| Vitamin D deficiency as a risk factor for cystic fibrosis-related diabetes in the Scandinavian Cystic Fibrosis Nutritional Study. | |
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MedLine Citation:
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PMID: 21901282 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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AIMS/HYPOTHESIS: Many cystic fibrosis patients are vitamin D-insufficient. Cystic fibrosis-related diabetes is a major complication of cystic fibrosis. The literature suggests that vitamin D might possess certain glucose-lowering properties. We aimed to assess the relationship between vitamin D and cystic fibrosis-related glucose intolerance. METHODS: We enrolled 898 cystic fibrosis patients from Sweden, Norway and Denmark. Vitamin D intake was assessed using a seven-day food record. Serum 25-hydroxyvitamin D (s25OHD) and HbA(1c) were measured, and an OGTT was carried out. Multiple linear and logistic regressions were used for HbA(1c) and cystic fibrosis-related diabetes/OGTT result as outcome variables, respectively. Each model was controlled for country, and for known cystic fibrosis-related diabetes risk factors: age, sex, genotype, liver dysfunction, long-term corticosteroid treatment, and lung and pancreatic function. RESULTS: Degree of vitamin D insufficiency (OR 1.36; p = 0.032) and s25OHD < 30 nmol/l (OR 1.79; p = 0.042) were significant risk factors for cystic fibrosis-related diabetes. Accordingly, HbA(1c) value was positively associated with s25OHD < 30 nmol/l and < 50 nmol/l, as well as with degree of vitamin D insufficiency (adjusted R (2) = 20.5% and p < 0.05 in all). In subgroup analyses, s25OHD < 30 nmol/l determined the HbA(1c) value in paediatric patients (adjusted R (2) = 20.2%; p = 0.017), but not in adults. CONCLUSIONS/INTERPRETATION: Vitamin D status is associated with HbA(1c) and diabetes in cystic fibrosis, particularly in children. The study justifies prospective studies on the proposed role of vitamin D deficiency in the pathophysiology of diabetes mellitus. |
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Authors:
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T Pincikova; K Nilsson; I E Moen; G Fluge; A Hollsing; P K Knudsen; A Lindblad; L Mared; T Pressler; L Hjelte; |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-9-7 |
Journal Detail:
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Title: Diabetologia Volume: - ISSN: 1432-0428 ISO Abbreviation: - Publication Date: 2011 Sep |
Date Detail:
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Created Date: 2011-9-8 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0006777 Medline TA: Diabetologia Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Stockholm CF Centre, B 59, Karolinska Institutet, Karolinska University Hospital Huddinge, 141 86, Stockholm, Sweden, Terezia.Pincikova@ki.se. |
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