Serum HDL-C Subfractions As Predictors of Cardiovascular Calcification in Hemodialysis Patients: Novel Insights and Clinical Implications

Overview

Journal Front Med (Lausanne)

Specialty General Medicine

Date 2024 Aug 15

PMID 39144664

Authors

Dong-Yun Li

Wei Sun

Xiao-Tao Zhou

Yu Wen

Yang Zou

Affiliations

Soon will be listed here.

Abstract

Objective: This study aims to explore the relationship between cardiovascular calcification (CVC) and serum levels of high-density lipoprotein cholesterol (HDL-C) and its subfractions in hemodialysis (HD) patients.

Methods: HD patients and healthy participants were recruited based on specific inclusion and exclusion criteria. Various blood indicators were measured, and demographic information was recorded. HDL-C particle levels were quantified using lipophilic fluorescent dye staining and capillary electrophoresis (microfluidic platform). Coronary artery calcium scores and valve calcification were used to classify HD patients into calcification and non-calcification groups.

Results: Compared to healthy participants, HD patients showed a significant increase in HDL-C, high-density lipoprotein 2 cholesterol (HDL2-C), and high-density lipoprotein 3 cholesterol (HDL3-C) levels ( < 0.001). Further division of HD patients into calcification and non-calcification groups revealed higher serum HDL3-C concentrations ( = 0.002) and a higher HDL3-C/HDL-C ratio ( = 0.04) in the calcification group. Additionally, elevated HDL3-C levels were found to be an independent risk factor for CVC in HD patients ( = 0.040). The ROC curve analysis showed an AUC value of 0.706 for HDL3-C ( = 0.002).

Conclusion: Our study indicates that elevated serum HDL3-C levels in HD patients are an independent risk factor for CVC and can serve as a potential predictor for CVC events. However, more studies need to verify its potential as a predictive indicator..

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