Total Artificial Heart
Fig. 13.1 Current driver for CardioWest TAH-t on left shown with new drivers drawn to scale: Companion Driver attached to patient weighs 18 kg, the much smaller Freedom Driver, further…
Mechanical Circulatory Support as a Bridge to Transplantation
Fig. 10.1 HeartMate I XVE (courtesy of Thoratec Corp., used with permission) The device employs pusher plate technology to produce pulsatile flow with a stroke volume of 83 cm3 and…
Aortic Valve Replacement for Severe Aortic Stenosis or Aortic Insufficiency with Advanced Left Ventricular Dysfunction
Fig. 5.1 (a) Parasternal long-axis view with color flow imaging by transthoracic echocardiography shows severe aortic insufficiency. (b) Parasternal long-axis view shows severe annuloaortic ectasia causing poor coaptation of the…
Cardiac Transplantation
Fig. 9.1 After opening of the pericardium, the aorta and pulmonary artery are isolated and dissected in preparation for division Figure 9.2 shows the lines of transaction for the SVC,…
Triage VADs: TandemHeart, Impella, and CentriMag
Fig. 8.1 An algorithm depicting the potential courses of care for patients with severe cardiogenic shock The etiology of heart failure plays a major role in determining the ultimate course…
Newer-Generation Rotary Blood Pumps
Fig. 12.1 The paracorporeal pulsatile left ventricular assist device used by Dr. Michael E. DeBakey in the 1960s (image property of Texas Heart Institute) Throughout the 1960s and 1970s, several…
Cardiac Resynchronization in Advanced Heart Failure: Biventricular Pacing
Fig. 7.1 Relation between dyssynchrony and cardiac output Typically a widened QRS on the EKG has been considered a surrogate for LV dyssynchrony. Hawkins and their group noted increasing prevalence…
Ventricular Assist Devices for Destination Therapy
Fig. 11.1 The HeartMate XVE (Thoratec Inc., Pleasanton, CA) first-generation pulsatile LVAD and HeartMate II axial flow LVAD. (Courtesy of Thoratec Corp., used with permission.) Several LVADs with third-generation design…
Principles of Heart Failure
Fig. 1.1 Myocardial infarction culminating in heart failure; the direct consequences of myocardial infarction and the subsequent local and peripheral responses designed to protect the body from the effects of…
Ventricular Remodeling for Ischemic Cardiomyopathy and Ventricular Asynergy Post Myocardial Infarction
Indications •Anteroseptal myocardial infarction •Congestive heart failure •Depressed ejection fraction % •Large area of akinesis/dyskinesis –Asynergy of >30 % of LV surface •Enlarged ventricle –End-diastolic volume index >120 cc/m2 –End-systolic…
