Abstract. Objective: Evaluate the ability of clonidine to reduce pulmonary arterial pressure in patients with pulmonary hypertension undergoing heart surgery, either by reducing the pressure values from the direct measurement of pulmonary arterial pressure or by reducing or eliminating the need for intraoperative. Patients with group 2 pulmonary hypertension will be included and subjected to cardiac surgery with extracorporeal circulation. Mean pulmonary artery pressure and the doses of dobutamine and sodium nitroprusside will be assessed four times: before (T0) administration of 2 μg/kg of intravenous clonidine or a placebo.
How is That Medication Useful.
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