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Pediatr Nephrol. 2004 Apr;19(4):419-25. Epub 2004 Feb 24.

Clinico-pathological findings in diarrhoea-negative haemolytic uraemic syndrome.

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  • 1Department of Nephrology, The Birmingham Children's Hospital, Birmingham, B4 6NH, UK.


This is a retrospective, national clinico-pathological study of past and current patients with haemolytic uraemic syndrome not associated with diarrhoea (D- HUS). Thirty-four patients were analysed and notified by members of the British Association for Paediatric Nephrology in 1998-1999. There was a 2:1 excess of males. Ten presented in infancy. The aetiology included 5 patients with complement abnormalities, 2 patients with complications of pneumococcal infection, and 2 with malignancies. Parental consanguinity was noted in 6 patients. Five children died, 9 developed chronic renal failure, and 10 end-stage renal failure. Only 7 made full recoveries. With a single exception, the pathological findings were unlike the previously reported glomerular thrombosis that is characteristic of diarrhoea-associated HUS, or HUS complicating verocytotoxin-producing Escherichia coli infection. Early and late glomerulopathy could be distinguished. Arteriolar and arterial disease was observed in 8 and 7 patients, respectively. Arterial disease correlated with a poor outcome. The pathology of D- HUS is of prognostic value, but this study was not powered to identify specific aetiological/pathological correlations.

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