Postprandial hyperlipidemia as a potential residual risk factor

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

Statin therapy targeting reduction of low-density lipoprotein cholesterol (LDL-C) decreases the risk of coronary heart disease (CHD) and all-cause mortality. However, a substantial number of cases of CHD are not prevented and residual risk factors remain unsettled. A high triglyceride (TG) level is considered to be an important and residual risk factor. Postprandial hyperlipidemia is a condition in which TG-rich chylomicron remnants are increased during the postprandial period and hypertriglycedemia is protracted. Postprandial hyperlipidemia evokes atherogenesis during the postprandial period. Several prospective studies have revealed that nonfasting serum TG levels predict the incidence of CHD. Values of TG, remnant lipoprotein cholesterol, and remnant lipoprotein TG after fat loading were significantly higher in diabetes patients with insulin resistance than in diabetes patients without insulin resistance.Endothelial dysfunction is an initial process of atherogenesis and it contributes to the pathogenesis of CHD. Postprandial hyperlipidemia (postprandial hypertriglyceridemia) is involved in the production of proinflammatory cytokines, recruitment of neutrophils, and generation of oxidative stress, resulting in endothelial dysfunction in healthy subjects, hypertriglyceridemic patients, or type 2 diabetic patients.Effective treatment has not been established till date. Ezetimibe or omega-3 fatty acids significantly decrease postprandial TG elevation and postprandial endothelial dysfunction. Ezetimibe or omega-3 fatty acids added to statin therapy reduce serum TG levels and result in good outcomes in patients with CHD.In conclusion, postprandial hyperlipidemia is an important and residual risk factor especially in patients with insulin resistance syndrome (metabolic syndrome) and diabetes mellitus. Further studies are needed to establish effective treatment.

Original languageEnglish
Pages (from-to)335-339
Number of pages5
JournalJournal of Cardiology
Volume67
Issue number4
DOIs
Publication statusPublished - Apr 1 2016

Fingerprint

Hyperlipidemias
Triglycerides
Coronary Disease
Postprandial Period
Insulin Resistance
Hydroxymethylglutaryl-CoA Reductase Inhibitors
Omega-3 Fatty Acids
Atherosclerosis
Chylomicron Remnants
Neutrophil Infiltration
Hypertriglyceridemia
Therapeutics
Serum
LDL Cholesterol
Diabetes Mellitus
Healthy Volunteers
Oxidative Stress
Fats
Prospective Studies
Cytokines

Keywords

  • Coronary heart disease
  • Postprandial hyperlipidemia
  • Residual risk factor
  • Triglyceride

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Postprandial hyperlipidemia as a potential residual risk factor. / Nakamura, Kazufumi; Miyoshi, Toru; Yunoki, Kei; Itoh, Hiroshi.

In: Journal of Cardiology, Vol. 67, No. 4, 01.04.2016, p. 335-339.

Research output: Contribution to journalArticle

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