 12.5 mg/min; the average dose was 1.42 mg/kg. LV systolic pressure decreased significantly (p less than 0.01) from 128 +/- 18 to 96 +/- 16 mm Hg (mean +/- standard deviation), LV end-diastolic pressure from 16 +/- 3 to 5 +/- 3 mm Hg, LV end-diastolic volume from 288 +/- 43 to 210 +/- 58 ml, LV end-diastolic wall stress from 33 +/- 15 to 11 +/- 5 10(3) dynes/cm2 and LV peak systolic wall stress from 243 +/- 73 to 159 +/- 42 10(3) dynes/cm2. Heart rate increased from 86 +/- 18 to 100 +/- 20 beats/min, ejection fraction from 43 +/- 7 to 52 +/- 14% (p less than 0.05). Cardiac index, stroke volume index and dP/dtmax did not change significantly. Systemic vascular resistance decreased significantly (p less than 0.01) from 1,311 +/- 444 to 1,027 +/- 356 dynes s cm-5, mean pulmonary artery pressure from 13 +/- 6 to 8 +/- 2 mm Hg, mean right atrial pressure from 4 +/- 2 to 2.6 +/- 2 mm Hg and mean arterial pressure from 95 +/- 13 to 74 +/- 13 mm Hg.(ABSTRACT TRUNCATED AT 250 WORDS)
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