Local atherosclerotic plaques are a source of prognostic biomarkers for adverse cardiovascular events

Dominique P. V. de kleijn, Frans L. Moll, Willem E. Hellings, Gonen Ozsarlak-Sozer, Peter de Bruin, Pieter A. Doevendans, Aryan Vink, Louise M. Catanzariti, Arjan H. Schoneveld, Ale Algra, Mat J. Daemen, E. A. Biessen, W. de Jager, Huoming Zhang, Jean-Paul de Vries, Erling Falk, Sai K. Lim, Peter J. van der Spek, Siu Kwan Sze, Gerard Pasterkamp

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Abstract

Atherosclerotic cardiovascular disease is a major burden to health care. Because atherosclerosis is considered a systemic disease, we hypothesized that one single atherosclerotic plaque contains ample molecular information that predicts future cardiovascular events in all vascular territories. AtheroExpress is a biobank collecting atherosclerotic lesions during surgery, with a 3-year follow-up. The composite primary outcome encompasses all cardiovascular events and interventions, eg, cardiovascular death, myocardial infarction, stroke, and endovascular interventions. A proteomics search identified osteopontin as a potential plaque biomarker. Patients undergoing carotid surgery (n=574) served as the cohort in which plaque osteopontin levels were examined in relation to their outcome during follow-up and was validated in a cohort of patients undergoing femoral endarterectomy (n=151). Comparing the highest quartile of carotid plaque osteopontin levels with quartile 1 showed a hazard ratio for the primary outcome of 3.8 (95% confidence interval, 2.6-5.9). The outcome did not change after adjustment for plaque characteristics and traditional risk factors (hazard ratio, 3.5; 95% confidence interval, 2.0-5.9). The femoral validation cohort showed a hazard ratio of 3.8 (95% confidence interval 2.0 to 7.4) comparing osteopontin levels in quartile 4 with quartile 1. Plaque osteopontin levels in single lesions are predictive for cardiovascular events in other vascular territories. Local atherosclerotic plaques are a source of prognostic biomarkers with a high predictive value for secondary manifestations of atherosclerotic disease
Original languageEnglish
Pages (from-to)612-619
JournalArteriosclerosis, Thrombosis, and Vascular Biology
Volume30
Issue number3
DOIs
Publication statusPublished - 2010

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