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  • Title: Evolution of glucose intolerance and diabetes in transfused patients with thalassemia.
    Author: Kattamis C, Ladis V, Tsoussis D, Kaloumenou I, Theodoridis C.
    Journal: Pediatr Endocrinol Rev; 2004 Dec; 2 Suppl 2():267-71. PubMed ID: 16462709.
    Abstract:
    OBJECTIVE: To study the evolution of glucose disturbances (GD) in patients with thalassemia aged 11-30 years. DESIGN AND METHODS: A total of 263 patients, classified into three groups on the basis of age, and period of follow-up ranging from 2-10 years, were studied. Evolution of GD was assessed through serial oral glucose tolerance tests (OGTT), based on WHO criteria. RESULTS: At baseline (11-14 years of age) evaluation of OGTT disclosed a prevalence of 16.3% of impaired glucose tolerance (IGT), and zero for diabetic tolerance (DT). Prevalence of IGT increased progressively up to 39% in the following 4 years, but remained constant during the last 6 years of observation. In contrast, DT had a very low prevalence, beginning with 0.5% at 13-16 years, increasing to 2.4% by the age of 21-24 years. CONCLUSIONS: During puberty and early adolescence impaired glucose tolerance (IGT) was found in a considerable proportion of thalassemics. In contrast, DT was infrequent and progression to DM was slow. Only 12.4% of patients with IGT developed DT within a period of 10 years. Further studies are necessary to identify all of the factors contributing to abnormalities of glucose metabolism in thalassemic patients.
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