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Kidney Int Suppl. 1997 Nov;62:S53-5.

Inflammation, dyslipidemia and vascular risk factors in hemodialysis patients.

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1
Department of Medicine, University Hospital of W├╝rzburg, Germany.

Abstract

Cardiovascular complications account for more than 50% of death in hemodialysis patients. Strong and independent predictors of mortality or cardiovascular complications are low levels of serum albumin, high plasma C-reactive protein and lipoprotein(a), plasma proteins that are described to function as negative or positive acute phase reactants. Further prominent and known risk factors that contribute to the increased incidence of atherosclerosis in hemodialysis patients are disorders in lipoprotein metabolism and elevated plasma fibrinogen concentrations. The latter has also been described to increase following acute or chronic inflammation. The main metabolic abnormality of the lipoprotein profile is a delayed catabolism of triglyceride-rich apoB-containing lipoproteins caused by a decreased activity of lipolytic enzymes. Inhibition of lipoprotein lipase activity by cytokines or parathyroid hormone impedes conversion of very-low-density lipoprotein to low-density lipoprotein, resulting in remnant accumulation and hypertriglyceridemia. Another acute phase condition, namely, acute myocardial infarction, results in a similar pattern of dyslipidemia and coagulation disorder. In summary, the acute phase response deeply influences serum lipids and lipoproteins as well as other atherogenic acute phase proteins in hemodialysis patients. Appreciation of acute phase lipoprotein changes is essential for accurate diagnosis of dyslipidemias, proper design of future clinical studies, and correct interpretation of published data.

PMID:
9350681
[Indexed for MEDLINE]

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