PMID: 8592597Oct 1, 1995Paper

Use of the low-dose desferrioxamine test to diagnose and differentiate between patients with aluminium-related bone disease, increased risk for aluminium toxicity, or aluminium overload

Nephrology, Dialysis, Transplantation : Official Publication of the European Dialysis and Transplant Association - European Renal Association
P C D'HaeseM E De Broe

Abstract

Aiming at a safe method in the diagnosis of aluminium-related bone disease (ARBD)/aluminium overload the low-dose desferrioxamine (DFO) test was developed. In a multicentre study histological and histochemical data and aluminium bulk analysis of bone biopsies of 77 dialysis patients were correlated with the results of both the 5 mg/kg and 10 mg/kg DFO tests. ARBD was considered to be present when > 15% of the bone surface was positively stained for aluminium and the bone formation rate was below 220 microns 2/mm2/day. Patients in which the Aluminon staining was positive (> 0%) were considered at an increased risk for aluminium toxicity independent of the type of renal osteodystrophy. Patients were considered aluminium overloaded when the bone aluminium content was > 15 micrograms/g wet weight and/or the Aluminon staining was positive (> 0%). Using the proposed criteria 15 patients were found to have ARBD; 13 of them presenting with a serum iPTH below 150 ng/l. In conjunction with an iPTH measurement the DFO test had a more than acceptable sensitivity and specificity in the diagnosis of ARBD. The test was considered positive when a post-DFO serum aluminium increment (delta sA1) above 50 micrograms/l (5 mg/kg) or 70 micrograms/l ...Continue Reading

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