Low fecal elastase-1 in type I diabetes mellitus.
BACKGROUND: Previous studies suggested impaired pancreatic exocrine function in type I diabetes patients, but have been limited by small or highly selected samples. Fecal elastase-1 has facilitated evaluation of pancreatic dysfunction in population-based studies. METHODS: 112 type I diabetic patients (age +/- SD: 37 +/- 11 years; 47 % males; diabetes duration: 12.5 +/- 10.5 years) were consecutively selected from main regional diabetes centers in Essen, West-Germany. 116 non-diabetic control subjects, similar with respect to age and sex, were recruited from the same geographical region. Elastase-1 measurement was performed centrally by ELISA (ScheboTech, Germany). RESULTS: Elastase-1 concentrations in type I diabetic patients were significantly lower than in control subjects (median; inter-quartile range: diabetic patients: 227, 98-386 microgram/g stool; non-diabetic subjects: 544, 377-702 microgram/g stool) (p < 0.01). Elastase-1 < 100 microgram/g stool (E1 < 100) was found in 25.9 % of diabetic and 5.2 % of non-diabetic subjects, yielding an age-sex-adjusted prevalence Odds ratio ( POR; 95 % CI) for diabetes and E1 < 100 of 6.9 (2.8-19.6). After adjusting for potential confounders (history of gastrointestinal diseases, smoking, alcohol consumption) the strong association remained ( POR: 6.7; 2.7-19.2). Among patients with diabetes, E1 < 100 was associated with quality of glycemic control (HbA1c, change per 1 %: POR 1.5; 1.1-2.0), diabetes duration (per year: POR 1.1; 1.03-1.2), and age at diabetes onset (per age year: POR 1.1; 1.02-1.1). No association was found with history of gastrointestinal diseases, smoking, or alcohol consumption (current, life-time). CONCLUSIONS: Fecal elastase-1 concentrations were lower in type I diabetes patients compared to control subjects, indicating impaired pancreatic exocrine function. Low elastase-1 was associated with poor metabolic control and longer diabetes duration.[1]References
- Low fecal elastase-1 in type I diabetes mellitus. Icks, A., Haastert, B., Giani, G., Rathmann, W. Zeitschrift für Gastroenterologie. (2001) [Pubmed]
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