期刊
CARDIOVASCULAR DIABETOLOGY
卷 20, 期 1, 页码 -出版社
BMC
DOI: 10.1186/s12933-021-01421-4
关键词
Type 2 diabetes; Blood lipid variability; All-cause mortality; Cardiovascular mortality
资金
- Ministry of Science and Technology of Taiwan [MOST 104-2314-B-039-016, MOST 105-2314-B-039-021-MY3, MOST 105-2314-B-039-025 -MY3, MOST 107-2314-B-039-049-, MOST 108-2314-B-039-039-, MOST 108-2314-B-039-035 -MY3, MOST 108-2314-B-039-031-MY2, MOST 110-2314-B-039-021-]
- China Medical University Hospital [DMR-110-079]
The study revealed that variability in blood lipids is associated with increased risk of all-cause and cardiovascular mortality in patients with type 2 diabetes, with high-density lipoprotein cholesterol variability particularly linked to non-cardiovascular mortality risk.
Background Dyslipidemia is a major cardiovascular risk factor and common in diabetes patients. Most guidelines focus on optimal lipid levels, while variation of lipid profiles is far less discussed. This study aims to investigate the association of visit-to-visit variability in blood lipids with all-cause, cardiovascular, and non-cardiovascular mortality in patients with type 2 diabetes. Methods We identified 10,583 type 2 diabetes patients aged >= 30 years with follow-up >= 3 years and who participated in the Diabetes Care Management Program at a medical center in Taiwan. Variability in lipid profiles within 3 years after entry was calculated using coefficient of variation. Cox proportional hazard models were used to evaluate lipid variability in relation to subsequent mortality. Results Over a mean follow-up of 6.4 years, 1838 all-cause deaths (809 cardiovascular deaths) were observed. For each 10% increase in variability in high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, and total cholesterol, the hazard ratios (95% confidence intervals) of all-cause mortality were 1.30 (1.22-1.37), 1.05 (1.01-1.09), and 1.10 (1.03-1.16), respectively; those of cardiovascular mortality were 1.27 (1.16-1.39), 1.08 (1.02-1.15), and 1.16 (1.07-1.27), respectively. Each 10% increase in high-density lipoprotein cholesterol variability conveyed 31% greater risk of non-cardiovascular mortality. High variability in total cholesterol and low-density lipoprotein cholesterol increased all-cause mortality in subgroups of nonsmoking, regular exercising, non-dyslipidemia, and more severe status of diabetes at baseline. Conclusions Blood lipid variability except for triglyceride variability was associated with all-cause and cardiovascular mortality in patients with type 2 diabetes.
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