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Earl, K, Sakellariou, G, Sinclair, M, Fenech, M, Croden, F, Owens, DJ, Tang, J, Miller, A, Lawton, C, Dye, L, Close, GL, Fraser, WD, McArdle, A and Beadsworth, M (2017) Vitamin D status in chronic fatigue syndrome/myalgic encephalomyelitis: a cohort study from the North-West of England. BMJ Open. ISSN 2044-6055
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Abstract
Objective Severe vitamin D deficiency is a recognised cause of skeletal muscle fatigue and myopathy. The aim of this study was to examine whether chronic fatigue syndrome/myalgic encephalomyelitis (CFS/ME) is associated with altered circulating vitamin D metabolites. Design Cohort study. Setting UK university hospital, recruiting from April 2014 to April 2015. Participants Ninety-two patients with CFS/ME and 94 age-matched healthy controls (HCs). Main outcome measures The presence of a significant association between CFS/ME, fatigue and vitamin D measures. Results No evidence of a deficiency in serum total 25(OH) vitamin D (25(OH)D2 and 25(OH)D3 metabolites) was evident in individuals with CFS/ME. Liquid chromatography tandem mass spectrometry (LC–MS/MS) analysis revealed that total 25(OH)D was significantly higher (p=0.001) in serum of patients with CFS/ME compared with HCs (60.2 and 47.3 nmol/L, respectively). Analysis of food/ supplement diaries with WinDiets revealed that the higher total 25(OH) vitamin D concentrations observed in the CFS/ ME group were associated with increased vitamin D intake through use of supplements compared with the control group. Analysis of Chalder Fatigue Questionnaire data revealed no association between perceived fatigue and vitamin D levels. Conclusions Low serum concentrations of total 25(OH) D do not appear to be
| Item Type: | Article |
|---|---|
| Subjects: | T Technology > TX Home economics > TX341 Nutrition. Foods and food supply R Medicine > RM Therapeutics. Pharmacology |
| Divisions: | Sport & Exercise Sciences |
| Publisher: | BMJ Journals |
| Date Deposited: | 10 Nov 2017 11:06 |
| Last Modified: | 04 Sep 2021 11:01 |
| DOI or ID number: | 10.1136/bmjopen-2016-015296 |
| URI: | https://researchonline.ljmu.ac.uk/id/eprint/7513 |
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