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Title: Permanent mechanical circulatory support in patients of advanced age.
Author: Jurmann MJ, Weng Y, Drews T, Pasic M, Hennig E, Hetzer R.
Journal: Eur J Cardiothorac Surg; 2004 Apr; 25(4):610-8. PubMed ID: 15037280.
Abstract:
OBJECTIVE: This study details our initial results of long-term left ventricular assist device (LVAD) support in patients suffering from catecholamine-dependent end-stage heart failure or cardiogenic shock with age above 65 years or age above 60 and contraindications to cardiac transplantation. METHODS: Between September 2000 and July 2002, 27 patients received implantation of left ventricular assist devices (Micromed DeBakey (n=15), Berlin Heart Excor (n=6), Arrow Lion Heart (n=4) and Novacor N100 (n=2)). The mean age of this group was 66.2+/-4.1 (60-77) years. The patients presented with the following features by the time of LVAD implantation: failure of weaning from inotropic support (78%), either profound cardiogenic shock (37%) or instable hemodynamic status (22%), high-dose inotropic (52%) or intraaortic balloon pump support (11%), dialysis (15%), artificial ventilation (15%), and at least one previous cardiac procedure (44%). RESULTS: The cumulative survival rate for the whole group was 63% at 30 days, 30% at 180 days, and 22% at 2 years. The presence of preoperative cardiogenic shock was associated with a higher perioperative mortality rate. Late complications (n=7) included replacement of two thrombosed DeBakey LVADs and five late deaths secondary to thrombembolism/intracranial hemorrhage (DeBakey LVAD, n=3) or septicemia (n=2). As of May 15, 2003, six patients remain on LVAD support for an average of 653 (339-953) days, three patients now for more than 2 years. Ten patients were discharged home to spend 73% of their life span on out-of-hospital long-term LVAD support. CONCLUSION: This study reports the first single-center experience of permanent LVAD support in patients of advanced age. For this initial experience, many patients with critical circulatory status and previous cardiac operations were included and a high postoperative mortality rate was encountered among them. Older age and associated multimorbidity are the key determinants rendering the conditions of LVAD therapy for this patient cohort to be different from the bridge-to-transplant experience. The LVADs employed in this study showed different capabilities with regard to long-term support. Our experience shows that permanent mechanical circulatory support does have the potential to evolve as a treatment option in selected elderly patients with end-stage heart failure.

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