Arrhythmia in patients with low cardiac output after valvular surgery. Randomized, double-blind comparative study of dobutamine versus enoximone

Atallah, G.; George, M.; Lehot, J.J.; Bastien, O.; Bejuit, R.; Durand, P.G.; Estanove, S.

Archives des Maladies du Coeur et des Vaisseaux 83(Special Issue 3): 63-68

1990


ISSN/ISBN: 0003-9683
PMID: 2147837
Document Number: 366942
Forty patients with low cardiac output (cardiac index less than 2.2 l/mn/m2 and pulmonary wedge pressure greater than 15 mmHg) after valvular surgery were randomised into two groups. Patients in Group 1 were given 5 to 10 micrograms/Kg/mn of Dobutamine (D) and those In Group 2 a bolus of Enoximone (E) 1 mg/kg followed by an intravenous infusion of 5 to 10 micrograms/Kg/mn. Holter ECG monitoring over 42.65 +/- 6.02 hrs (24-48 hours) was obtained and interpreted blindly in 37/40 patients (19 Group D and 18 Group E). The results were analysed by the t and X2 tests. A p value of less than .05 was considered statistically significant. The two groups were comparable. No deaths occurred during the protocol period. The total duration of inotropic therapy (86 +/- 49 hours) and the period spent in the intensive care unit (155 +/- 129 hours) were longer in Group D than in Group E (60 +/- 23 hrs and 92 +/- 37 hrs, respectively; p less than .05). Antiarrhythmic therapy was used more often in Group D (4 patients) than in group E (1 patient) (p = 0.09).

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