The notion that life-supporting organs could one day be replaced by machines is no longer just the stuff of science fiction. Abiomed Inc. 's AbioCor total heart replacement has now been implanted in three patients. Those events, and data from a dramatically successful trial of Thoratec Corp. 's HeartMate VE left ventricular assist device (VAD), point the way to a future in which patients will be able to go about their daily lives with the assistance of implantable devices hidden inside their bodies. Yet clinicians are only now waking up to the need to service these complex devices post-transplant.
The REMATCH (Randomized Evaluation of Mechanical Assistance for the Treatment of Congestive Heart failure) data were gathered in a pivotal...