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  • Title: Clinical aspects of diabetes secondary to idiopathic haemochromatosis in French-speaking Belgium.
    Author: Buysschaert M, Paris I, Selvais P, Hermans MP.
    Journal: Diabetes Metab; 1997 Sep; 23(4):308-13. PubMed ID: 9342544.
    Abstract:
    Better awareness of the clinical presentation of idiopathic haemochromatosis is a key element for early diagnosis and treatment. We retrospectively analysed the medical records of 105 patients (80 males, 25 females) diagnosed with idiopathic haemochromatosis over the past two decades in the two academic hospitals of Louvain University. Age at diagnosis was 50 +/- 12 years (mean +/- SD). Median ferritin levels were 1,803 micrograms/L-1. Cirrhosis was found at histology in 51%. Ferritin levels were significantly higher in cirrhotic than non-cirrhotic subjects (P < 0.05). Impaired glucose tolerance and diabetes were found at admission in 7 and 40% of all patients. Diabetes was more frequent when cirrhosis was present (53 vs. 25% in cirrhosis-negative patients, P < 0.05). Accordingly, cirrhosis was also more frequent in diabetic than non-diabetic patients (70 vs. 40%, P < 0.05). Diabetic subjects with cirrhosis frequently presented with symptomatic hyperglycaemia at diagnosis, had higher HbA1c levels, and were more insulin-requiring than their non-cirrhotic diabetic counterparts (P < 0.05). There was also a trend towards more frequent chronic complications of diabetes in the former group. Diabetic patients with cirrhosis had slightly higher insulin levels but lower C-peptide values (P < 0.05) than diabetic subjects without cirrhosis. Chronic phlebotomy did not affect subsequent insulin requirements. Thus, diabetes is still a frequent complication of haemochromatosis in Belgium, and its presence and severity are markedly associated with that of cirrhosis at diagnosis of idiopathic haemochromatosis.
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