Particle size and cholesterol content of circulating HDL correlate with cardiovascular death in chronic heart failure

A Teis, G Cediel, N Amigó, J Julve, J Aranyó… - Scientific reports, 2021 - nature.com
A Teis, G Cediel, N Amigó, J Julve, J Aranyó, J Andrés-Cordón, C Puig-Jové, E Castelblanco
Scientific reports, 2021nature.com
Evidence regarding any association of HDL-particle (HDL-P) derangements and HDL-
cholesterol content with cardiovascular (CV) death in chronic heart failure (HF) is lacking. To
investigate the prognostic value of HDL-P size (HDL-Sz) and the number of cholesterol
molecules per HDL-P for CV death in HF patients. Outpatient chronic HF patients were
enrolled. Baseline HDL-P number, subfractions and HDL-Sz were measured using 1H-NMR
spectroscopy. The HDL-C/P ratio was calculated as HDL-cholesterol over HDL-P. Endpoint …
Abstract
Evidence regarding any association of HDL-particle (HDL-P) derangements and HDL-cholesterol content with cardiovascular (CV) death in chronic heart failure (HF) is lacking. To investigate the prognostic value of HDL-P size (HDL-Sz) and the number of cholesterol molecules per HDL-P for CV death in HF patients. Outpatient chronic HF patients were enrolled. Baseline HDL-P number, subfractions and HDL-Sz were measured using 1H-NMR spectroscopy. The HDL-C/P ratio was calculated as HDL-cholesterol over HDL-P. Endpoint was CV death, with non-CV death as the competing event. 422 patients were included and followed-up during a median of 4.1 (0–8) years. CV death occurred in 120 (30.5%) patients. Mean HDL-Sz was higher in CV dead as compared with survivors (8.39 nm vs. 8.31 nm, p < 0.001). This change in size was due to a reduction in the percentage of small HDL-P (54.6% vs. 60% for CV-death vs. alive; p < 0.001). HDL-C/P ratio was higher in the CV-death group (51.0 vs. 48.3, p < 0.001). HDL-Sz and HDL-C/P ratio were significantly associated with CV death after multivariable regression analysis (HR 1.22 [95% CI 1.01–1.47], p = 0.041 and HR 1.04 [95% CI 1.01–1.07], p = 0.008 respectively). HDL-Sz and HDL-C/P ratio are independent predictors of CV death in chronic HF patients.
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