Renal involvement in patients with congenital cyanotic heart disease.

Clicks: 208
ID: 52664
1991
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Abstract
Patients with congenital cyanotic heart disease may develop a glomerulopathy with proteinuria and impaired renal function. In order to investigate this problem we conducted a study on 27 patients with uncorrected cyanotic heart disease who were between 1 day and 25 years old. As a consequence of hypoxaemia haematocrit was elevated to 57%. Proteinuria was above 150 mg/day/1.73 m2 body surface in 12 patients. Only one of 9 children under 10 years of age had pathological proteinuria presenting as isolated albuminuria. Seven out of 10 patients between 11 and 20 years had an elevated proteinuria with a glomerular pattern. Creatinine clearance was normal in these patients. All four patients above 20 years of age had a considerable glomerular proteinuria with a mean excretion of 5.7 g/24 h/1.73 m2 body surface. These patients suffered additionally from chronic cardiac failure and creatinine clearance was below the normal range. There was a clear relationship between pathological proteinuria and age of the patients and thus duration of hypoxaemia. Patients with pathological proteinuria had a significant higher erythrocyte count (7.3 +/- 1.3 vs 5.6 +/- 1.4 10(12)/l p less than 0.01) and a lower mean corpuscular haemoglobin. In summary, children with persistent congenital cyanotic heart disease have substantial risk of developing a glomerulopathy if the cyanosis remains unchanged for more than ten years.
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krull1991renalacta Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Krull, F;Ehrich, J H;Wurster, U;Toel, U;Rothgänger, S;Luhmer, I;
Journal acta paediatrica scandinavica
Year 1991
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