Ventricular Assist Devices (VADs)
Ventricular Assist Devices (VADs)
Patients with New York Heart Association Classification IV who
have failed medical therapyPatient Teaching-Cleveland Clinic for
Heart Failure LVAD devices
Schematic Diagram of Left VAD
Left ventricular assist device
The HeartMate II -one of several new LVAD devices- designed to
last longer with simplicity of only one moving part; also much
lighter and quieter than its predecessors; major differences is
rotary action which creates a constant flow of blood, not pumping
action.
HeartMate II
Cardiomyoplasty technique: left latissimus dorsi muscle(LDM)
transposed into chest through a window created byresecting the
anterior segment of 2nd rib (5 cm). LDM isthen wrapped around both
ventricles. Sensing and pacingelectrodes are connected to an
implantable cardiomyostimulator
Left Ventricular reduction Surgery-Bautista procedureindicated
in some cases
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Ventricular Assist Devices (VADs)
Indications for VAD therapyExtension of cardiopulmonary bypass
Failure to weanPostcardiotomy cardiogenic shock Bridge to recovery
or cardiac transplantation
