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Use of a Percutaneous Ventricular Assist Device/Left Atrium to Femoral Artery Bypass System for Cardiogenic Shock
Published on: August 16, 2021
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Outcomes following left ventricular assist device exchange
Teruhiko Imamura1,2, Nikhil Narang3, Daniel Rodgers1
1Department of Medicine, University of Chicago Medical Center, Chicago, Illinois.
Journal of Cardiac Surgery
|January 17, 2020
Summary
Left ventricular assist device (LVAD) exchange outcomes are comparable to initial implants. While LVAD exchange may help manage pump thrombosis, ongoing monitoring is crucial.
Area of Science:
- Cardiology
- Mechanical Circulatory Support
Background:
- Left ventricular assist device (LVAD) exchange historically carries high risks.
- Contemporary outcomes of LVAD exchange are not well-established.
Purpose of the Study:
- To compare clinical outcomes of LVAD exchange versus initial LVAD implantation.
- To evaluate the safety and efficacy of LVAD exchange in a current patient population.
Main Methods:
- A cohort of 115 LVAD patients (2014-2017) was followed for 1 year.
- 15 patients underwent LVAD exchange; 100 did not (non-exchange group).
Main Results:
- One-year survival was higher in the LVAD exchange group (93% vs. 76%, P=.15).
- Readmission rates were similar, except for a higher pump thrombosis rate in the exchange group (P<.05).
Conclusions:
- LVAD exchange demonstrates comparable clinical outcomes to non-exchange cohorts.
- LVAD exchange is a viable option for pump thrombosis management, requiring vigilant monitoring for recurrence.
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