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[High-density-lipoprotein and renal insufficiency (author's transl)]
Wiener Klinische Wochenschrift
|January 22, 1982
Summary
Chronic renal insufficiency causes lipid metabolism disturbances, including reduced HDL cholesterol. This decrease is linked to higher triglycerides and impaired fat clearance, increasing atherosclerosis risk.
Area of Science:
- Nephrology
- Cardiovascular Medicine
- Clinical Chemistry
Context:
- Chronic renal insufficiency (CRI) is associated with lipid metabolism disorders and accelerated atherosclerosis.
- Fredrickson's classification identifies type IV hyperlipoproteinemia in CRI but omits high-density lipoprotein (HDL) cholesterol.
- Understanding lipid profiles in CRI is crucial for managing cardiovascular risk.
Purpose:
- To investigate HDL cholesterol levels in patients with varying degrees of renal insufficiency.
- To correlate HDL cholesterol with other lipid parameters and renal function markers.
- To assess the impact of renal insufficiency on fat metabolism using an intravenous fat tolerance test (IVFTT).
Summary:
- Reduced HDL cholesterol was observed in CRI patients, inversely correlated with plasma creatinine.
- Patients with advanced CRI showed an inverse correlation between HDL cholesterol and triglycerides.
- Diminished fat emulsion clearance (decreased k value) in azotaemic patients correlated inversely with HDL cholesterol.
Impact:
- Diminished HDL cholesterol is an independent risk factor for accelerated atherosclerosis in CRI.
- Reduced lipoprotein lipase activity contributes to hypertriglyceridemia and low HDL cholesterol in CRI.
- Findings suggest a causal link between decreased lipoprotein lipase activity and lower HDL cholesterol levels, impacting cardiovascular health in renal patients.