Biochemical osteomalacia in adults undergoing vitamin D testing in the North-East of Scotland

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Název: Biochemical osteomalacia in adults undergoing vitamin D testing in the North-East of Scotland
Autoři: Angus D Macleod, Mark J Bolland, Andrew Balfour, Andrew Grey, Josh Newmark, Alison Avenell
Přispěvatelé: University of Aberdeen.Aberdeen Centre for Health Data Science, University of Aberdeen.Grampian Data Safe Haven (DaSH), University of Aberdeen.Chronic Disease Research Group, University of Aberdeen.Other Applied Health Sciences, University of Aberdeen.Aberdeen Centre for Evaluation, University of Aberdeen.Institute of Applied Health Sciences
Zdroj: Ann Clin Biochem
Informace o vydavateli: SAGE Publications, 2025.
Rok vydání: 2025
Témata: insufficiency, Supplementary Data, hypocalcaemia, Clinical Biochemistry, deficiency, osteomalacia, Vitamin D, R Medicine, Research Articles
Popis: Background International guidelines give greatly varying definitions of 25-hydroxyvitamin D (25OHD) insufficiency and deficiency. Vitamin D testing is increasing despite 2016 UK guidance for adults advising routine vitamin D supplementation October-March and year-round for high risk groups. A service evaluation of vitamin D testing and biochemical osteomalacia in the North-East of Scotland (57–58°N) could inform definitions and testing guidance. Methods We identified adult 25OHD requests 8/7/2008–29/2/2020 and albumin-adjusted serum calcium (aCa), parathyroid hormone (PTH) and alkaline phosphatase (ALP) within 6 months of 25OHD testing. After excluding renal impairment and liver disease, we defined biochemical osteomalacia as ALP >130 IU/L and aCa 9.2 or >6.8 pmol/L, depending on the assay. Possible biochemical osteomalacia was defined as 2 of these abnormalities in the absence of the third measurement. From these cases anonymised clinical data were then examined to confirm the diagnosis of osteomalacia. Results 25,379 eligible patients had 25OHD measured: 25% were 25 nmol/L. For the entire tested population, when 25OHD was Conclusions Osteomalacia is rare in North-East Scotland. Our data call into question designating 25OHD 25–50 nmol/L ‘insufficiency’. The risk of osteomalacia even when 25OHD is
Druh dokumentu: Article
Other literature type
Popis souboru: application/pdf
Jazyk: English
ISSN: 1758-1001
0004-5632
DOI: 10.1177/00045632251315671
Rights: URL: https://journals.sagepub.com/page/policies/text-and-data-mining-license
URL: http://creativecommons.org/licenses/by/4.0/This article is distributed under the terms of the Creative Commons Attribution 4.0 License (http://creativecommons.org/licenses/by/4.0/) which permits any use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the Sage and Open Access page (http://us.sagepub.com/en-us/nam/open-access-at-sage).
Přístupové číslo: edsair.doi.dedup.....02d38c9ca93d4efa5f744b36a38c7cda
Databáze: OpenAIRE
Popis
Abstrakt:Background International guidelines give greatly varying definitions of 25-hydroxyvitamin D (25OHD) insufficiency and deficiency. Vitamin D testing is increasing despite 2016 UK guidance for adults advising routine vitamin D supplementation October-March and year-round for high risk groups. A service evaluation of vitamin D testing and biochemical osteomalacia in the North-East of Scotland (57–58°N) could inform definitions and testing guidance. Methods We identified adult 25OHD requests 8/7/2008–29/2/2020 and albumin-adjusted serum calcium (aCa), parathyroid hormone (PTH) and alkaline phosphatase (ALP) within 6 months of 25OHD testing. After excluding renal impairment and liver disease, we defined biochemical osteomalacia as ALP >130 IU/L and aCa 9.2 or >6.8 pmol/L, depending on the assay. Possible biochemical osteomalacia was defined as 2 of these abnormalities in the absence of the third measurement. From these cases anonymised clinical data were then examined to confirm the diagnosis of osteomalacia. Results 25,379 eligible patients had 25OHD measured: 25% were 25 nmol/L. For the entire tested population, when 25OHD was Conclusions Osteomalacia is rare in North-East Scotland. Our data call into question designating 25OHD 25–50 nmol/L ‘insufficiency’. The risk of osteomalacia even when 25OHD is
ISSN:17581001
00045632
DOI:10.1177/00045632251315671