4 years ago

The In-Hospital Cost of Ventricular Assist Device Therapy: Implications for Patient Selection

The In-Hospital Cost of Ventricular Assist Device Therapy:  Implications for Patient Selection
Ardehali, Abbas, Benharash, Peyman, Satou, Nancy, Kwon, Oh Jin, Salimbangon, Anthony, Shemin, Richard J., Iyengar, Amit, Kwon, Murray H., Tamrat, Msgana
Ventricular assist device (VAD) therapy is increasingly utilized to support patients in end-stage heart failure. However, VAD programs are resource intensive and demand active monitoring to ensure long-term sustainability. The purpose of this study was to analyze total cost trends of the VAD program at our academic medical center. Retrospective analysis of University of California - Los Angeles’s VAD program between 2013 and 2014 was performed. Total in-hospital costs from the date of VAD surgery admission were queried and normalized to a z score. Multivariable linear regression analysis with step-wise elimination was used to model total costs. Overall, 42 patients received a VAD during the study period, with 19 (45%) receiving biventricular support. On univariate analysis, high body mass index, biventricular support, time between VAD implantation and discharge, and total length of hospital stay were correlated with higher costs (all p < 0.02). On multivariable analysis, time between VAD implantation and discharge and biventricular support remained significantly related to total costs (overall R2 = 0.831, p < 0.001). The time between VAD implantation and discharge and the use of biventricular support were the most predictive factors of total cost in our VAD population. Reducing hospital stay post-VAD implantation is important in minimizing the cost of VAD care.
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