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  • Title: Comparison of enoximone and piroximone in patients after mitral valve operation: a prospective and controlled clinical study.
    Author: Hausen B, Heublein B, Vogelpohl J, von der Leyen H, Haverich A.
    Journal: J Cardiovasc Pharmacol; 1992 Mar; 19(3):299-307. PubMed ID: 1378106.
    Abstract:
    Phosphodiesterase III (PDEII) inhibitors as so-called inodilators have previously proven a valuable alternative to positive inotropes in patients with cardiac insufficiency. In this study we compared patients receiving piroximone (P, n = 14, 0.5-mg/kg bolus in 30 min and then 3-6 micrograms/kg/min) with enoximone patients (E, n = 13, 1-mg/kg bolus and then 4-20 micrograms/kg/min) and with a third group (D, n = 14) receiving a combination of dopamine (4-10 micrograms/kg/min) and glyceroltrinitrate (0.5-5 micrograms/kg/min) for hemodynamic support. All three groups were comparable in terms of age, body surface area, and preoperative cardiac function [cardiac index (CI) less than or equal to 2.5 L/min/m2, LAP greater than 15 mm Hg]. Hemodynamic measurements (10) and Holter monitoring were performed until 18 h post MVR. In all groups, epinephrine was used for additional inotropic therapy if mean arterial pressure (MAP) was less than 60 mm Hg and/or CI was less than 2.5 L/min/m2. There was no early or late postoperative mortality in either group. Continuous support with epinephrine was necessary in 8 patients in group D, whereas initially 8 patients in group E and 6 patients in group P required epinephrine support. After PDE III inhibitor infusion, 2 patients in group E and 2 patients in group P remained epinephrine dependent (p less than 0.05).(ABSTRACT TRUNCATED AT 250 WORDS)
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