Reduction in the Ratio of Low-density Lipoprotein Cholesterol to Highdensity Lipoprotein Cholesterol is Associated with Increased Risks of Hemorrhagic Transformation in Patients with Acute Ischemic Stroke

Author(s): Yanan Wang, Chenchen Wei, Quhong Song, Junfeng Liu, Yajun Cheng, Yisong Li, Bo Wu, Ming Liu*.

Journal Name: Current Neurovascular Research

Volume 16 , Issue 3 , 2019

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Abstract:

Background and Purpose: Hemorrhagic transformation (HT) is a potentially serious complication in patients with acute ischemic stroke (AIS). Whether the ratio of low-density lipoprotein cholesterol to high-density lipoprotein cholesterol (LDL-C/HDL-C) is associated with HT remains unclear.

Methods: Ischemic stroke patients within 7 days of stroke onset from January 2016 to November 2017 were included in this study. Lipid profiles were measured within 24h after admission. HT was determined by a second computed tomography or magnetic resonance imaging within 7 days after admission. Univariate and multivariate logistic regression analysis was used to assess the association between LDL-C/HDL-C and HT.

Results: We enrolled 1239 patients with AIS (788 males; mean age, 64 ± 15 years), of whom 129 (10.4%) developed HT. LDL-C/HDL-C was significantly lower on admission in patients with HT than those without HT (2.00 ± 0.89 vs. 2.25 ± 1.02, P=0.009). The unadjusted odds ratio (OR) of low LDL-C/HDL-C for HT was 2.07 (95% confidence interval [CI] 1.42-3.01, P<0.001). After adjustment for possible confounders, lower LDL-C/HDL-C (≤1.52) was significantly associated with HT (OR 1.53, 95% CI: 1.02-2.31, P=0.046). Similar results were observed between lower LDL-C (≤ 4 mmol/L) and HT (OR 4.17, 95% CI: 1.25-13.90, P=0.02). However, no significant association was found between HT and high HDL-C, low triglycerides or low total cholesterol.

Conclusion: Lower LDL-C/HDL-C and LDL-C were significantly associated with increased risk of HT after AIS. Further investigations are warranted to confirm these findings and then optimize lipid management in stroke patients with lower LDL/HDL-C or LDL-C.

Keywords: LDL-C/HDL-C, hemorrhagic transformation (HT), acute ischemic stroke, LDL-C, HDL-C, lipid profiles.

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Article Details

VOLUME: 16
ISSUE: 3
Year: 2019
Page: [266 - 272]
Pages: 7
DOI: 10.2174/1567202616666190619151914
Price: $58

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