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High prevalence of hypovitaminosis D in a Swiss rheumatology outpatient population.
MedLine Citation:
PMID:  21623475     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Vitamin D is important for bone metabolism and neuromuscular function. While a routine dosage is often proposed in osteoporotic patients, it is not so evident in rheumatology outpatients where it has been shown that the prevalence of hypovitaminosis D is high. The aim of the current study was to systematically evaluate the vitamin D status in our outpatient rheumatology population to define the severity of the problem according to rheumatologic diseases. During November 2009, all patients were offered a screening test for 25-OH vitamin D levels and categorised as deficient (<10 µg/l [ng/ml] [25 nmol/l]), insufficient (10 µg/l to 30 µg/l [25 to 75 nmol/l]) or normal (>30 µg/l [75 nmol/l]). A total of 272 patients were included. The mean 25-OH vitamin D level was 21 µg/l (range 1.5 to 45.9). A total of 20 patients had vitamin D deficiency, 215 patients had an insufficiency and 37 patients had normal results. In the group of patients with osteoporosis mean level of 25-OH vitamin D was 25 µg/l and 31% had normal results. In patients with inflammatory rheumatic diseases (N = 219), the mean level of 25-OH vitamin D was 20.5 µg/l, and only 12% had normal 25-OH vitamin D levels. In the small group of patients with degenerative disease (N = 33), the mean level of 25-OH vitamin D was 21.8 µg/l, and 21% had normal results. Insufficiency and deficiency were even seen in 38% of the patients who were taking supplements. These results confirm that hypovitaminosis D is highly prevalent in an outpatient population of rheumatology patients, affecting 86% of subjects. Despite oral supplementation (taken in 38% of our population), only a quarter of those on oral supplementation attained normal values of 25-OH vitamin D.
Authors:
D Stoll; J Dudler; O Lamy; D Hans; A So; M A Krieg; B Aubry-Rozier
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Publication Detail:
Type:  Journal Article     Date:  2011-05-27
Journal Detail:
Title:  Swiss medical weekly     Volume:  141     ISSN:  1424-3997     ISO Abbreviation:  Swiss Med Wkly     Publication Date:  2011  
Date Detail:
Created Date:  2011-05-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100970884     Medline TA:  Swiss Med Wkly     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  w13196     Citation Subset:  IM    
Affiliation:
Center for Bone Diseases, Lausanne University Hospital (CHUV) - DAL, Avenue Pierre Decker 4, 1011 Lausanne, CH. delphine.stoll@chuv.ch.
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