Non-high-density lipoprotein cholesterol on the risks of stroke: a result from the Kailuan study

Jianwei Wu1, Shengyun Chen, Yong Zhou

  • 1Department of Neurology, Beijing TianTan Hospital, Capital Medical University, Beijing, China.

Plos One
|September 24, 2013
PubMed

Insights

Elevated non-high-density lipoprotein cholesterol (non-HDLC) is a significant risk factor for stroke. Higher non-HDLC levels increase the likelihood of total and ischemic stroke, but not hemorrhagic types.

Area of Science:

  • Cardiovascular Epidemiology
  • Lipid Metabolism
  • Cerebrovascular Disease

Background:

  • Non-high-density lipoprotein cholesterol (non-HDLC) is increasingly recognized as a key lipid marker.
  • Understanding the association between non-HDLC and stroke subtypes is crucial for risk stratification.

Purpose of the Study:

  • To prospectively investigate the relationship between serum non-HDLC levels and the incidence of stroke and its subtypes.
  • To determine if non-HDLC is an independent risk factor for different types of stroke.

Main Methods:

  • A cohort of 95,916 Chinese adults without prior cardiovascular events was followed for four years.
  • Serum non-HDLC was calculated by subtracting high-density lipoprotein cholesterol (HDLC) from total cholesterol.
  • Cox proportional hazards models were employed to assess the risk of stroke and its subtypes.

Main Results:

  • A total of 1614 stroke events were recorded, including ischemic stroke, intracerebral hemorrhage, and subarachnoid hemorrhage.
  • Increased non-HDLC levels were associated with a higher risk of total stroke (HR 1.08 per 20 mg/dL) and ischemic stroke (HR 1.10 per 20 mg/dL).
  • The highest quintiles of non-HDLC showed significantly elevated risks for total and ischemic stroke after adjusting for confounders.

Conclusions:

  • Serum non-HDLC is an independent risk factor for both total and ischemic stroke.
  • Higher concentrations of non-HDLC are linked to increased risks of total and ischemic stroke.
  • Non-HDLC levels did not show a significant association with the risk of intracerebral or subarachnoid hemorrhage.
Abstract

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