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OBJECTIVES Elevated pulmonary vascular resistance (PVR) unresponsive to pharmacological intervention is a major limitation in heart transplantation (HTX). The post-operative course of these patients is associated with an increased risk of life-threatening right heart failure. We evaluated the efficiency of an implantable left ventricular assist device(More)
BACKGROUND Arterial calcifications are associated with increased cardiovascular risk, but the genetic basis of this association is unclear. METHODS We performed clinical, radiographic, and genetic studies in three families with symptomatic arterial calcifications. Single-nucleotide-polymorphism analysis, targeted gene sequencing, quantitative(More)
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BACKGROUND Device failure is a limitation of permanent mechanical circulatory support. We studied the mechanical reliability of the Jarvik 2000 Heart, an axial flow pump with ceramic bearings designed to provide more than 10 years' durability. METHODS The Jarvik 2000 Heart was implanted in 102 patients between April 2000 and December 2004. Eighty-three(More)
AIMS A lack of donor hearts has stimulated interest in using blood pumps to treat severe heart failure. We tested the hypothesis that a new continuous flow circulatory assist device could be employed safely to relieve symptoms of heart failure and evaluated the potential to prolong life. METHODS AND RESULTS An intracardiac axial flow pump was implanted in(More)
OBJECTIVE We tested the hypothesis that a miniaturised axial flow pump with infection-resistant power delivery could improve longevity and quality of life (QOL) in advanced heart failure patients deemed unsuitable for transplantation. METHODS The study included all non-United States Jarvik 2000 patients (n=46), where a skull-pedestal-based power line was(More)
BACKGROUND Short-term mechanical circulatory support may be lifesaving in patients with right ventricular (RV) failure related to post-cardiotomy cardiogenic shock (PCCS), cardiac transplantation (CTx), and long-term therapy with a left ventricular assist device (LVAD). This study evaluates our clinical experience using the CentriMag (Levitronix LLC,(More)
BACKGROUND Thoracic or thoracoabdominal aortic stent-graft repair has shown a reduction in morbidity and mortality rates due to the procedure's advantages (no aortic cross-clamping, continuous distal aortic perfusion, no reperfusion injury). However, 3% to 12% of the patients are at risk of spinal cord ischemia. We investigated spinal cord protective(More)
OBJECTIVES Device-related infections remain a considerable problem of left-ventricular support. We compared the device-related-infections between the HeartMate left ventricular assist device (LVAD) and the Jarvik 2000 permanent LVAD, a device with a novel retroauricular power-supply. METHODS Between December 2000 and September 2002 we implanted the(More)