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Laurence K. Groves
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Ann Thorac Surg 1980;29:66-69
© 1980 The Society of Thoracic Surgeons

Articles

Initial Clinical Experience with a New Temporary Left Ventricular Assist Device

Leonard R. Golding, M.D.*, Laurence K. Groves, M.D., Mohan Peter, M.D., Gordon Jacobs, M.S.E.E., Ronald Sukalac, B.S., Yukihiko Nosé, M.D., Floyd D. Loop, M.D.

Departments of Thoracic and Cardiovascular Surgery and Research, The Cleveland Clinic Foundation, Cleveland, OH

Accepted for publication January 10, 1979.

* Address reprint requests to Dr. Golding, Department of Thoracic and Cardiovascular Surgery, The Cleveland Clinic Foundation, 9500 Euclid Ave, Cleveland, OH 44106

A new, simple left ventricular assist system has been developed and its use in experimental animals has been evaluated. The system achieves ventricular drainage by a transaortic valve cannula and utilizes a new centrifugal pump; the blood access is unique in requiring only a simple end-to-side synthetic graft anastomosis to the ascending aorta. Adequate pulsatility is obtained by concomitant use of an intraaortic balloon pump. This case report documents our initial clinical experience with this system in a postoperative patient with profound left ventricular failure unresponsive to all usual treatment. There was temporary recovery of left ventricular function upon decannulation after five and a half days of assist pumping. Despite the eventual death of the patient, the system functioned adequately, suggesting that it has good potential for use in a small, selected group of patients.




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