Relationship between high-density lipoprotein cholesterol levels and endothelial function in women: a cross-sectional study.

Publisher: BMJ Publishing Group Ltd Country of Publication: England NLM ID: 101552874 Publication Model: Electronic Cited Medium: Internet ISSN: 2044-6055 (Electronic) Linking ISSN: 20446055 NLM ISO Abbreviation: BMJ Open Subsets: MEDLINE

Original Publication: [London] : BMJ Publishing Group Ltd, 2011-

Brachial Artery* ; Vasodilation*; Adolescent ; Adult ; Aged ; Aged, 80 and over ; Cholesterol, HDL ; Cross-Sectional Studies ; Endothelium, Vascular ; Female ; Humans ; Japan ; Middle Aged ; Triglycerides ; Young Adult

Objectives: The purpose of this study was to evaluate the relationship between high-density lipoprotein cholesterol (HDL-C) levels and endothelial function in women.
Design: Cross-sectional study.
Setting: 22 university hospitals and affiliated clinics in Japan.
Participants: 1719 Japanese women aged 17-90 years who were not receiving lipid-lowering therapy.
Measures: We evaluated flow-mediated vasodilation (FMD) and serum levels of HDL-C. All participants were divided into four groups by HDL-C level: low HDL-C (<40 mg/dL), moderate HDL-C (40-59 mg/dL), high HDL-C (60-79 md/dL) and extremely high HDL-C (≥80 mg/dL).
Results: Univariate regression analysis revealed a significant relationship between FMD and HDL-C (r=0.12, p<0.001). FMD values were significantly smaller in the low HDL-C group (5.2%±3.8%) and moderate HDL-C group (5.2%±3.8%) than in the extremely high HDL-C group (6.7%±3.4%) (p=0.024 and p=0.003, respectively), while there was no significant difference in FMD between the high HDL-C group and the extremely high HDL-C group. Multiple logistic regression analysis did not show a significant association between HDL-C levels and FMD.
Conclusions: Endothelial function increased in relation to HDL-C levels. However, there was no association of HDL-C levels with endothelial function after adjustment of traditional cardiovascular risk factors in women.
Trial Registration Number: UMIN000012950; Results.
Competing Interests: Competing interests: None declared.
(© Author(s) (or their employer(s)) 2020. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.)

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Keywords: cardiology; lipid disorders; vascular medicine

UMIN-CTR UMIN000012950

0 (Cholesterol, HDL)
0 (Triglycerides)

Date Created: 20200710 Date Completed: 20210514 Latest Revision: 20210514

20221213

PMC7342861

10.1136/bmjopen-2020-038121

32641366