Circulation Journal
Online ISSN : 1347-4820
Print ISSN : 1346-9843
ISSN-L : 1346-9843
Ischemic Heart Disease
Cholesterol Metabolism in Patients With Hemodialysis in the Presence or Absence of Coronary Artery Disease
Mikio FukushimaShin-ichiro MiuraRyoko MitsutakeTakao FukushimaKatsuhiko FukushimaKeijiro Saku
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2012 Volume 76 Issue 8 Pages 1980-1986

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Abstract

Background: Little is known about the interrelationship between the lipid profile, cholesterol metabolism, and coronary risk factors in patients with hemodialysis (HD) in the presence or absence of coronary artery disease (CAD). Methods and Results: Ninety-five patients with HD were selected (HD group). Fifty-eight age-, gender-, and body mass index (BMI)-matched patients who had at least 1 cardiovascular risk factor were selected as a non-HD group. Total cholesterol (TC), triglyceride, high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), non-HDL-C, and the ratio of LDL-C to HDL-C (L/H) in the HD group were significantly lower than those in the non-HD group. All markers of cholesterol absorption (campesterol/TC, sitosterol/TC, and cholestanol/TC) and the ratio of campesterol to lathosterol in the HD group were significantly higher. In addition, in the HD group, L/H was negatively correlated with lathosterol/TC, campesterol/TC, sitosterol/TC, and cholestanol/TC. Finally, CAD was significantly associated with lathosterol/TC (P=0.028), which was positively associated with BMI in the HD group, whereas CAD was significantly associated only with hypertension (P=0.020) in the non-HD group. Conclusions: HD patients showed lower cholesterol concentrations than non-HD patients, and, as compensation, their cholesterol absorption might be accelerated. However, higher cholesterol synthesis, which was correlated with higher BMI, might be an independent predictor for the presence of CAD in HD patients.  (Circ J 2012; 76: 1980–1986)

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© 2012 THE JAPANESE CIRCULATION SOCIETY
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