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Heart Fail Rev. 2009 Jun;14(2):101-12. doi: 10.1007/s10741-008-9097-7. Epub 2008 Jun 12.

Mechanical circulatory support devices for acute heart failure syndromes: considerations for clinical trial design.

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1
Center for Heart Failure, Bluhm Cardiovascular Institute, Northwestern University, Feinberg School of Medicine, 201 East Huron Street, Galter 11-120, Chicago, IL 60611, USA. joconnell@northwestern.edu

Abstract

Mechanical circulatory support (MCS) devices are a guideline-recommended treatment option for a small subset of advanced heart failure patients. MCS has the potential to become more prominent in the management of Acute Heart Failure Syndromes (AHFS) as device technology advances and as clinical trials consistently discover neutral or harmful effects with pharmacologic therapies hypothesized to be beneficial in this population. While it is now possible to identify AHFS patients who are at high risk of death, the therapeutic options available to improve their long-term outcomes are limited. MCS therapy in this population offers a "bridge to recovery" strategy; these patients may have viable myocardium that responds favorably to the influence of MCS on neurohormones, cytokines, and/or reverse remodeling. Patients at high risk for mortality who have a substantial likelihood of benefiting from MCS can be easily identified using standard clinical criteria developed from large observational databases. MCS technology is rapidly evolving, and risks related to implantation are declining. It is evident that rigorous clinical trial testing of the potential risks, benefits, and economic implications of MCS in patients with AHFS will need to be conducted before the "routine" application of this aggressive therapy. This paper examines the rationale for conducting trials of MCS devices in patients with AHFS, and it explores considerations for patient selection and appropriate endpoints. This manuscript was generated from discussions on this issue during the third international meeting of the International Working Group on AHFS held in Washington, DC, April 8-9, 2006.

PMID:
18548344
DOI:
10.1007/s10741-008-9097-7
[Indexed for MEDLINE]
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