Vitamin D status is associated with muscle strength and quality of life in patients with COPD: a seasonal prospective observation study

@article{Carson2018VitaminDS,
  title={Vitamin D status is associated with muscle strength and quality of life in patients with COPD: a seasonal prospective observation study},
  author={E. L. Carson and Laura Kirsty Pourshahidi and Sharon M. Madigan and Francina R. Baldrick and Martin Kelly and Eamon Laird and Martin Healy and J J Strain and Maria S. Mulhern},
  journal={International Journal of Chronic Obstructive Pulmonary Disease},
  year={2018},
  volume={13},
  pages={2613 - 2622}
}
Background Owing to hospitalization, reduced functional capacity and consequently, less sunlight exposure, suboptimal vitamin D status (25-hydroxyvitamin D [25(OH)D]⩽50 nmol/L) is prevalent among COPD patients. Objective This study aimed to investigate seasonal changes in vitamin D status and any associated changes in fat-free mass (FFM), muscle strength and quality of life (QoL) in COPD patients. Patients and methods COPD patients living in Northern Ireland (n=51) completed study visits at the… 
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Bone mineral density and vitamin D levels in patients with group a COPD
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High parathyroid hormone predicts exacerbations in COPD patients with hypovitaminosis D.
Correlation of severity of chronic obstructive pulmonary disease with serum vitamin-D level
TLDR
The serum vitamin D level and its correlation with severity of COPd as assessed by spirometry, COPD assessment test (CAT) and exercise capacity and BMI of COPD patients was studied.
Nutritional support in chronic obstructive pulmonary disease (COPD): an evidence update.
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A Comprehensive Review on Vitamin D as a Novel Therapeutic Agent in Chronic Obstructive Pulmonary Disease
TLDR
The hypothesis that vitamin D can act as an effective therapeutic agent for COPD is tested by reviewing the correlation between the two and effectiveness along with the safety of supplemental vitamin D when used to treat chronic bronchitis and emphysema through clinical trials.
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