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Abstract 19808: Short Term Outcomes After Use of Bone Marrow Transplantation for Management of Heart Failure: A Meta-analysis

The role of bone marrow cell transplant in ischemic heart failure is being increasingly recognized. Multiple studies have been published evaluating their use with varying results. We aimed to perform a meta-analysis of the published literature.

We searched Pubmed, EBSCO and Cochrane databases for terms “bone marrow transplant”, “stem cell transplant”, “heart failure”, “cardiac failure” and their combinations. Only studies comparing bone marrow cell transplantation via intracoronary route to placebo, and those with 6 month follow up data were included. Studies in language other than English were excluded.

Results: Ejection fraction was significantly increased with the use of bone marrow cell transplant compared to placebo (mean difference 6.16% 95%CI 4.16 to 8.16, p < 0.00001). No significant differences were observed in left ventricular (LV) end-systolic volume (mean difference -1.58 ml 95%CI -4.98 to 1.82, p = 0.36), LV end-diastolic volume (mean difference -0.77 ml 95%CI -3.75 to 2.22, p = 0.61) and mortality (odds ratio 1.08 95%CI 0.26 to 4.56, p = 0.92). Results of heterogeneity analysis showed significant heterogeneity only for ejection fraction endpoint (p = 0.01).

Conclusion: As compared to placebo, intracoronary bone marrow cell transplant is associated with improved LV ejection fraction by 6% in ischemic heart failure patients at 6 month follow up.