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According to a retrospective cohort study comparing patients treated with a left ventricular assist device versus inotrope therapy while awaiting heart transplantation, the group treated with LVAD had improved clinical and metabolic function at the time of transplant with better blood pressure, sodium, blood urea nitrogen, and creatinine.
Ventricular assist devices require open-heart surgery for implantation. An incision is made through the breastbone to expose the heart. Heparin will be given to keep the patients blood from clotting. The blood is rerouted to a heart-lung machine that will pump and oxygenate blood. A pocket for the LVAD is formed in the abdominal wall.
With the 2001 Thermo Cardiosystems merger, Thoratec acquired the HeartMate Left Ventricular Assist System, an implanted VAD for end-stage heart patients. A landmark three-year study of 129 patients at 22 major medical centers, called REMATCH (Randomized Evaluation of Mechanical Assistance for the Treatment of Congestive Heart Failure) and published in November 2001, found that the HeartMate VE ...
Based on the approval of cardiac contractility modulation devices, the therapy is a treatment option for patients that are at least 18 years old who suffer from heart failure symptoms due to left ventricular systolic dysfunction (LVSD) despite adequate medical treatment. Further clinical research are under way to identify which patient group ...
Pump thrombosis (PT) is considered a specific case of a major device malfunction, and is classified as either suspected or confirmed pump thrombus. Typically, the device is an implanted blood pump such as a left ventricular assist device. The malfunction is a blockage in the flow of blood anywhere along a vessel (upstream or downstream) and it ...
left ventricular assist device: LVEDP: left ventricular end diastolic pressure: LVEF: left ventricular ejection fraction: LVF: left ventricular failure: LVH: left ventricular hypertrophy: LVOT: left ventricular outflow tract: LVNC: left ventricular noncompaction (see noncompaction cardiomyopathy) LVP: Large volume paracentesis: LWBS: left ...
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A ventricular-assist device. Cardiovascular-related artificial organs are implanted in cases where the heart, its valves, or another part of the circulatory system is in disorder. The artificial heart is typically used to bridge the time to heart transplantation, or to permanently replace the heart in case heart transplantation is impossible.