Abstract
Primary Raynaud phenomenon (RP) is resultant from transient vasospasm of peripheral arteries and arterioles, is usually precipitated by cold exposure or emotional stress, without any clue for autoimmune connective tissue diseases. We aimed to determine the frequency of vitamin D and B12 deficiencies in pediatric patients with primary RP, and to investigate their roles on the disease course. Vitamin B12 and D were supplemented if the patients had deficiencies. The study included 40 children with primary RP, 29 (72.5%) female and 11 (27.5%) male. The mean and median age were 15.1 ± 1.8 and 15.5 (range, 11.5–17.8) years. Symptoms were improved in 31 (77.5%) patients with warming procedures. Seventeen (41.5%) and 16 (39%) patients had low serum vitamin B12 and D levels, respectively. Vasodilator treatment requirement did not change by vitamin B12 status but was significantly lower in vitamin D deficient and replaced patients. Further studies are needed to clarify our results.
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The data that support the findings of this study are available on request from the corresponding author.
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RMKE conceptualized and designed the study, drafted the initial manuscript, and reviewed and revised the manuscript. IETK collected data and carried out the initial analyses. UC critically reviewed and revised the manuscript. All authors approved the final manuscript as submitted and agree to be accountable for all aspects of the work. All co-authors take full responsibility for the integrity of the study.
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Kisla Ekinci, R.M., Taskin Karacay, I.E. & Celik, U. Serum vitamin B12 and D levels in children with Primary Raynaud Phenomenon: a retrospective cohort study. Eur J Clin Nutr 76, 1615–1617 (2022). https://doi.org/10.1038/s41430-022-01151-0
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DOI: https://doi.org/10.1038/s41430-022-01151-0