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Li C, Xu C, Hu G, Peng M. The performance of quantitative D-dimer assays in Chinese clinical laboratories by analyzing data from National External quality Assessment Scheme. Clin Chim Acta 2024; 562:119880. [PMID: 39038590 DOI: 10.1016/j.cca.2024.119880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2024] [Revised: 06/19/2024] [Accepted: 07/17/2024] [Indexed: 07/24/2024]
Abstract
BACKGROUND AND AIMS To investigate performance of D-dimer assays in China and address analytical quality issues. MATERIALS AND METHODS D-dimer assays data were collected from China National External Quality Assessment Scheme (China NEQAS) from 2014 to 2022. We analyzed reagents, assay results, reporting unit and cutoffs in 2022 China NEQAS. Interlaboratory coefficient variations (CVs) and influence of modified/unmodified test systems on CVs were investigated over 9 years. RESULTS There were 82 reagent brands in China NEQAS, but 55 reagent instructions did not indicate expression unit (DDU or FEU). Up to 7-fold of the ratio of max-to-min mean results was shown among different assays with same unit on the same sample. A prevalence of FEU (63.4%) over DDU (17.1%) was observed. Although 669 laboratories (37.9%) among 1766 laboratories used reagents without VTE exclusion claim, they also reported cutoffs. The CVs of only two assays were decreasing over years. CVs of modified test systems were higher than those of unmodified systems before improvement. CONCLUSIONS Expression unit should be required to label in package inserts by regulatory authority. Laboratory professionals should follow instructions for use and prefer unmodified test systems for clinical safely application. Harmonization of reporting units through collaborative efforts is the promising step.
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Affiliation(s)
- Chenbin Li
- National Center for Clinical Laboratories, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital,National Center of Gerontology, P.R. China
| | - Chengshan Xu
- National Center for Clinical Laboratories, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital,National Center of Gerontology, P.R. China
| | - Gaofeng Hu
- National Center for Clinical Laboratories, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital,National Center of Gerontology, P.R. China
| | - Mingting Peng
- National Center for Clinical Laboratories, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital,National Center of Gerontology, P.R. China.
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2
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Meijer P, Sobas F, Tsiamyrtzis P. Assessment of accuracy of laboratory testing results, relative to peer group consensus values in external quality control, by bivariate z-score analysis: the example of D-Dimer. Clin Chem Lab Med 2024; 62:1548-1556. [PMID: 38456711 DOI: 10.1515/cclm-2023-0835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 02/16/2024] [Indexed: 03/09/2024]
Abstract
OBJECTIVES The aim of this study is to develop a practical method for bivariate z-score analysis which can be applied to the survey of an external quality assessment programme. METHODS To develop the bivariate z-score analysis, the results of four surveys of the international D-Dimer external quality assessment programme of 2022 of the ECAT Foundation were used. The proposed methodology starts by identifying the bivariate outliers, using a Supervised Sequential Hotelling T2 control chart. The outlying data are removed, and all the remaining data are used to provide robust estimates of the parameters of the assumed underlying bivariate normal distribution. Based on these estimates two nested homocentric ellipses are drawn, corresponding to confidence levels of 95 and 99.7 %. The bivariate z-score plot described provides the laboratory with an indication of both systematic and random deviations from zero z-score values. The bivariate z-score analysis was examined within survey 2022-D4 across the three most frequently used methods. RESULTS The number of z-score pairs included varied between 830 and 857 and the number of bivariate outliers varied between 20 and 28. The correlation between the z-score pairs varied between 0.431 and 0.647. The correlation between the z-score pairs for the three most frequently used varied between 0.208 and 0.636. CONCLUSIONS The use of the bivariate z-score analysis is of major importance when multiple samples are distributed around in the same survey and dependency of the results is likely. Important lessons can be drawn from the shape of the ellipse with respect to random and systematic deviations, while individual laboratories have been informed about their position in the state-of-the-art distribution and whether they have to deal with systematic and/or random deviations.
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Affiliation(s)
- Piet Meijer
- ECAT Foundation, Voorschoten, The Netherlands
| | - Frederic Sobas
- Haemostasis Department, Hospices Civils de Lyon, Lyon, France
| | - Panagiotis Tsiamyrtzis
- Department of Mechanical Engineering, 18981 Politecnico di Milano , Milan, Italy
- Department of Statistics, Athens University of Economics and Business, Athens, Greece
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3
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Zhao R, Li M, Xiao P, Song D, Li H. Advances in D-dimer testing: progress in harmonization of clinical assays and innovative detection methods. Anal Bioanal Chem 2024; 416:3737-3750. [PMID: 38503987 DOI: 10.1007/s00216-024-05207-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 02/06/2024] [Accepted: 02/08/2024] [Indexed: 03/21/2024]
Abstract
The D-dimer is a sensitive indicator of coagulation and fibrinolysis activation, especially valuable as a biomarker of intravascular thrombosis. Measurement of plasma D-dimer levels plays a crucial role in the diagnosis and monitoring of conditions such as deep vein thrombosis, pulmonary embolism, and disseminated intravascular coagulation. A variety of immunoassays, including enzyme-linked immunosorbent assays, latex-enhanced immunoturbidimetric assays, whole-blood aggregation analysis, and immunochromatography assays, are widely used in clinical settings to determine D-dimer levels. However, the results obtained from different D-dimer assays vary significantly. These assays exhibit intra-method coefficients of variation ranging from 6.4% to 17.7%, and the measurement discrepancies among different assays can be as high as 20-fold. The accuracy and reliability of D-dimer testing cannot be guaranteed due to the lack of an internationally endorsed reference measurement system (including reference materials and reference measurement procedures), which may lead to misdiagnosis and underdiagnosis, limiting its full clinical application. In this review, we present an in-depth analysis of clinical D-dimer testing, summarizing the existing challenges, the current state of metrology, and progress towards harmonization. We also review the latest advancements in D-dimer detection techniques, which include mass spectrometry and electrochemical and optical immunoassays. By comparing the basic principles, the definition of the measurand, and analytical performance of these methods, we provide an outlook on the potential improvements in D-dimer clinical testing.
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Affiliation(s)
- Rong Zhao
- National Institute of Metrology, Beijing, 100029, China
- Key Laboratory of Chemical Metrology and Applications on Nutrition and Health for State Market Regulation, Beijing, 100029, China
| | - Mengran Li
- Beijing University of Chemical Technology, Beijing, 100029, China
| | - Peng Xiao
- National Institute of Metrology, Beijing, 100029, China
- Key Laboratory of Chemical Metrology and Applications on Nutrition and Health for State Market Regulation, Beijing, 100029, China
| | - Dewei Song
- National Institute of Metrology, Beijing, 100029, China
| | - Hongmei Li
- National Institute of Metrology, Beijing, 100029, China.
- Key Laboratory of Chemical Metrology and Applications on Nutrition and Health for State Market Regulation, Beijing, 100029, China.
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Khider L, Planquette B, Smadja DM, Sanchez O, Rial C, Goudot G, Messas E, Mirault T, Gendron N. Acute phase determinant of post-thrombotic syndrome: A review of the literature. Thromb Res 2024; 238:11-18. [PMID: 38643521 DOI: 10.1016/j.thromres.2024.04.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 04/05/2024] [Accepted: 04/07/2024] [Indexed: 04/23/2024]
Abstract
BACKGROUND Post-thrombotic syndrome (PTS) is the main long-term complication of deep vein thrombosis (DVT). Several therapies are being evaluated to prevent or to treat PTS. Identifying the patients most likely to benefit from these therapies presents a significant challenge. OBJECTIVES The objective of this review was to identify risk factors for PTS during the acute phase of DVT. ELIGIBILITY CRITERIA We searched the PubMed and Cochrane databases for studies published between January 2000 and January 2021, including randomized clinical trials, meta-analyses, systematic reviews and observational studies. RESULTS Risk factors for PTS such as proximal location of DVT, obesity, chronic venous disease, history of DVT are associated with higher risk of PTS. On the initial ultrasound-Doppler, a high thrombotic burden appears to be a predictor of PTS. Among the evaluated biomarkers, some inflammatory markers such as ICAM-1, MMP-1 and MMP-8 appear to be associated with a higher risk of developing PTS. Coagulation disorders are not associated with risk of developing PTS. Role of endothelial biomarkers in predicting PTS has been poorly explored. Lastly, vitamin K antagonist was associated with a higher risk of developing PTS when compared to direct oral anticoagulants and low molecular weight heparin. CONCLUSIONS Several risk factors during the acute phase of VTE are associated with an increased risk of developing PTS. There is a high-unmet medical need to identify potential biomarkers for early detection of patients at risk of developing PTS after VTE. Inflammatory and endothelial biomarkers should be explored in larger prospective studies to identify populations that could benefit from new therapies.
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Affiliation(s)
- Lina Khider
- Université Paris Cité, Innovative Therapies in Haemostasis, INSERM, Vascular Medicine Department, Assistance Publique Hôpitaux de Paris, 75015 Paris, France.
| | - Benjamin Planquette
- Université Paris Cité, Innovative Therapies in Haemostasis, INSERM, 75006 Paris, France; F-CRIN INNOVTE, Saint-Étienne, France; Respiratory Medicine Department, Assistance Publique - Hôpitaux de Paris, 75015 Paris, France
| | - David M Smadja
- Université Paris Cité, Innovative Therapies in Haemostasis, INSERM, 75006 Paris, France; F-CRIN INNOVTE, Saint-Étienne, France; Hematology Department, Assistance Publique Hôpitaux de Paris, 75015 Paris, France
| | - Olivier Sanchez
- Université Paris Cité, Innovative Therapies in Haemostasis, INSERM, 75006 Paris, France; F-CRIN INNOVTE, Saint-Étienne, France; Respiratory Medicine Department, Assistance Publique - Hôpitaux de Paris, 75015 Paris, France
| | - Carla Rial
- Université Paris Cité, Innovative Therapies in Haemostasis, INSERM, Vascular Medicine Department, Assistance Publique Hôpitaux de Paris, 75015 Paris, France
| | - Guillaume Goudot
- Université Paris Cité, PARCC, INSERM U970, Vascular Medicine Department, Assistance Publique Hôpitaux de Paris, 75015 Paris, France
| | - Emmanuel Messas
- Université Paris Cité, PARCC, INSERM U970, Vascular Medicine Department, Assistance Publique Hôpitaux de Paris, 75015 Paris, France
| | - Tristan Mirault
- Université Paris Cité, PARCC, INSERM U970, Vascular Medicine Department, Assistance Publique Hôpitaux de Paris, 75015 Paris, France
| | - Nicolas Gendron
- Université Paris Cité, Innovative Therapies in Haemostasis, INSERM, 75006 Paris, France; F-CRIN INNOVTE, Saint-Étienne, France; Hematology Department, Assistance Publique Hôpitaux de Paris, 75015 Paris, France
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5
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Wang K, Zang X, Zhang W, Cao X, Zhao H, Li C, Liang C, Wu J. Unified calibration of D-dimer can improve the uniformity of different detection systems. Pract Lab Med 2024; 40:e00413. [PMID: 38974938 PMCID: PMC11225007 DOI: 10.1016/j.plabm.2024.e00413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 05/21/2024] [Accepted: 05/28/2024] [Indexed: 07/09/2024] Open
Abstract
Background D-dimer at a low level is important evidence for excluding the onset and progression of thrombosis. It is readily detectable and yields rapid results, although significant variability exists among different detection systems. Our study aims to enhance the consistency across various detection systems. Methods Twelve detection systems were included in our study. We sought to address this inconsistency by using various calibrators (two supplied by manufacturers and two comprising pooled human plasma diluted with different diluents) to standardize D-dimer measurements. We categorized the data into three groups according to D-dimer concentration levels: low (≤0.5 mg/L), medium (>0.5 mg/L - <3 mg/L), and high (≥3 mg/L). We then analyzed the data focusing on range, consistency, comparability, negative coincidence rate, and false negative rate. Results Calibrating with pooled human plasma led to narrower result ranges in the low and medium groups (P < 0.05). In the low group, consistency improved from weak to strong (ICC 0.4-0.7, P﹤0.05), while it remained excellent in the other groups and overall (ICC﹥0.75, P﹤0.05). The percentage of pairwise comparability increased in both the low and high groups. Additionally, there was an increase in the negative coincidence rate. Conclusion These findings demonstrate that uniform calibration of D-dimer can significantly enhance the consistency of results across different detection systems.
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Affiliation(s)
- Kun Wang
- Department of Clinical Laboratory, Beijing Jishuitan Hospital, Capital Medical University, Beijing, 100035, China
- Department of Clinical Laboratory, First Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, 550001, China
| | - Xinwei Zang
- Department of Clinical Laboratory, Beijing Jishuitan Hospital, Capital Medical University, Beijing, 100035, China
- Cell Therapy Center, Beijing Institute of Geriatrics, Xuanwu Hospital Capital Medical University, Beijing, 100035, China
| | - Wenjie Zhang
- Department of Clinical Laboratory, Beijing Jishuitan Hospital, Capital Medical University, Beijing, 100035, China
| | - Xiangyu Cao
- Department of Clinical Laboratory, Beijing Jishuitan Hospital, Capital Medical University, Beijing, 100035, China
| | - Huiru Zhao
- Department of Clinical Laboratory, Beijing Jishuitan Hospital, Capital Medical University, Beijing, 100035, China
| | - Chunyan Li
- Department of Clinical Laboratory, Beijing Jishuitan Hospital, Capital Medical University, Beijing, 100035, China
| | - Cuiying Liang
- Department of Clinical Laboratory, Peking University Fourth School of Clinical Medicine, Beijing, 100035, China
| | - Jun Wu
- Department of Clinical Laboratory, Beijing Jishuitan Hospital, Capital Medical University, Beijing, 100035, China
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Selby R, Meijer P, Favaloro EJ. D-dimer diagnostics: can I use any D-dimer assay? Bridging the knowledge-to-action gap. Res Pract Thromb Haemost 2024; 8:102335. [PMID: 38433976 PMCID: PMC10905040 DOI: 10.1016/j.rpth.2024.102335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 01/09/2024] [Accepted: 01/22/2024] [Indexed: 03/05/2024] Open
Abstract
A State of the Art lecture titled "D-dimer Diagnostics: Can I use any D-dimer assay? Bridging the Knowledge-to-Action gap" was presented at the International Society on Thrombosis and Haemostasis Congress in 2023, included in the session on the clinical impact of variability in commonly used coagulation assays. Here, we review the role of D-dimer, primarily in the outpatient diagnosis of patients with venous thromboembolism (VTE) when combined with clinical decision rules. We focus on the recent large management trials that have studied adjustments of VTE exclusion thresholds for D-dimer based on either prior clinical probability of VTE or patient age, and the resultant benefit of reduced imaging for VTE and improved diagnostic efficiency. In this context, we report on the significant variability between D-dimer results and the multiple D-dimer assays in use worldwide using data from international external quality assurance programs. This variability is particularly high at typical VTE exclusion thresholds. We discuss the potential clinical impact of D-dimer assay substitution on accuracy of diagnosis and risk stratification of patients with VTE. Finally, we summarize relevant new data on this topic presented during the 2023 International Society on Thrombosis and Haemostasis Congress and outline future priorities urgently needed to harmonize D-dimer results and reporting that will require international collaboration among multiple stakeholders with an overall goal to close this knowledge-to-action gap.
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Affiliation(s)
- Rita Selby
- Department of Laboratory Medicine & Pathobiology, University of Toronto, Toronto, Ontario, Canada
- Department of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Piet Meijer
- ECAT Foundation, Voorschoten, the Netherlands
| | - Emmanuel J Favaloro
- Department of Haematology, Institute of Clinical Pathology and Medical Research, Sydney Centers for Thrombosis and Haemostasis, New South Wales Health Pathology, Westmead Hospital, Westmead, New South Wales, Australia
- School of Dentistry and Medical Sciences, Faculty of Science and Health, Charles Sturt University, Wagga Wagga, New South Wales, Australia
- School of Medical Sciences, Faculty of Medicine and Health, University of Sydney, Westmead Hospital, Westmead, New South Wales, Australia
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Heerink JS, Oudega R, Gemen E, Hopstaken R, Koffijberg H, Kusters R. Are the latest point-of-care D-dimer devices ready for use in general practice? A prospective clinical evaluation of five test systems with a capillary blood feature for suspected venous thromboembolism. Thromb Res 2023; 232:113-122. [PMID: 37976731 DOI: 10.1016/j.thromres.2023.10.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 10/02/2023] [Accepted: 10/23/2023] [Indexed: 11/19/2023]
Abstract
INTRODUCTION We evaluated clinical performance of five novel point-of-care (POC) D-dimer devices with a capillary finger stick feature for predicting venous thromboembolism (VTE) in general practice: Exdia TRF Plus (E), AFIAS-1® (A), Standard F200® (S), LumiraDx™ (L) and Hipro AFS/1® (H). MATERIALS AND METHODS Primary care patients with a low suspicion of a VTE were asked to consent to (i) draw additional venous blood samples, (ii) perform a capillary POC D-dimer test, (iii) approach their general practitioner afterwards for clinical outcomes. Venous plasma samples were processed on all POC devices and a laboratory-based assay (STA-Liatest®D-Di PLUS assay). Results were compared with clinical outcomes to generate performance characteristics. Capillary and venous blood results were used for a matrix comparison. RESULTS Venous plasma samples from 511 participants, of whom 57 had VTE, were used for clinical performance analyses. Areas under Receiving Operating Characteristic Curves ranged from 0.90 (95 % CI: 0.86-0.94) (H) to 0.93 (0.90-0.96) (E). All false-negative rates were below 1.4 % (95 % CI: 0.5 %-3.4 %). Matrix comparison demonstrated correlation coefficients ranging from r = 0.11 (95 % CI: -0.15-0.36) (H) to r = 0.94 (0.90-0.97) (A) with concordance percentages ranging from 71.4 % (applying a D-dimer cutoff of 500 ng/mL) (H) to 100 % (applying an age-dependent D-dimer cutoff) (A). CONCLUSIONS Clinical performance of the POC D-dimer devices for predicting a VTE in low-risk patients was comparable to that of a laboratory-based assay. However, our results indicate that the finger stick feature of certain devices should be further improved. (NL71809.028.19.).
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Affiliation(s)
- J S Heerink
- Department of Clinical Chemistry and Haematology, Jeroen Bosch Hospital, 's-Hertogenbosch, the Netherlands; Department of Health Technology and Services Research, Technical Medical Centre, University of Twente, Enschede, the Netherlands; Department of General Laboratory Medicine, IJsselland Hospital, Capelle aan den IJssel, the Netherlands.
| | - R Oudega
- Department of Clinical Chemistry and Haematology, Jeroen Bosch Hospital, 's-Hertogenbosch, the Netherlands
| | - E Gemen
- Department of Clinical Chemistry and Haematology, Jeroen Bosch Hospital, 's-Hertogenbosch, the Netherlands
| | - R Hopstaken
- Department of General Practice, CAPHRI School for Public Health and Primary Care, Maastricht University Medical Centre, Maastricht, the Netherlands; Primary Health Centre Hapert en Hoogeloon, Hapert, the Netherlands
| | - H Koffijberg
- Department of Health Technology and Services Research, Technical Medical Centre, University of Twente, Enschede, the Netherlands
| | - R Kusters
- Department of Clinical Chemistry and Haematology, Jeroen Bosch Hospital, 's-Hertogenbosch, the Netherlands; Department of Health Technology and Services Research, Technical Medical Centre, University of Twente, Enschede, the Netherlands
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8
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Verzeroli C, Giaccherini C, Russo L, Bolognini S, Gamba S, Tartari CJ, Schieppati F, Ticozzi C, Vignoli A, Masci G, Sarmiento R, Spinelli D, Malighetti P, Tondini C, Petrelli F, Giuliani F, D'Alessio A, Gasparini G, Minelli M, De Braud F, Santoro A, Labianca R, Marchetti M, Falanga A. Utility of the Khorana and the new-Vienna CATS prediction scores in cancer patients of the HYPERCAN cohort. J Thromb Haemost 2023; 21:1869-1881. [PMID: 37054917 DOI: 10.1016/j.jtha.2023.03.037] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 02/24/2023] [Accepted: 03/16/2023] [Indexed: 04/15/2023]
Abstract
BACKGROUND Risk assessment models (RAMs) are relevant approaches to identify cancer outpatients at high risk of venous thromboembolism (VTE). Among the proposed RAMs, the Khorana (KRS) and the new-Vienna CATS risk scores have been externally validated in ambulatory patients with cancer. OBJECTIVES To test KRS and new-Vienna CATS scores in 6-month VTE prediction and mortality in a large prospective cohort of metastatic cancer outpatients during chemotherapy. PATIENTS/METHODS Newly diagnosed patients with metastatic non-small cell lung, colorectal, gastric, or breast cancers were analyzed (n = 1286). The cumulative incidence of objectively confirmed VTE was estimated with death as a competing risk and multivariate Fine and Gray regression. RESULTS Within 6 months, 120 VTE events (9.7%) occurred. The KRS and the new-Vienna CATS scores showed comparable c-stat. Stratification by KRS provided VTE cumulative incidences of 6.2%, 11.4%, and 11.5% in the low-, intermediate-, and high-risk categories, respectively (p = ns), and of 8.5% vs. 11.8% (p = ns) in the low- vs. high-risk group by the single 2-point cut-off value stratification. Using a pre-defined 60-point cut-off by the new-Vienna CATS score, 6.6% and 12.2% cumulative incidences were obtained in the low- and high-risk groups, respectively (p < 0.001). Furthermore, having a KRS ≥2 = or a new-Vienna CATS score >60 points was also an independent risk factor for mortality. CONCLUSION In our cohort, the 2 RAMs showed a comparable discriminating potential; however, after the application of cut-off values, the new-Vienna CATS score provided statistically significant stratification for VTE. Both RAMs proved to be effective in identifying patients at increased risk of mortality.
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Affiliation(s)
- Cristina Verzeroli
- Immunohematology and Transfusion Medicine, Aziende Socio Sanitarie Territoriali Hospital Papa Giovanni XXIII, Bergamo, Italy
| | - Cinzia Giaccherini
- Immunohematology and Transfusion Medicine, Aziende Socio Sanitarie Territoriali Hospital Papa Giovanni XXIII, Bergamo, Italy
| | - Laura Russo
- Immunohematology and Transfusion Medicine, Aziende Socio Sanitarie Territoriali Hospital Papa Giovanni XXIII, Bergamo, Italy
| | - Silvia Bolognini
- Immunohematology and Transfusion Medicine, Aziende Socio Sanitarie Territoriali Hospital Papa Giovanni XXIII, Bergamo, Italy
| | - Sara Gamba
- Immunohematology and Transfusion Medicine, Aziende Socio Sanitarie Territoriali Hospital Papa Giovanni XXIII, Bergamo, Italy
| | - Carmen J Tartari
- Immunohematology and Transfusion Medicine, Aziende Socio Sanitarie Territoriali Hospital Papa Giovanni XXIII, Bergamo, Italy
| | - Francesca Schieppati
- Immunohematology and Transfusion Medicine, Aziende Socio Sanitarie Territoriali Hospital Papa Giovanni XXIII, Bergamo, Italy
| | - Chiara Ticozzi
- Immunohematology and Transfusion Medicine, Aziende Socio Sanitarie Territoriali Hospital Papa Giovanni XXIII, Bergamo, Italy
| | - Alfonso Vignoli
- Immunohematology and Transfusion Medicine, Aziende Socio Sanitarie Territoriali Hospital Papa Giovanni XXIII, Bergamo, Italy
| | - Giovanna Masci
- Oncology Unit, Istituti di Ricovero e Cura a Carattere Scientifico Humanitas Institute, Rozzano, Italy
| | | | - Daniele Spinelli
- Department of Statistics, University of Milan Bicocca, Milan, Italy
| | - Paolo Malighetti
- Department of Management Engineering, University of Bergamo, Italy
| | - Carlo Tondini
- Oncology Unit, Aziende Socio Sanitarie Territoriali Hospital Papa Giovanni XXIII, Bergamo, Italy
| | - Fausto Petrelli
- Oncology Unit, Hospital Treviglio-Caravaggio, Treviglio, Italy
| | - Francesco Giuliani
- Oncology Unit, Istituti di Ricovero e Cura a Carattere Scientifico Cancer Institute Giovanni Paolo II, Bari, Italy
| | - Andrea D'Alessio
- Medical Oncology and Internal Medicine, Policlinico San Marco, Gruppo San Donato Zingonia-Bergamo, Italy
| | | | - Mauro Minelli
- Oncology Unit, Hospital San Giovanni Addolorata, Rome, Italy
| | - Filippo De Braud
- Oncology Unit, Istituti di Ricovero e Cura a Carattere Scientifico National Cancer Institute, Milan, Italy
| | - Armando Santoro
- Oncology Unit, Istituti di Ricovero e Cura a Carattere Scientifico Humanitas Institute, Rozzano, Italy
| | | | - Marina Marchetti
- Immunohematology and Transfusion Medicine, Aziende Socio Sanitarie Territoriali Hospital Papa Giovanni XXIII, Bergamo, Italy; University of Milan Bicocca, School of Medicine, Milan, Italy
| | - Anna Falanga
- Immunohematology and Transfusion Medicine, Aziende Socio Sanitarie Territoriali Hospital Papa Giovanni XXIII, Bergamo, Italy; University of Milan Bicocca, School of Medicine, Milan, Italy.
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Zheng Z, Mukhametova L, Boffa MB, Moore EE, Wolberg AS, Urano T, Kim PY. Assays to quantify fibrinolysis: strengths and limitations. Communication from the International Society on Thrombosis and Haemostasis Scientific and Standardization Committee on fibrinolysis. J Thromb Haemost 2023; 21:1043-1054. [PMID: 36759279 PMCID: PMC10109242 DOI: 10.1016/j.jtha.2023.01.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 01/04/2023] [Accepted: 01/06/2023] [Indexed: 01/15/2023]
Abstract
Fibrinolysis is a series of enzymatic reactions that degrade insoluble fibrin. Plasminogen activators convert the zymogen plasminogen to the active serine protease plasmin, which cleaves and solubilizes crosslinked fibrin clots into fibrin degradation products. The quantity and quality of fibrinolytic enzymes, their respective inhibitors, and clot structure determine overall fibrinolysis. The quantity of protein can be measured by antigen-based assays, and both quantity and quality can be assessed using functional assays. Furthermore, variations of commonly used assays have been reported, which are tailored to address the role(s) of specific fibrinolytic factors and cellular elements (eg, platelets, neutrophils, and red blood cells). Although the concentration and/or activity of a protein can be quantified, how these individual components contribute to the overall fibrinolysis outcome can be challenging to determine. This difficulty is due to temporal changes within and around the thrombi during the clot breakdown, particularly the fibrin matrix structure, and composition. Furthermore, terms such as "fibrinolytic activity/potential," "plasminogen activation," and "plasmin activity" are often used interchangeably despite having different definitions. The purpose of this review is to 1) summarize the assays measuring fibrinolysis activity and potential, 2) facilitate the interpretation of data generated by these assays, and 3) summarize the strengths and limitations of these assays.
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Affiliation(s)
- Ze Zheng
- Department of Medicine, Medical College of Wisconsin, Milwaukee, Wisconsin, USA; Blood Research Institute, Versiti Blood Center of Wisconsin, Milwaukee, Wisconsin, USA
| | - Liliya Mukhametova
- Chemical Enzymology Department, Chemistry Faculty, Lomonosov Moscow State University, Moscow, Russia
| | - Michael B Boffa
- Department of Biochemistry and Robarts Research Institute, Schulich School of Medicine & Dentistry, The University of Western Ontario, London, Ontario, Canada
| | - Ernest E Moore
- Department of Surgery, Ernest E. Moore Shock Trauma Center at Denver Health, University of Colorado, Denver, Colorado, USA
| | - Alisa S Wolberg
- Department of Pathology and Laboratory Medicine and UNC Blood Research Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Tetsumei Urano
- Department of Medical Physiology, Hamamatsu University School of Medicine and Shizuoka Graduate University of Public Health, Hamamatsu, Japan
| | - Paul Y Kim
- Department of Medicine, McMaster University, Hamilton, Ontario, Canada; Thrombosis and Atherosclerosis Research Institute, Hamilton, Ontario, Canada.
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Smadja DM, Gendron N, Philippe A, Diehl JL, Ochat N, Bory O, Beauvais A, Mareau A, Jannot AS, Chocron R. Fibrin monomers evaluation during hospitalization for COVID-19 is a predictive marker of in-hospital mortality. Front Cardiovasc Med 2023; 10:1001530. [PMID: 37063947 PMCID: PMC10098364 DOI: 10.3389/fcvm.2023.1001530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Accepted: 02/28/2023] [Indexed: 04/01/2023] Open
Abstract
BackgroundCoagulopathy is one of the main triggers of severity and worsening of Coronavirus disease 2019 (COVID-19) particularly in critically ill patients. D-dimer has been widely used to detect COVID-19 coagulation disorders and has been correlated with outcomes such as disease severity and in-hospital mortality. Involvement of other fibrin degradation products, particularly fibrin monomers (FM), remains an ongoing question.MethodsWe performed a monocentric study of adult patients with COVID-19, who were admitted either in the medical ward (MW) or in the intensive care unit (ICU) and who had FM measurements performed on them during the first wave of COVID-19 outbreak. We analyzed the positivity of FM levels (FM > 7 µg/mL) to assess the ability of FM monitoring during the first days of hospitalization to predict COVID-19 outcomes.ResultsIn our cohort, 935 FM measurements were performed in 246 patients during their first 9 days of hospitalization. During patient follow-up, the FM levels were higher in patients admitted directly to the ICU than in those admitted to the MW. Moreover, we observed significantly increased levels of FM in patients when the data were stratified for in-hospital mortality. At hospital admission, only 27 (11%) patients displayed a positive value for FM; this subgroup did not differ from other patients in terms of severity (indicated by ICU referral at admission) or in-hospital mortality. When analyzing FM positivity in the first 9 days of hospitalization, we found that 37% of patients had positive FM at least once during hospitalization and these patients had increased in-hospital mortality (p = 0.001). Thus, we used non-adjusted Kaplan–Meier curves for in-hospital mortality according to FM positivity during hospitalization and we observed a statistically significant difference for in-hospital mortality (hazard ratio = 1.48, 95% CI: 1.25–1.76, p < 0.001). However, we compared the AUC of FM positivity associated with a ratio of D-dimer >70% and found that this combined receiver operating characteristic (ROC) curve was superior to the FM positivity ROC curve alone.ConclusionMonitoring of FM positivity in hospitalized patients with COVID-19 could be a reliable and helpful tool to predict the worsening condition and mortality of COVID-19.
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Affiliation(s)
- David M. Smadja
- Innovative Therapies in Hemostasis, INSERM, University Paris Cité, Paris, France
- Hematology Department, AP-HP.CUP, Georges Pompidou European Hospital, Paris, France
- Correspondence: David M. Smadja
| | - Nicolas Gendron
- Innovative Therapies in Hemostasis, INSERM, University Paris Cité, Paris, France
- Hematology Department, AP-HP.CUP, Georges Pompidou European Hospital, Paris, France
| | - Aurélien Philippe
- Innovative Therapies in Hemostasis, INSERM, University Paris Cité, Paris, France
- Hematology Department, AP-HP.CUP, Georges Pompidou European Hospital, Paris, France
| | - Jean-Luc Diehl
- Innovative Therapies in Hemostasis, INSERM, University Paris Cité, Paris, France
- Intensive Care Unit, AP-HP.CUP, Georges Pompidou European Hospital, Paris, France
| | - Nadège Ochat
- Hematology Department, AP-HP.CUP, Georges Pompidou European Hospital, Paris, France
| | - Olivier Bory
- Emergency Department, AP-HP.CUP, Georges Pompidou European Hospital, Paris, France
| | - Agathe Beauvais
- Emergency Department, AP-HP.CUP, Georges Pompidou European Hospital, Paris, France
| | - Alexis Mareau
- Centre de Recherche des Cordeliers, AP-HP.CUP, Georges Pompidou European Hospital, Medical Informatics, Biostatistics and Public Health Department, European Georges Pompidou Hospital, AP-HP.CUP, University Paris Cité, Paris, France
| | - Anne-Sophie Jannot
- Centre de Recherche des Cordeliers, AP-HP.CUP, Georges Pompidou European Hospital, Medical Informatics, Biostatistics and Public Health Department, European Georges Pompidou Hospital, AP-HP.CUP, University Paris Cité, Paris, France
| | - Richard Chocron
- Emergency Department, AP-HP.CUP, Georges Pompidou European Hospital, Paris, France
- PARCC, INSERM, University Paris Cité, Paris, France
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11
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Wauthier L, Favresse J, Hardy M, Douxfils J, Le Gal G, Roy P, van Es N, Ay C, ten Cate H, Lecompte T, Lippi G, Mullier F. D-dimer testing: A narrative review. Adv Clin Chem 2023. [DOI: 10.1016/bs.acc.2023.02.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
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12
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D-dimer Testing in Pulmonary Embolism with a Focus on Potential Pitfalls: A Narrative Review. Diagnostics (Basel) 2022; 12:diagnostics12112770. [PMID: 36428830 PMCID: PMC9689068 DOI: 10.3390/diagnostics12112770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 11/08/2022] [Accepted: 11/09/2022] [Indexed: 11/15/2022] Open
Abstract
D-dimer is a multifaceted biomarker of concomitant activation of coagulation and fibrinolysis, which is routinely used for ruling out pulmonary embolism (PE) and/or deep vein thrombosis (DVT) combined with a clinical pretest probability assessment. The intended use of the tests depends largely on the assay used, and local guidance should be applied. D-dimer testing may suffer from diagnostic errors occurring throughout the pre-analytical, analytical, and post-analytical phases of the testing process. This review aims to provide an overview of D-dimer testing and its value in diagnosing PE and discusses the variables that may impact the quality of its laboratory assessment.
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Zhang L, Zhang Z. Standardization of D-dimer reporting in the COVID-19 era. Res Pract Thromb Haemost 2022; 6:e12772. [PMID: 36186103 PMCID: PMC9487443 DOI: 10.1002/rth2.12772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 06/10/2022] [Accepted: 06/27/2022] [Indexed: 11/17/2022] Open
Affiliation(s)
- Litao Zhang
- Clinical Laboratory Wuhan Asia General Hospital Affiliated to Wuhan University of Science and Technology Wuhan China.,Laboratory Medicine Wuhan Asia Heart Hospital Wuhan China
| | - Zhenlu Zhang
- Clinical Laboratory Wuhan Asia General Hospital Affiliated to Wuhan University of Science and Technology Wuhan China.,Laboratory Medicine Wuhan Asia Heart Hospital Wuhan China
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14
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Talon L, Fourneyron V, Trapani A, Pereira B, Sinegre T, Lebreton A. Analytical performance of a new immunoturbidimetric D‐dimer assay and comparison with available assays. Res Pract Thromb Haemost 2022; 6:e12660. [PMID: 35146238 PMCID: PMC8818496 DOI: 10.1002/rth2.12660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 12/03/2021] [Accepted: 12/27/2021] [Indexed: 11/10/2022] Open
Abstract
Background The routine D‐dimer quantification to exclude venous thromboembolism has led to the development of many assays, the usefulness of which depends on their reliability and performance. Objective We evaluated the analytical performances of the immunoturbidimetric Yumizen G DDi 2 assay (HORIBA Medical, Montpellier, France) performed on the Yumizen G800 analyzer and compared it with other available D‐dimer assays. Methods Within‐run and between‐run imprecision were evaluated using low‐ and high‐level quality‐control plasma samples. Interference due to hemolysis, icterus, lipemia, rheumatoid factor (RF), or heterophilic antibodies (human antimouse antibodies [HAMAs]) was evaluated by spiking plasma samples with hemolysate, bilirubin, Intralipid, RF, or HAMAs. The measurements obtained with the different D‐dimer assays were compared using Passing‐Bablok regression analysis and Bland‐Altman plot method, using fresh citrated plasma samples collected from 66 consecutive routine patients with a wide range of D‐dimer concentrations. Results Within‐ and between‐run variation coefficients for the Yumizen G DDi 2 assay ranged from 1.7% to 5.8% and from 2.8% to 5.5%, respectively. Hemolysis and icterus did not have any effect up to 10 g/L hemoglobin and 300 mg/L bilirubin. Lipemia seemed to generate an underestimation of D‐dimer concentration when the Intralipid concentration was >5 g/L. RF and HAMAs did not have any effect. The Passing‐Bablok and Bland‐Altman analyses showed small differences with other available D‐dimer assays, which were more pronounced with increasing values. Conclusions Its analytical performances and main technical features indicate that the new Yumizen G DDi 2 assay is suitable for the rapid quantification of D‐dimer in clinical hemostasis laboratories.
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Affiliation(s)
- Laurie Talon
- Service d’Hématologie Biologique CHU Clermont‐Ferrand Clermont‐Ferrand France
| | - Virginie Fourneyron
- Service d’Hématologie Biologique CHU Clermont‐Ferrand Clermont‐Ferrand France
| | - Alexandre Trapani
- Service d’Hématologie Biologique CHU Clermont‐Ferrand Clermont‐Ferrand France
| | - Bruno Pereira
- Biostatistics Unit Direction de la Recherche Clinique CHU Clermont‐Ferrand Clermont‐Ferrand France
| | - Thomas Sinegre
- Service d’Hématologie Biologique CHU Clermont‐Ferrand Clermont‐Ferrand France
| | - Aurélien Lebreton
- Service d’Hématologie Biologique CHU Clermont‐Ferrand Clermont‐Ferrand France
- Unité de Nutrition Humaine UMR 1019 INRAE‐Université d’Auvergne Clermont‐Ferrand France
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