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Dubut J, Goin V, Derray C, Huguenin Y, Fiore M. Targeting tissue factor pathway inhibitor with concizumab to improve hemostasis in patients with Glanzmann thrombasthenia: an in vitro study. J Thromb Haemost 2024; 22:2589-2600. [PMID: 38880178 DOI: 10.1016/j.jtha.2024.05.033] [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: 12/20/2023] [Revised: 04/27/2024] [Accepted: 05/30/2024] [Indexed: 06/18/2024]
Abstract
BACKGROUND Glanzmann thrombasthenia (GT) is caused by an inherited defect of platelet αIIbβ3 integrin. Concizumab, a monoclonal antibody specific for tissue factor pathway inhibitor, abolishes its anticoagulant effect. OBJECTIVES To evaluate the in vitro ability of concizumab to improve hemostasis in GT. METHODS The effects of concizumab were evaluated in whole blood or platelet-rich plasma from GT patients (n = 5-9) using a thrombin generation assay, rotational thromboelastometry (ROTEM), a global fibrinolytic capacity assay, and a flow chamber assay (Total Thrombus formation Analysis System). Washed platelets (WPs) and 20 nM recombinant activated factor VII (rFVIIa) were included for comparison. RESULTS The lag time in the thrombin generation assay was significantly longer (+85%; P < .0001) in GT patients than in controls. WPs, rFVIIa, and concizumab each significantly improved thrombin generation profiles. The ROTEM clotting time (CT) was significantly longer in GT patients than in controls (677 seconds vs 523 seconds; P = .03). However, CT improved after adding WPs, rFVIIa, or concizumab. Under flow, occlusive thrombi were present in all healthy controls after 10 minutes, whereas platelet-fibrin depositions were not seen in GT patients. Subocclusive or occlusive thrombi formed when GT blood was mixed with WPs, rFVIIa, or concizumab. Clots in GT platelet-rich plasma were more susceptible to fibrinolysis and were improved by WPs, rFVIIa, or concizumab. CONCLUSION Concizumab enhanced thrombin generation, decreased the ROTEM CT, improved thrombus formation under flow, and reduced clot lysis. Our results demonstrate the potential of concizumab for subcutaneous prophylaxis in GT patients.
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Affiliation(s)
- Jade Dubut
- Department of Haematology, University Hospital of Bordeaux, Pessac, France; Institut National de la Santé et de la Recherche Médicale U1034, Biology of Cardiovascular Disease, Pessac, France
| | - Valérie Goin
- French Reference Centre for Inherited Platelet Disorders, University Hospital of Bordeaux, Pessac, France
| | - Cloé Derray
- Department of Haematology, University Hospital of Bordeaux, Pessac, France
| | - Yoann Huguenin
- Competence Centre for Inherited Bleeding Disorders, University Hospital of Bordeaux, Bordeaux, France
| | - Mathieu Fiore
- Department of Haematology, University Hospital of Bordeaux, Pessac, France; Institut National de la Santé et de la Recherche Médicale U1034, Biology of Cardiovascular Disease, Pessac, France; French Reference Centre for Inherited Platelet Disorders, University Hospital of Bordeaux, Pessac, France.
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Bavinck AP, Heerde WV, Schols SEM. Point-of-Care Testing in Patients with Hereditary Disorders of Primary Hemostasis: A Narrative Review. Semin Thromb Hemost 2024. [PMID: 38950596 DOI: 10.1055/s-0044-1787976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/03/2024]
Abstract
Inherited disorders of primary hemostasis, such as von Willebrand disease and congenital platelet disorders, can cause extensive, typically mucocutaneous bleeding. Assays to diagnose and monitor these disorders, such as von Willebrand factor activity assays and light transmission aggregometry, are performed in specialized hemostasis laboratories but are commonly not available in local hospitals. Due to the complexity and relative scarcity of these conventional assays, point-of-care tests (POCT) might be an attractive alternative in patients with hereditary bleeding disorders. POCTs, such as thromboelastography, are increasingly used to assess hemostasis in patients with acquired hemostatic defects, aiding clinical decision-making in critical situations, such as during surgery or childbirth. In comparison, the use of these assays in patients with hereditary hemostasis defects remains relatively unexplored. This review aims to give an overview of point-of-care hemostasis tests in patients with hereditary disorders of primary hemostasis. A summary of the literature reporting on the performance of currently available and experimental POCTs in these disorders is given, and the potential utility of the assays in various use scenarios is discussed. Altogether, the studies included in this review reveal that several POCTs are capable of identifying and monitoring severe defects in the primary hemostasis, while a POCT that can reliably detect milder defects of primary hemostasis is currently lacking. A better understanding of the strengths and limitations of POCTs in assessing hereditary defects of primary hemostasis is needed, after which these tests may become available for clinical practice, potentially targeting a large group of patients with milder defects of primary hemostasis.
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Affiliation(s)
- Aernoud P Bavinck
- Department of Hematology, Radboud University Medical Centre, Nijmegen, The Netherlands
| | - Waander van Heerde
- Department of Hematology, Radboud University Medical Centre, Hemophilia Treatment Centre Nijmegen-Eindhoven-Maastricht, Nijmegen, The Netherlands
| | - Saskia E M Schols
- Department of Hematology, Radboud University Medical Centre, Hemophilia Treatment Centre Nijmegen-Eindhoven-Maastricht, Nijmegen, The Netherlands
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Ajeena EH, Saleem AA. Epidemiological study of hereditary hemorrhagic disorders in Najaf province, Iraq. Blood Coagul Fibrinolysis 2023; 34:538-544. [PMID: 37942746 DOI: 10.1097/mbc.0000000000001263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2023]
Abstract
Hemophilia and Von Willbrand disease (VWD) are the most well known types of hereditary hemorrhagic disorders (HHD). Hemophilia affects about 200 000 people worldwide, while VWD affects about 80 000. Because there is a scarcity of epidemiologic studies on hemophilia in Iraq, this study was carried out to evaluate the prevalence and incidence trends, as well as to identify some clinical and epidemiological features of hemophilia patients in Najaf province, Iraq. This study was carried out in the Najaf's hemophilia center. The data were obtained by reviewing all patients' documents, as well as the center registration book from 2011 to 2021. In addition, the Ministry of Health provided relevant population data for Najaf. Notably, there are currently 214 patients registered in Najaf province. The results revealed that the severe form of hemophilia A was the permanent type of HHDs in the patients compared with the rest of the types that include HHD with no significant difference Pat least 0.05. The frequency of this group of disorders appeared to increase in the period between 2011 and 2013, especially in 2012 followed by a decline in the incidence until 2021, which recorded a sudden increase in these disorders. These findings highlight that hemophilia types A and B were the most prevalent disorders of HHD in Najaf province, and the increase in number of newly recorded cases because of consanguineous marriage increased recently in this area.
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Affiliation(s)
| | - Ali Adil Saleem
- Medical Laboratory Techniques, Pathological Analysis, Al-Hakim Hospital, Najaf, Iraq
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4
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Abstract
Viscoelastic testing methods examine the real-time formation of a clot in a whole blood sample, and include thromboelastography (TEG), rotational thromboelastometry (ROTEM), and several other testing platforms. They allow for concurrent assessment of multiple aspects of clotting, including plasmatic coagulation factors, platelets, fibrinogen, and the fibrinolytic pathway. This testing is rapid and may be performed at the point-of-care, allowing for prompt identification of coagulopathies to guide focused and rational administration of blood products as well as the identification of anticoagulant effect. With recent industry progression towards user-friendly, cartridge-based, portable instruments, viscoelastic testing has emerged in the 21st century as a powerful tool to guide blood transfusions in the bleeding patient, and to identify and treat both bleeding and thrombotic conditions in many operative settings, including trauma surgery, liver transplant surgery, cardiac surgery, and obstetrics. In these settings, the use of transfusion algorithms guided by viscoelastic testing data has resulted in widespread improvements in patient blood management as well as modest improvements in select patient outcomes. To address the increasingly wide adoption of viscoelastic methods and the growing number of medical and laboratory personnel tasked with implementing, performing, and interpreting these methods, this chapter provides an overview of the history, physiology, and technology behind viscoelastic testing, as well as a practical review of its clinical utility and current evidence supporting its use. Also included is a review of testing limitations and the contextual role played by viscoelastic methods among all coagulation laboratory testing.
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Affiliation(s)
- Timothy Carll
- Department of Pathology, University of Chicago, Chicago, IL, United States.
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5
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Bruno L, Lenberg J, Le D, Dimmock D, Thornburg CD, Briggs B. Novel Approach to Improve the Identification of the Bleeding Phenotype in Noonan Syndrome and Related RASopathies. J Pediatr 2023:S0022-3476(23)00019-7. [PMID: 36646249 DOI: 10.1016/j.jpeds.2022.12.036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 11/10/2022] [Accepted: 12/01/2022] [Indexed: 01/14/2023]
Abstract
OBJECTIVES To characterize bleeding phenotype in Noonan Syndrome, to test the utility of following national guidelines in detecting this phenotype, to evaluate thromboelastography (TEG) as a diagnostic tool and to evaluate the cohort for genotype-phenotype correlations. STUDY DESIGN Participants with a clinical diagnosis NS or related RASopathy were enrolled in a cohort study. Study procedures included clinical bleeding assessment, coagulation testing per guidelines and hematology consultation. TEG was completed in a subset and genetic testing was conducted for those without a molecular diagnosis. International Society of Haemostasis and Thrombosis Bleeding Assessment Tool (ISTH-BAT) scores were calculated with hematology consultation. Bleeding phenotype was defined as abnormal bleeding score. RESULTS Twenty participants enrolled; 12completed clinical and laboratory evaluation, five of whom met the definition for bleeding phenotype. Four of the five participants with a bleeding phenotype had platelet aggregation defects and at least one additional coagulation defect. TEG was performed in nine participants, four with bleeding phenotype and five without, and results were normal in all cases. No genotype-phenotype correlation was found. CONCLUSION Five of 20 participants had a bleeding phenotype identified. Based on available data we do not recommend incorporating TEG into clinical practice for NS patients. Platelet aggregation defects were the most common abnormalities, which would not be detected on Tier 1 testing of current guidelines, therefore we propose a new algorithm.
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Affiliation(s)
- Leah Bruno
- Department of Pediatrics, Division of Hematology and Oncology, University of California San Diego, La Jolla, California; Rady Children's Institute of Genomic Medicine, San Diego, California
| | - Jerica Lenberg
- Rady Children's Institute of Genomic Medicine, San Diego, California
| | - Dzung Le
- Department of Pathology, University of California San Diego, La Jolla, California
| | - David Dimmock
- Rady Children's Institute of Genomic Medicine, San Diego, California
| | - Courtney D Thornburg
- Department of Pediatrics, Division of Hematology and Oncology, University of California San Diego, La Jolla, California; Hemophilia and Thrombosis Treatment Center, Rady Children's Hospital San Diego, San Diego, California
| | - Benjamin Briggs
- Rady Children's Institute of Genomic Medicine, San Diego, California.
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Lin Q, Yang G, Ruan J, Yu P, Deng C, Pan W. Study of the Significance of Thromboelastography Changes in Patients with Dyslipidemia. Emerg Med Int 2022; 2022:1927881. [PMID: 35990371 PMCID: PMC9388306 DOI: 10.1155/2022/1927881] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 06/24/2022] [Indexed: 12/29/2022] Open
Abstract
Purpose To investigate the changes in thromboelastography (TEG) in patients with dyslipidemia to study its effect on the blood coagulation status. Methods 131 patients hospitalized in Fujian Provincial Jinshan Hospital from January 2018 to December 2020 were selected, and 64 cases in the hyperlipidemia (HL) group and 67 cases in the non-HL group were set according to whether their blood lipids were abnormal. By measuring the changes of each parameter of TEG in patients, the relevant parameters R value, K value, α angle, and MA value were calculated. And routine blood coagulation (PT, APTT, INR, FIB, and TT) and routine blood (platelet count) tests were performed on all study subjects to analyze the changes of each index of the coagulation function and each parameter of TED in both groups and explore the clinical value of TEG on HL diseases. Results Compared with the non-HL group, R and K values decreased, and angle and MA values increased in the HL group (P < 0.05). PT, APTT, and INR values decreased, and FIB values increased in the HL group compared with the nonhyperlipidemic group (P < 0.05). The TT levels were similar in the non-HL group and the HL group (P > 0.05). Compared with the non-HL group, PLT values decreased, and PDW and MPV values increased in the HL group (P < 0.05). R value was positively correlated with APTT, r= 0.373, P=0.002. K value was negatively correlated with PLT, r= -0.399, P=0.002. α angle and MA values were positively correlated with PLT, r= 0.319/0.475, P=0.010/P < 0.001. The rest of the indexes did not correlate with each parameter of TEG significant correlation. Conclusion TEG can predict the hypercoagulability and hypocoagulability of blood by the changes of R value, K value, α angle, and MA to evaluate the effect of hyperlipidemia on the coagulation status, which is important for guiding the adjustment of lipid-lowering, antithrombotic, and anticoagulation programs in patients with atherosclerosis combined with hyperlipidemia or postsurgery combined with hyperlipidemia.
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Affiliation(s)
- Qing Lin
- Dapartment of Cardiovascular, Fujian Provincial Hospital South Branch, Fuzhou 350028, Fujian, China
- Provincial Clinical Medical College of Fujian Medical University, Fuzhou 350001, Fujian, China
| | - Guokai Yang
- Provincial Clinical Medical College of Fujian Medical University, Fuzhou 350001, Fujian, China
- Dapartment of Nephrology, Fujian Provincial Hospital, Fuzhou 350001, Fujian, China
| | - Jingming Ruan
- Provincial Clinical Medical College of Fujian Medical University, Fuzhou 350001, Fujian, China
- Department of Geriatric Medicine, Fujian Provincial Hospital, Fuzhou 350001, Fujian, China
| | - Peng Yu
- Dapartment of Cardiovascular, Fujian Provincial Hospital South Branch, Fuzhou 350028, Fujian, China
- Provincial Clinical Medical College of Fujian Medical University, Fuzhou 350001, Fujian, China
| | - Chaochao Deng
- Dapartment of Cardiovascular, Fujian Provincial Hospital South Branch, Fuzhou 350028, Fujian, China
- Provincial Clinical Medical College of Fujian Medical University, Fuzhou 350001, Fujian, China
| | - Weitao Pan
- Dapartment of Cardiovascular, Fujian Provincial Hospital South Branch, Fuzhou 350028, Fujian, China
- Provincial Clinical Medical College of Fujian Medical University, Fuzhou 350001, Fujian, China
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Schroeder JA, Kuether EA, Fang J, Jing W, Weiler H, Wilcox DA, Montgomery RR, Shi Q. Thromboelastometry assessment of hemostatic properties in various murine models with coagulopathy and the effect of factor VIII therapeutics. J Thromb Haemost 2021; 19:2417-2427. [PMID: 34245090 PMCID: PMC8865566 DOI: 10.1111/jth.15456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Accepted: 07/07/2021] [Indexed: 12/31/2022]
Abstract
BACKGROUND Rotational thromboelastometry (ROTEM) has been commonly used to assess the viscoelastic properties of the blood clotting process in the clinic for patients with a hemostatic or prothrombotic disorder. OBJECTIVE To evaluate the capability of ROTEM in assessing hemostatic properties in whole blood from various mouse models with genetic bleeding or clotting disease and the effect of factor VIII (FVIII) therapeutics in FVIIInull mice. METHODS Mice with a genetic deficiency in either a coagulation factor or a platelet glycoprotein were used in this study. The properties of platelet- or plasma-FVIII were also assessed. Citrated blood from mice was recalcified and used for ROTEM analysis. RESULTS We found that blood collected from the vena cava could generate reliable results from ROTEM analysis, but not blood collected from the tail vein, retro-orbital plexus, or submandibular vein. Age and sex did not significantly affect the hemostatic properties determined by ROTEM analysis. Clotting time (CT) and clot formation time (CFT) were significantly prolonged in FVIIInull (5- and 9-fold, respectively) and FIXnull (4- and 5.7-fold, respectively) mice compared to wild-type (WT)-C57BL/6J mice. Platelet glycoprotein (GP)IIIanull mice had significantly prolonged CFT (8.4-fold) compared to WT-C57BL/6J mice. CT and CFT in factor V (FV) Leiden mice were significantly shortened with an increased α-angle compared to WT-C57BL/6J mice. Using ROTEM analysis, we showed that FVIII expressed in platelets or infused into whole blood restored hemostasis of FVIIInull mice in a dose-dependent manner. CONCLUSION ROTEM is a reliable and sensitive assay for assessing therapeutics on hemostatic properties in mouse models with a bleeding or clotting disorder.
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Affiliation(s)
- Jocelyn A. Schroeder
- Blood Research Institute, Versiti Wisconsin, Milwaukee, Wisconsin, USA
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
- Children’s Research Institute, Children’s Wisconsin, Milwaukee, Wisconsin, USA
- MACC Fund Research Center, Milwaukee, Wisconsin, USA
| | - Erin A. Kuether
- Blood Research Institute, Versiti Wisconsin, Milwaukee, Wisconsin, USA
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
- Children’s Research Institute, Children’s Wisconsin, Milwaukee, Wisconsin, USA
- MACC Fund Research Center, Milwaukee, Wisconsin, USA
| | - Juan Fang
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
- MACC Fund Research Center, Milwaukee, Wisconsin, USA
| | - Weiqing Jing
- Blood Research Institute, Versiti Wisconsin, Milwaukee, Wisconsin, USA
| | - Hartmut Weiler
- Blood Research Institute, Versiti Wisconsin, Milwaukee, Wisconsin, USA
| | - David A. Wilcox
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
- Children’s Research Institute, Children’s Wisconsin, Milwaukee, Wisconsin, USA
- MACC Fund Research Center, Milwaukee, Wisconsin, USA
| | - Robert R. Montgomery
- Blood Research Institute, Versiti Wisconsin, Milwaukee, Wisconsin, USA
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
- Children’s Research Institute, Children’s Wisconsin, Milwaukee, Wisconsin, USA
- MACC Fund Research Center, Milwaukee, Wisconsin, USA
| | - Qizhen Shi
- Blood Research Institute, Versiti Wisconsin, Milwaukee, Wisconsin, USA
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
- Children’s Research Institute, Children’s Wisconsin, Milwaukee, Wisconsin, USA
- MACC Fund Research Center, Milwaukee, Wisconsin, USA
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Karasneh J, Christoforou J, Walker JS, Dios PD, Lockhart PB, Patton LL. World Workshop on Oral Medicine VII: Bleeding control interventions for invasive dental procedures in patients with inherited functional platelet disorders: A systematic review. Oral Surg Oral Med Oral Pathol Oral Radiol 2021; 133:412-431. [PMID: 34758941 DOI: 10.1016/j.oooo.2021.08.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2020] [Revised: 08/02/2021] [Accepted: 08/03/2021] [Indexed: 01/18/2023]
Abstract
OBJECTIVES The objective of this study was to determine bleeding control interventions (BCIs) that were reported to be effective in controlling postoperative bleeding in patients with inherited functional platelet disorders (IFPDs) undergoing invasive dental procedures. STUDY DESIGN We searched MEDLINE/PubMed, Embase, Cochrane Library (Wiley), and Scopus from 1960 through April 2020 for studies on patients with IFPD undergoing invasive dental procedures. Two reviewers conducted assessments independently. RESULTS We found a total of 620 nonduplicate published articles, of which 32 studies met our inclusion criteria. Management with BCI in patients with IFPD included in this systematic review was effective in 80.7% of treatment sessions. Local measures used intraoperatively were found to be effective. Three different protocols of BCI were noted; the most effective protocol consisted of antifibrinolytics, scaffold/matrix agents, and sutures (P < .01). An adjunct protocol consisting of a tissue sealant was also effective (P < .01). A third protocol of platelet transfusion and antifibrinolytics was ineffective in controlling postoperative bleeding in 4 of 6 dental sessions. CONCLUSIONS This systematic review supports the use of local measures intraoperatively and antifibrinolytics postoperatively. It also supports making decision regarding platelet transfusion based on the clinician's clinical judgment and medical history of the individual patient.
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Affiliation(s)
- Jumana Karasneh
- Department of Oral Medicine and Oral Surgery; School of Dentistry, Jordan University of Science and Technology, Irbid, Jordan.
| | - Janina Christoforou
- Faculty of Health and Medical Sciences, Dental School, University of Western Australia, Perth, Australia
| | - Jennifer S Walker
- Health Sciences Library, University of North Carolina at Chapel Hill, NC, USA
| | - Pedro Diz Dios
- Medical-Surgical Dentistry Research Group (OMEQUI), Health Research Institute of Santiago de Compostela (IDIS), University of Santiago de Compostela, Santiago de Compostela, Spain
| | - Peter B Lockhart
- Department of Oral Medicine, Carolinas Medical Center, Charlotte, NC, USA
| | - Lauren L Patton
- Department of Dental Ecology, School of Dentistry, University of North Carolina at Chapel Hill, NC, USA
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Speybroeck J, Marsee M, Shariff F, Zackariya N, Grisoli A, Lune SV, Larson EE, Hatch J, McCauley R, Shariff F, Aversa JG, Son M, Agostini V, Campello E, Simioni P, Scărlătescu E, Kwaan H, Hartmann J, Fries D, Walsh M. Viscoelastic testing in benign hematologic disorders: Clinical perspectives and future implications of point-of-care testing to assess hemostatic competence. Transfusion 2021; 60 Suppl 6:S101-S121. [PMID: 33089936 DOI: 10.1111/trf.16088] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 09/04/2020] [Accepted: 09/05/2020] [Indexed: 01/04/2023]
Abstract
Viscoelastic tests (VETs) have been used routinely for liver transplantation, cardiac surgery, and trauma, but only recently have found clinical utility in benign hematologic disorders. Therefore, guidelines for diagnosis and treatment of these disorders based on viscoelastic variables have been adapted from the existing transplant, cardiothoracic surgery, and trauma resuscitation literature. As a result, diagnostic and therapeutic strategies for benign hematologic disorders utilizing VETs are not uniform. Accordingly, even though there has been a recent increase in the utilization of VET for the diagnosis and treatment of such disorders, the literature is still in its early stages. Analysis of point-of-care viscoelastic tracings from benign hematologic disorders has the potential to allow prompt recognition of disease and to guide patient-specific intervention. Here we present a review describing the application of VETs to benign hematologic disorders.
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Affiliation(s)
- Jacob Speybroeck
- Indiana University School of Medicine, Notre Dame Campus, South Bend, Indiana
| | - Mathew Marsee
- Indiana University School of Medicine, Notre Dame Campus, South Bend, Indiana
| | - Faadil Shariff
- Saint Joseph Regional Medical Center, Mishawaka, Indiana
| | - Nuha Zackariya
- Saint Joseph Regional Medical Center, Mishawaka, Indiana
| | - Anne Grisoli
- Indiana University School of Medicine, Notre Dame Campus, South Bend, Indiana
| | - Stefani Vande Lune
- Indiana University School of Medicine, Notre Dame Campus, South Bend, Indiana
| | - Emilee E Larson
- Indiana University School of Medicine, Notre Dame Campus, South Bend, Indiana
| | - Jordan Hatch
- Indiana University School of Medicine, Notre Dame Campus, South Bend, Indiana
| | - Ross McCauley
- Indiana University School of Medicine, Notre Dame Campus, South Bend, Indiana
| | - Faisal Shariff
- Indiana University School of Medicine, Notre Dame Campus, South Bend, Indiana
| | - John G Aversa
- Department of General Surgery, Indiana University School of Medicine, Indianapolis, Indiana
| | - Michael Son
- Saint Joseph Regional Medical Center, Mishawaka, Indiana
| | - Vanessa Agostini
- Department of Transfusion Medicine, IRCC Polyclinic Hospital San Marino, Genoa, Italy
| | - Elena Campello
- Thrombotic and Hemorrhagic Diseases Unit, Department of Medicine, Padua University Hospital, Padua, Italy
| | - Paolo Simioni
- Thrombotic and Hemorrhagic Diseases Unit, Department of Medicine, Padua University Hospital, Padua, Italy
| | - Escaterina Scărlătescu
- Department of Anaesthesia and Intensive Care, Fundeni Clinical Institute, Bucharest, Romania
| | - Hau Kwaan
- Department of Hematology Oncology, Northwestern University School of Medicine, Chicago, Illinois
| | - Jan Hartmann
- Department of Medical Affairs, Haemonetics Corporation, Boston, Massachusetts
| | - Dietmar Fries
- Department of General and Surgical Critical Care Medicine, Medical University of Innsbruck, Innsbruck, Austria
| | - Mark Walsh
- Indiana University School of Medicine, Notre Dame Campus, South Bend, Indiana.,Saint Joseph Regional Medical Center, Mishawaka, Indiana
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