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  • Title: Lipoprotein (a) levels and clinical correlations in CAPD patients.
    Author: Lye WC, Hughes K, Leong SO, Lee EJ.
    Journal: Adv Perit Dial; 1995; 11():131-3. PubMed ID: 8534686.
    Abstract:
    Dyslipidemia is an important risk factor for atherosclerotic vascular disease. Serum lipoprotein (a) [Lp(a)] has been implicated as an independent atherogenic risk factor. We measured serum (Lp(a) levels in our patients and studied its correlations with other lipoproteins and clinical parameters. All stable patients on continuous ambulatory peritoneal dialysis (CAPD) for more than one month were enrolled in the study. Fasting serum Lp(a), total cholesterol, triglycerides, LDL-cholesterol, HDL-cholesterol, apolipoprotein-A and apolipoprotein-B levels were measured on entering the CAPD program and at 3 monthly intervals. One hundred and nine patients (M/F: 65/44, mean age +/- SD: 59.5 +/- 12.0 years) were studied. Fifty-two patients had diabetes mellitus. Age- and sex-matched normals were used as controls. Serum Lp(a) levels were raised in 54.5% of CAPD patients compared to 18.6% of controls (p < 0.01). There was no significant change in Lp(a) levels over time. Serum Lp(a) levels showed positive and negative correlations with LDL-cholesterol and triglycerides, respectively, but not with age, sex, diabetic status, and serum total cholesterol and albumin levels. Thirty-six of 54 (66.7%) patients with serum Lp(a) levels greater than 30 mg/dL had either coronary, cerebral, and/or peripheral vascular disease compared to 30/55 (54.5%) of patients with serum Lp(a) levels less than 30 mg/dL (p = NS). In conclusion, serum Lp(a) levels were raised in a significant proportion of CAPD patients, but there was no significant association with vascular disease.
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