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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 2004 Giugno;23(2):122-7
White blood cell and endothelial cell response to endovascular procedures in the leg
Danielsson P. 1, Danielsson G. 1, Truedsson L. 2, Norgren L. 1
1 Department of Vascular Diseases, University Hospital MAS, Malmö, Sweden
2 Department of Microbiology, Immunology and Glycobiology, University Hospital, Lund, Sweden
Aim. The longterm patency of endovascular procedures is partly depending on restenosis by intimal hyperplasia, a process depending on inflammatory mechanisms resembling the mechanisms of normal repair and the process of atherosclerosis. The aim of this study was to characterize the inflammatory response of white blood cells (WBC) and endothelial cells following endovascular procedures in the leg.
Methods. Venous blood samples were drawn from a cubital vein before and 2 hours after intervention in 19 patients suffering from peripheral arterial occlusive disease (PAOD). Flow cytometry was used to identify and determine the concentrations of WBC and platelets and to measure CD11b/CD18 on WBC and CD41 on platelets. Soluble endothelial markers (sICAM-1, sE-selectin, sP-selectin and sVCAM-1) were measured by ELISA technique.
Results. WBC were downregulated following endovascular procedures. The endothelial cell response was limited and only downregulation of sP-selectin reached significant levels. The results were more evident in the group of patients with critical limb ischemia (CLI) compared to patients with intermittent claudication (IC).
Conclusion. Endovascular procedures in the leg evoke only a limited response which is depending on the degree of ischemia and the magnitude of the interventional procedure.