Lipoprotein profile in men with peripheral vascular disease: Role of intermediate density lipoproteins and apoprotein E phenotypes

Mariano Sentí, Xavier Nogués, Juan Pedro-Botet, Juan Rubiés-Prat, Francesc Vidal-Barraquer

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Abstract

Background. The role of lipoprotein disturbances in the development of peripheral vascular disease (PVD) has not been sufficiently clarified. Methods and Results. The relations among concentrations of intermediate density lipoproteins (IDL), apoprotein (apo) B, apo E, and other lipoproteins were studied in 102 men with PVD and 100 healthy men who formed the control group. Patients with PVD had significantly higher levels of serum triglycerides, very low density lipoprotein (VLDL) cholesterol, VLDL triglycerides, VLDL proteins, IDL cholesterol, and IDL triglycerides and lower levels of high density lipoproteins (HDL) than controls. Serum cholesterol and triglycerides were normal in 30 patients (cholesterol, <5.2 mmol/l; triglycerides, <2.3 mmol/l), who had significant increases in IDL triglycerides and significant decreases in HDL cholesterol compared with the 47 controls, who had normal cholesterol and triglyceride levels. Patients with more severe distal involvement showed higher cholesterol and triglycerides carried by IDL and a greater reduction in HDL cholesterol. Smoking patients with PVD showed increased VLDL cholesterol and VLDL triglycerides and lower HDL concentrations. Apo E polymorphism in our study population does not differ from that reported for other European populations. Alleles ∈2 and ∈4 had a major impact on serum triglycerides and VLDL lipids in our patients with PVD. Conclusions. Lipoprotein disturbances are a major risk factor for PVD. IDL abnormalities play an important role in the development and severity of PVD and should also be considered a vascular risk factor in normocholesterolemic and normotriglyceridemic patients.
Original languageEnglish
Pages (from-to)30-36
JournalCirculation
Volume85
Issue number1
DOIs
Publication statusPublished - 1 Jan 1992

Keywords

  • Apoproteins
  • Cholesterol
  • Lipoproteins
  • Peripheral vascular disease
  • Triglycerides

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