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Timothy P. Martens
Mark J. Russo
Faisal H. Cheema
Stephen H. Bailey
Yoshifumi Naka
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J Thorac Cardiovasc Surg 2007;133:841-842
© 2007 The American Association for Thoracic Surgery

Brief Communication

Comparisons of infection complications between continuous flow and pulsatile flow left ventricular assist devices

Allison R. Schulman, BAa, Timothy P. Martens, MDa, Paul J. Christos, MPH, MSb, Mark J. Russo, MD, MSa, George M. Comas, MDa, Faisal H. Cheema, MDa, Tariq M. Naseem, MDa, Raymond Wang, BAa, Katharine A. Idrissi, MSNa, Stephen H. Bailey, MDa, Yoshifumi Naka, MD, PhDa,*

a Division of Cardiothoracic Surgery, Columbia University Medical Center, New York, NY
b Division of Biostatistics and Epidemiology, Department of Public Health, Weill Medical College of Cornell University, New York, NY.

Received for publication September 23, 2006; accepted for publication September 28, 2006.

* Address for reprints: Yoshifumi Naka, MD, PhD, Division of Cardiothoracic Surgery, 177 Fourth Washington Ave, MHB 7-435, New York, NY 10032. (Email: yn33@columbia.edu).

The first 20% of the full text of this article appears below.

The implantation of a left ventricular assist device (LVAD) both as a bridge to transplantation and as destination therapy is being used with increasing frequency in patients with end-stage heart failure. Two main types of LVADs are currently being used: pulsatile and continuous flow devices. Continuous devices are much smaller and produce a continuous flow with either an axial or centrifugal flow pump. These devices fill during both the systolic and diastolic phase.1Go

Despite the overall success of LVAD support and the advances in design in both types of devices, infection continues to be a common morbidity of mechanical circulatory support and remains a serious threat to the long-term survival of patients using LVADs.2,3Go This study was designed to determine the differences in infection rates between patients with puslatile pumps (HeartMate I; Thermo Cardiosystems, Inc, Woburn, Mass) versus those with axial flow devices (HeartMate II or DeBakey; MicroMed Technology, Inc, Houston, Tex).

Patients and Methods

We retrospectively reviewed the case histories . . . [Full Text of this Article]




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