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Insulin-dependent diabetes mellitus as long term complication of haemolytic-uraemic syndrome

par Goffin, Laurence ;Lolin, Ksenija;Janssen, Françoise ;Schurmans, Thierry ;Dorchy, Harry
Référence Diabetes & metabolism, 32, 3, page (276-278)
Publication Publié, 2006-06

Article révisé par les pairs

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Résumé :

Haemolytic-uraemic syndrome (HUS) is a rare cause of insulin-dependent diabetes mellitus during the acute stage. We previously reported the case of a 3-year-old girl having presented with typical HUS with diarrhea, microangiopathic anaemia, thrombocytopenia and acute renal failure (17 days of anuria). Transient hyperglycaemia (highest level: 513 mg/dl) was observed, requiring continuous intravenous insulin infusion for 9 days. Subcutaneous insulin injections were stopped after 24 days. Oral glucose tolerance test performed 4 months after normalization of blood glucose was normal. HLA DQ genotype (DQA1-DQB1.AZH/DQA3-DQB3.1) was not at risk for type 1 diabetes and there were no auto-antibodies (ICA and IAA). The 3-years follow-up was marked by persistent arterial hypertension, proteinuria and slight renal insufficiency despite angiotensin-converting enzyme inhibitor treatment. Ten years after HUS occurred (the patient had been lost to follow-up for 7 years), she came back with complaints of headache but neither polyurodipsia nor weight loss. She was found to have arterial hypertension. Chronic renal impairment had moderately progressed with decreased glomerular filtration rate (63 ml/min/1.73 m 2) and proteinuria (2 g/24 hours). Fasting blood glucose was 189 mg/dl and reached 315 mg/dl during an oral glucose tolerance test. HbA 1c level was 8.2% (N<6.2%) and diabetes mellitus was diagnosed without any signs of autoimmunity (IAA, ICA, GADA and IA2B were negative). Good glycaemic control was obtained with 0.5 U/kg/day of insulin. In conclusion, transient beta-cell dysfunction complicating HUS acute stage may evolve to overt non-autoimmune diabetes mellitus (microangiopathic process?), even after a long free interval. This case emphasizes the need for a long-term follow-up of patients with HUS. © 2006 Masson, all rights reserved.