Risk factors and their impact on carotid intima-media thickness in young and middle-aged ischemic stroke patients and controls: The Norwegian Stroke in the Young Study

BMC Research Notes

Ulrike Waje-Andreassen¹  Lars Thomassen²  Halvor Naess³  Øystein Ariansen Haaland⁴  Annette Fromm² 

[1] Centre for Neurovascular Diseases, Department of Neurology, Haukeland University Hospital, Bergen, Norway;Department of Clinical Medicine, University of Bergen, Bergen, Norway;Centre for age-related medicine, Stavanger University Hospital, Stavanger, Norway;Department of Global Public Health and Primary Health Care, University of Bergen, Bergen, Norway

关键词: Ultrasound;    Atherosclerosis;    Carotid intima-media thickness;    Risk factors;    Ischemic stroke;    Young stroke;   

Others  :  1134170
DOI  :  10.1186/1756-0500-7-176

 received in 2014-03-07, accepted in 2014-03-20,  发布年份 2014

【 摘 要 】

Background

Vascular morbidity and mortality due to cardiovascular disease (CVD) are high after ischemic stroke at a young age. Data on carotid intima-media thickness (cIMT) as marker of atherosclerosis are scarce for young stroke populations. In this prospective case–control study, we examined cIMT, the burden of vascular risk factors (RF) and their associations among young and middle-aged ischemic stroke patients and controls. We aimed to detect clinical and sub-clinical arterial disease.

Methods

This study was conducted in 150 patients aged 15–60 years and 84 controls free of CVD. We related RF to ultrasonographic B-mode cIMT-measurements obtained from 12 standardized multiangle measurements in the common carotid artery (CCA), carotid bifurcation (BIF) and internal carotid artery (ICA).

Results

RF burden was higher among patients than among controls (p < 0.001). In multivariate analyses of all 234 participants, increased cIMT was associated with age in each carotid segment. Incident stroke was associated with increased ICA-IMT. ICA-IMT increase was associated with a family history of CVD among patients aged 15–44 years, and with RF at mid-age. The overall cIMT difference between patients and controls was 12% for CCA, 17% for BIF and 29% for ICA. Further, increased CCA-IMT was associated with male sex and hypertension. Increased BIF-IMT was associated with dyslipidemia, coronary heart disease and smoking. Increased ICA-IMT was associated with dyslipidemia and stroke.

Conclusions

Ischemic stroke is associated with increased ICA-IMT, related to a family history of CVD among patients aged <45 years, and to increasing RF burden with increasing age. Preventive strategies and aggressive RF treatment are indicated to avoid future cardiovascular events.

Trial registration

NOR-SYS is registered in ClinicalTrials.gov (NCT01597453).

【 授权许可】

   
2014 Fromm et al.; licensee BioMed Central Ltd.

【 图 表 】

Figure 1.

Figure 2.

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