CardiacAssist, Inc. to Exhibit TandemHeart(R) PTVA(R) System at ISHLT 2007 Annual Meeting

PITTSBURGH, April 23 /PRNewswire/ -- CardiacAssist, Inc., a Pittsburgh- based medical device company that develops, manufactures and markets circulatory support devices, is exhibiting the TandemHeart(R) System April 25-28, 2007, at the 2007 Annual Meeting of the International Society for Heart and Lung Transplantation (ISHLT) in San Francisco, Calif.

The TandemHeart System is now used in all 20 of the top 20 heart and heart surgery hospitals as ranked in the 17th annual U.S. News & World Report guide to “America’s Best Hospitals.” The TandemHeart System is also now being used in 100 hospitals worldwide. The TandemHeart System provides extracorporeal circulatory support through a percutaneous cardiac catheterization procedure in as little as 30 minutes.

ISHLT 2007 will be held this year at the Hilton San Francisco. The year’s scientific session will include sessions exploring the latest advances and future directions in circulatory support. CardiacAssist will be in booth number 703 with information and displays pertaining to its TandemHeart System.

CardiacAssist recently surpassed its 900th successful TandemHeart System procedure, and the recently introduced Escort Controller(TM) component is now available. The Escort Controller is one of three primary components of the TandemHeart System. Weighing only 21 pounds, it can be mounted at bedside, on an IV pole or on a table top. It is intended primarily for AC power use, but has enough battery back-up power for an hour of operation.

The TandemHeart System is designed to be used as an extracorporeal circulatory support system for procedures not requiring complete cardiopulmonary bypass. The device has received FDA 510(k) clearance for use for up to six hours and is the only FDA approved device of its kind in the U.S.

The TandemHeart System is significantly reimbursed by Medicare under existing DRG codes. The device can be placed rapidly in the cath lab or operating room, providing effective, reliable, temporary circulatory support. To date, the TandemHeart System has been used in 28 countries at 100 different facilities by 200 different physicians.

About CardiacAssist

Founded in 1996, CardiacAssist, Inc. is a privately held, Pittsburgh-based medical device company that develops, manufactures and markets innovative products designed to provide cardiologists and cardiac surgeons with minimally invasive solutions for providing extracorporeal circulatory support. Its vision is to help advance the treatment of heart disease by bridging gaps in current treatment methodologies.

This press release may contain certain forward-looking statements that relate to CardiacAssist’s future business and financial performance. Such statements are subject to a number of risks and uncertainties that may cause the actual events or future results to differ from those discussed herein.

Media Contact: Dan Snyders Armada Medical Marketing 303-623-1190 x230 dan@armadamedical.com Monica Bush CardiacAssist, Inc. 412-963-7770 x247 mbush@cardiacassist.com

CardiacAssist, Inc.

CONTACT: Dan Snyders of Armada Medical Marketing, +1-303-623-1190 ext.230, dan@armadamedical.com, for CardiacAssist, Inc.; or Monica Bush ofCardiacAssist, Inc., +1-412-963-7770 ext. 247, mbush@cardiacassist.com

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