Ads
related to: lvad outflow cannula echodiscountcardiology.com has been visited by 10K+ users in the past month
Search results
Results from the WOW.Com Content Network
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.
In practical terms, the flow from the left ventricular outflow tract (LVOT) is compared to the flow at the level of the aortic valve. In echocardiography the aortic valve area is calculated using the velocity time integral (VTI) which is the most accurate method and preferred.
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).
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.
A ventricular outflow tract obstruction means there is a limitation in the blood flow out of either the right or left ventricles of the heart, depending on where the obstruction is. This can lead to cardiac hypertrophy , dilatation of the heart, and ultimately heart failure in some cases. [ 1 ]
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.
The right ventricular outflow tract (RVOT) is an infundibular extension of the ventricular cavity that connects to the pulmonary artery. The left ventricular outflow tract (LVOT), which connects to the aorta, is nearly indistinguishable from the rest of the ventricle. The outflow tract is derived from the secondary heart field, during ...
Tears or ruptures of the right ventricular outflow tract may occur during the procedure, especially if the tract is already heavily calcified. [4] This is reported to occur in up to 9% of procedures. [4] Most cases are manageable by using a covered stent and do not lead to severe bleeding. [4] Infective endocarditis occurs at a rate of about 1% ...
Ads
related to: lvad outflow cannula echodiscountcardiology.com has been visited by 10K+ users in the past month