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  • 1
    ISSN: 1432-0428
    Keywords: Type 1 (insulin-dependent) diabetes mellitus ; incidence ; childhood ; epidemiology ; registry ; geographic pattern
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A retrospective, population-based registry was established in the Comunidad of Madrid, Spain (total population: 4,780,572; under age 15: 1,105,243) to investigate the epidemiology of Type 1 (insulin-dependent) diabetes mellitus. Included were all cases diagnosed with diabetes between 1985 and 1988, with age onset less than 15 years, and using insulin at discharge from hospital. Using the capture-recapture method employing hospital records as the primary source and membership files of the Spanish Diabetic Association as the secondary source, the ascertainment was 90%. The overall annual incidence was estimated to be 11.3/100,000 (Poisson 95% confidence interval: 10.3–12.4). There was no temporal increase in incidence, nor was there a significant sex difference in incidence rates, either overall or by year. The seasonal onset pattern showed the highest incidence in winter (December–February) and lowest in summer (June–August) (r=7.36, p〈0.05). The age-adjusted (world standard) incidence of 10.9/100,000 was inconsistent with the hypothesis of a north-south gradient in diabetes risk.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Diabetologia 9 (1973), S. 50-52 
    ISSN: 1432-0428
    Keywords: Normal group ; Down's syndrome ; mongoloid patients ; Oral glucose tolerance test ; Intravenous glucose tolerance test ; Blood glucose ; Immunoreactive insulin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Insulin secretion after oral (100 g) and i.v. glucose (0.33 g/kg b.w.) was studied in 14 patients with 21-trisomy (Down's syndrome) and in 18 normal subjects. Plasma immunoreactive insulin (IRI), fasting and at predetermined time intervals during each glucose load, was measured by a double antibody method (Hales-Randle). Tolerance to oral glucose in Down's patients was found to be normal though a flat, late peaked glycaemic response was characteristic of the group. Fasting IRI and insulin levels after oral glucose in patients did not significantly differ from those in the normal group. After i.v. glucose, the patients showed a slower decline of the blood sugar, maintaining significantly higher levels than the normals at 30, 40, 50 and 60 min after the glucose load. However, the peripheral glucose uptake expressed by the K index (Conard) did not significantly differ from the normal despite the lower K values in the patients. Insulin release after i.v. glucose showed some differences between both groups. — The present study cannot support a causal relationship between D.M. and the 21-trisomy through an altered insulin secretion.
    Type of Medium: Electronic Resource
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