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Rivista di Angiologia
Official Journal of the , the International Union of Phlebology and the
Indexed/Abstracted in: BIOSIS Previews, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
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International Angiology 2008 August;27(4):281-90
Autologous intra-arterial infusion of bone marrow mononuclear cells in patients with critical leg ischemia
Chochola M. 1, Pytlík R. 2, Kobylka P. 3, Skalická L. 1, Kideryová L. 2, Beran S. 1, Varejka P. 1, Jirát S. 1, Køivánek J. 4, Aschermann M. 1, Linhart A. 1
1 2nd Department of Medicine, Cardiology and Angiology, General University Hospital, Prague, Czech Republic
2 Laboratory of Experimental Cellular Therapy, 1st Department of Medicine–Hematooncology, General University Hospital, Prague, Czech Republic
3 Institute of Hematology and Blood Transfusion, Prague, Czech Republic
4 Department of Radiology, General University Hospital, Prague, Czech Republic
Aim. The injection of bone marrow mononuclear cells (BMMC) into the gastrocnemius muscle has given promising results in patients with critical limb ischemia (CLI). In this article, we have assessed whether a less invasive procedure, i.e. intravascular BMMC infusion, could be effective in this population of patients.
Methods. A total of 28 limbs in 24 patients with CLI were treated. An amount of 276-700 mL of marrow blood was harvested from posterior iliac crests and BMMC were obtained by standard procedure used for bone marrow transplantation. After performance of digital subtraction angiography, BMMC were injected laterally through a 4 Fr sheet. Primary outcome was efficacy of the procedure measured as healing of defects, frequency of high amputations and change of ischemia grade; among secondary outcomes were safety of the procedure, angiographic changes and changes in quality of life.
Results. One year after treatment, all patients were alive and only 2 patients have undergone high amputation. Eleven of 14 defects have healed (78%) and Fontaine grade of ischemia has changed from median grade 3.5 to median grade 2 (P<0.0001). Collateral vessel development has improved by mean 1.13 and 1.3 points on a four-point semiquantitative scale in calf and foot, respectively (P<0.0001). There were no grade III-IV adverse events. According to the SF-36 quality of life questionnaire, 1 year after the procedure patients have reported significant improvement in all measured items.
Conclusion. Intra-arterial infusion of BMMC can lead to significant and long-lasting subjective and objective improvements in patients with CLI. The results merit validation by randomized controlled studies in patients with less critical limb ischemia.