著者
Ryo Okazaki Keiichi Ozono Seiji Fukumoto Daisuke Inoue Mika Yamauchi Masanori Minagawa Toshimi Michigami Yasuhiro Takeuchi Toshio Matsumoto Toshitsugu Sugimoto
出版者
(社)日本内分泌学会
雑誌
Endocrine Journal (ISSN:09188959)
巻号頁・発行日
(Released:2016-12-20)

Vitamin D is indispensable for the maintenance of bone and mineral health. Inadequate vitamin D action increases the risk for various musculoskeletal/mineral events including fracture, fall, secondary hyperparathyroidism, diminished response to antiresorptives, rickets/osteomalacia, and hypocalcemia. Its most common cause in recent years is vitamin D deficiency/insufficiency, clinically defined by low serum 25-hydroxyvitamin D [25(OH)D] level. Guidelines for vitamin D insufficiency/deficiency defined by serum 25(OH)D concentrations have been published all over the world. In Japan, however, the information on the associations between serum 25(OH)D and bone and mineral disorders has not been widely shared among healthcare providers, partly because its measurement had not been reimbursed with national medical insurance policy until August 2016. We have set out to collect and analyze Japanese data on the relationship between serum 25(OH)D concentration and bone and mineral events. Integrating these domestic data and published guidelines worldwide, here we present the following assessment criteria for vitamin D sufficiency/insufficiency/deficiency using serum 25(OH)D level in Japan. 1) Serum 25(OH)D level equal to or above 30 ng/ml is considered to be vitamin D sufficient. 2) Serum 25(OH)D level less than 30 ng/ml but not less than 20 ng/ml is considered to be vitamin D insufficient. 3) Serum 25(OH)D level less than 20 ng/ml is considered to be vitamin D deficient. We believe that these criteria will be clinically helpful in the assessment of serum 25(OH)D concentrations and further expect that they will form a basis for the future development of guidelines for the management of vitamin D deficiency/insufficiency.

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先進諸国での栄養性くる病の発生が増加しています。最近の日本の研究でもこの疾病が多く確認されていることが示されています。 https://t.co/d2uBoStrIC

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