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1.
Artículo en Inglés | IMSEAR | ID: sea-45369

RESUMEN

Increasing experimental and clinical evidence suggests that lipoproteins and lipid peroxidation can be important modulators in progressive kidney disease. A group of 54 patients with varying degrees of kidney impairment was studied to find the abnormalities in lipoproteins and lipid peroxidation. Lipoproteins and lipid peroxidation products, malondialdehyde (MDA) were measured in the plasma of 54 chronic renal disease patients CGN 33, nephrosclerosis 11, 7CTIN, 1PCKD, unknown 2 and compared with values obtained from 32 healthy controls. The patients were divided into 5 groups according to serum creatinine levels: Group 1 (serum creatinine of 2 mg/dl), group 2 (S. creatinine > 2-4 mg/dl), group 3 (S. creatinine > 4-8 mg/ dl), group 4 (S. creatinine > 8-12 mg/dl), group 5 (S. creatinine > 12 mg/dl). Plasma cholesterol was higher significantly than controls in patients with group 1, 2 and 3 (p < 0.01, < 0.001, < 0.05) respectively while plasma LDL-chol was statistically significantly different from controls only in group 2 patients (p < 0.001). Plasma VLDL-chol, beta-VLDL-chol, triglycerides, ratio of chol/HDL and LDL/ HDL showed high levels in all groups compared with controls but more evident in patients of group 2. Plasma HDL-chol decreased during the progression of renal failure. All groups had significantly elevated plasma malonyldialdehyde (MDA) vs controls (p < 0.001), especially highest value was found in group 2. Triglycerides, beta-VLDL chol, VLDL-chol LDL/HDL, chol/HDL correlated very closely with plasma MDA levels and also with serum creatinine. Patients with chronic renal disease showed lipoprotein abnormalities and accelerated lipid peroxidation. The evidence was more marked in patients with normal to mild renal insufficiency which suggested the role of oxidative stress early in the course of nephron injury.


Asunto(s)
Adulto , Estudios de Casos y Controles , Creatinina/sangre , Femenino , Humanos , Fallo Renal Crónico/sangre , Peroxidación de Lípido , Lipoproteínas/sangre , Masculino , Malondialdehído/sangre , Persona de Mediana Edad , Triglicéridos/sangre
2.
Artículo en Inglés | IMSEAR | ID: sea-39631

RESUMEN

The lipid and lipoprotein profiles including apolipoprotein A1 and B100 are measured in 50 idiopathic nephrotic patients (males 26, females 24) with mean age of 32 + 13.6 yrs, serum creatinine 1.32 +/- 0.43 mg/dl compared with 50 age matched normal controls. The renal histology consist of IgM nephropathy 70 per cent, membranous 12 per cent, and IgA 2 per cent. The serum cholesterol, triglycerides, LDL- cholesterol, VLDL-cholesterol, apolipoprotein B (521.6 +/- 201.6, 291.4 +/- 156.2, 438.8 +/- 207.4, 58.3 +/- 31.2, 265.1 +/- 119.8) are statistically significantly higher than controls (p < 0.001). The HDL-cholesterol (30.2 +/- 16.1) is also significantly lower than controls (p < 0.001) but apolipoprotein A is not different from normal subjects. The most common hyperlipoprotein type is type IIb (66%), less common are type IIa (22%), IV (6%) and III (4%) respectively. There is no correlation between serum lipids, lipoproteins and urinary protein, serum albumin, and histological diagnosis. The ratio of cholesterol: HDL, LDL: HDL and Apo A1: B are all significantly higher than normal control (p < 0.001) and correlate with urinary protein levels. This study shows that the nephrotic patients who have persistent heavy proteinuria have dyslipidemia which is highly atherogenic and probably increases the incidence of coronary heart disease.


Asunto(s)
Adolescente , Adulto , Anciano , Femenino , Humanos , Riñón/patología , Lípidos/sangre , Lipoproteínas/sangre , Masculino , Persona de Mediana Edad , Síndrome Nefrótico/sangre
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