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A Thrombotic Stroke Model Based On Transient Cerebral Hypoxia-ischemia
Published on: August 18, 2015
Stroke with polyvascular atherothrombotic disease
Miguel Blanco1, Tomás Sobrino, Joan Montaner
1Department of Neurology, Clinical Neuroscience Research Laboratory, Hospital Clínico Universitario, Universidad de Santiago de Compostela, Travesa da Choupana s/n, 15706 Santiago de Compostela, Spain.
Insights
Polyvascular atherothrombotic disease in stroke patients increases vascular recurrence and death risk. Inflammatory markers like IL-6 and VCAM-1 are strongly linked to these outcomes and disease progression.
Area of Science:
- Cardiovascular Medicine
- Neurology
- Inflammation Research
Background:
- Polyvascular atherothrombotic disease, affecting multiple vascular beds, is a significant risk factor for adverse cardiovascular events.
- Understanding its impact on stroke prognosis and inflammatory pathways is crucial for patient management.
Purpose of the Study:
- To investigate the influence of polyvascular atherothrombotic disease on stroke patient prognosis.
- To examine the relationship between polyvascular atherothrombotic disease and inflammatory markers.
- To analyze the progression of atherothrombotic disease in stroke patients.
Main Methods:
- Prospective observational study (MITICO) of 863 non-anticoagulated ischemic stroke patients.
- Measurement of inflammatory markers (hs-CRP, IL-6, ICAM-1, VCAM-1, MMP-9, c-Fn) at baseline and one-year follow-up.
- Definition of polyvascular disease based on history of angina-myocardial infarction, intermittent claudication, or ischemic limb amputation.
Main Results:
- 14.02% of patients had polyvascular atherothrombotic disease, exhibiting higher recurrence and vascular death rates (19.8% vs. 12.4%).
- Elevated baseline IL-6 and VCAM-1 levels were observed in polyvascular disease patients and independently predicted vascular events.
- Higher baseline IL-6, VCAM-1, c-Fn, and increased MMP-9/c-Fn over time were associated with atherothrombotic disease progression.
Conclusions:
- Stroke patients with polyvascular atherothrombotic disease face increased vascular recurrence and mortality.
- Inflammatory markers, particularly IL-6 and VCAM-1, are strongly associated with adverse outcomes and disease progression in these patients.
Objective:
To study the influence of polyvascular atherothrombotic disease on stroke patient prognosis, its relation with inflammatory markers, and to analyze the progression of atherothrombotic disease.
Methods:
MITICO is a multi-centered prospective observational study recruiting non-anticoagulated ischemic stroke patients. Blood samples were obtained at baseline and at one year follow-up for determination of high sensitivity C reactive protein (hs-CRP), interleukin 6 (IL-6), intercellular adhesion molecule 1 (ICAM-1), vascular cell adhesion molecule 1 (VCAM-1), matrix metalloproteinase 9 (MMP-9), and cellular fibronectin (c-Fn). Patients with polyvascular atherothrombotic disease were considered when presented a history of angina-myocardial infarction, intermittent claudication or ischemic limbs-amputation at inclusion.
Results:
The sample consisted of 863 patients, 121 of them considered as polyvascular atherothrombotic disease (14.02%). Recurrence and vascular death were higher in patients with polyvascular atherothrombotic disease, as compared to patients with monovascular atherothrombotic disease (19.8% vs. 12.4%, p=0.022). Baseline plasma levels of IL-6 and VCAM-1 were higher in patients with polyvascular atherothrombotic disease. IL-6 and VCAM-1 levels were independently associated with a new vascular episode/vascular death. This association was stronger in the group of patients with polyvascular atherothrombotic disease. Baseline levels of IL-6, VCAM-1 and c-Fn were significantly higher in patients who developed progression of atherothrombotic disease. The increase from baseline in MMP-9 and c-Fn levels after one year follow-up was associated to progression of atherothrombotic disease.
Conclusions:
Stroke patients with polyvascular atherothrombotic disease showed higher rates of vascular recurrence and a stronger association with inflammatory markers. Progression of atherothrombotic disease was associated with inflammatory markers.
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