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INTERNATIONAL ANGIOLOGY

Rivista di Angiologia


Official Journal of the International Union of Angiology, the International Union of Phlebology and the Central European Vascular Forum
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International Angiology 2007 March;26(1):8-11

lingua: Inglese

Peripheral arterial revascularization causing parallel increased activity of pro- and anti-inflammatory mediators

Parmar J. H., Aslam M., Standfield N. J.

Hammersmith Hospital, London, UK


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Aim. The aim of this study was to investigate the interaction between the proinflammatory mediator interleukin (IL)-6 and anti-inflammatory mediator IL-10 in ischemia reperfusion injury following peripheral arterial revascularization.
Methods. Three groups of patients were recruited (group 1: femoral angiography alone [n=14]; group 2: radiologically successful ilio/femoral angioplasty [n=10]; and group 3: peripheral surgical bypass [n=11]). Peripheral venous blood obtained for all patients at preprocedure and at 1 h and 24 h postprocedure. After centrifugation supernatant plasma was separated and analysed for proinflammatory cytokine IL-6 and anti-inflammatory cytokine IL-10 using enzyme linked immunosorbent assay (ELISA) technique.
Results. Levels of IL-6 at 1 and 24 h were significantly higher in group 3 (P<0.05 and P<0.01, respectively) and at 24 h in group 2 as compared to group 1 (P<0.05). Levels of IL-10 were significantly higher in group 3 at 24 h (P<0.05). In group 2 levels of IL-10 higher than group 1, but this did not reach statistical significance (P=0.07).
Conclusion. Raised levels of IL-6 at 1 and 24 h in patients undergoing operative peripheral bypass suggest early and persistent proinflammatory activity, similarly patients with successful angioplasty also demonstrated similar persistent proinflammatory activity of IL-6 at 24 h. Raised levels of IL-10 at 24 h represents anti-inflammatory properties of IL-10 counter acting inflammatory response.

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