Beta-cell function and metabolic control in insulin treated diabetics.
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| Abstract |
In a random one day study beta-cell function was evaluated in 210 insulin treated diabetics by the serum C-peptide concentration 6 min after iv injection of 1 mg of glucagon. Sixty-five patients (31%) had residual beta-cell function. As a group these patients were characterized by having a higher age at onset of diabetes (P less than 0.01), a shorter duration of disease (P less than 0.01) and by receiving a smaller dose of insulin (P less than 0.01). However, their quality of metabolic control did not differ from the patients without beta-cell function. Although the concentrations of post-stimulatory C-peptide correlated inversely with both the 24-hour glycosuria (P less than 0.01) and the fasting blood glucose concentrations (P less than 0.02), only a subgroup with C-peptide concentrations exceeding 0.30 pmol/ml showed a definitely better degree of metabolic control than those without beta-cell function. As this subgroup also received the smallest dose of insulin these observations suggest that maintenance of beta-cell function above this level facilitates good metabolic control. Evidence is presented suggesting that measurements of the 24-hour glycosuria undertaken in a diabetes clinic create a too optimistic impression of the quality of metabolic control during every day life.
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| Authors | S Madsbad, P McNair, O K Faber, C Binder, C Christiansen, I Transbøl |
| Journal | Acta endocrinologica (Acta Endocrinol (Copenh)) Vol. 93 Issue 2 Pg. 196-200 (Feb 1980) ISSN: 0001-5598 [Print] Denmark |
| PMID | 6990673 (Publication Type: Journal Article) |
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