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Apolipoprotein and lipid abnormalities in uremic children on hemodialysis
Insights
Uremic children on hemodialysis show abnormal plasma lipids and apolipoproteins, similar to adults. These changes suggest a potential increased risk of cardiovascular disease in these young patients.
Area of Science:
- Pediatric Nephrology
- Clinical Biochemistry
- Cardiovascular Risk Assessment
Background:
- Uremia in children undergoing hemodialysis is associated with complex metabolic alterations.
- Lipid and apolipoprotein profiles are critical indicators of cardiovascular health.
Purpose of the Study:
- To investigate plasma lipid and apolipoprotein abnormalities in pediatric patients with uremia on hemodialysis.
- To compare these findings with those in healthy controls and adult uremic populations.
Main Methods:
- Analysis of plasma lipid levels (triglycerides, total cholesterol, HDL-cholesterol).
- Quantification of six plasma apolipoproteins (Apo A-I, A-II, B, C-I, C-II, C-III).
- Comparison of biochemical markers between uremic children and normal controls.
Main Results:
- Uremic children exhibited significantly elevated plasma triglycerides and apolipoproteins C-II and C-III.
- Decreased levels of total cholesterol, HDL-cholesterol, apolipoproteins A-I, A-II, and B were observed.
- An increased ratio of (Apo A-I + Apo A-II)/HDL-cholesterol was noted.
Conclusions:
- Pediatric uremia on hemodialysis is characterized by dyslipidemia and altered apolipoprotein profiles.
- These lipid abnormalities mirror those seen in adult uremic patients, indicating a potential shared cardiovascular disease risk.
- Further research into managing these metabolic derangements in children is warranted.
Abstract:
Plasma lipids and six plasma apolipoproteins were studied in uremic children on hemodialysis. Significant increases in plasma triglyceride, apolipoproteins (Apo) C-II and C-III and decreases in total cholesterol, HDL-cholesterol, Apo A-I, Apo A-II and Apo B were found in uremic children. The levels of Apo C-I did not differ between uremic children and normal controls. The ratio of (Apo A-I + Apo A-II)/HDL-cholesterol was significantly increased. These results indicate that uremic children on hemodialysis have similar lipid and apolipoprotein abnormalities to those found in adults who may have a risk of cardiovascular disease.