Rev Esp Cardiol
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Randomized Controlled Trial
[The calcium sensitizer levosimendan gives superior results to dobutamine in postoperative low cardiac output syndrome].
The use of levosimendan to treat postoperative low cardiac output syndrome (LCOS) has been studied in only small patient series and in randomized trials focusing on hemodynamic variables. The objective of the present study was to assess the effectiveness of levosimendan, compared with dobutamine, as a treatment for postoperative LCOS. ⋯ In this randomized study, levosimendan proved more effective than dobutamine. Postoperative morbidity and mortality were lower, fewer patients required either an additional inotropic drug, a vasopressor or intra-aortic balloon counterpulsation, and the length of stay in intensive care was shorter.
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The development of postoperative ventricular dysfunction immediately after heart transplantation is a serious complication that leads to low-output syndrome and which necessitates circulatory support. It is one of the most common causes of early morbidity and mortality. We present our experience with 6 heart transplant patients who were treated with intravenous levosimendan, a calcium sensitizer with inodilator properties, after regular hemodynamic therapy with sympathomimetic amines failed to result in a satisfactory hemodynamic status. Use of this drug was well tolerated and brought about hemodynamic improvements that were sufficient to enable patients to be weaned from inotropic support with amines and which led to clinical recovery, with 5 of the 6 patients being discharged from the intensive care unit.