Abstract
Purpose: The CorAide™ is an electrically powered, magnetically levitated third generation left ventricular assist system (LVAS), designed for long-term mechanical circulatory support (MCS). We report our initial experience. Methods: From 5/2004 – 1/2006 the CorAide™ has been implanted in 17 (15 male,2 female) cardiogenic shock patients (pts), all potential destination therapy candidates. Mean age was 58 years (range 14–74). Prior to implantation all pts were inotropic dependent; 4 pts needed additional IABP support. Etiology of heart failure was ICM in 11 pts, DCM in 6 pts. All relevant hemodynamic data, pump data and adverse events were analyzed. A moderate anti-coagulation protocol was applied. Results: All surgical implantations were uneventful. An average flow of 5.0±0.7 L/min (range 4.1–5.8L/min) at mean rpm of 2400 was achieved. 12 pts are currently on support, mean duration of support is 128 days (range 4–344). 3 pts were successfully txed, 1 pt died on support following severe right heart failure. 2 pts needed early re-operation; 1 for bleeding, the other for cannula repositioning. 1 pt developed late tamponade requiring drainage. No pt developed thrombembolic events or neurological disorders. With the modified version of the CorAide minor hemolysis occurred in 2 pts. Conclusion: Our experience proves the safety and reliability of the CorAide™. The excellent performance and absence of thrombembolic events recommend the further evaluation for destination therapy.
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