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Ann Thorac Surg 1999;68:678-683
© 1999 The Society of Thoracic Surgeons

Description Of Devices And Surgical Techniques

Temporary pulsatile ventricular assist devices and biventricular assist devices

Reiner Körfer, MD, PhDa, Aly El-Banayosy, MDa, Latif Arusoglu, MDa, Kazutomo Minami, MD, PhDa, Thomas Breymann, MDa, Dirk Seifert, MDa, Lukas Kizner, MDa

a Department of Thoracic and Cardiovascular Surgery, Heart Center North Rhine-Westphalia, Ruhr University of Bochum, Bad Oeynhausen, Germany

Address reprint requests to Dr Körfer, Herzzentrum NRW, Klinik für Thorax- und Kardiovaskularchirurgie, Georgstr 11, D-32545 Bad Oeynhausen, Germany

Presented at the Fourth International Conference on Circulatory Support Devices for Severe Cardiac Failure, Houston, TX, Oct 3–5, 1997.

Abstract

Background. During the past years several systems for mechanical circulatory support have become available. In this study we describe our experience with short-term and mid-term application of the ABIOMED and Thoratec device.

Methods. Since 1990 the ABIOMED BVS and since 1992 the Thoratec VAD have been applied to 75 and 103 patients, respectively, with postcardiotomy heart failure, as a bridge-to-transplant procedure, and with different other indications.

Results. In the ABIOMED collective 25 of 50 patients (50%) with postcardiotomy heart failure and 1 of 4 patients with miscellaneous other indications could be discharged from hospital, 7 of 14 bridge-to-transplant patients (50%) underwent transplantation with a post-transplant survival of 86%. In the Thoratec collective 6 of 10 patients (60%) with postcardiotomy heart failure and 4 of 8 patients (50%) with miscellaneous indications could be discharged from hospital, 48 bridge-to-transplant patients (74%) underwent transplantation with a post-transplant survival of 90%.

Conclusions. The results show the versatility of the Thoratec VAD for short-term and mid-term application in patients with postcardiotomy heart failure and as a bridge-to-transplant procedure. The use of the ABIOMED device is not indicated for bridging patients to transplantation. Although in case of postcardiotomy heart failure, Thoratec is also superior to ABIOMED, the high costs of the Thoratec VAD limits its wide acceptance in this patient cohort.




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