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  • Title: [Perioperative myocardial failure and mechanical cardiac support --a five year experience].
    Author: Nezić D, Perić M, Popović Z, Gradinac S, Birovljev S, Barac I, Huskić R, Jović M, Radomir B, Bojić M.
    Journal: Srp Arh Celok Lek; 1995; 123(1-2):21-4. PubMed ID: 17974471.
    Abstract:
    Inability to wean a patient from the cardiopulmonary bypass after open heart procedure is reality of the clinical practice. The only realistic chance for these patients is some form of mechanical circulatory support. Over the period from November 1988 to November 1993, in 17 patients the roller-pump mechanical assist device was inserted, i.e. 0.47% of 3589 patients were operated on during this period. Thirteen patients required mechanical circulatory support immediately after surgical procedure due to inability to wean them from cardiopulmonary bypass. In three patients the roller-pump was inserted preoperatively (percutaneous insertion), and in one patient mechanical circulatory support was started six hours after the procedure for sudden cardiac deterioration. Partial and temporary "bypass" of the damaged left ventricular function is achieved by insertion of inflow cannula into the left atrium, and outflow cannula into the ascending aorta. Depending on the inflow cannula size and volume load, we were able to achieve blood flow of 3.5 to 5 liters/minute. Using this system we were able to improve the left ventricular function in eight patients (47%), and five patients were discharged from hospital (29.4%). The roller-pump mechanical circulatory support proved to be efficient, reliable, easy to monitor and operate. Overall results are comparable to the published data as well as to other types of more versatile and costly devices for mechanical circulatory support.
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