A review of clinical ventricular assist devices

Timms, Daniel (2011) A review of clinical ventricular assist devices. Medical Engineering and Physics, 33 9: 1041-1047. doi:10.1016/j.medengphy.2011.04.010

Author Timms, Daniel
Title A review of clinical ventricular assist devices
Journal name Medical Engineering and Physics   Check publisher's open access policy
ISSN 1350-4533
Publication date 2011-11
Sub-type Critical review of research, literature review, critical commentary
DOI 10.1016/j.medengphy.2011.04.010
Volume 33
Issue 9
Start page 1041
End page 1047
Total pages 7
Place of publication Oxford, United Kingdom
Publisher Elsevier
Collection year 2012
Language eng
Abstract Given the limited availability of donor hearts, ventricular assist device (VAD) therapy is fast becoming an accepted alternative treatment strategy to treat end-stage heart failure. The field of mechanical ventricular assistance is littered with novel and unique ideas either based on volume displacement or rotary pump technology, which aim to sufficiently restore cardiac output. However, only a select few have made the transition to the clinical arena. Clinical implants were initially dominated by the FDA approved volume displacement Thoratec HeartMate I, IVAD, and PVAD, whilst Berlin Heart's EXCOR, and Abiomed's BVS5000 and AB5000 offered suitable alternatives. However, limitations associated with an inherently large size and reduced lifetime of these devices stimulated the development and subsequent implantation of rotary blood pump (RBP) technology. Almost all of the reviewed RBPs are clinically available in Europe, whilst many are still undergoing clinical trial in the USA. Thoratec's HeartMate II is currently the only rotary device approved by the FDA, and has supported the highest number of patients to date. This pump is joined by MicroMed Cardiovascular's Heart Assist 5 Adult VAD, Jarvik Heart's Jarvik 2000 FlowMaker and Berlin Heart's InCOR as the axial flow devices under investigation in the USA. More recently developed radial flow devices such as WorldHeart's Levacor, Terumo's DuraHeart, and HeartWare's HVAD are increasing in their clinical trial patient numbers. Finally CircuLite's Synergy and Abiomed's Impella are two mixed flow type devices designed to offer partial cardiac support to less sick patients. This review provides a brief overview of the volume displacement and rotary devices which are either clinically available, or undergoing the advanced stages of human clinical trials.
Keyword Artificial organs
Ventricular assist device
Rotary blood pump
Q-Index Code CX
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Critical review of research, literature review, critical commentary
Collections: Non HERDC
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