PMID: 18212687Jan 24, 2008Paper

Intramuscular or combined intramuscular/intra-arterial administration of bone marrow mononuclear cells: a clinical trial in patients with advanced limb ischemia

The Journal of Cardiovascular Surgery
R B Van TongerenJ H Lindeman

Abstract

Recent evidence indicates that bone marrow mononuclear cells (BMC) promote collateral vessel formation in patients with severe peripheral arterial disease (PAD). However, aspects concerning optimal administration mode, durability and long-term safety require consideration. Combined intra-arterial (IA) plus intramuscular (IM) BMC delivery may be more effective than exclusive intramuscular injections. The aim of this study was to evaluate feasibility, safety and effect of exclusive IM versus combined IM+IA delivery of autologous BMC in patients who were not candidates for surgical or endovascular treatment. Twenty-seven patients were treated with either combined IA+IM (N=12) or sole IM (N=15) administration of autologous BMC. Efficacy was assessed after 1, 6 and 12 months. Limb salvage, pain-free walking distance, ankle-brachial pressure index (ABI) and pain scores were evaluated. There were no adverse reactions related to injection of the cells. Three patients died within the first year of follow-up due to non-procedure related causes. Two patients in the IA+IM group required limb amputation because of ongoing critical ischemia versus 7 patients in the IM group (P=0.17). BMC treatment in the remaining patients resulted in a sign...Continue Reading

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