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Pump thrombus is dreaded complication of CF LVAD technology [1] that can require repeat surgery to replace the pump or lead to death. [2] In suspected pump thrombus, the clinical patient condition or pump parameters suggest thrombus on any of the blood-contacting surfaces of the pump (inflow cannula, pump itself, or outflow graft).
The first left ventricular assist device (LVAD) system was created by Domingo Liotta at Baylor College of Medicine in Houston in 1962. The first LVAD was implanted in 1963 by Liotta and E. Stanley Crawford. The first successful implantation of an LVAD was completed in 1966 by Liotta along with Dr. Michael E. DeBakey.
Velocity Time Integral is a clinical Doppler ultrasound measurement of blood flow, equivalent to the area under the velocity time curve. The product of VTI (cm/stroke) and the cross sectional area of a valve (cm2) yields a stroke volume (cm3/stroke), which can be used to calculate cardiac output.
LVAD may stand for: Left ventricular assist device, see Ventricular assist device; Low-Velocity Airdrop, see HALO/HAHO This page was last edited on 28 ...
Increased left ventricular hypertrophy with increased EDV and SV is seen with athletes [1] and in healthy normal elderly individuals. [2] Moderate hypertrophy allows for a lower heart rate, increased diastolic volume, and thus higher stroke volume.
Berlin Heart manufactures two types of VADs: implantable and paracorporeal. INCOR is an axial-flow pump for support of the left ventricle.In this system, the pump is implanted directly next to the heart and is connected to the heart by cannula.
Impedance cardiography (ICG) is a non-invasive technology measuring total electrical conductivity of the thorax and its changes in time to process continuously a number of cardiodynamic parameters, such as stroke volume (SV), heart rate (HR), cardiac output (CO), ventricular ejection time (VET), pre-ejection period and used to detect the impedance changes caused by a high-frequency, low ...
This normal ventricular impulse is often an average of a multiple of normal beats of the patient acquired in the recent past and known as a template. The integration of these various parameters is very complex, and clinically, the occurrence of inappropriate therapy is still occasionally seen and a challenge for future software advancements.