β Gout is rarely noted as a clinical problem in secondary polycythemia—even if profound polycythemia exists, as in cyanotic congenital heart disease. A retrospective study of 81 patients with congenital heart disease was done to assess the incidence of hyperuricemia. Twenty of 46 patients with cyanotic congenital heart disease had serum levels of uric acid greater than 8 mg/dl. Thirteen of 16 (81%) cyanotic male patients more than 15 years old had serum levels greater than 8 mg/dl. For cyanotic patients, serum levels of uric acid were related directly to the degree of polycythemia (r =.44; P <.02). Impaired renal function or drug therapy did not seem to account for the hyperuricemia. Because levels of uric acid greater than 10 mg/dl probably are nephropathic, many of these patients may be incurring subclinical uric acid nephropathy.
(Am J Dis Child 132:900-902, 1978)
Dearth JC, Tompkins RB, Giuliani ER, Feldt RH. Hyperuricemia in Congenital Heart Disease. Am J Dis Child. 1978;132(9):900–902. doi:10.1001/archpedi.1978.02120340076016
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