Janne Cadamuro, Anna Carobene, Federico Cabitza, Zeljko Debeljak, Sander De Bruyne, William van Doorn, Elias Johannes, Glynis Frans, Habib Özdemir, Salomon Martin Perez, Daniel Rajdl, Alexander Tolios, Andrea Padoan
{"title":"A comprehensive survey of artificial intelligence adoption in European laboratory medicine: current utilization and prospects.","authors":"Janne Cadamuro, Anna Carobene, Federico Cabitza, Zeljko Debeljak, Sander De Bruyne, William van Doorn, Elias Johannes, Glynis Frans, Habib Özdemir, Salomon Martin Perez, Daniel Rajdl, Alexander Tolios, Andrea Padoan","doi":"10.1515/cclm-2024-1016","DOIUrl":"https://doi.org/10.1515/cclm-2024-1016","url":null,"abstract":"<p><strong>Background: </strong>As the healthcare sector evolves, Artificial Intelligence's (AI's) potential to enhance laboratory medicine is increasingly recognized. However, the adoption rates and attitudes towards AI across European laboratories have not been comprehensively analyzed. This study aims to fill this gap by surveying European laboratory professionals to assess their current use of AI, the digital infrastructure available, and their attitudes towards future implementations.</p><p><strong>Methods: </strong>We conducted a methodical survey during October 2023, distributed via EFLM mailing lists. The survey explored six key areas: general characteristics, digital equipment, access to health data, data management, AI advancements, and personal perspectives. We analyzed responses to quantify AI integration and identify barriers to its adoption.</p><p><strong>Results: </strong>From 426 initial responses, 195 were considered after excluding incomplete and non-European entries. The findings revealed limited AI engagement, with significant gaps in necessary digital infrastructure and training. Only 25.6 % of laboratories reported ongoing AI projects. Major barriers included inadequate digital tools, restricted access to comprehensive data, and a lack of AI-related skills among personnel. Notably, a substantial interest in AI training was expressed, indicating a demand for educational initiatives.</p><p><strong>Conclusions: </strong>Despite the recognized potential of AI to revolutionize laboratory medicine by enhancing diagnostic accuracy and efficiency, European laboratories face substantial challenges. This survey highlights a critical need for strategic investments in educational programs and infrastructure improvements to support AI integration in laboratory medicine across Europe. Future efforts should focus on enhancing data accessibility, upgrading technological tools, and expanding AI training and literacy among professionals. In response, our working group plans to develop and make available online training materials to meet this growing educational demand.</p>","PeriodicalId":10390,"journal":{"name":"Clinical chemistry and laboratory medicine","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2024-10-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142496313","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Anouk Olthof, Jolanda C Naafs, Nitash Zwaveling-Soonawala, Charlotte A Heinen, Sabine E Hannema, Jacquelien J Hillebrand, Anita Boelen, Paul A S van Trotsenburg, Annemieke C Heijboer
{"title":"Neonatal reference intervals for serum steroid hormone concentrations measured by LC-MS/MS.","authors":"Anouk Olthof, Jolanda C Naafs, Nitash Zwaveling-Soonawala, Charlotte A Heinen, Sabine E Hannema, Jacquelien J Hillebrand, Anita Boelen, Paul A S van Trotsenburg, Annemieke C Heijboer","doi":"10.1515/cclm-2024-0393","DOIUrl":"https://doi.org/10.1515/cclm-2024-0393","url":null,"abstract":"<p><strong>Objectives: </strong>Congenital adrenal hyperplasia (CAH) is a rare, inherited disorder of adrenal steroid synthesis. In many countries it is part of the neonatal screening program enabling early diagnosis and treatment. In case of an abnormal neonatal screening result or when other differences of sexual development (DSD) are suspected, measurement of serum steroid hormones using liquid chromatography coupled to mass spectrometry (LC-MS/MS) is needed for further diagnosis. However, reliable age- and sex-specific reference intervals (RIs) for serum steroid hormones during the neonatal period are missing. We therefore aimed to establish LC-MS/MS based RIs for serum steroid hormones in neonates.</p><p><strong>Methods: </strong>Serum was obtained from healthy term neonates at two time points: 130 samples at day 3-8 (<i>T1</i>, time of the neonatal screening) and 126 samples at day 13-15 (<i>T2,</i> two weeks old). Concentrations of cortisol, cortisone, corticosterone, 11-deoxycortisol, 21-deoxycortisol, 11-deoxycorticosterone, testosterone, androstenedione, and 17-hydroxyprogesterone (17-OHP) were measured using LC-MS/MS.</p><p><strong>Results: </strong>RIs (in nmol/L) were established for <i>T1</i> and <i>T2</i>: cortisone (19.3-215;18.0-212), cortisol (10.0-407;8.4-446), corticosterone (<31;<50), 11-deoxycortisol (0.73-4.6;0.70-3.6), 17-OHP (<4.9;<5.1), androstenedione (0.3-1.8;0.3-2.7), 11-deoxycorticosterone (<0.2;<0.2), and 21-deoxycortisol (<1;<1), respectively. Testosterone differed between boys and girls: RIs at <i>T1</i> and <i>T2</i> for boys were 0.27-4.3 and 0.63-13.9, and for girls<0.30 and <0.47, respectively.</p><p><strong>Conclusions: </strong>We established LC-MS/MS based RIs for cortisol, cortisone, corticosterone, 11-deoxycortisol, 21-deoxycortisol, 11-deoxycorticosterone, testosterone, androstenedione, and 17-OHP in neonates in the first and second week of life.</p>","PeriodicalId":10390,"journal":{"name":"Clinical chemistry and laboratory medicine","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2024-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142459546","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jana Neirinck, Malicorne Buysse, Naděžda Brdickova, Martín Perez-Andres, Ciel De Vriendt, Tessa Kerre, Filomeen Haerynck, Xavier Bossuyt, Jacques J M van Dongen, Alberto Orfao, Mattias Hofmans, Carolien Bonroy, Tomas Kalina
{"title":"The EuroFlow PIDOT external quality assurance scheme: enhancing laboratory performance evaluation in immunophenotyping of rare lymphoid immunodeficiencies.","authors":"Jana Neirinck, Malicorne Buysse, Naděžda Brdickova, Martín Perez-Andres, Ciel De Vriendt, Tessa Kerre, Filomeen Haerynck, Xavier Bossuyt, Jacques J M van Dongen, Alberto Orfao, Mattias Hofmans, Carolien Bonroy, Tomas Kalina","doi":"10.1515/cclm-2024-0749","DOIUrl":"https://doi.org/10.1515/cclm-2024-0749","url":null,"abstract":"<p><strong>Objectives: </strong>The development of External Quality Assessment Schemes (EQAS) for clinical flow cytometry (FCM) is challenging in the context of rare (immunological) diseases. Here, we introduce a novel EQAS monitoring the primary immunodeficiency Orientation Tube (PIDOT), developed by EuroFlow, in both a 'wet' and 'dry' format. This EQAS provides feedback on the quality of individual laboratories (i.e., accuracy, reproducibility and result interpretation), while eliminating the need for sample distribution.</p><p><strong>Methods: </strong>In the wet format, marker staining intensities (MedFIs) within landmark cell populations in PIDOT analysis performed on locally collected healthy control (HC) samples, were compared to EQAS targets. In the dry format, participants analyzed centrally distributed PIDOT flow cytometry data (n=10).</p><p><strong>Results: </strong>We report the results of six EQAS rounds across 20 laboratories in 11 countries. The wet format (212 HC samples) demonstrated consistent technical performance among laboratories (median %rCV on MedFIs=34.5 %; average failure rate 17.3 %) and showed improvement upon repeated participation. The dry format demonstrated effective proficiency of participants in cell count enumeration (range %rCVs 3.1-7.1 % for the major lymphoid subsets), and in identifying lymphoid abnormalities (79.3 % alignment with reference).</p><p><strong>Conclusions: </strong>The PIDOT-EQAS allows laboratories, adhering to the standardized EuroFlow approach, to monitor interlaboratory variations without the need for sample distribution, and provides them educational support to recognize rare clinically relevant immunophenotypic patterns of primary immunodeficiencies (PID). This EQAS contributes to quality improvement of PID diagnostics and can serve as an example for future flow cytometry EQAS in the context of rare diseases.</p>","PeriodicalId":10390,"journal":{"name":"Clinical chemistry and laboratory medicine","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2024-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142459548","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Erica J Fermon, Marlon Sy, Thomas A Drake, Lu Song
{"title":"\"Activation\" of macro-AST by pyridoxal-5-phosphate in the assay for aspartate aminotransferase.","authors":"Erica J Fermon, Marlon Sy, Thomas A Drake, Lu Song","doi":"10.1515/cclm-2024-0944","DOIUrl":"10.1515/cclm-2024-0944","url":null,"abstract":"","PeriodicalId":10390,"journal":{"name":"Clinical chemistry and laboratory medicine","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2024-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142459544","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Marcus Clarin, Elin Gustafsson, Carina Gustafsson, Maria Lohmander, Henrik Zetterberg
{"title":"The correlation of albumin with total protein concentrations in cerebrospinal fluid across three automated analysers - relevance to the diagnosis of subarachnoid haemorrhage in clinical chemistry practice.","authors":"Marcus Clarin, Elin Gustafsson, Carina Gustafsson, Maria Lohmander, Henrik Zetterberg","doi":"10.1515/cclm-2024-1120","DOIUrl":"https://doi.org/10.1515/cclm-2024-1120","url":null,"abstract":"","PeriodicalId":10390,"journal":{"name":"Clinical chemistry and laboratory medicine","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2024-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142459547","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pascal Kintz, Laurie Gheddar, Simona Pichini, Mario Plebani, Alberto Salomone
{"title":"Clostebol and sport: about controversies involving contamination vs. doping offence.","authors":"Pascal Kintz, Laurie Gheddar, Simona Pichini, Mario Plebani, Alberto Salomone","doi":"10.1515/cclm-2024-1165","DOIUrl":"https://doi.org/10.1515/cclm-2024-1165","url":null,"abstract":"<p><p>Clostebol, the 4-chloro derivative of testosterone, available as Over The Counter product in pharmacies and drugstores in several countries, is mostly commercialized as a cream or spray in the form of acetate ester. As other anabolic steroids, clostebol is listed as a prohibited substance by the World Anti-Doping Agency (WADA). Controlled transdermal application of clostebol acetate has been reported to produce detectable amounts of its metabolites in urine, even after a single exposure. Indeed, a low urine concentration can be interpreted as the tail of a drug voluntarily used to enhance performance or a direct consequence of a contamination. The increased number of adverse analytical findings (AAFs) involving clostebol reported in the last years should lead to highlight the need for athletes to be warned against personal and /or accidental use/exposure of dermal preparation containing this doping agent. Further discussion on possible threshold limits and laboratory testing on different matrices (e.g. hair) to better clarify the origin of minimal amounts of clostebol in urines is advisable.</p>","PeriodicalId":10390,"journal":{"name":"Clinical chemistry and laboratory medicine","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2024-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142459545","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Navigating complexities in vitamin D and cardiovascular health: a call for comprehensive analysis.","authors":"Shanzhen Xie, Ruolan You","doi":"10.1515/cclm-2024-1004","DOIUrl":"https://doi.org/10.1515/cclm-2024-1004","url":null,"abstract":"","PeriodicalId":10390,"journal":{"name":"Clinical chemistry and laboratory medicine","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2024-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142388601","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Time to refresh and integrate the JCTLM database entries for total bilirubin: the way forward.","authors":"Mauro Panteghini, W Greg Miller, Robert Wielgosz","doi":"10.1515/cclm-2024-1110","DOIUrl":"https://doi.org/10.1515/cclm-2024-1110","url":null,"abstract":"","PeriodicalId":10390,"journal":{"name":"Clinical chemistry and laboratory medicine","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2024-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142388602","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Carolyn Piggott, Cerin John, Shane O'Driscoll, Sally C Benton
{"title":"Analytical evaluation of eight qualitative FIT for haemoglobin products, for professional use in the UK.","authors":"Carolyn Piggott, Cerin John, Shane O'Driscoll, Sally C Benton","doi":"10.1515/cclm-2024-0502","DOIUrl":"https://doi.org/10.1515/cclm-2024-0502","url":null,"abstract":"<p><strong>Objectives: </strong>Qualitative faecal immunochemical tests for haemoglobin (FIT), for triaging for colorectal cancer investigations, are available for professional use. The aim was to evaluate these lateral flow tests. No previous analytical evaluations have been published.</p><p><strong>Methods: </strong>Analytical sensitivity (AS) was assessed using samples spanning manufacturers' quoted AS, concurrently with the quantitative OC-SENSOR PLEDIA, using Hb-spiked samples in manufacturers' buffer (n≥5; ≤9-99 ng Hb/mL buffer), Hb-spiked faeces (n=6; <2-34 µg Hb/g faeces) and natural faeces (n=17; <2-82 μg/g); concentrations for 50 %/100 % Hb-detected were compared with quoted AS. Compatibility with two external quality assessment schemes (EQAS) (n=9; 3-96 μg/g) and prozone compared with manufacturers limits (n=9; 2,500-10,000,000 ng/mL) were tested. Ease-of-use by five healthcare personnel was assessed.</p><p><strong>Results: </strong>Seven products showed lower AS (ng/mL) than manufacturers quoted using Hb-spiked aqueous samples compared with OC-SENSOR, one was equivocal; six manufacturers quoted AS in µg/g, five showed lower AS using Hb-spiked faeces. Results were similar but less consistent for natural faeces. Result lines for low concentrations can be faint and open to interpretation. Results were consistent with manufacturers quoted prozone limits. Results were consistent for seven products for two EQAS. The ease-of-use was 68.5-85.6 %; products with lower scores could be improved with better instructions and sample bottles.</p><p><strong>Conclusions: </strong>AS was lower for seven products (aqueous samples) and five products (aqueous/faecal samples) and prozone consistent with manufacturers expected concentrations, compared with OC-SENSOR. EQAS results were mostly consistent with expected results; products can be used by healthcare professionals, though some manufacturer improvements could be made.</p>","PeriodicalId":10390,"journal":{"name":"Clinical chemistry and laboratory medicine","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2024-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142388599","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}