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Abnormal renal functions in cyanotic congential heart disease
Archives of Disease in Childhood
|October 1, 1976
Summary
Children with cyanotic congenital heart disease show reduced kidney function (glomerular filtration rate). High hematocrit levels and reduced sodium excretion are linked to this decreased kidney function in these patients.
Area of Science:
- Pediatric Nephrology
- Cardiology
- Congenital Heart Disease
Background:
- Cyanotic congenital heart disease (CCHD) can impact multiple organ systems.
- Kidney function in children with CCHD requires further investigation.
Purpose of the Study:
- To assess glomerular filtration rate (GFR) in children with CCHD.
- To explore correlations between GFR, hematocrit, and sodium excretion in CCHD.
Main Methods:
- Endogenous creatinine clearances were used to measure GFR.
- GFR was compared between CCHD patients, post-surgery patients, non-cyanotic heart disease patients, and healthy controls.
Main Results:
- Children with CCHD exhibited significantly lower GFR compared to other groups.
- A significant correlation was found between low GFR and hematocrit >50%.
- Daily urinary sodium excretion was reduced in CCHD patients.
Conclusions:
- Children with CCHD experience impaired kidney function.
- Elevated hematocrit levels may contribute to reduced GFR in CCHD.
- Decreased sodium excretion is characteristic of CCHD patients.