Effective high-density lipoprotein cholesterol is associated with carotid intima-media thickness and vascular events after acute ischemic stroke
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- 2022
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BACKGROUND AND AIMS: Effective high density lipoprotein cholesterol (HDL-C) is a measure of HDL functionality. We evaluated if HDL-C is associated with carotid intima-media thickness (cIMT) and incident major adverse cardiovascular events (MACE) in patients with acute ischemic stroke from two prospective cohort studies.
METHODS: In the MARK-STROKE cohort, 299 patients with acute ischemic stroke or TIA were included. Outcome was available in 219 patients during a median follow-up of 294 days. In CIRCULAS, 382 acute ischemic stroke patients were included and a 90-day follow-up was available in 213 patients. HDL-C was calculated based on symmetric dimethylarginine (SDMA) and HDL cholesterol concentrations. Main outcome was incident MACE (death, stroke, and myocardial infarction) and the main measure was cIMT.
RESULTS: In both studies, HDL-C was inversely associated with cIMT in linear regression analysis adjusted for age, sex and creatinine. In MARK-STROKE, the adjusted hazard for MACE was significantly reduced for patients with one unit increase (mg/dL) of HDL-C (hazard ratio 0.95 [95% confidence interval (CI): 0.92, 0.99]). In the CIRCULAS cohort, stroke patients with higher HDL-C had less incident MACE during 90 days of follow-up (odds ratio: 0.97 [95% CI: 0.94, 0.99] for one unit increase). Neither SDMA nor HDL cholesterol predicted outcome.
CONCLUSIONS: Our findings imply a protective role of biologically effective HDL after acute cerebral ischemia for secondary events and emphasize the relevance of lipoprotein functionality in these patients.
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- info:eu-repo/semantics/closedAccess
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- Forschungsinformationssystem des UKE
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