A modified surgical technique for the Jarvik 2000 using a postauricular approach.

ABSTRACT

The Jarvik 2000, with a postauricular cable, is a left ventricular assistance device with a driveline that is passed to the postauricular region subcutaneously. A titanium pedestal base that holds a 3-pin connector is fixed to the parietal bone, posterior to the auricle. Essentially, the device is fixed in the same position as a cochlear implant; however, the disadvantages include continuous mechanical stress on the cable by neck rotations, and the visibility of the apparatus. To improve such concerns, we adjusted the location of the pedestal of the lower parietal bone to just above the transverse sinus and closer to the mastoid process. To reach this point, the internal cable was passed through the retromastoid pathway commonly used in ventriculoperitoneal shunting. The thickness of the skull at this location is sufficient for safe fixation; however, preoperative evaluation by a neurosurgeon using CT is necessary.