{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T12:27:42Z","timestamp":1785414462684,"version":"3.56.0"},"reference-count":60,"publisher":"Centre for Evaluation in Education and Science (CEON\/CEES)","issue":"3","license":[{"start":{"date-parts":[[2025,1,1]],"date-time":"2025-01-01T00:00:00Z","timestamp":1735689600000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/BY\/4.0"}],"funder":[{"DOI":"10.13039\/501100004564","name":"Ministry of Education, Science and Technological Development of the Republic of Serbia","doi-asserted-by":"publisher","award":["451-03-68\/2020-14\/200110"],"award-info":[{"award-number":["451-03-68\/2020-14\/200110"]}],"id":[{"id":"10.13039\/501100004564","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Med Biochemistry"],"published-print":{"date-parts":[[2025]]},"abstract":"<jats:p>Background: Critical illnesses imply vital organ dysfunctions with high risk of imminent death. Magnesium is a bioessential element with multiple physiological effects relevant for vital body functions. It stabilizes excitable membranes contributing to proper neuromuscular, cardiovascular and respiratory functions. Ionized Mg2+ (iMg2+) is free bioactive form of Mg2+ in body fluids. Magnesium disorders in critically ill patients are often overlooked. Chronic Mg2+ deficiency is a condition of growing incidence in the general population and a significant factor in overall morbidity and mortality in critical illness. Main goal of this study was to investigate the existing literature related to determination of iMg2+ in the critically ill and to raise awareness of the problem of chronic Mg2+ deficiency in these patients. Methods: Search was conducted across electronic PubMed library database from 1975 to November 2024 using keywords concerning iMg2+ and critical care patients, to identify studies investigating the measuring of blood concentration of iMg2+ fraction in patients with critical health conditions. Search was limited to English language. Selection criteria included only studies on human, and excluded studies on animal population. Results: We identified 95 relevant studies. Reviewed papers show that abnormalities of Mg2+ levels are prevalent in critical illnesses. Their severity can impose vital threat. Disconcordance between total Mg2+ (tMg2+) and iMg2+ blood levels is frequently present in critical patients. Conclusions: Appropriate electrolyte analyzer assay is needed to promptly determine iMg2+ levels to assess Mg2+ status in critically ill patients, in order to help detect and correct Mg2+ imbalances and estimate the requirement for Mg2+ recompense in the case of deficiency, and thereby provide better outcome of the disease.<\/jats:p>","DOI":"10.5937\/jomb0-54782","type":"journal-article","created":{"date-parts":[[2025,1,14]],"date-time":"2025-01-14T03:20:58Z","timestamp":1736824858000},"page":"386-399","source":"Crossref","is-referenced-by-count":3,"title":["The importance of measuring the levels of ionized magnesium in the blood in critically ill patients"],"prefix":"10.5937","volume":"44","author":[{"suffix":"B.","given":"Marija","family":"Stanojevi\u0107","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/02qsmb048","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Miro","family":"Parezanovic","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/02dx8kd29","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0003-8185-8518","authenticated-orcid":false,"given":"Marko","family":"Biorac","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/02qsmb048","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5352-8998","authenticated-orcid":false,"given":"Svetolik","family":"Spasi\u0107","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/02qsmb048","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5905-7173","authenticated-orcid":false,"given":"Sanjin","family":"Kova\u010devi\u0107","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/02qsmb048","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1875-8138","authenticated-orcid":false,"given":"Sr\u0111an","family":"Lopi\u010di\u0107","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/02qsmb048","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"suffix":"Jelena","given":"Ostoji\u0107","family":"Ne\u0161ovi\u0107","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/02qsmb048","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"3964","reference":[{"key":"ref1","unstructured":"Shirey TL. 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