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- W2023394062 abstract "In an open, randomized, multicenter trial, intravenous nicardipine was compared with sodium nitroprusside in 74 patients with hypertension (mean arterial pressure [MAP] greater than or equal to 100 mm Hg) following coronary artery bypass surgery. Nicardipine was administered as a 2.5- to 12.5-mg bolus followed by a 2 to 4 mg/h infusion, and nitroprusside as a 0.5 to 6.0 micrograms/kg/min infusion. The aim was to reduce MAP to less than 90 mm Hg within 50 minutes and maintain it stable at 85 +/- 5 mm Hg. Nicardipine was effective in 35 of 38 patients (92%), and nitroprusside in 29 of 36 (81%) (NS). The decrease in MAP was not statistically different, but time until reaching the therapeutic end-point was shorter with nicardipine (P less than 0.01). Significant differences follow: increase in heart rate and decreases in mean pulmonary artery, right atrial, and pulmonary capillary wedge pressures were more marked with nitroprusside (P less than 0.01 and P less than 0.05, respectively), whereas elevation of cardiac index and depression of systemic vascular resistance were more marked with nicardipine (P less than 0.01 and P less than 0.05, respectively). Postreduction MAP was more stable with nicardipine, 51% +/- 24% of readings falling within the range 85 +/- 5 mm Hg versus 41% +/- 18% on nitroprusside (P = 0.058). Dose adjustment during the following 24 hours was less frequent with nicardipine, 1.1 +/- 1.6 versus 2.7 +/- 2.6 (P less than 0.01). Transfused blood volume was lower with nicardipine (924 +/- 644 mL) than nitroprusside (1,306 +/- 901 mL) (P = 0.08), despite similar postoperative blood losses.(ABSTRACT TRUNCATED AT 250 WORDS)" @default.
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- W2023394062 title "Comparison of nicardipine and sodium nitroprusside in the treatment of paroxysmal hypertension following aortocoronary bypass surgery" @default.
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