Identification of the causes of persistent hyperuricaemia.

Lancet · 1991

other · Level V

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Abstract

Accurate identification of the factors that contribute to hyperuricaemia in an individual may enable some of these factors to be modified, and lead to permanent correction of the hyperuricaemia. A protocol is described which can supplement clinical assessment. Measurement of the effects on serum urate and urinary urate excretion of a low-purine diet for 7 days facilitates the identification of the contributions made by urate production (either endogenous or from purine consumption) and renal underexcretion of urate (either as a low urate clearance in the absence of renal disease or due to renal glomerular insufficiency).