{"id":"https://openalex.org/W2481100634","doi":null,"title":"Falsely high ionized magnesium results by an ion-selective electrode method in severe hypomagnesemia.","display_name":"Falsely high ionized magnesium results by an ion-selective electrode method in severe hypomagnesemia.","publication_year":1997,"publication_date":"1997-09-01","ids":{"openalex":"https://openalex.org/W2481100634","mag":"2481100634","pmid":"https://pubmed.ncbi.nlm.nih.gov/9352233"},"language":"en","primary_location":{"id":"pmid:9352233","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/9352233","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"European journal of clinical chemistry and clinical biochemistry : journal of the Forum of European Clinical Chemistry Societies","raw_type":"Case Reports"},"volume":null,"type":"article","indexed_in":["pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5027032991","display_name":"Gy\u00f6rgy Cs\u00e1k\u00f3","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1299303238","display_name":"National Institutes of Health","ror":"https://ror.org/01cwqze88","country_code":"US","type":"government","lineage":["https://openalex.org/I1299022934","https://openalex.org/I1299303238"]},{"id":"https://openalex.org/I4210155647","display_name":"National Institutes of Health Clinical Center","ror":"https://ror.org/04vfsmv21","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1299022934","https://openalex.org/I1299303238","https://openalex.org/I4210155647"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"G Csako","raw_affiliation_strings":["Clinical Pathology Department, W. G. Magnuson Clinical Center, National Institutes of Health, Bethesda, Maryland, USA. gcsako@nih.gov","Clinical Pathology Department, W. G. Magnuson Clinical Center, National Institutes of Health, Bethesda, Maryland, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Clinical Pathology Department, W. G. Magnuson Clinical Center, National Institutes of Health, Bethesda, Maryland, USA. gcsako@nih.gov","institution_ids":["https://openalex.org/I1299303238","https://openalex.org/I4210155647"]},{"raw_affiliation_string":"Clinical Pathology Department, W. G. Magnuson Clinical Center, National Institutes of Health, Bethesda, Maryland, USA","institution_ids":["https://openalex.org/I1299303238","https://openalex.org/I4210155647"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089526549","display_name":"Nadja N. Rehak","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"N N Rehak","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5112168955","display_name":"Elin Rj","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"R J Elin","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.7573,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.75293036,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"35","issue":"9","first_page":"701","last_page":"9"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12280","display_name":"Magnesium in Health and Disease","score":0.9688000082969666,"subfield":{"id":"https://openalex.org/subfields/2916","display_name":"Nutrition and Dietetics"},"field":{"id":"https://openalex.org/fields/29","display_name":"Nursing"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T12280","display_name":"Magnesium in Health and Disease","score":0.9688000082969666,"subfield":{"id":"https://openalex.org/subfields/2916","display_name":"Nutrition and Dietetics"},"field":{"id":"https://openalex.org/fields/29","display_name":"Nursing"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11314","display_name":"Clinical Laboratory Practices and Quality Control","score":0.027899999171495438,"subfield":{"id":"https://openalex.org/subfields/2737","display_name":"Physiology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10530","display_name":"Magnesium Alloys: Properties and Applications","score":0.0006000000284984708,"subfield":{"id":"https://openalex.org/subfields/2502","display_name":"Biomaterials"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/hypomagnesemia","display_name":"hypomagnesemia","score":0.9330000281333923},{"id":"https://openalex.org/keywords/ionized-magnesium","display_name":"ionized magnesium","score":0.9079999923706055},{"id":"https://openalex.org/keywords/serum-magnesium","display_name":"serum magnesium","score":0.6819999814033508},{"id":"https://openalex.org/keywords/ion-selective-electrodes","display_name":"ion-selective electrodes","score":0.8029999732971191},{"id":"https://openalex.org/keywords/measurement-error","display_name":"measurement error","score":0.6660000085830688},{"id":"https://openalex.org/keywords/cisplatin","display_name":"cisplatin","score":0.8220000267028809},{"id":"https://openalex.org/keywords/interleukin-2","display_name":"interleukin-2","score":0.996999979019165}],"concepts":[{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.8092338442802429},{"id":"https://openalex.org/C543218039","wikidata":"https://www.wikidata.org/wiki/Q660","display_name":"Magnesium","level":2,"score":0.8031618595123291},{"id":"https://openalex.org/C2776183862","wikidata":"https://www.wikidata.org/wiki/Q3771629","display_name":"Hypomagnesemia","level":3,"score":0.7865605354309082},{"id":"https://openalex.org/C519063684","wikidata":"https://www.wikidata.org/wiki/Q706","display_name":"Calcium","level":2,"score":0.5113131999969482},{"id":"https://openalex.org/C87975464","wikidata":"https://www.wikidata.org/wiki/Q910704","display_name":"Calcium metabolism","level":3,"score":0.4341806173324585},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.3940410912036896},{"id":"https://openalex.org/C140793950","wikidata":"https://www.wikidata.org/wiki/Q168091","display_name":"Animal science","level":1,"score":0.3440953493118286},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.07792085409164429},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.06609752774238586},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002118","descriptor_name":"Calcium","qualifier_ui":"Q000097","qualifier_name":"blood","is_major_topic":false},{"descriptor_ui":"D002138","descriptor_name":"Calibration","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008274","descriptor_name":"Magnesium","qualifier_ui":"Q000097","qualifier_name":"blood","is_major_topic":true},{"descriptor_ui":"D008275","descriptor_name":"Magnesium Deficiency","qualifier_ui":"Q000097","qualifier_name":"blood","is_major_topic":true},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D009994","descriptor_name":"Osmolar Concentration","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D010710","descriptor_name":"Phosphates","qualifier_ui":"Q000097","qualifier_name":"blood","is_major_topic":false},{"descriptor_ui":"D012044","descriptor_name":"Regression Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015203","descriptor_name":"Reproducibility of Results","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D017736","descriptor_name":"Ion-Selective Electrodes","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true}],"locations_count":2,"locations":[{"id":"pmid:9352233","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/9352233","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"European journal of clinical chemistry and clinical biochemistry : journal of the Forum of European Clinical Chemistry Societies","raw_type":"Case Reports"},{"id":"mag:2481100634","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/9352233","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"PubMed","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being","score":0.6240000128746033}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W144154939","https://openalex.org/W2012924227","https://openalex.org/W2068749246","https://openalex.org/W2039289672","https://openalex.org/W2045214351","https://openalex.org/W1967322381","https://openalex.org/W2418305919","https://openalex.org/W4402220173","https://openalex.org/W2102323315","https://openalex.org/W311435467"],"abstract_inverted_index":{"Changes":[0],"in":[1,17,84,108,169,210,284,330,340],"serum":[2,80,126,143,327],"total":[3,81,90,103,127,130,144,171,178,189,193,225,229,252,280,291,347],"and":[4,8,10,13,44,57,132,145,156,177,220,228,283,311],"ionized":[5,146],"magnesium":[6],"(Mg":[7],"Mg2+)":[9],"calcium":[11],"(Ca":[12],"Ca2+)":[14],"were":[15,46,60,115],"monitored":[16],"three":[18,86],"patients":[19,124,334],"who":[20],"transiently":[21],"developed":[22],"severe":[23,336],"(total":[24,32],"Mg":[25,33,82,91,152,172,190,281,308],"<":[26,34],"0.50":[27],"mmol/l)":[28,36],"to":[29,38,62,139,202,250,298,322],"profound":[30],"hypomagnesemia":[31],"0.35":[35,96],"due":[37,297],"cisplatin":[39],"or":[40,94,101,192,264,338],"interleukin-2":[41],"therapies.":[42],"Mg2+":[43,70,99,162,198,212,234,276,328],"Ca2+":[45,133,215,244],"measured":[47],"with":[48,166,187,223,335,343],"the":[49,67,69,76,79,89,98,109,170,197,205,211,243,251,285,303,307,315,317,331],"Nova":[50],"ion-selective":[51],"electrodes":[52],"at":[53,277],"37":[54],"degrees":[55],"C":[56],"all":[58,85],"results":[59],"normalized":[61],"pH":[63],"7.40.":[64],"Independent":[65],"of":[66,78,111,121,204,275,287,302,319,333],"etiology,":[68],"fraction":[71,163,199,216],"(Mg2+/total":[72],"Mg)":[73],"increased":[74,165,201],"as":[75],"concentration":[77,173,235,245],"decreased":[83],"patients.":[87],"When":[88],"was":[92,236],"around":[93],"below":[95],"mmol/l":[97],"approached":[100],"exceeded":[102],"Mg,":[104,128],"suggesting":[105],"an":[106,208,344],"error":[107,209],"measurement":[110],"Mg2+.":[112],"The":[113,142,161,214,233,272],"findings":[114],"extended":[116],"by":[117],"including":[118],"a":[119,167,218,247,261,265,288],"group":[120],"31":[122],"additional":[123],"whose":[125],"Mg2+,":[129],"Ca,":[131],"concentrations":[134,147,191,227,329],"varied":[135],"from":[136],"abnormally":[137],"low":[138,279,290,326,346],"above":[140],"normal.":[141],"strongly":[148],"correlated":[149],"for":[150],"both":[151],"(r2":[153,158,174,182,239],"=":[154,159,175,183,240],"0.88)":[155],"Ca":[157,180,195,226,231,254,293,304,349],"0.92).":[160],"rapidly":[164],"fall":[168],"0.76)":[176],"Mg/total":[179,194,230,253,292,348],"ratio":[181],"0.71).":[184],"In":[185],"fact,":[186],"decreasing":[188],"ratios,":[196],"progressively":[200],"93-128%":[203],"total,":[206],"confirming":[207],"determinations.":[213],"showed":[217,246],"slight":[219],"insignificant":[221],"decrease":[222],"falling":[224],"ratios.":[232],"directly":[237],"related":[238],"0.62),":[241],"whereas":[242],"complex":[248],"relationship":[249,259],"ratio.":[255],"Whether":[256],"this":[257,320],"latter":[258],"represents":[260],"technical":[262],"artifact":[263],"true":[266],"biological":[267],"phenomenon":[268],"requires":[269],"further":[270],"study.":[271],"apparent":[273],"overestimation":[274],"very":[278,289,325],"concentrations,":[282],"presence":[286],"ratio,":[294,350],"could":[295],"be":[296],"improper":[299],"chemometric":[300],"correction":[301],"effect":[305],"on":[306],"electrode,":[309],"non-linearity,":[310],"inadequate":[312],"calibration.":[313],"Whatever":[314],"mechanism,":[316],"failure":[318],"method":[321],"correctly":[323],"measure":[324],"sera":[332],"hypomagnesemia,":[337],"likely":[339],"any":[341],"patient":[342],"unusually":[345],"erodes":[351],"its":[352],"diagnostic":[353],"usefulness.":[354]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2018,"cited_by_count":1}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-08-23T00:00:00"}