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Atherosclerosis. 1999 Jan;142(1):193-200.

Circulating cell adhesion molecules and endothelial markers before and after transluminal angioplasty in peripheral arterial occlusive disease.

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  • 1Department of Central Laboratory, University Hospital Basel, Switzerland.


In the present study, the levels of soluble adhesion molecules P- and E-selectin, intercellular adhesion molecule-1 (ICAM-1), vascular adhesion molecule-1 (VCAM-1) and of other markers of endothelial activation or injury, such as thrombomodulin, von Willebrand factor (vWF), as well as homocysteine, were prospectively investigated in 71 patients (21 women, 50 men, age 68+/-13) with predominantly femoropopliteal peripheral arterial occlusive disease (PAOD, stage II-IV, Fontaine) before and after percutaneous transluminal angioplasty (PTA). Thirty patients (42.3%) developed restenosis within 6 months, defined as a > 50% reduction of the lumen diameter at the site of PTA. At entry in the study, 46% and 58% of all patients had higher than normal levels of soluble P-selectin and VCAM-1, respectively. Thrombomodulin (P < 0.01) measured at entry, was significantly higher in patients who developed late restenosis, with trends for higher values for P-selectin, VCAM-1 and vWF. The relative risks for developing restenosis were 2.41 (CI95%: 1.23-4.75) and 1.54 (CI95%: 0.98-2.72) for thrombomodulin and P-selectin, respectively. Soluble P-selectin and the severity of PAOD (Fontaine stage III/IV) were found to be statistically indicative factors for late restenosis in a logistic regression risk factor analysis with an overall predictive value of 72%. At 6 months, those who developed restenosis had also higher soluble P-selectin (P < 0.01), VCAM-1 (P < 0.05) and a trend for higher thrombomodulin. Homocysteine was elevated in 52% of the patients at entry but neither was it associated with higher restenosis rates nor did it correlate with the levels of thrombomodulin or the other adhesion molecules. These findings indicate that patients with PAOD have to a significant proportion, elevated levels of circulating soluble adhesion molecules and markers of endothelial activation occurring in concert with an ongoing atherosclerotic process.

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