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J Vasc Surg. 2011 Feb;53(2):445-53. doi: 10.1016/j.jvs.2010.08.060. Epub 2010 Oct 27.

Treatment of peripheral arterial disease using stem and progenitor cell therapy.

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1
SRH-Klinikum Karlsbad-Langensteinbach, Angiology/Diabetology, Guttmannnstraβe 1, Karlsbad, Germany. holger.lawall@kkl.srh.de

Abstract

Peripheral arterial disease (PAD) is a highly prevalent atherosclerotic syndrome associated with significant morbidity and mortality. PAD is most commonly caused by atherosclerosis obliterans (ASO) and thromboangiitis obliterans (TAO), and can lead to claudication and critical limb ischemia (CLI), often resulting in a need for major amputation and subsequent death. Standard treatment for such severe cases of PAD is surgical or endovascular revascularization. However, up to 30% of patients are not candidates for such interventions, due to high operative risk or unfavorable vascular involvement. Therefore, new strategies are needed to offer these patients a viable therapeutic option. Bone-marrow derived stem and progenitor cells have been identified as a potential new therapeutic option to induce angiogenesis. These findings prompted clinical researchers to explore the feasibility of cell therapies in patients with peripheral and coronary artery disease in several small trials. Clinical benefits were reported from these trials including improvement of ankle-brachial index (ABI), transcutaneous partial pressure of oxygen (TcO(2)), reduction of pain, and decreased need for amputation. Nonetheless, large randomized, placebo-controlled, double-blind studies are necessary and currently ongoing to provide stronger safety and efficacy data on cell therapy. Current literature is supportive of intramuscular bone marrow cell administration as a relatively safe, feasible, and possibly effective therapy for patients with PAD who are not subjects for conventional revascularization.

PMID:
21030198
DOI:
10.1016/j.jvs.2010.08.060
[Indexed for MEDLINE]
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