Inhaled iloprost in off-pump coronary artery bypass surgery: a randomized controlled trial
Canadian Journal of Anesthesia/Journal canadien d'anesthésie(2023)
摘要
Mechanical cardiac constraint during off-pump coronary artery bypass surgery (OPCAB) causes right ventricle (RV) compression and increased pulmonary artery pressure (PAP), which may further compromise RV dysfunction. We aimed to assess the effect of inhaled iloprost, a potent selective pulmonary vasodilator, on the cardiac index (CI) during mechanical constraint. The secondary aim was to determine the resultant changes in the hemodynamic and respiratory parameters. A total of 100 adult patients with three-vessel coronary artery disease who had known risk factors for hemodynamic instability (congestive heart failure, mean PAP ≥ 25 mm Hg, RV systolic pressure ≥ 50 mm Hg on preoperative echocardiography, left ventricular ejection fraction < 50
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关键词
cardiac index,hemodynamic,inhaled iloprost,off-pump coronary artery bypass surgery
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