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Use of Two Intracorporeal Ventricular Assist Devices As a Total Artificial Heart
Published on: May 11, 2018
Heart transplantation and left ventricular assist device therapy: two comparable options in end-stage heart failure?
Jens Garbade1, Markus J Barten, Hartmuth B Bittner
1Department of Cardiac Surgery, Heart Center, University of Leipzig, Leipzig, Germany. garbade@med.uni-leipzig.de
Insights
Left ventricular assist device (LVAD) therapy offers a promising alternative for advanced heart failure patients awaiting heart transplantation. This review compares LVADs to transplantation and discusses future LVAD advancements.
Area of Science:
- Cardiology
- Medical Devices
- Surgical Innovation
Background:
- Heart transplantation is the primary curative treatment for chronic heart failure, with a 10-year survival rate of approximately 50%.
- A significant shortage of donor organs and an increasing number of patients awaiting heart transplantation necessitate the exploration of alternative therapies.
- Left ventricular assist devices (LVADs) are emerging as a crucial alternative strategy for managing advanced heart failure.
Purpose of the Study:
- To evaluate the clinical utility and long-term outcomes of a specific miniaturized LVAD compared to heart transplantation.
- To explore future advancements and optimization of LVAD technology.
- To discuss the challenges associated with using LVADs as an alternative to heart transplantation within a 5-year perspective.
Main Methods:
- Review of clinical data and long-term outcomes of a miniaturized continuous-flow LVAD.
- Analysis of current trends and technical advancements in LVAD development.
- Discussion of challenges and future outlook for LVADs as alternatives to heart transplantation.
Main Results:
- Miniaturized LVADs demonstrate evolving potential as a bridge to transplantation or destination therapy for advanced heart failure.
- Continuous-flow pump technology is advancing, improving the viability of LVADs in clinical practice.
- The comparative efficacy and role of LVADs versus heart transplantation remain subjects of ongoing clinical discussion and research.
Conclusions:
- LVAD therapy represents a significant development in managing advanced heart failure, offering an alternative to traditional heart transplantation.
- Ongoing technical improvements in LVADs are crucial for enhancing patient outcomes and expanding their application.
- Careful consideration of challenges and future advancements is necessary to fully integrate LVADs as a viable alternative to heart transplantation.
Abstract:
Heart transplantation is the only curative therapy for chronic heart failure, and it plays an important role in the treatment of chronic heart failure with a survival rate of approximately 50% of all patients after 10 years. This has to be kept in mind when alternative therapies enter into our daily routine in treating this patient population. However, the shortage of appropriate donor organs and the expanding pool of patients waiting for heart transplantation have led to growing interest in alternative strategies, particularly in left ventricular assist device (LVAD) therapy. With growing clinical experience and continued technical advances, continuous-flow pumps are evolving as a bridge to transplantation or as a destination therapy for advanced heart failure. Nevertheless, the importance of this new indication of chronic cardiac support compared to heart transplantation is still completely open and the object of controversial ongoing discussion. This review (1) describes the clinical use and long-term outcome of a currently available miniaturized LVAD in the context to the standard of care-heart transplantation, (2) provides an outlook of the ongoing process of further optimization of LVADs, and (3) comments on the challenges with assist devices as alternatives to transplantation with a 5-year outlook.
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