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Roy PS, Bansal D. Thromboembolism in Children: Unveiling Risk-Factors. Indian J Pediatr 2024; 91:655-656. [PMID: 38733449 DOI: 10.1007/s12098-024-05155-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2024] [Accepted: 05/03/2024] [Indexed: 05/13/2024]
Affiliation(s)
- Pritam Singha Roy
- Department of Pediatric Hemato-Oncology, Tata Medical Center, Kolkata, India
| | - Deepak Bansal
- Pediatric Hematology-Oncology Unit, Advanced Pediatrics Center, Department of Pediatrics, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
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2
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Moore GW. Thrombophilia Screening: Not So Straightforward. Semin Thromb Hemost 2024. [PMID: 38733983 DOI: 10.1055/s-0044-1786807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/13/2024]
Abstract
Although inherited thrombophilias are lifelong risk factors for a first thrombotic episode, progression to thrombosis is multifactorial and not all individuals with inherited thrombophilia develop thrombosis in their lifetimes. Consequently, indiscriminate screening in patients with idiopathic thrombosis is not recommended, since presence of a thrombophilia does not necessarily predict recurrence or influence management, and testing should be selective. It follows that a decision to undertake laboratory detection of thrombophilia should be aligned with a concerted effort to identify any significant abnormalities, because it will inform patient management. Deficiencies of antithrombin and protein C are rare and usually determined using phenotypic assays assessing biological activities, whereas protein S deficiency (also rare) is commonly detected with antigenic assays for the free form of protein S since available activity assays are considered to lack specificity. In each case, no single phenotypic assay is capable of detecting every deficiency, because the various mutations express different molecular characteristics, rendering thrombophilia screening repertoires employing one assay per potential deficiency, of limited effectiveness. Activated protein C resistance (APCR) is more common than discrete deficiencies of antithrombin, protein C, and protein S and also often detected initially with phenotypic assays; however, some centres perform only genetic analysis for factor V Leiden, as this is responsible for most cases of hereditary APCR, accepting that acquired APCR and rare F5 mutations conferring APCR will go undetected if only factor V Leiden is evaluated. All phenotypic assays have interferences and limitations, which must be factored into decisions about if, and when, to test, and be given consideration in the laboratory during assay performance and interpretation. This review looks in detail at performance and limitations of routine phenotypic thrombophilia assays.
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Affiliation(s)
- Gary W Moore
- Specialist Haemostasis Laboratory, Cambridge Haemophilia and Thrombophilia Centre, Cambridge University Hospitals NHS Foundation Trust, Cambridge, United Kingdom
- Department of Natural Sciences, Middlesex University, London, United Kingdom
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3
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Cohen O, Kenet G, Levy-Mendelovich S, Tzoran I, Brenner B, De Ancos C, LĂłpez-Miguel P, Varona JF, Catella J, Monreal M. Outcomes of venous thromboembolism in patients with inherited thrombophilia treated with direct oral anticoagulants: insights from the RIETE registry. J Thromb Thrombolysis 2024; 57:710-720. [PMID: 38491267 DOI: 10.1007/s11239-024-02957-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/06/2024] [Indexed: 03/18/2024]
Abstract
While direct oral anticoagulants (DOACs) are frequently used to treat venous thromboembolism (VTE), the outcomes of patients with inherited thrombophilia (IT) receiving DOACs for VTE remain understudied. We used data from the international RIETE registry to compare the rates of VTE recurrences, major bleeding, and mortality during anticoagulant treatment in VTE patients with and without IT, grouped by the use of DOACs or standard anticoagulant therapy. Among 103,818 enrolled patients, 21,089 (20.3%) were tested for IT, of whom 8422 (39.9%) tested positive: Protein C deficiency 294, Protein S deficiency 726, Antithrombin deficiency 240, Factor V Leiden 2248, Prothrombin gene mutation 1434, combined IT 3480. Overall, 14,189 RIETE patients (6.2% with IT) received DOACs, and 89,629 standard anticoagulation (8.4% with IT), mostly with heparins followed by vitamin K antagonists. Proportions of patients receiving DOACs did not differ between IT-positive and IT-negative patients. Rates of VTE recurrence on anticoagulant treatment were highest in patients with AT deficiency (Pâ<â0.01). Rates of on-treatment major bleeding and all-cause mortality were lowest among patients with Factor V Leiden (FVL) or PT G20210A mutations, compared with patients who tested negative. Patients with IT who received DOACs had lower rates of major bleeding than those receiving standard anticoagulation. Excluding FVL and Protein S deficiency, patients with IT had lower rates of VTE recurrence with DOACs than with standard anticoagulation. DOACs are equally safe and effective in VTE patients with IT, with lower bleeding rates than those on standard anticoagulation.
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Affiliation(s)
- Omri Cohen
- National Hemophilia Center & Institute of Thrombosis & Hemostasis, Sheba Medical Center, Tel Hashomer, Derech Sheba 2, 52621, Ramat Gan, Israel.
- Amalia Biron Research Institute of Thrombosis and Hemostasis, School of Medicine, Tel Aviv University, Tel Aviv, Israel.
- Department of Medicine and Surgery, University of Insubria, Varese, Italy.
| | - Gili Kenet
- National Hemophilia Center & Institute of Thrombosis & Hemostasis, Sheba Medical Center, Tel Hashomer, Derech Sheba 2, 52621, Ramat Gan, Israel
- Amalia Biron Research Institute of Thrombosis and Hemostasis, School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Sarina Levy-Mendelovich
- National Hemophilia Center & Institute of Thrombosis & Hemostasis, Sheba Medical Center, Tel Hashomer, Derech Sheba 2, 52621, Ramat Gan, Israel
- Amalia Biron Research Institute of Thrombosis and Hemostasis, School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Inna Tzoran
- Department of Hematology and Bone Marrow Transplantation, Rambam Healthcare Campus, Haifa, Israel
| | - Benjamin Brenner
- Department of Hematology and Bone Marrow Transplantation, Rambam Healthcare Campus, Haifa, Israel
| | - Cristina De Ancos
- Department of Internal Medicine, Hospital Universitario de Fuenlabrada, Madrid, Spain
| | | | - José F Varona
- Department of Internal Medicine, Hospital Universitario HM MonteprĂncipe, HM Hospitales, Boadilla del Monte, Madrid, Spain
| | - Judith Catella
- Department of Internal Medicine, HĂŽpital Ădouard Herriot, Lyon, France
| | - Manuel Monreal
- Faculty of Health Sciences, Universidad Católica San Antonio de Murcia (UCAM), El Centro de Investigación Biomédica en Red Enfermedades Respiratorias (CIBERS), Madrid, Spain
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4
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Marongiu F, Ruberto MF, Marongiu S, Mameli A, Barcellona D. Do we need more guidance on thrombophilia testing? Challenges and special considerations. Expert Rev Hematol 2024; 17:27-37. [PMID: 38228491 DOI: 10.1080/17474086.2024.2306821] [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: 11/23/2023] [Accepted: 01/15/2024] [Indexed: 01/18/2024]
Abstract
INTRODUCTION Thrombophilia testing (TT) is a laboratory procedure designed to detect the risk factors involved in the pathogenesis of vascular occlusions. The role of TT is also controversial because it has a limited impact on the choice and duration of antithrombotic treatments. AREAS COVERED We reviewed, by examining MEDLINE up to October 2023. Accepted and not accepted thrombophilia markers are discussed along with the appropriateness or not of prescribing TT in several conditions such as: provoked and unprovoked venous thromboembolism (VTE), women who are planning a pregnancy whose relatives had VTE or have a hereditary thrombophilia, before assumption of estro-progestins, after multiple pregnant loss, arterial thrombosis, retinal vein occlusion, and splanchnic vein thrombosis. EXPERT OPINION TT is not essential in the management of VTE, but it may be useful for limiting adverse events in case of thrombophilia. We expose our criticism of items afforded by other guidelines by presenting our opinion based on both the scientific evidence and clinical practice. We also deal with common mistakes in prescribing and interpretations of TT hoping to purpose an educational approach on this topic. Finally, we emphasize the creation of the expert in hemostasis and thrombosis who should be present in every hospital.
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Affiliation(s)
- Francesco Marongiu
- Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
- Haemostasis and Thrombosis Unit, Azienda Ospedaliera Universitaria of Cagliari, Cagliari, Italy
| | - Maria Filomena Ruberto
- Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
| | - Silvia Marongiu
- Internal Medicine department, SS TrinitĂ Hospital, ASL, Cagliari, Italy
| | - Antonella Mameli
- Haemostasis and Thrombosis Unit, Azienda Ospedaliera Universitaria of Cagliari, Cagliari, Italy
| | - Doris Barcellona
- Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
- Haemostasis and Thrombosis Unit, Azienda Ospedaliera Universitaria of Cagliari, Cagliari, Italy
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5
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Stefanucci L, Collins J, Sims MC, Barrio-Hernandez I, Sun L, Burren OS, Perfetto L, Bender I, Callahan TJ, Fleming K, Guerrero JA, Hermjakob H, Martin MJ, Stephenson J, Paneerselvam K, Petrovski S, Porras P, Robinson PN, Wang Q, Watkins X, Frontini M, Laskowski RA, Beltrao P, Di Angelantonio E, Gomez K, Laffan M, Ouwehand WH, Mumford AD, Freson K, Carss K, Downes K, Gleadall N, Megy K, Bruford E, Vuckovic D. The effects of pathogenic and likely pathogenic variants for inherited hemostasis disorders in 140â214 UK Biobank participants. Blood 2023; 142:2055-2068. [PMID: 37647632 PMCID: PMC10733830 DOI: 10.1182/blood.2023020118] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 08/04/2023] [Accepted: 08/04/2023] [Indexed: 09/01/2023] Open
Abstract
Rare genetic diseases affect millions, and identifying causal DNA variants is essential for patient care. Therefore, it is imperative to estimate the effect of each independent variant and improve their pathogenicity classification. Our study of 140Â 214 unrelated UK Biobank (UKB) participants found that each of them carries a median of 7 variants previously reported as pathogenic or likely pathogenic. We focused on 967 diagnostic-grade gene (DGG) variants for rare bleeding, thrombotic, and platelet disorders (BTPDs) observed in 12â367 UKB participants. By association analysis, for a subset of these variants, we estimated effect sizes for platelet count and volume, and odds ratios for bleeding and thrombosis. Variants causal of some autosomal recessive platelet disorders revealed phenotypic consequences in carriers. Loss-of-function variants in MPL, which cause chronic amegakaryocytic thrombocytopenia if biallelic, were unexpectedly associated with increased platelet counts in carriers. We also demonstrated that common variants identified by genome-wide association studies (GWAS) for platelet count or thrombosis risk may influence the penetrance of rare variants in BTPD DGGs on their associated hemostasis disorders. Network-propagation analysis applied to an interactome of 18â410 nodes and 571â917 edges showed that GWAS variants with large effect sizes are enriched in DGGs and their first-order interactors. Finally, we illustrate the modifying effect of polygenic scores for platelet count and thrombosis risk on disease severity in participants carrying rare variants in TUBB1 or PROC and PROS1, respectively. Our findings demonstrate the power of association analyses using large population datasets in improving pathogenicity classifications of rare variants.
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Affiliation(s)
- Luca Stefanucci
- Department of Haematology, University of Cambridge, Cambridge Biomedical Campus, Cambridge, United Kingdom
- National Health Service Blood and Transplant, Cambridge Biomedical Campus, Cambridge, United Kingdom
- British Heart Foundation, BHF Centre of Research Excellence, University of Cambridge, Cambridge Biomedical Campus, Cambridge, United Kingdom
| | - Janine Collins
- Department of Haematology, University of Cambridge, Cambridge Biomedical Campus, Cambridge, United Kingdom
- National Health Service Blood and Transplant, Cambridge Biomedical Campus, Cambridge, United Kingdom
- Department of Haematology, Barts Health NHS Trust, London, United Kingdom
| | - Matthew C. Sims
- Department of Haematology, University of Cambridge, Cambridge Biomedical Campus, Cambridge, United Kingdom
- National Health Service Blood and Transplant, Cambridge Biomedical Campus, Cambridge, United Kingdom
- Department of Haematology, Sheffield Teaching Hospitals NHS Foundation Trust, Royal Hallamshire Hospital, Sheffield, United Kingdom
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, United Kingdom
| | - Inigo Barrio-Hernandez
- European Molecular Biology Laboratory, European Bioinformatics Institute, Wellcome Genome Campus, Cambridge, United Kingdom
| | - Luanluan Sun
- Department of Public Health and Primary Care, BHF Cardiovascular Epidemiology Unit, University of Cambridge, Cambridge, United Kingdom
| | - Oliver S. Burren
- Centre for Genomics Research, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom
| | - Livia Perfetto
- European Molecular Biology Laboratory, European Bioinformatics Institute, Wellcome Genome Campus, Cambridge, United Kingdom
- Department of Biology and Biotechnology âC.Darwin,â Sapienza University of Rome, Rome, Italy
| | - Isobel Bender
- Department of Biochemistry, University of Oxford, Oxford, United Kingdom
| | - Tiffany J. Callahan
- Department of Biomedical Informatics, Columbia University Irving Medical Center, New York, NY
| | - Kathryn Fleming
- School of Cellular and Molecular Medicine, University of Bristol, Bristol, United Kingdom
| | - Jose A. Guerrero
- National Health Service Blood and Transplant, Cambridge Biomedical Campus, Cambridge, United Kingdom
- Department of Haematology, Barts Health NHS Trust, London, United Kingdom
| | - Henning Hermjakob
- European Molecular Biology Laboratory, European Bioinformatics Institute, Wellcome Genome Campus, Cambridge, United Kingdom
| | - Maria J. Martin
- European Molecular Biology Laboratory, European Bioinformatics Institute, Wellcome Genome Campus, Cambridge, United Kingdom
| | - James Stephenson
- European Molecular Biology Laboratory, European Bioinformatics Institute, Wellcome Genome Campus, Cambridge, United Kingdom
| | - NIHR BioResource
- Department of Haematology, University of Cambridge, Cambridge Biomedical Campus, Cambridge, United Kingdom
- National Health Service Blood and Transplant, Cambridge Biomedical Campus, Cambridge, United Kingdom
- British Heart Foundation, BHF Centre of Research Excellence, University of Cambridge, Cambridge Biomedical Campus, Cambridge, United Kingdom
- Department of Haematology, Barts Health NHS Trust, London, United Kingdom
- Department of Haematology, Sheffield Teaching Hospitals NHS Foundation Trust, Royal Hallamshire Hospital, Sheffield, United Kingdom
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, United Kingdom
- European Molecular Biology Laboratory, European Bioinformatics Institute, Wellcome Genome Campus, Cambridge, United Kingdom
- Department of Public Health and Primary Care, BHF Cardiovascular Epidemiology Unit, University of Cambridge, Cambridge, United Kingdom
- Centre for Genomics Research, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom
- Department of Biology and Biotechnology âC.Darwin,â Sapienza University of Rome, Rome, Italy
- Department of Biochemistry, University of Oxford, Oxford, United Kingdom
- Department of Biomedical Informatics, Columbia University Irving Medical Center, New York, NY
- School of Cellular and Molecular Medicine, University of Bristol, Bristol, United Kingdom
- Centre for Genomics Research, Discovery Sciences, AstraZeneca, Cambridge, United Kingdom
- Department of Medicine, Austin Health, The University of Melbourne, Melbourne, Australia
- Genomic Medicine, The Jackson Laboratory, Farmington, CT
- Institute for Systems Genomics, University of Connecticut, Farmington, CT
- Department of Clinical and Biomedical Sciences, Faculty of Health and Life Sciences RILD Building, University of Exeter Medical School, Exeter, United Kingdom
- Institute of Molecular Systems Biology, ETH ZĂŒrich, ZĂŒrich, Switzerland
- Heart and Lung Research Institute, University of Cambridge, Cambridge, United Kingdom
- NIHR Blood and Transplant Research Unit in Donor Health and Behaviour, Cambridge, United Kingdom
- Health Data Research UK Cambridge, Wellcome Genome Campus and University of Cambridge, Cambridge, United Kingdom
- Health Data Science Centre, Human Technopole, Milan, Italy
- Haemophilia Centre and Thrombosis Unit, Royal Free London NHS Foundation Trust, London, United Kingdom
- Department of Haematology, Imperial College Healthcare NHS Trust, London, United Kingdom
- Department of Immunology and Inflammation, Centre for Haematology, Imperial College London, London, United Kingdom
- Department of Haematology, University College London Hospitals NHS Trust, London, United Kingdom
- Department of Cardiovascular Sciences, Center for Molecular and Vascular Biology, KULeuven, Leuven, Belgium
- Cambridge Genomics Laboratory, Cambridge University Hospitals National Health Service Foundation Trust, Cambridge Biomedical Campus, Cambridge, United Kingdom
- Department of Epidemiology and Biostatistics, Imperial College London, London, United Kingdom
| | - Kalpana Paneerselvam
- European Molecular Biology Laboratory, European Bioinformatics Institute, Wellcome Genome Campus, Cambridge, United Kingdom
| | - Slavé Petrovski
- Centre for Genomics Research, Discovery Sciences, AstraZeneca, Cambridge, United Kingdom
- Department of Medicine, Austin Health, The University of Melbourne, Melbourne, Australia
| | - Pablo Porras
- European Molecular Biology Laboratory, European Bioinformatics Institute, Wellcome Genome Campus, Cambridge, United Kingdom
| | - Peter N. Robinson
- Genomic Medicine, The Jackson Laboratory, Farmington, CT
- Institute for Systems Genomics, University of Connecticut, Farmington, CT
| | - Quanli Wang
- Centre for Genomics Research, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom
| | - Xavier Watkins
- European Molecular Biology Laboratory, European Bioinformatics Institute, Wellcome Genome Campus, Cambridge, United Kingdom
| | - Mattia Frontini
- Department of Haematology, University of Cambridge, Cambridge Biomedical Campus, Cambridge, United Kingdom
- National Health Service Blood and Transplant, Cambridge Biomedical Campus, Cambridge, United Kingdom
- British Heart Foundation, BHF Centre of Research Excellence, University of Cambridge, Cambridge Biomedical Campus, Cambridge, United Kingdom
- Department of Clinical and Biomedical Sciences, Faculty of Health and Life Sciences RILD Building, University of Exeter Medical School, Exeter, United Kingdom
| | - Roman A. Laskowski
- European Molecular Biology Laboratory, European Bioinformatics Institute, Wellcome Genome Campus, Cambridge, United Kingdom
| | - Pedro Beltrao
- Institute of Molecular Systems Biology, ETH ZĂŒrich, ZĂŒrich, Switzerland
| | - Emanuele Di Angelantonio
- British Heart Foundation, BHF Centre of Research Excellence, University of Cambridge, Cambridge Biomedical Campus, Cambridge, United Kingdom
- Department of Public Health and Primary Care, BHF Cardiovascular Epidemiology Unit, University of Cambridge, Cambridge, United Kingdom
- Heart and Lung Research Institute, University of Cambridge, Cambridge, United Kingdom
- NIHR Blood and Transplant Research Unit in Donor Health and Behaviour, Cambridge, United Kingdom
- Health Data Research UK Cambridge, Wellcome Genome Campus and University of Cambridge, Cambridge, United Kingdom
- Health Data Science Centre, Human Technopole, Milan, Italy
| | - Keith Gomez
- Haemophilia Centre and Thrombosis Unit, Royal Free London NHS Foundation Trust, London, United Kingdom
| | - Mike Laffan
- Department of Haematology, Imperial College Healthcare NHS Trust, London, United Kingdom
- Department of Immunology and Inflammation, Centre for Haematology, Imperial College London, London, United Kingdom
| | - Willem H. Ouwehand
- Department of Haematology, University of Cambridge, Cambridge Biomedical Campus, Cambridge, United Kingdom
- National Health Service Blood and Transplant, Cambridge Biomedical Campus, Cambridge, United Kingdom
- Department of Haematology, University College London Hospitals NHS Trust, London, United Kingdom
| | - Andrew D. Mumford
- School of Cellular and Molecular Medicine, University of Bristol, Bristol, United Kingdom
| | - Kathleen Freson
- Department of Cardiovascular Sciences, Center for Molecular and Vascular Biology, KULeuven, Leuven, Belgium
| | - Keren Carss
- Centre for Genomics Research, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom
| | - Kate Downes
- Department of Haematology, University of Cambridge, Cambridge Biomedical Campus, Cambridge, United Kingdom
- National Health Service Blood and Transplant, Cambridge Biomedical Campus, Cambridge, United Kingdom
- Cambridge Genomics Laboratory, Cambridge University Hospitals National Health Service Foundation Trust, Cambridge Biomedical Campus, Cambridge, United Kingdom
| | - Nick Gleadall
- Department of Haematology, University of Cambridge, Cambridge Biomedical Campus, Cambridge, United Kingdom
- National Health Service Blood and Transplant, Cambridge Biomedical Campus, Cambridge, United Kingdom
| | - Karyn Megy
- Department of Haematology, University of Cambridge, Cambridge Biomedical Campus, Cambridge, United Kingdom
| | - Elspeth Bruford
- Department of Haematology, University of Cambridge, Cambridge Biomedical Campus, Cambridge, United Kingdom
- European Molecular Biology Laboratory, European Bioinformatics Institute, Wellcome Genome Campus, Cambridge, United Kingdom
| | - Dragana Vuckovic
- Department of Epidemiology and Biostatistics, Imperial College London, London, United Kingdom
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6
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Li L, Li J, Wu X, Wu W, Ding Q, Qian B, Wang X. Evaluation of prothrombotic risk of two PROC hotspot mutations (Arg189Trp and Lys193del) in Chinese population: a retrospective study. Thromb J 2023; 21:103. [PMID: 37789321 PMCID: PMC10546776 DOI: 10.1186/s12959-023-00548-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Accepted: 09/15/2023] [Indexed: 10/05/2023] Open
Abstract
BACKGROUND R189W and K193del of protein C (PC) were hotspot mutations in Chinese population with venous thromboembolism (VTE), but almost two-thirds of patients with above mutations coexisting with other genetically or aquiredly prothrombotic risk factors. The aim of this study is to clarify the independent contributions of R189W or K193del to VTE risk. METHODS 490 unrelated patients with a personal history of VTE and 410 healthy participants were enrolled in this study. Data of their demographics, family history, genetic and acquired thrombosis risk factors were collected and statistically analyzed. RESULTS PC R189W and K193del were identified in 3/410 (0.7%) and 7/410 (1.7%) healthy controls, and in 27/490 (5.5%) and 43/490 (8.8%) patients with VTE, respectively. Notably, about 70% of these mutant carriers combined with other genetic or acquired thrombophilic factors. After adjustment for age, gender, other inherited and acquired risk factors, we demonstrated that R189W and K193del were associated with 5.781-fold and 4.365-fold increased risk of VTE, respectively, which were significantly lower than the prothrombotic risk of anticoagulant deficiencies induced from rare mutations. Independent R189W or K193del mutation was not associated with earlier first-onset age as well as higher recurrent rate of VTE. However, combination of other genetic or acquired thrombophilic factors had supra-additive effects on those consequences. The more additional risk factors the patients had, the younger first-onset ages and higher risk of recurrence would be. CONCLUSIONS As the most frequent mutations for PC deficiency in Chinese population, both R189W and K193del mutations had limited independent contributions to VTE development compared with other rare mutations in PROC gene, but may act in concert with other genetic defects or acquired thrombotic risk factors to produce the final severe phenotype.
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Affiliation(s)
- Lei Li
- Department of Laboratory Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- State Key Laboratory of Medical Genomics, Shanghai Institute of Hematology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jian Li
- Clinical Research Center, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xi Wu
- Department of Laboratory Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wenman Wu
- Department of Laboratory Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Collaborative Innovation Center of Hematology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qiulan Ding
- Department of Laboratory Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
- Collaborative Innovation Center of Hematology, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Baohua Qian
- Department of Transfusion Medicine, Changhai Hospital, Second Military Medical University, Shanghai, China.
| | - Xuefeng Wang
- Department of Laboratory Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
- Collaborative Innovation Center of Hematology, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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7
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Hunt BJ, Corral J, Simioni P. Should we consider gene therapy in severe inherited thrombophilia? Communication from the ISTH SSC Subcommittee on Physiological Anticoagulants and Thrombophilia. J Thromb Haemost 2023; 21:2620-2622. [PMID: 37429507 DOI: 10.1016/j.jtha.2023.06.032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 06/16/2023] [Accepted: 06/26/2023] [Indexed: 07/12/2023]
Affiliation(s)
- Beverley J Hunt
- Thrombosis & Haemophilia Centre, Guy's & St Thomas' NHS Foundation Trust, London, UK.
| | - Javier Corral
- Servicio de HematologĂa, Hospital Universitario Morales Meseguer, Centro Regional de HemodonaciĂłn, Universidad de Murcia, IMIB-Pascual Parrilla, CIBERER-ISCIII, Murcia, Spain
| | - Paolo Simioni
- General Internal Medicine, Thrombotic and Hemorrhagic Diseases Unit and Hemophilia Center, Department of Medicine-DIMED, University of Padua Medical School, Padua, Italy
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8
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Wen Y, He H, Zhao K. Thrombophilic gene polymorphisms and recurrent pregnancy loss: a systematic review and meta-analysis. J Assist Reprod Genet 2023:10.1007/s10815-023-02823-x. [PMID: 37248348 DOI: 10.1007/s10815-023-02823-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Accepted: 04/29/2023] [Indexed: 05/31/2023] Open
Abstract
PURPOSE Recurrent pregnancy loss (RPL) is affecting 1-4% of women who conceive approximately, and no cause could be found in more than 50% of women suffering from RPL. Inherited thrombophilias have got increasing attention in women with unexplained RPL, so we aim to explore the relationship among these most common thrombophilic polymorphisms and RPL through a literature review and meta-analysis. METHODS Observational studies from PubMed, Embase, Cochrane, and Web of Science from 1997 to 7 April 2022 were searched. For each genetic variant, a fixed or random-effect model was used according to the heterogeneity test to calculate pooled ORs and 95% CIs for both dominant and recessive genetic models. Egger's line regression test was used to assess publication bias. The quality of the included articles was assessed by the Newcastle Ottawa scale. RESULTS A total of 124 articles comprising 17,278 RPL patients and 16,021 controls were included. Results showed that hyperhomocysteinemia (MTHFR) C677T (dominant model: OR, 1.43; 95% CI, 1.25-1.64; recessive model: OR, 1.60; 95% CI, 1.36-1.87), MTHFR A1298C (dominant model: OR, 1.66; 95% CI, 1.26-2.18; recessive model: OR, 1.79; 95% CI, 1.42-2.26), PAI-1 4G/5G (dominant model: OR, 1.67; 95% CI, 1.36-2.06; recessive model: OR, 1.80; 95% CI, 1.39-2.32), angiotensin-converting enzyme I/D (OR, 1.23; 95% CI, 1.00-1.53), Factor XIII V34L (OR, 1.38; 95% CI, 1.02-1.87), and ÎČ-fibrinogen-455G/A (OR, 1.60; 95% CI, 1.02-2.51) were significantly associated with RPL. CONCLUSION This study provides potentially useful clinical markers to evaluate the risk of RPL or to help unexplained RPL patients identify possible causes, which may allow for targeted treatment.
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Affiliation(s)
- Yuanjia Wen
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Haodong He
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Kai Zhao
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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9
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Middeldorp S. Indicators of hypercoagulability and recurrent venous thromboembolism in the elderly: rethinking age and thrombophilia. Res Pract Thromb Haemost 2023; 7:100056. [PMID: 36970734 PMCID: PMC10031462 DOI: 10.1016/j.rpth.2023.100056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 01/03/2023] [Indexed: 02/17/2023] Open
Affiliation(s)
- Saskia Middeldorp
- Correspondence Saskia Middeldorp, Department of Internal Medicine, Radboud university medical center, Geert Grooteplein 10, Nijmegen 6525 GA, The Netherlands. @MiddeldorpS
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10
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Wang J, Tan J, Hua L, Sheng Q, Huang X, Liu P. Genetic Predisposition of Both Waist Circumference and Hip Circumference Increased the Risk of Venous Thromboembolism. Thromb Haemost 2023; 123:347-361. [PMID: 36384228 PMCID: PMC9981277 DOI: 10.1055/a-1980-8852] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
BACKGROUND âObesity, especially abdominal obesity, is an independent indicator of increased cardiovascular risk. Observational studies have shown an observational association between obesity and venous thromboembolism (VTE). As a type of VTE, pulmonary embolism (PE) is also associated with obesity. However, it is unclear whether the observed associations are causal or caused by confounding bias or reverse causality. METHODS âWe performed a two-sample test by obtaining the exposure dataset of waist circumference (WC) and hip circumference (HC) from the Neale Laboratory Consortium's genome-wide association study summary data and the summary-level outcome data of VTE and PE from FinnGen Biobank of European ancestry to determine the causal effect of WC and HC on VTE and PE. RESULTS âAll three Mendelian randomization methods displayed a positive association between WC/HC and VTE/PE. WC and HC were positively associated with VTE (odds ratio [OR]â=â1.803 per 1 standard deviation [SD] increase in WC, 95% confidence interval [CI]â=â1.393-2.333; pâ<â0.001; ORâ=â1.479 per 1 SD increase in HC, 95% CIâ=â1.219-1.796; pâ<â0.001, respectively). Furthermore, we found a causal association between genetically predicted WC/HC and a higher risk of PE (ORâ=â1.929 per 1 SD increase in WC, 95% CIâ=â1.339-2.778, pâ<â0.001; ORâ=â1.431 per 1 SD increase in HC, 95% CI =1.095-1.869; pâ=â0.009, respectively). CONCLUSION âThere is a significant causal relationship between WC/HC and VTE/PE, which is consistent with observational studies. Taking measures to reduce WC/HC of obesity may help reduce the incidence of VTE/PE.
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Affiliation(s)
- Jiayu Wang
- Department of Cardiology, The Second Hospital of Shandong University, Jinan, China
| | - Jiangshan Tan
- Key Laboratory of Pulmonary Vascular Medicine, National Clinical Research Center of Cardiovascular Diseases, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Lu Hua
- Key Laboratory of Pulmonary Vascular Medicine, National Clinical Research Center of Cardiovascular Diseases, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Qiping Sheng
- Department of Cardiology, The Second Hospital of Shandong University, Jinan, China
| | - Xianwei Huang
- Department of Emergency, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Ping Liu
- Department of Cardiology, The Second Hospital of Shandong University, Jinan, China,Address for correspondence Ping Liu Department of Cardiology, The Second Hospital of Shandong UniversityNo.247, Beiyuan Road, Jinan, Shandong 250033China
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11
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Deng YJ, Liu SJ, Zhao M, Zhao F, Guo J, Huang YX. Research trends and hotspots of recurrent pregnancy loss with thrombophilia: a bibliometric analysis. BMC Pregnancy Childbirth 2022; 22:944. [PMID: 36526982 PMCID: PMC9756660 DOI: 10.1186/s12884-022-05210-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 11/11/2022] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Thrombophilia is a group of disorders that result in a blood hypercoagulable state and induce thrombosis, which was found widely existed in recurrent pregnancy loss (RPL). More and more research about thrombophilia has been conducted but the association between thrombophilia and RPL remains uncertain. Thus, it's necessary to combine relevant literature to find the research hotspots and analyze the internal link between different study points, and then predict the development trend in RPL with thrombophilia. METHODS Relevant articles between 1970 and 2022 were obtained from the Web of Science (WoS) database. Software VOSviewer and CiteSpace were used to perform the analysis and conduct visualization of scientific productivity and emerging trends. RESULTS Seven hundred twenty-five articles published in recent 30âyears by 3205 authors from 1139 organizations and 68 countries were analyzed. 37authors, 38 countries, and 53 organizations published papers â„5. The United States was the most productive country and Univ Amsterdam was the most productive institution. Journal thrombosis and haemostasis had the most total citations. In keyword and clusters, factor-v-Leiden, inherited thrombophilia, activated protein-c, low-dose aspirin, molecular-weigh heparin, polymorphism had high-frequency focus on its etiology, diagnostics, and therapeutics. The strongest keyword bursts showed the research hotspots changed over time. CONCLUSIONS There could be differences in the clinical relevance of different type of thrombophilia, as well as single and multiple thrombophilic factors. Anticoagulation and immunotherapy are currently the main treatment options. More clinical trials and basic research are expected and we should attach more attention to the whole management of in-vitro fertilization in the future.
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Affiliation(s)
- Ying-jun Deng
- grid.464481.b0000 0004 4687 044XDepartment of Andrology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, 100091 China ,grid.464481.b0000 0004 4687 044XDepartment of Obstetrics and Gynecology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, No.1 Xiyuan Cao Chang, Zhongzhi Road, Beijing, 100091 China
| | - Sheng-Jing Liu
- grid.464481.b0000 0004 4687 044XDepartment of Andrology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, 100091 China
| | - Ming Zhao
- grid.464481.b0000 0004 4687 044XDepartment of Andrology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, 100091 China
| | - Feng Zhao
- grid.464481.b0000 0004 4687 044XDepartment of Andrology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, 100091 China
| | - Jun Guo
- grid.464481.b0000 0004 4687 044XDepartment of Andrology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, 100091 China
| | - Yu-xiao Huang
- grid.464481.b0000 0004 4687 044XDepartment of Obstetrics and Gynecology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, No.1 Xiyuan Cao Chang, Zhongzhi Road, Beijing, 100091 China
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12
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Mertins T, Nilius H, Boss R, Knuchel M, Signorell A, Huber CA, Blozik E, Kremer Hovinga JA, Bachmann LM, Nagler M. Secondary prevention of venous thromboembolism: Predictors and outcomes of guideline adherence in a long-term prospective cohort study. Front Cardiovasc Med 2022; 9:963528. [PMID: 35990937 PMCID: PMC9381867 DOI: 10.3389/fcvm.2022.963528] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 07/08/2022] [Indexed: 11/13/2022] Open
Abstract
Background Prevention of recurrent venous thromboembolism (VTE) is considered a main goal of VTE management. However, the extent to which physicians adhere to the recommendations from evidence-based guidelines is unknown. Aim From a large, prospective clinical cohort, we aimed to (1) quantify the adherence of treatment recommendations to evidence-based guidelines and establish its predictors, and (2) estimate its impact on clinical outcomes and costs in patients with VTE. Methods We included 6'243 consecutive patients with VTE treated at the university outpatient unit. Detailed clinical characteristics and treatment recommendations were recorded. Adherence of treatment recommendations to evidence-based guidelines at risk assessment was assessed in terms of duration of anticoagulant treatment. Data on death were obtained from the Swiss Central Compensation Office. Health care claims data recorded between 2014 and 2019 were retrieved from Helsana, one of the largest Swiss health insurance companies. Results The adherence to evidence-based guidelines was 36.1%. Among patients with non-adherence, overtreatment was present in 70.1%. Significant patient-related predictors of guideline adherence were (a) age above 50 years, (b) male sex, (c) pulmonary embolism, (d) unprovoked VTE, (e) multiple VTE, (f) laboratory tests not ordered, and (g) various cardiovascular comorbidities. Non-adherence was not significantly associated with mortality, hospitalization, admission to nursing home, and costs. Conclusions The adherence to evidence-based guidelines was low, and several unrelated predictors appeared. Although these results need to be confirmed in other settings, they highlight the need for implementation of evidence-based guidelines in clinical practice.
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Affiliation(s)
- Tamara Mertins
- Department of Clinical Chemistry, Inselspital, Bern University Hospital, Bern, Switzerland
| | - Henning Nilius
- Department of Clinical Chemistry, Inselspital, Bern University Hospital, Bern, Switzerland
| | - Robin Boss
- Department of Clinical Chemistry, Inselspital, Bern University Hospital, Bern, Switzerland
| | - Matthias Knuchel
- Department of Clinical Chemistry, Inselspital, Bern University Hospital, Bern, Switzerland
| | - Andri Signorell
- Department of Health Sciences, Helsana Group, Zurich, Switzerland
| | - Carola A. Huber
- Department of Health Sciences, Helsana Group, Zurich, Switzerland
| | - Eva Blozik
- Department of Health Sciences, Helsana Group, Zurich, Switzerland
- Institute of Primary Care, University of Zurich and University Hospital of Zurich, Zurich, Switzerland
| | - Johanna Anna Kremer Hovinga
- Department of Hematology and Central Hematology Laboratory, Inselspital, Bern University Hospital, Bern, Switzerland
- Faculty of Medicine, University of Bern, Bern, Switzerland
| | - Lucas M. Bachmann
- Medignition AG, Research Consultants, University of Zurich, Zurich, Switzerland
| | - Michael Nagler
- Department of Clinical Chemistry, Inselspital, Bern University Hospital, Bern, Switzerland
- Department of Hematology and Central Hematology Laboratory, Inselspital, Bern University Hospital, Bern, Switzerland
- Faculty of Medicine, University of Bern, Bern, Switzerland
- *Correspondence: Michael Nagler
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13
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Vrotniakaite-Bajerciene K, Tritschler T, Jalowiec KA, Broughton H, Brodard J, Porret NA, Haynes A, Rovo A, Kremer Hovinga JA, Aujesky D, Angelillo-Scherrer A. Thrombophilia Impact on Treatment Decisions, Subsequent Venous or Arterial Thrombosis and Pregnancy-Related Morbidity: A Retrospective Single-Center Cohort Study. J Clin Med 2022; 11:jcm11144188. [PMID: 35887951 PMCID: PMC9316471 DOI: 10.3390/jcm11144188] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Revised: 07/13/2022] [Accepted: 07/16/2022] [Indexed: 12/10/2022] Open
Abstract
(1) Background: Thrombophilia testing utility has remained controversial since its clinical introduction, because data on its influence on treatment decisions are limited. (2) Methods: We conducted a single-center retrospective cohort study of 3550 unselected patients referred for thrombophilia consultation at the Bern University Hospital in Switzerland from January 2010 to October 2020. We studied the influence of thrombophilia testing results on treatment decisions and evaluated the association between thrombophilia and thromboembolic and pregnancy-related morbidity events after testing up to 03/2021. (3) Results: In 1192/3550 patients (34%), at least one case of thrombophilia was found and 366 (10%) had high-risk thrombophilia. A total of 211/3550 (6%) work-ups (111/826 (13%) with low-risk thrombophilia and 100/366 (27%) with high-risk thrombophilia) led to an appropriate decision to extend or initiate anticoagulation, and 189 (5%) negative results led to the withholding of anticoagulation therapy inappropriately. A total of 2492 patients (69%) were followed up for >30 days, with a median follow-up of 49 months (range, 1â183 months). Patients with high-risk thrombophilia had a higher risk of subsequent venous thromboembolic events and pregnancy-related morbidity compared to those without thrombophilia. (4) Conclusions: Our study demonstrated the limited usefulness of thrombophilia work-up in clinical decision-making. High-risk thrombophilia was associated with subsequent venous thromboembolism and pregnancy-related morbidity.
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Affiliation(s)
- Kristina Vrotniakaite-Bajerciene
- Department of Hematology and Central Hematology Laboratory, Bern University Hospital, 3010 Bern, Switzerland; (K.A.J.); (H.B.); (J.B.); (N.A.P.); (A.R.); (J.A.K.H.); (A.A.-S.)
- Department for BioMedical Research, University of Bern, 3008 Bern, Switzerland
- Correspondence:
| | - Tobias Tritschler
- Department of General Internal Medicine, Bern University Hospital, 3010 Bern, Switzerland; (T.T.); (D.A.)
| | - Katarzyna Aleksandra Jalowiec
- Department of Hematology and Central Hematology Laboratory, Bern University Hospital, 3010 Bern, Switzerland; (K.A.J.); (H.B.); (J.B.); (N.A.P.); (A.R.); (J.A.K.H.); (A.A.-S.)
| | - Helen Broughton
- Department of Hematology and Central Hematology Laboratory, Bern University Hospital, 3010 Bern, Switzerland; (K.A.J.); (H.B.); (J.B.); (N.A.P.); (A.R.); (J.A.K.H.); (A.A.-S.)
- Department for BioMedical Research, University of Bern, 3008 Bern, Switzerland
| | - Justine Brodard
- Department of Hematology and Central Hematology Laboratory, Bern University Hospital, 3010 Bern, Switzerland; (K.A.J.); (H.B.); (J.B.); (N.A.P.); (A.R.); (J.A.K.H.); (A.A.-S.)
- Department for BioMedical Research, University of Bern, 3008 Bern, Switzerland
| | - Naomi Azur Porret
- Department of Hematology and Central Hematology Laboratory, Bern University Hospital, 3010 Bern, Switzerland; (K.A.J.); (H.B.); (J.B.); (N.A.P.); (A.R.); (J.A.K.H.); (A.A.-S.)
- Department for BioMedical Research, University of Bern, 3008 Bern, Switzerland
| | - Alan Haynes
- Clinical Trials Unit Bern, University of Bern, 3012 Bern, Switzerland;
| | - Alicia Rovo
- Department of Hematology and Central Hematology Laboratory, Bern University Hospital, 3010 Bern, Switzerland; (K.A.J.); (H.B.); (J.B.); (N.A.P.); (A.R.); (J.A.K.H.); (A.A.-S.)
- Department for BioMedical Research, University of Bern, 3008 Bern, Switzerland
| | - Johanna Anna Kremer Hovinga
- Department of Hematology and Central Hematology Laboratory, Bern University Hospital, 3010 Bern, Switzerland; (K.A.J.); (H.B.); (J.B.); (N.A.P.); (A.R.); (J.A.K.H.); (A.A.-S.)
- Department for BioMedical Research, University of Bern, 3008 Bern, Switzerland
| | - Drahomir Aujesky
- Department of General Internal Medicine, Bern University Hospital, 3010 Bern, Switzerland; (T.T.); (D.A.)
| | - Anne Angelillo-Scherrer
- Department of Hematology and Central Hematology Laboratory, Bern University Hospital, 3010 Bern, Switzerland; (K.A.J.); (H.B.); (J.B.); (N.A.P.); (A.R.); (J.A.K.H.); (A.A.-S.)
- Department for BioMedical Research, University of Bern, 3008 Bern, Switzerland
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14
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Arachchillage DJ, Mackillop L, Chandratheva A, Motawani J, MacCallum P, Laffan M. Guidelines for thrombophilia testing: A British Society for Haematology guideline. Br J Haematol 2022; 198:443-458. [PMID: 35645034 PMCID: PMC9542828 DOI: 10.1111/bjh.18239] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 04/24/2022] [Accepted: 04/26/2022] [Indexed: 11/30/2022]
Affiliation(s)
- Deepa J Arachchillage
- Department of Haematology, Imperial College Healthcare NHS Trust, London, UK.,Centre for Haematology, Department of Immunology and Inflammation, Imperial College London, London, UK
| | - Lucy Mackillop
- Women's Centre, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | | | - Jayashree Motawani
- Department of Haematology, Birmingham Children's Hospital, Birmingham, UK
| | - Peter MacCallum
- Department of Haematology, Barts Health NHS Trust, London, UK.,Wolfson Institute of Population Health, Queen Mary University of London, London, UK
| | - Mike Laffan
- Department of Haematology, Imperial College Healthcare NHS Trust, London, UK.,Centre for Haematology, Department of Immunology and Inflammation, Imperial College London, London, UK
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15
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Samfireag M, Potre C, Potre O, Tudor R, Hoinoiu T, Anghel A. Approach to Thrombophilia in Pregnancy-A Narrative Review. MEDICINA (KAUNAS, LITHUANIA) 2022; 58:medicina58050692. [PMID: 35630108 PMCID: PMC9145888 DOI: 10.3390/medicina58050692] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 05/15/2022] [Accepted: 05/19/2022] [Indexed: 11/16/2022]
Abstract
Thrombophilia is a genetic predisposition to hypercoagulable states caused by acquired haemostasis conditions; pregnancy causes the haemostatic system to become hypercoagulable, which grows throughout the pregnancy and peaks around delivery. Genetic testing for thrombophilic gene mutations is evaluated using different methodologies of real-time polymerase chain reaction and DNA microarrays of specific genes. Adapting the general care of the pregnant woman to the particularities caused by thrombophilia is an important component, so screening is preferred to assess the degree of genetic damage that manifests itself as a risk of thrombosis. The major goal of this narrative review was to quantitatively evaluate the literature data on the specific care of pregnant women with thrombophilia that are at risk of developing unplanned miscarriages.
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Affiliation(s)
- Miruna Samfireag
- Department of Internal Medicine, Discipline of Clinical Practical Skills, âVictor Babesâ University of Medicine and Pharmacy, No. 2 Eftimie Murgu Square, 300041 Timisoara, Romania; (M.S.); (T.H.)
- Advanced Cardiology and Hemostaseology Research Center, âVictor Babesâ University of Medicine and Pharmacy, No. 2 Eftimie Murgu Square, 300041 Timisoara, Romania
| | - Cristina Potre
- Department of Internal Medicine, Discipline of Hematology, âVictor Babesâ University of Medicine and Pharmacy, No. 2 Eftimie Murgu Square, 300041 Timisoara, Romania;
- Correspondence:
| | - Ovidiu Potre
- Department of Internal Medicine, Discipline of Hematology, âVictor Babesâ University of Medicine and Pharmacy, No. 2 Eftimie Murgu Square, 300041 Timisoara, Romania;
| | - Raluca Tudor
- Department of Neurosciences, Discipline of Neurology, âVictor Babesâ University of Medicine and Pharmacy, No. 2 Eftimie Murgu Square, 300041 Timisoara, Romania;
| | - Teodora Hoinoiu
- Department of Internal Medicine, Discipline of Clinical Practical Skills, âVictor Babesâ University of Medicine and Pharmacy, No. 2 Eftimie Murgu Square, 300041 Timisoara, Romania; (M.S.); (T.H.)
- Advanced Cardiology and Hemostaseology Research Center, âVictor Babesâ University of Medicine and Pharmacy, No. 2 Eftimie Murgu Square, 300041 Timisoara, Romania
| | - Andrei Anghel
- Department of Biochemistry and Pharmacology, Discipline of Biochemistry, âVictor Babesâ University of Medicine and Pharmacy, No. 2 Eftimie Murgu Square, 300041 Timisoara, Romania;
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16
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EASL Clinical Practice Guidelines on prevention and management of bleeding and thrombosis in patients with cirrhosis. J Hepatol 2022; 76:1151-1184. [PMID: 35300861 DOI: 10.1016/j.jhep.2021.09.003] [Citation(s) in RCA: 105] [Impact Index Per Article: 52.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Accepted: 09/13/2021] [Indexed: 12/11/2022]
Abstract
The prevention and management of bleeding and thrombosis in patients with cirrhosis poses several difficult clinical questions. These Clinical Practice Guidelines have been developed to provide practical guidance on debated topics, including current views on haemostasis in liver disease, controversy regarding the need to correct thrombocytopenia and abnormalities in the coagulation system in patients undergoing invasive procedures, and the need for thromboprophylaxis in hospitalised patients with haemostatic abnormalities. Multiple recommendations in this document are based on interventions that the panel feels are not useful, even though widely applied in clinical practice.
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17
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Eppenberger D, Nilius H, Anagnostelis B, Huber CA, Nagler M. Current Knowledge on Factor V Leiden Mutation as a Risk Factor for Recurrent Venous Thromboembolism: A Systematic Review and Meta-Analysis. Front Cardiovasc Med 2022; 9:883986. [PMID: 35463779 PMCID: PMC9021545 DOI: 10.3389/fcvm.2022.883986] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Accepted: 03/17/2022] [Indexed: 12/24/2022] Open
Abstract
Background Thrombophilia screening is widely done in clinical practice, and it is claimed that the extent of venous thromboembolism (VTE) recurrence risk in patients with common defects is still not fully understood. Aim We aimed to summarize data of all observational studies prospectively assessing the association of heterozygous factor V Leiden (FVL) mutation and recurrent VTE in patients with VTE, and to calculate pooled relative risks (RR), overall and in various subgroups. Methods We searched MEDLINE and EMBASE databases for cohort studies prospectively assessing VTE recurrence in patients with and without FVL mutation (PROSPERO: CRD42021182800). Data were extracted on cohort and study-level. The methodological quality was assessed using the Newcastle-Ottawa Scale (NOS). RR were calculated overall and in subgroups using a random-effects model. Results From 31 cohorts, 24 studies were finally included summarizing 13,571 patients. Heterozygous FVL mutation was identified in 2,840 individuals (21%). The methodological quality was estimated to be high in 20 studies (83%). The overall RR was 1.46 (95% CI: 1.31, 1.64), consistent across subgroups. Conclusions Pooling all high-quality epidemiological data, the risk of recurrent VTE was increased by 46% in patients with heterozygous FVL mutation. Against the background of established risk factors, the FVL mutation plays only a marginal role in the risk assessment for recurrent VTE.
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Affiliation(s)
- Daria Eppenberger
- Department of Clinical Chemistry, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Henning Nilius
- Department of Clinical Chemistry, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Betsy Anagnostelis
- Medical Library Research Support Service, University Library of Bern, University of Bern, Bern, Switzerland
| | - Carola A. Huber
- Department of Health Sciences, Helsana Insurance Group, ZĂŒrich, Switzerland
| | - Michael Nagler
- Department of Clinical Chemistry, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
- *Correspondence: Michael Nagler
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18
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Stevens H, Canovas R, Tran H, Peter K, McFadyen JD. Inherited Thrombophilias Are Associated With a Higher Risk of COVID-19-Associated Venous Thromboembolism: A Prospective Population-Based Cohort Study. Circulation 2022; 145:940-942. [PMID: 35312380 PMCID: PMC8928846 DOI: 10.1161/circulationaha.121.057394] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Hannah Stevens
- Department of Haematology (H.S., H.T., J.M.), Alfred Hospital, Melbourne, Victoria, Australia.,Australian Centre for Blood Diseases, Monash University, Melbourne, Victoria, Australia (H.S., H.T., J.M.).,Atherothrombosis and Vascular Biology Program (H.S., K.P., J.M.), Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia
| | - Rodrigo Canovas
- Cambridge Baker Systems Genomics Initiative (R.C.), Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia
| | - Huyen Tran
- Australian Centre for Blood Diseases, Monash University, Melbourne, Victoria, Australia (H.S., H.T., J.M.)
| | - Karlheinz Peter
- Department of Cardiology (K.P.), Alfred Hospital, Melbourne, Victoria, Australia.,Atherothrombosis and Vascular Biology Program (H.S., K.P., J.M.), Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia
| | - James D McFadyen
- Australian Centre for Blood Diseases, Monash University, Melbourne, Victoria, Australia (H.S., H.T., J.M.).,Atherothrombosis and Vascular Biology Program (H.S., K.P., J.M.), Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia.,Baker Department of Cardiometabolic Health, The University of Melbourne, Victoria, Australia (K.P., J.M.)
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19
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Middeldorp S, Naue C, Köhler C. Thrombophilia, Thrombosis and Thromboprophylaxis in Pregnancy: For What and in Whom? Hamostaseologie 2022; 42:54-64. [PMID: 35196731 DOI: 10.1055/a-1717-7663] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Compared with nonpregnant women, pregnancy carries a four- to fivefold higher risk of venous thromboembolism (VTE). Despite increasing use of heparin prophylaxis in identified high-risk patients, pulmonary embolism still is the leading cause of maternal mortality in the western world. However, evidence on optimal use of thromboprophylaxis is scarce. Thrombophilia, the hereditary or acquired tendency to develop VTE, is also thought to be associated with complications in pregnancy, such as recurrent miscarriage and preeclampsia. In this review, the current evidence on optimal thromboprophylaxis in pregnancy is discussed, focusing primarily on VTE prevention strategies but also discussing the potential to prevent recurrent pregnancy complications with heparin in pregnant women with thrombophilia.
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Affiliation(s)
- Saskia Middeldorp
- Department of Internal Medicine, Radboud Institute of Health Sciences (RIHS), Radboud University Medical Center, Nijmegen, The Netherlands
| | - Christiane Naue
- Division of Hematology, Department of Medicine I, University Hospital "Carl Gustav Carus" Dresden, Dresden, Germany
| | - Christina Köhler
- Division of Hematology, Department of Medicine I, University Hospital "Carl Gustav Carus" Dresden, Dresden, Germany
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20
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Chandra M, Chandra A, Chakraborty S, Ghosh J. Midbrain infarction in inherited protein S deficiency: a rare association. BMJ Case Rep 2021; 14:e246073. [PMID: 34667051 PMCID: PMC8527143 DOI: 10.1136/bcr-2021-246073] [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] [Accepted: 10/02/2021] [Indexed: 11/04/2022] Open
Abstract
Inherited thrombophilic disorders are well-established predisposing factors for venous thromboembolism, but their role in arterial ischaemic stroke is uncertain. The exact mechanism of arterial thrombosis in thrombophilias remains elusive. Herein, we report a case of a 30-year-old woman who was admitted to our facility with sudden-onset right-sided ptosis and ophthalmoplegia. Detailed clinical features, neuroimaging and laboratory evaluation clinched the diagnosis of ischaemic stroke in midbrain due to microvascular obstruction associated with isolated protein S deficiency. She was treated with oral anticoagulant (warfarin) and physiotherapy; without any improvement of her symptoms at 2âmonths of follow-up. A high index of clinical suspicion is needed in any case of young ischaemic stroke in absence of common cardiac and vascular risk factors, to recognise the presence of inherited thrombophilia.
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Affiliation(s)
- Manali Chandra
- Internal Medicine, Medical College and Hospital Kolkata, Kolkata, West Bengal, India
| | - Atanu Chandra
- Internal Medicine, RG Kar Medical College and Hospital, Kolkata, West Bengal, India
| | - Sayantan Chakraborty
- Internal Medicine, Medical College and Hospital Kolkata, Kolkata, West Bengal, India
| | - Joydeep Ghosh
- Internal Medicine, Medical College and Hospital Kolkata, Kolkata, West Bengal, India
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21
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Thau A, Saffren B, Anderst JD, Carpenter SL, Levin AV. A review on clotting disorders and retinal hemorrhages: Can they mimic abuse? CHILD ABUSE & NEGLECT 2021; 118:105070. [PMID: 34049052 DOI: 10.1016/j.chiabu.2021.105070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 03/12/2021] [Accepted: 04/07/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND The characteristic findings of abusive head trauma (AHT) include retinal hemorrhages (RH). RH have many etiologies in childhood, which should be considered in the differential diagnosis of possible child abuse. The relationship between RH and thrombophilia in children is not well established. OBJECTIVE In this literature review, we sought to assess whether retinal findings in pediatric patients with thrombophilia could mimic those of AHT. METHODS A literature search was performed to identify all cases of thrombophilia in children less than 18 years old with ocular manifestations. Disorders of thrombophilia including protein C and S deficiency, factor V Leiden (FVL), prothrombin variant, MTHFR mutation, hyperhomocysteinemia, elevated factor VIII, and elevated lipoprotein (a) were considered. All cases of pediatric thrombophilia with retinal examination or intraocular bleeding were included. If provided, descriptions of the RH were reviewed. RESULTS Our initial search yielded 514 results. Forty-three articles met our inclusion criteria. We identified 3 children with RH within the AHT usual age range (<5 years old), ages 5 weeks and 7 weeks old, in the setting of thrombophilia. One child had ocular findings that could potentially mimic abuse. No other indicators of abuse were present in this case. CONCLUSIONS Based on previous reports, thrombophilia alone has not been shown to clearly mimic abusive head trauma. In reported cases of thrombophilia with RH, the clinical picture and ophthalmic findings are usually distinct from abuse.
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Affiliation(s)
- Avrey Thau
- Thomas Jefferson University, Philadelphia, PA, USA; Department of Pediatric Ophthalmology and Ocular Genetics, Wills Eye Hospital, Philadelphia, PA, USA
| | - Brooke Saffren
- Philadelphia College of Osteopathic Medicine, Philadelphia, PA, USA
| | - James D Anderst
- Division of Child Adversity and Resilience, Children's Mercy Hospital, Kansas City, MO, USA
| | - Shannon L Carpenter
- Department of Hematology, Oncology, and Bone Marrow Transplantation, Children's Mercy Hospital, Kansas City, MO, USA
| | - Alex V Levin
- Thomas Jefferson University, Philadelphia, PA, USA; Department of Pediatric Ophthalmology and Ocular Genetics, Wills Eye Hospital, Philadelphia, PA, USA.
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22
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Evolutionary insights into coagulation factor IX Padua and other high-specific-activity variants. Blood Adv 2021; 5:1324-1332. [PMID: 33656538 DOI: 10.1182/bloodadvances.2019000405] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Accepted: 01/20/2021] [Indexed: 12/14/2022] Open
Abstract
The high-specific-activity factor IX (FIX) variant Padua (R338L) is the most promising transgene for hemophilia B (HB) gene therapy. Although R338 is strongly conserved in mammalian evolution, amino acid substitutions at this position are underrepresented in HB databases. We therefore undertook a complete 20 amino acid scan and determined the specific activity of human (h) and canine (c) FIX variants with every amino acid substituted at position 338. Notably, we observe that hFIX-R338L is the most active variant and cFIX-R338L is sevenfold higher than wild-type (WT) cFIX. This is consistent with the previous identification of hFIX-R338L as a cause of a rare X-linked thrombophilia risk factor. Moreover, WT hFIX and cFIX are some of the least active variants. We confirmed the increased specific activity relative to FIX-WT in vivo of a new variant, cFIX-R338I, after gene therapy in an HB dog. Last, we screened 232 pediatric subjects with thromboembolic disease without identifying F9 R338 variants. Together these observations suggest a surprising evolutionary pressure to limit FIX activity with WT FIX rather than maximize FIX activity.
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23
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Liu X, Chen Y, Ye C, Xing D, Wu R, Li F, Chen L, Wang T. Hereditary thrombophilia and recurrent pregnancy loss: a systematic review and meta-analysis. Hum Reprod 2021; 36:1213-1229. [PMID: 33575779 DOI: 10.1093/humrep/deab010] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Revised: 12/31/2020] [Indexed: 11/12/2022] Open
Abstract
STUDY QUESTION Is there an association between hereditary thrombophilia in pregnant women and risk of recurrent pregnancy loss (RPL)? SUMMARY ANSWER Pregnant women with hereditary thrombophilia have an increased risk of RPL, especially for pregnant women with the G1691A mutation of the factor V Leiden (FVL) gene, the G20210A mutation of the prothrombin gene (PGM), and deficiency of protein S (PS). WHAT IS KNOWN ALREADY Prior studies have suggested that pregnant women with hereditary thrombophilia have a higher risk of RPL, however, the results are inconsistent; furthermore, a complete overview is missing. This lack of information is an obstacle to the risk assessment of RPL in pregnant women with hereditary thrombophilia. A comprehensive meta-analysis on the relation between hereditary thrombophilia and the risk of RPL is needed. STUDY DESIGN, SIZE, DURATION A systematic review and meta-analysis was performed using observational studies published in English before 1 April 2020 to evaluate the relation between hereditary thrombophilia and risk of RPL. PARTICIPANTS/MATERIALS, SETTING, METHODS Relevant studies were identified from PubMed, Web of Science, and EMBASE searches and complemented with perusal of bibliographies of retrieved articles. The exposure of interest was hereditary thrombophilia, including FVL mutation, PGM, deficiency of antithrombin (AT), deficiency of protein C (PC), and deficiency of PS. The overall risk estimates were pooled using random effects models. Subgroup and sensitivity analyses were carried out to explore possible sources of heterogeneity and assess the robustness of the results. MAIN RESULTS AND THE ROLE OF CHANCE A total of 89 studies involving 30 254 individuals were included. Results showed that women with FVL mutation (odds ratio (OR): 2.44, 95% CI: 1.96-3.03), PGM (OR: 2.08, 95% CI: 1.61-2.68), or deïŹciency of PS (OR: 3.45, 95% CI: 1.15-10.35) had higher risks of developing RPL. Compared with the reference group, there was no observed relation between a deïŹciency in AT or PC and RPL (all Pâ>â0.05). Heterogeneity in the risk estimates of RPL was partially explained by geographic region, definitions of RPL, types of RPL, and controlled confounders. Sensitivity analyses validated the robustness of the findings. LIMITATIONS, REASONS FOR CAUTION Only 39 of the included studies controlled for one or more confounders, and the heterogeneity across all included studies was high. Based on the data available, we cannot determine whether this association is confounded by other potential risk factors of RPL. WIDER IMPLICATIONS OF THE FINDINGS This systematic review and meta-analysis show a possible association between hereditary thrombophilia and an increased risk of RPL, suggesting that testing for hereditary thrombophilia should be considered in individuals with RPL. STUDY FUNDING/COMPETING INTEREST(S) The study was funded by the Hunan Provincial Key Research and Development Program (Grant number: 2018SK2062) and National Natural Science Foundation Program (Grant number: 81973137). There are no conflicts of interest. REGISTRATION NUMBER N/A.
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Affiliation(s)
- Xiaoling Liu
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Hunan 410078, China
| | - Yan Chen
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Hunan 410078, China
| | - Changxiang Ye
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Hunan 410078, China
| | - Dexiu Xing
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Hunan 410078, China
| | - Rong Wu
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Hunan 410078, China
| | - Fang Li
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Hunan 410078, China
| | - Lizhang Chen
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Hunan 410078, China.,Hunan Provincial Key Laboratory of Clinical Epidemiology, Changsha, Hunan 410078, China
| | - Tingting Wang
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Hunan 410078, China.,National Health Commission Key Laboratory for Birth Defect Research and Prevention, Hunan Provincial Maternal and Child Health Care Hospital, Hunan 410008, China
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24
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Alidoost M, Conte GA, Gupta V, Patel S, Patel I, Shariff M, Gor S, Levitt MJ, Asif A, Hossain MA. Trends of Ordering Hypercoagulability Work-Up at an Academic Medical Center. J Blood Med 2021; 12:369-376. [PMID: 34093048 PMCID: PMC8169049 DOI: 10.2147/jbm.s271478] [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: 07/17/2020] [Accepted: 12/01/2020] [Indexed: 12/03/2022] Open
Abstract
Background Venous thromboembolism is a significant clinical event, with an annual incidence of 1â2 per 1000 population. Risk factors include recent surgery, prolonged immobility, oral contraceptive use, and active cancer. Inherited risks include protein C and S deficiencies, antithrombin deficiency, factor V Leiden mutation and prothrombin. These factors can be tested to guide therapy, but current evidence suggests that testing for inherited thrombophilia is not recommended in most inpatient settings. In the era of high value care, hypercoagulable testing for VTE creates a financial burden for the hospital and patients. We performed a retrospective chart review of hypercoagulable orders on VTE patients at our institution. Methods Institutional Review Board approval was obtained. A total of 287 adult patients admitted over a 3-month period with the diagnosis of VTE were included. Patients were identified via ICD-10 codes and data were collected from electronic medical records. Patient characteristics, provoked versus unprovoked VTE, and relative contraindications for hypercoagulability work-up were analyzed. Our primary outcome was to assess the appropriateness of thrombophilia testing in VTE patients based on screening guidelines. Our secondary outcome was to analyze the cost burden of ordering these tests. Results A total of 287 patients were included in our data analysis. Patient risk factors for VTE were malignancy, previous DVT, immobilization, surgery 3 months prior, and central line placement. Fifty-seven of 287 patients had at least one hypercoagulable test ordered during hospitalization which did not adhere to guidelines. Misuse of testing occurred during active thrombosis, active anticoagulation, presence of risk factors, first episode of VTE, and malignancy. The cost of ordering these 5 thrombophilia tests totaled over $40,000. Conclusion In our study, numerous patients were tested without compliance to standard recommendations, which created financial and value-based burdens on our health care system. Increased awareness among clinicians is thus warranted to ensure high value care.
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Affiliation(s)
- Marjan Alidoost
- Department of Medicine, Jersey Shore University Medical Center, Hackensack Meridian Health, Neptune, New Jersey, 07753, USA
| | - Gabriella A Conte
- Department of Medicine, Jersey Shore University Medical Center, Hackensack Meridian Health, Neptune, New Jersey, 07753, USA
| | - Varsha Gupta
- Department of Medicine, Jersey Shore University Medical Center, Hackensack Meridian Health, Neptune, New Jersey, 07753, USA
| | - Swapnil Patel
- Department of Medicine, Jersey Shore University Medical Center, Hackensack Meridian Health, Neptune, New Jersey, 07753, USA
| | - Ishan Patel
- Department of Medicine, Jersey Shore University Medical Center, Hackensack Meridian Health, Neptune, New Jersey, 07753, USA
| | - Mohammed Shariff
- Department of Medicine, Jersey Shore University Medical Center, Hackensack Meridian Health, Neptune, New Jersey, 07753, USA
| | - Shreya Gor
- Department of Medicine, Jersey Shore University Medical Center, Hackensack Meridian Health, Neptune, New Jersey, 07753, USA
| | - Michael J Levitt
- Department of Medicine, Jersey Shore University Medical Center, Hackensack Meridian Health, Neptune, New Jersey, 07753, USA
| | - Arif Asif
- Department of Medicine, Jersey Shore University Medical Center, Hackensack Meridian Health, Neptune, New Jersey, 07753, USA
| | - Mohammad A Hossain
- Department of Medicine, Jersey Shore University Medical Center, Hackensack Meridian Health, Neptune, New Jersey, 07753, USA
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25
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Goumidi L, Thibord F, Wiggins KL, Li-Gao R, Brown MR, van Hylckama Vlieg A, Souto JC, Soria JM, Ibrahim-Kosta M, Saut N, Daian D, Olaso R, Amouyel P, Debette S, Boland A, Bailly P, Morrison AC, Mook-Kanamori DO, Deleuze JF, Johnson A, de Vries PS, Sabater-Lleal M, Chiaroni J, Smith NL, Rosendaal FR, Chasman DI, Trégouët DA, Morange PE. Association between ABO haplotypes and the risk of venous thrombosis: impact on disease risk estimation. Blood 2021; 137:2394-2402. [PMID: 33512453 PMCID: PMC8085481 DOI: 10.1182/blood.2020008997] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Accepted: 12/29/2020] [Indexed: 12/24/2022] Open
Abstract
Genetic risk score (GRS) analysis is a popular approach to derive individual risk prediction models for complex diseases. In venous thrombosis (VT), such type of analysis shall integrate information at the ABO blood group locus, which is one of the major susceptibility loci. However, there is no consensus about which single nucleotide polymorphisms (SNPs) must be investigated when properly assessing association between ABO locus and VT risk. Using comprehensive haplotype analyses of ABO blood group tagging SNPs in 5425 cases and 8445 controls from 6 studies, we demonstrate that using only rs8176719 (tagging O1) to correctly assess the impact of ABO locus on VT risk is suboptimal, because 5% of rs8176719-delG carriers do not have an increased risk of developing VT. Instead, we recommend the use of 4 SNPs, rs2519093 (tagging A1), rs1053878 (A2), rs8176743 (B), and rs41302905 (O2), when assessing the impact of ABO locus on VT risk to avoid any risk misestimation. Compared with the O1 haplotype, the A2 haplotype is associated with a modest increase in VT risk (odds ratio, âŒ1.2), the A1 and B haplotypes are associated with an âŒ1.8-fold increased risk, whereas the O2 haplotype tends to be slightly protective (odds ratio, âŒ0.80). In addition, although the A1 and B blood groups are associated with increased von Willebrand factor and factor VIII plasma levels, only the A1 blood group is associated with ICAM levels, but in an opposite direction, leaving additional avenues to be explored to fully understand the spectrum of biological effects mediated by ABO locus on cardiovascular traits.
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Affiliation(s)
- Louisa Goumidi
- Aix Marseille University, INSERM, Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement (INRAE), Centre de Recherche en CardioVasculaire et Nutrition, Marseille, France
| | - Florian Thibord
- INSERM U1219, Bordeaux Population Health Research Center, University of Bordeaux, Bordeaux, France
- Laboratory of Excellence (LabEx) Genomique MĂ©dicale, Evry, France
- Population Sciences Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Framingham, MA
- The Framingham Heart Study, Framingham, MA
| | - Kerri L Wiggins
- Cardiovascular Health Research Unit, Department of Medicine, University of Washington, Seattle, WA
| | - Ruifang Li-Gao
- Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands
| | - Mickael R Brown
- Human Genetics Center, Department of Epidemiology, Human Genetics and Environmental Sciences, School of Public Health, University of Texas Health Science Center at Houston, Houston, TX
| | | | - Joan-Carles Souto
- Thrombosis and Hemostasis Research Group, Sant Pau Institute of Biomedical Research (IIB Sant Pau), Barcelona, Spain
- Unit of Hemostasis and Thrombosis, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
| | - José-Manuel Soria
- Unit of Genomic of Complex Disease, Institut de Recerca Hospital de la Sant Creu i Sant Pau, IIB Sant Pau, Barcelona, Spain
| | - Manal Ibrahim-Kosta
- Aix Marseille University, INSERM, Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement (INRAE), Centre de Recherche en CardioVasculaire et Nutrition, Marseille, France
- Hematology Laboratory, La Timone University Hospital of Marseille, Marseille, France
| | - Noémie Saut
- Aix Marseille University, INSERM, Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement (INRAE), Centre de Recherche en CardioVasculaire et Nutrition, Marseille, France
- Hematology Laboratory, La Timone University Hospital of Marseille, Marseille, France
| | - Delphine Daian
- Laboratory of Excellence (LabEx) Genomique MĂ©dicale, Evry, France
- Université Paris-Saclay, Commissariat à l'Energie Atomique, Centre National de Recherche en Génomique Humaine, Evry, France
| | - Robert Olaso
- Laboratory of Excellence (LabEx) Genomique MĂ©dicale, Evry, France
- Université Paris-Saclay, Commissariat à l'Energie Atomique, Centre National de Recherche en Génomique Humaine, Evry, France
| | - Philippe Amouyel
- Lille University, INSERM, Institut Pasteur de Lille, Facteurs de Risque et Déterminants Moléculaires des Maladies Liées au Vieillissement (RID-AGE), LabEx Development of Innovative Strategies for a Transdisciplinary Approach to Alzheimer's Disease (DISTALZ), Lille, France
- Lille University, INSERM, Centre Hospitalier Universitaire (CHU) Lille, Institut Pasteur de Lille, RID-AGE, Lille, France
| | - Stéphanie Debette
- INSERM U1219, Bordeaux Population Health Research Center, University of Bordeaux, Bordeaux, France
- Department of Neurology, CHU de Bordeaux, Bordeaux, France
| | - Anne Boland
- Laboratory of Excellence (LabEx) Genomique MĂ©dicale, Evry, France
- Université Paris-Saclay, Commissariat à l'Energie Atomique, Centre National de Recherche en Génomique Humaine, Evry, France
| | - Pascal Bailly
- Etablissement Français du Sang Provence-Alpes-CÎte d'Azur-Corse "Biologie des Groupes Sanguins," Marseille, France
- Aix Marseille University, Etablissement Français du Sang, Centre National pour la Recherche Scientifique, Anthropologie Bio-Culturelle, Droit, Ethique et Santé, "Biologie des Groupes Sanguins," Marseille, France
| | - Alanna C Morrison
- Human Genetics Center, Department of Epidemiology, Human Genetics and Environmental Sciences, School of Public Health, University of Texas Health Science Center at Houston, Houston, TX
| | - Denis O Mook-Kanamori
- Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands
| | - Jean-François Deleuze
- Laboratory of Excellence (LabEx) Genomique MĂ©dicale, Evry, France
- Université Paris-Saclay, Commissariat à l'Energie Atomique, Centre National de Recherche en Génomique Humaine, Evry, France
- Centre d'Etude du Polymorphisme Humain, Fondation Jean Dausset, Paris, France
| | - Andrew Johnson
- Population Sciences Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Framingham, MA
- The Framingham Heart Study, Framingham, MA
| | - Paul S de Vries
- Human Genetics Center, Department of Epidemiology, Human Genetics and Environmental Sciences, School of Public Health, University of Texas Health Science Center at Houston, Houston, TX
| | - Maria Sabater-Lleal
- Genomics of Complex Diseases, Research Institute of Hospital de la Santa Creu i Sant Pau, IIB Sant Pau, Barcelona, Spain
- Cardiovascular Medicine Unit, Department of Medicine, Karolinska Institutet, Center for Molecular Medicine, Karolinska University Hospital, Stockholm, Sweden
| | - Jacques Chiaroni
- Etablissement Français du Sang Provence-Alpes-CÎte d'Azur-Corse "Biologie des Groupes Sanguins," Marseille, France
- Aix Marseille University, Etablissement Français du Sang, Centre National pour la Recherche Scientifique, Anthropologie Bio-Culturelle, Droit, Ethique et Santé, "Biologie des Groupes Sanguins," Marseille, France
| | - Nicholas L Smith
- Department of Epidemiology, University of Washington, Seattle, WA
- Kaiser Permanente Washington Health Research Unit, Kaiser Permanente Washington, Seattle, WA
- Seattle Epidemiologic Research and Information Center, Department of Veterans Affairs Office of Research and Development, Seattle, WA
| | - Frits R Rosendaal
- Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands
| | - Daniel I Chasman
- Division of Preventive Medicine, Brigham and Women's Hospital, Boston, MA; and
- Department of Medicine, Harvard Medical School, Boston, MA
| | - David-Alexandre Trégouët
- INSERM U1219, Bordeaux Population Health Research Center, University of Bordeaux, Bordeaux, France
- Laboratory of Excellence (LabEx) Genomique MĂ©dicale, Evry, France
| | - Pierre-Emmanuel Morange
- Aix Marseille University, INSERM, Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement (INRAE), Centre de Recherche en CardioVasculaire et Nutrition, Marseille, France
- Laboratory of Excellence (LabEx) Genomique MĂ©dicale, Evry, France
- Hematology Laboratory, La Timone University Hospital of Marseille, Marseille, France
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26
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Benhamou Y, Delluc A, Mauge L, Fischer AM, Sanchez O. [Which aetiological investigations to undertake during the progress of PE/DVT?]. Rev Mal Respir 2021; 38 Suppl 1:e90-e98. [PMID: 33744073 DOI: 10.1016/j.rmr.2019.05.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- Y Benhamou
- Service de médecine interne, CHU Charles-Nicolle, Normandie université UNI Rouen U1096, 76000 Rouen, France
| | - A Delluc
- F-CRIN INNOVTE, 42055 St-Ătienne cedex 2, France; EA 3878 GETBO, universitĂ© de Bretagne occidentale, 29200 Brest, France
| | - L Mauge
- UMR-S 970, PARCC (Paris-Cardiovascular Research Center), service d'hématologie biologique, hÎpital européen Georges-Pompidou, Assistance publique HÎpitaux de Paris, université Paris Descartes, Sorbonne Paris cité, 75015 Paris, France
| | - A-M Fischer
- F-CRIN INNOVTE, 42055 St-Ătienne cedex 2, France; Service d'hĂ©matologie biologique hĂŽpital europĂ©en Georges-Pompidou, Assistance publique des hĂŽpitaux de Paris, universitĂ© Paris Descartes, Sorbonne Paris citĂ©, 75015 Paris, France
| | - O Sanchez
- F-CRIN INNOVTE, 42055 St-Ătienne cedex 2, France; Inserm UMRS 1140, service de pneumologie et de soins intensifs, hĂŽpital europĂ©en Georges-Pompidou, Assistance publique des HĂŽpitaux de Paris, universitĂ© Paris Descartes, Sorbonne Paris citĂ©, 75015 Paris, France.
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27
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Vandeput AS, Brijs K, De Kock L, Janssens E, Peeters H, Verhamme P, Politis C. Maxillofacial and oral surgery in patients with thrombophilia: safe territory for the oral surgeon? A single-center retrospective study. Oral Surg Oral Med Oral Pathol Oral Radiol 2021; 132:514-522. [PMID: 34030997 DOI: 10.1016/j.oooo.2021.03.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Revised: 01/25/2021] [Accepted: 03/02/2021] [Indexed: 10/22/2022]
Abstract
OBJECTIVE The aim of this study was to analyze patients with thrombophilia who underwent oral and/or maxillofacial surgery at our center. STUDY DESIGN We performed a retrospective analysis of patients with hereditary or acquired thrombophilia who had undergone oral/maxillofacial surgery between January 1, 2000 and December 31, 2019. Data regarding demographic and patient characteristics, surgical treatment modalities, antithrombotic therapies, and complications were analyzed. RESULTS A total of 76 eligible patients (26 male, 50 female) were included in this study, with a mean follow-up period of 3.8 months (range, 0-51 months). The mean age at time of surgery was 44.7 ± 19.4 years. Seven different hereditary and acquired thrombophilia were identified: factor V Leiden (n = 31; 40.8%), prothrombin G20210A mutation (n = 5; 6.6%), protein C deficiency (n = 4; 5.3%), protein S deficiency (n = 11; 14.5%), antiphospholipid syndrome (n = 10; 13.2%), hyperhomocysteinemia (n = 8; 10.5%), and elevated factor VIII (n = 2; 2.6%). Complications occurred in 9 patients (11.8%) and included postoperative infections (n = 6; 7.9%) and postoperative bleeding (n = 3; 3.9%). CONCLUSION Our data suggest that oral and/or maxillofacial surgery in patients with a confirmed diagnosis of thrombophilia is not associated with a burden of thrombosis or high complication rates. Furthermore, we formulated a guideline for preoperative antithrombotic therapy for patients with thrombophilia undergoing oral and/or maxillofacial surgery.
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Affiliation(s)
- An-Sofie Vandeput
- Department of Oral and Maxillofacial Surgery, University Hospitals Leuven, Leuven, Belgium.
| | - Katrien Brijs
- Department of Oral and Maxillofacial Surgery, University Hospitals Leuven, Leuven, Belgium
| | - Lisa De Kock
- Department of Oral and Maxillofacial Surgery, University Hospitals Leuven, Leuven, Belgium
| | - Elien Janssens
- Department of Oral and Maxillofacial Surgery, University Hospitals Leuven, Leuven, Belgium
| | - Hilde Peeters
- Centre for Human Genetics, University Hospitals Leuven, Leuven, Belgium
| | - Peter Verhamme
- Department of Vascular Medicine and Haemostasis, University Hospitals Leuven, Leuven, Belgium
| | - Constantinus Politis
- Department of Oral and Maxillofacial Surgery, University Hospitals Leuven, Leuven, Belgium
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28
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Abstract
Clinical thrombophilia is the consequence of multiple gene and/or environment interactions. Thrombophilia screening requires a targeted patient with specific indication, in which a finding would have implications. Carrying out a thrombophilia examination in the physician's practice is often a cause of uncertainty and concern. The concerns begin in choosing the right patient to be examined, are associated with the time of investigation, with the choice of analysis, the test-material and with the correct interpretation of the results. Difficulties, which can influence the results, can occur with both organization and blood sampling. As common for any analysis, pre-analytical, analytical and post-analytical factors should be considered, as well as the possibility of false positive or false negative results. Finally, recommendation of correct therapeutic and prophylactic measures for the patient and his relatives is an additional focus. In this article we want to provide-on the basis of the evidence and personal experience-the theory of thrombophilia-investigation, the indications for testing, as well as practical recommendations for treatment options.
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Affiliation(s)
- Giuseppe Colucci
- Faculty of Medicine, University of Basel, Basel, Switzerland. .,Service of Hematology, Clinica Luganese Moncucco, Via Moncucco 10, 6900, Lugano, Switzerland.
| | - Dimitrios A Tsakiris
- Faculty of Medicine, University of Basel, Basel, Switzerland.,Diagnostic Hematology, Department of Hematology, University Hospital Basel, Basel, Switzerland
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29
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Affiliation(s)
- Jamie Shoag
- Holtz Children's Hospital, Jackson Memorial Medical Center, Miami, FL.,Division of Pediatric Hematology-Oncology, University of Miami-Miller School of Medicine, Miami, FL
| | - Joanna A Davis
- University of Miami - Hemophilia Treatment Center, Miami, FL
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30
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Kakkos SK, Gohel M, Baekgaard N, Bauersachs R, Bellmunt-Montoya S, Black SA, Ten Cate-Hoek AJ, Elalamy I, Enzmann FK, Geroulakos G, GottsÀter A, Hunt BJ, Mansilha A, Nicolaides AN, Sandset PM, Stansby G, Esvs Guidelines Committee, de Borst GJ, Bastos Gonçalves F, Chakfé N, Hinchliffe R, Kolh P, Koncar I, Lindholt JS, Tulamo R, Twine CP, Vermassen F, Wanhainen A, Document Reviewers, De Maeseneer MG, Comerota AJ, Gloviczki P, Kruip MJHA, Monreal M, Prandoni P, Vega de Ceniga M. Editor's Choice - European Society for Vascular Surgery (ESVS) 2021 Clinical Practice Guidelines on the Management of Venous Thrombosis. Eur J Vasc Endovasc Surg 2020; 61:9-82. [PMID: 33334670 DOI: 10.1016/j.ejvs.2020.09.023] [Citation(s) in RCA: 266] [Impact Index Per Article: 66.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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31
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Jilma-Stohlawetz P, Lysy K, Sunder-Plassmann R, Belik S, Jilma B, Pabinger I, Quehenberger P. Limitations of a calibrated, quantitative APC-R assay under routine conditions. Int J Lab Hematol 2020; 43:318-323. [PMID: 33131213 DOI: 10.1111/ijlh.13378] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 09/10/2020] [Accepted: 10/03/2020] [Indexed: 11/28/2022]
Abstract
INTRODUCTION The aim of this study was to evaluate the Hemoclot Quanti. V-L assay in various clinical conditions. METHODS We compared the Hemoclot Quanti.V-L assay with DNA testing and with the Pefakit assay in 60 normal (no mutation) vs carriers of the factor V (FV) Leiden mutation (56 heterozygous and three homozygous). We further investigated the interference of lupus anticoagulant on test results in normal and heterozygous individuals and of direct oral anticoagulants (DOACs) at trough and peak levels. Additionally, DOAC-Remove was tested in samples containing DOACs at peak levels. We further evaluated the influence of FV deficiency on this quantitative assay. RESULTS There was a 100% agreement between the Quant. V-L assay and DNA testing in 60 normal individuals. However, 1.85% of heterozygous and 33% of homozygous samples were falsely classified with the quantitative assay, and no misclassification was observed with the Pefakit assay. Lupus anticoagulant did not influence the test results of the quantitative assay. DOACs also interfered with test results in heterozygous patients, but this effect was prevented with the DOAC-Remove procedure. Even mild FV deficiency affected the test results of the quantitative assay in heterozygous patients leading either to misclassification or the need for subsequent PCR testing. CONCLUSION The quantitative FV-L assay has several limitations, especially FV deficiency and the presence of DOACs have to be ruled out before running this quantitative assay.
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Affiliation(s)
| | - Katharina Lysy
- Department of Laboratory Medicine, Medical University of Vienna, Vienna, Austria
| | | | - Sabine Belik
- Department of Laboratory Medicine, Medical University of Vienna, Vienna, Austria
| | - Bernd Jilma
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
| | - Ingrid Pabinger
- Division of Haematology and Haemostaseology, Department of Medicine I, Medical University of Vienna, Vienna, Austria
| | - Peter Quehenberger
- Department of Laboratory Medicine, Medical University of Vienna, Vienna, Austria
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Lassandro G, Palmieri VV, Palladino V, Amoruso A, Faienza MF, Giordano P. Venous Thromboembolism in Children: From Diagnosis to Management. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17144993. [PMID: 32664502 PMCID: PMC7400059 DOI: 10.3390/ijerph17144993] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 06/24/2020] [Accepted: 07/07/2020] [Indexed: 02/07/2023]
Abstract
Venous thromboembolism (VTE) in children is a rare occurrence, although in recent decades we have seen an increase due to several factors, such as the rise in survival of subjects with chronic conditions, the use of catheters, and the increased sensitivity of diagnostic tools. Besides inherited thrombophilia, acquired conditions such as cardiovascular diseases, infections, chronic disorders, obesity and malignancy are also common risk factors for paediatric VTE. The treatment of paediatric VTE consists of the use of heparins and/or vitamin K antagonists to prevent dissemination, embolization, and secondary VTE. Randomized clinical trials of direct oral anticoagulants in paediatric VTE are ongoing, with the aim to improve the compliance and the care of patients. We reviewed the physiological and pathological mechanisms underlying paediatric thrombosis and updated the current diagnosis and treatment options.
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33
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How I treat patients with hereditary antithrombin deficiency. Blood 2020; 134:2346-2353. [PMID: 31697819 DOI: 10.1182/blood.2019002927] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Accepted: 10/16/2019] [Indexed: 11/20/2022] Open
Abstract
Genetic predispositions to venous thromboembolism (VTE) are relatively frequent in the general population and comprise a heterogeneous group of disorders. Whereas the most frequent congenital risk factors for thrombosis only moderately increase the risk, a deficiency in antithrombin (AT), one of the most important natural inhibitors of blood coagulation, carries a higher risk. Congenital AT deficiency is an infrequently encountered genetic risk factor for VTE, and different subtypes vary with regard to their thrombotic risk. Patients with congenital AT deficiency, especially those with quantitative deficiency (type 1), may develop thrombosis early in life and often have a conspicuous family history of first- and second-degree relatives with VTE. Women are particularly affected because of the risk potentiation by combined estrogen/progestogen oral contraceptive use or pregnancy. The lack of controlled trials or even observational studies of large cohorts does not allow therapeutic decisions to be based on scientific evidence. In this review, we will discuss cases with thrombotic manifestations and the tailored management of patients with this congenital thrombosis risk factor.
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Comparison between thrombophilic gene polymorphisms among high risk patients. ROMANIAN JOURNAL OF INTERNAL MEDICINE 2020; 58:20-26. [DOI: 10.2478/rjim-2019-0021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Indexed: 11/20/2022] Open
Abstract
Abstract
Introduction. The purpose of this study was to compare the role of the thrombophilic variants among two groups of high risk patients with vascular disorders and recurrent pregnancy loss.
Methods. 200 patients, including 76 with thrombotic accidents and 124 with two or more idiopathic recurrent miscarriage during the first trimester, were tested for the presence of Factor V (F V) Leiden G1691A, Factor II (F II) G20210A, plasminogen activator inhibitor (PAI) 4G/5G, and methylenetetrahydrofolate reductase (MTHFR) C677T polymorphisms using Real time polymerase chain reaction (RT â PCR) in the Laboratory of Medical Genetics, Varna, Bulgaria between June 2016 and May 2019. Frequencies of thrombophilic gene polymorphisms were compared among the two populations and to the expected genotype frequencies.
Results. Individuals with a history of vascular disorders had a significantly higher frequency of F V Leiden variant compared to women with recurrent miscariage. There was no statistical difference between the analyzed patients for the other three thrombophilic polymorphisms. The allelic frequencies and the expected genotype frequencies of the F V, F II and MTHFR polymorphisms were calculated according to Hardy-Weinberg equilibrium. The percentages of the homozygotes for F V and F II were higher than expected in the two groups of patients. For the MTHFR there was no difference.
Conclusion. F V Leiden remains the strongest risk factor for vascular disorders and recurrent pregnancy loss. Screening for this variant should be recommended to patients with thrombotic accidents and women with repeated miscarriage. The role of F II, PAI and MTHFR remains controversial.
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An exceptional case of severe combined inherited thrombophilia successfully treated with rivaroxaban. Blood Coagul Fibrinolysis 2020; 31:279-282. [PMID: 32108680 DOI: 10.1097/mbc.0000000000000904] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
: We herein report the case of a young patient who presented with premature thromboembolic venous disease secondary to combined heterozygous G20210A prothrombin mutation, dual homozygosity for Factor V Leiden, and severe protein S deficiency. This association has never been reported to date and is likely to be exceptional, even in populations wherein these thrombophilia traits are more common. Long-term antithrombotic prophylaxis with rivaroxaban has proven successful in preventing clinical recurrence under prolonged treatment.
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Abstract
: The role of genetic thrombophilia screening for identifying a hypercoagulable state in the management of venous thromboembolism. We searched MEDLINE and EMBASE from 1995 to 2017, the websites of the professional bodies including American Society of Hematology, British Society of Hematology, International Society of Thrombosis and Hemostasis, College of American Pathologists, American College of Medical Genetics, and American Society of obstetrics and gynecology for their clinical practice guidelines. We used search strategy terms - venous thromboembolism, inherited, thrombophilia, and hypercoagulable state. Thrombophilia screening does not alter management in pregnancy, infertility, recurrent miscarriages, in primary occlusive arterial syndromes, and for primary prevention in relatives of venous thromboembolism patients considering hormonal manipulation including oral contraceptives. Routine thrombophilia screening for identifying a hypercoagulable state is not indicated in venous thromboembolism, as it is only useful in a select group of patients. There is no difference in the treatment of venous thromboembolism in patients with or without an inherited hypercoagulable state.
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37
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Connors JM, Middeldorp S. Transgender patients and the role of the coagulation clinician. J Thromb Haemost 2019; 17:1790-1797. [PMID: 31465627 DOI: 10.1111/jth.14626] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Accepted: 08/26/2019] [Indexed: 11/29/2022]
Abstract
The medical care of transgender patients relies on the use of sex hormones to develop and maintain the physical characteristics consistent with gender identity as the first step in transitioning. Hormonal therapy is usually continued indefinitely, even following gender-affirming surgeries. The use of hormonal treatments is associated with a multitude of positive effects as well as complications and side effects. The risk of venous thromboembolism (VTE) is a major concern. Transgender patients are often referred to coagulation specialists for advice regarding an individual patient's risk for VTE, especially if there is a personal or family history of VTE. Coagulation specialists need to be familiar with endocrine therapy including the goals of treatment and the VTE risks associated with currently used hormone regimens. We will review common referral questions and the available data and their limitations for the use of hormonal therapy in transgender patients focusing on the risk of VTE.
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Affiliation(s)
- Jean M Connors
- Hematology Division, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Saskia Middeldorp
- Department of Vascular Medicine, Amsterdam Cardiovascular Sciences, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
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38
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Selby R, Elbaz C. No resistance to activated protein C resistance-but choose wisely. J Thromb Haemost 2019; 17:1443-1445. [PMID: 31479192 DOI: 10.1111/jth.14569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Accepted: 07/03/2019] [Indexed: 08/31/2023]
Affiliation(s)
- Rita Selby
- Laboratory Medicine Program, University Health Network, University of Toronto, Toronto, Ontario, Canada
- Department of Laboratory Medicine and Molecular Diagnostics, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada
| | - Carolyne Elbaz
- Alexandra Yeo Fellow in Thrombosis and Hemostasis, University of Toronto, Toronto, Ontario, Canada
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Nascimento CMDB, Machado AMN, Guerra JCDC, Zlotnik E, CampĂȘlo DHC, Kauffman P, Waksman H, Wolosker N, Podgaec S, Hamerschlak N. Consensus on the investigation of thrombophilia in women and clinical management. EINSTEIN-SAO PAULO 2019; 17:eAE4510. [PMID: 31432891 PMCID: PMC6707753 DOI: 10.31744/einstein_journal/2019ae4510] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Accepted: 01/21/2019] [Indexed: 12/04/2022] Open
Abstract
Objective To standardize the investigation and clinical management of women with laboratory and/or clinical abnormalities suggestive of thrombophilia, in order to optimize antithrombotic approach and indication of laboratory tests. Methodology A discussion was carried out among 107 physicians (gynecologists/obstetricians, hematologists and vascular surgeons) present at a forum held at the Hospital Israelita Albert Einstein, in SĂŁo Paulo (SP), Brazil. As a minimum criterion, 80% agreement was established in the voting to each recommendation of conduct in the final document. The cases in which there was agreement below 80% were discussed again, reaching a consensual agreement of conduct for the document writing. Conclusion The standardization of an institutional consensus of suggestions of clinical approach contributes to a better management of the group to be evaluated and minimizes risks of intercurrent events. This was the first national consensus on the investigation of thrombophilia in women.
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Affiliation(s)
| | | | | | | | | | - Paulo Kauffman
- Hospital das ClĂnicas, Faculdade de Medicina, Universidade de SĂŁo Paulo, SĂŁo Paulo, SP, Brazil
| | - Hilton Waksman
- Hospital Israelita Albert Einstein, SĂŁo Paulo, SP, Brazil
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Suchon P, Resseguier N, Ibrahim M, Robin A, Venton G, Barthet MC, Brunet D, Saut N, Alessi MC, Trégouët DA, Morange PE. Common Risk Factors Add to Inherited Thrombophilia to Predict Venous Thromboembolism Risk in Families. TH OPEN 2019; 3:e28-e35. [PMID: 31249979 PMCID: PMC6524901 DOI: 10.1055/s-0039-1677807] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Accepted: 12/21/2018] [Indexed: 12/02/2022] Open
Abstract
The clinical venous thromboembolism (VTE) pattern often shows wide heterogeneity within relatives of a VTE-affected family, although they carry the same thrombophilia defect. It is then mandatory to develop additional tools for assessing VTE risk in families with thrombophilia. This study aims to assess whether common environmental and genetic risk factors for VTE contribute to explain this heterogeneity. A total of 2,214 relatives from 651 families with known inherited thrombophilia were recruited at the referral center for thrombophilia in Marseilles, France, from 1986 to 2013. A thrombophilia screening was systematically performed in all included relatives. According to the severity of the thrombophilia defect, individuals were split into three groups: no familial defect, mild thrombophilia, and severe thrombophilia. In addition, common genetic factors (ABO blood group and 11 polymorphisms selected on the basis of their association with VTE in the general population) were genotyped. Furthermore, body mass index and smoking were collected. VTE incidence was 1.74, 3.64, and 6.40 per 1,000 person-years in individuals with no familial defect, mild thrombophilia, and severe thrombophilia, respectively. Five common risk factors were associated with VTE in this population: obesity, smoking, ABO blood group, and
F11
_rs2036914 and
FGG
_rs2066865 polymorphisms. These common factors were then included into a three-level risk score. The score was highly efficient for assessing VTE risk in mild thrombophilia patients by identifying two groups with different VTE risk; individuals with low score had the same risk as individuals with no familial defect whereas individuals with high score had the same risk as individuals with severe thrombophilia. An overall score including the five items plus the thrombophilia status was built and displayed an area under the receiver operating characteristic curve of 0.702 for discriminating VTE and non-VTE relatives. In conclusion, integrating common environmental and genetic risk factors improved VTE risk assessment in relatives from families with thrombophilia.
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Affiliation(s)
- Pierre Suchon
- Laboratory of Haematology, La Timone Hospital, Marseille, France.,C2VN, Aix Marseille University, Marseille, France
| | - Noemie Resseguier
- Support Unit for Clinical Research and Economic Evaluation, Assistance Publique - HĂŽpitaux de Marseille, Marseille, France.,EA3279 Self-perceived Health Assessment Research Unit, Aix-Marseille University, Marseille, France
| | - Manal Ibrahim
- Laboratory of Haematology, La Timone Hospital, Marseille, France.,C2VN, Aix Marseille University, Marseille, France
| | - Alexia Robin
- Laboratory of Haematology, La Timone Hospital, Marseille, France
| | - Geoffroy Venton
- Aix-Marseille Université, TAGC Campus de Luminy, Marseille, France.,Department of Hematology and Cellular Therapy, AP-HM, Conception Hospital, Marseille, France
| | | | - Dominique Brunet
- Laboratory of Haematology, La Timone Hospital, Marseille, France
| | - Noemie Saut
- Laboratory of Haematology, La Timone Hospital, Marseille, France
| | - Marie-Christine Alessi
- Laboratory of Haematology, La Timone Hospital, Marseille, France.,C2VN, Aix Marseille University, Marseille, France
| | - David A Trégouët
- Bordeaux Population Health Research Center, University of Bordeaux, Bordeaux, France
| | - Pierre E Morange
- Laboratory of Haematology, La Timone Hospital, Marseille, France.,C2VN, Aix Marseille University, Marseille, France
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Intagliata NM, Caldwell SH, Tripodi A. Diagnosis, Development, and Treatment of Portal Vein Thrombosis in Patients With and Without Cirrhosis. Gastroenterology 2019; 156:1582-1599.e1. [PMID: 30771355 DOI: 10.1053/j.gastro.2019.01.265] [Citation(s) in RCA: 187] [Impact Index Per Article: 37.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2018] [Revised: 01/11/2019] [Accepted: 01/21/2019] [Indexed: 02/06/2023]
Abstract
Portal vein thrombosis unrelated to solid malignancy is common in patients with cirrhosis, but less frequently observed in patients without cirrhosis. Prompt diagnosis and management of acute symptomatic portal vein thrombosis are essential. Failure to detect and treat thromboses can result in mesenteric ischemia, chronic cavernous transformation, and complications of portal hypertension. In patients with cirrhosis, development of portal vein thrombosis is often insidious and remains undetected until its incidental detection. Management of portal vein thrombosis in patients with cirrhosis is more controversial. However, there are data to support treatment of specific patients with anticoagulation agents. We review the common and distinct features of portal vein thromboses in patients without liver tumors, with and without cirrhosis.
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Affiliation(s)
- Nicolas M Intagliata
- Division of Gastroenterology and Hepatology, University of Virginia Medical CenterCharlottesville, Virginia.
| | - Stephen H Caldwell
- Division of Gastroenterology and Hepatology, University of Virginia Medical CenterCharlottesville, Virginia
| | - Armando Tripodi
- Fondazione Istituto di Ricovero e Cura a Carattere Scientifico CĂ Granda Ospedale Maggiore Policlinico, Angelo Bianchi Bonomi Hemophilia and Thrombosis Center and Fondazione Luigi Villa, Milano, Italy
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42
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Pristipino C, Sievert H, D'Ascenzo F, Mas JL, Meier B, Scacciatella P, Hildick-Smith D, Gaita F, Toni D, Kyrle P, Thomson J, Derumeaux G, Onorato E, Sibbing D, Germonpré P, Berti S, Chessa M, Bedogni F, Dudek D, Hornung M, Zamorano J. European position paper on the management of patients with patent foramen ovale. General approach and left circulation thromboembolism. EUROINTERVENTION 2019; 14:1389-1402. [PMID: 30141306 DOI: 10.4244/eij-d-18-00622] [Citation(s) in RCA: 77] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 09/03/2023]
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Fortea JI, Puente Ă, Ezcurra I, Cuadrado A, Arias-Loste MT, Cabezas J, Llerena S, Iruzubieta P, RodrĂguez-Lope C, Huelin P, Casafont F, FĂĄbrega E, Crespo J. Management of haemostatic alterations and associated disorders in cirrhosis in Spain: A national survey. Dig Liver Dis 2019; 51:95-103. [PMID: 29960901 DOI: 10.1016/j.dld.2018.06.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2018] [Revised: 05/17/2018] [Accepted: 06/01/2018] [Indexed: 12/11/2022]
Abstract
BACKGROUND Knowledge of haematological abnormalities in cirrhosis has greatly improved in recent years. AIMS To evaluate how Spanish Digestive Disease specialists manage haemostatic alterations and associated disorders in patients with cirrhosis. METHODS All members of the Spanish Association for the Study of the Liver and Spanish Society of Digestive Pathology were invited to fill in a web-based questionnaire. RESULTS 135 professionals, 93 hepatologists and 42 non-hepatologists responded to the survey. The concept of rebalanced haemostasis was known by 74.8% of them. Most specialists corrected the INR and thrombocytopenia before invasive procedures with moderate risk of bleeding or major surgery and in severe gastrointestinal bleeding. The threshold of platelets and, especially, INR used to administer blood products varied greatly. Pharmacological prophylaxis of venous thromboembolism prevailed, but it was highly dependent on the INR and platelet figures. Most participants initiated anticoagulation regardless of the degree of portal vein thrombosis, even in patients ineligible for transplantation. In potential candidates, only 56% maintained it indefinitely or until liver transplantation. No major differences between hepatologists and non-hepatologists were found. CONCLUSIONS A significant variability and certain deviation from current guidelines was observed among Spanish Digestive Disease specialists regarding management of haemostatic alterations and associated disorders in cirrhosis.
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Affiliation(s)
- José Ignacio Fortea
- Department of Gastroenterology and Hepatology, Marqués de Valdecilla University Hospital, Santander, Spain; Marqués de Valdecilla Research Institute (IDIVAL), Santander, Spain; CIBER of Hepatic and Digestive Diseases (CIBERehd), Madrid, Spain.
| | - Ăngela Puente
- Department of Gastroenterology and Hepatology, Marqués de Valdecilla University Hospital, Santander, Spain; Marqués de Valdecilla Research Institute (IDIVAL), Santander, Spain; CIBER of Hepatic and Digestive Diseases (CIBERehd), Madrid, Spain
| | - Iranzu Ezcurra
- Department of Gastroenterology and Hepatology, Marqués de Valdecilla University Hospital, Santander, Spain
| | - Antonio Cuadrado
- Department of Gastroenterology and Hepatology, Marqués de Valdecilla University Hospital, Santander, Spain; Marqués de Valdecilla Research Institute (IDIVAL), Santander, Spain; CIBER of Hepatic and Digestive Diseases (CIBERehd), Madrid, Spain
| | - MarĂa Teresa Arias-Loste
- Department of Gastroenterology and Hepatology, Marqués de Valdecilla University Hospital, Santander, Spain; Marqués de Valdecilla Research Institute (IDIVAL), Santander, Spain; CIBER of Hepatic and Digestive Diseases (CIBERehd), Madrid, Spain
| | - JoaquĂn Cabezas
- Department of Gastroenterology and Hepatology, Marqués de Valdecilla University Hospital, Santander, Spain; Marqués de Valdecilla Research Institute (IDIVAL), Santander, Spain; CIBER of Hepatic and Digestive Diseases (CIBERehd), Madrid, Spain
| | - Susana Llerena
- Department of Gastroenterology and Hepatology, Marqués de Valdecilla University Hospital, Santander, Spain; Marqués de Valdecilla Research Institute (IDIVAL), Santander, Spain; CIBER of Hepatic and Digestive Diseases (CIBERehd), Madrid, Spain
| | - Paula Iruzubieta
- Department of Gastroenterology and Hepatology, Marqués de Valdecilla University Hospital, Santander, Spain; Marqués de Valdecilla Research Institute (IDIVAL), Santander, Spain; CIBER of Hepatic and Digestive Diseases (CIBERehd), Madrid, Spain
| | - Carlos RodrĂguez-Lope
- Department of Gastroenterology and Hepatology, Marqués de Valdecilla University Hospital, Santander, Spain; Marqués de Valdecilla Research Institute (IDIVAL), Santander, Spain; CIBER of Hepatic and Digestive Diseases (CIBERehd), Madrid, Spain
| | - Patricia Huelin
- Department of Gastroenterology and Hepatology, Marqués de Valdecilla University Hospital, Santander, Spain; Marqués de Valdecilla Research Institute (IDIVAL), Santander, Spain; CIBER of Hepatic and Digestive Diseases (CIBERehd), Madrid, Spain
| | - Fernando Casafont
- Department of Gastroenterology and Hepatology, Marqués de Valdecilla University Hospital, Santander, Spain; Marqués de Valdecilla Research Institute (IDIVAL), Santander, Spain; CIBER of Hepatic and Digestive Diseases (CIBERehd), Madrid, Spain
| | - Emilio FĂĄbrega
- Department of Gastroenterology and Hepatology, Marqués de Valdecilla University Hospital, Santander, Spain; Marqués de Valdecilla Research Institute (IDIVAL), Santander, Spain; CIBER of Hepatic and Digestive Diseases (CIBERehd), Madrid, Spain
| | - Javier Crespo
- Department of Gastroenterology and Hepatology, Marqués de Valdecilla University Hospital, Santander, Spain; Marqués de Valdecilla Research Institute (IDIVAL), Santander, Spain; CIBER of Hepatic and Digestive Diseases (CIBERehd), Madrid, Spain
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Intagliata NM, Argo CK, Stine JG, Lisman T, Caldwell SH, Violi F. Concepts and Controversies in Haemostasis and Thrombosis Associated with Liver Disease: Proceedings of the 7th International Coagulation in Liver Disease Conference. Thromb Haemost 2018; 118:1491-1506. [PMID: 30060258 PMCID: PMC6202935 DOI: 10.1055/s-0038-1666861] [Citation(s) in RCA: 117] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Accepted: 05/17/2018] [Indexed: 12/12/2022]
Affiliation(s)
- N. M. Intagliata
- Department of Gastroenterology and Hepatology, University of Virginia, Charlottesville, Virginia, United States
| | - C. K. Argo
- Department of Gastroenterology and Hepatology, University of Virginia, Charlottesville, Virginia, United States
| | - J. G. Stine
- Department of Medicine, Penn State Health Milton S. Hershey Medical Center, Hershey, Pennsylvania, United States
| | - T. Lisman
- Department of Surgery, University Medical Centre Groningen, Groningen, The Netherlands
| | - S. H. Caldwell
- Department of Gastroenterology and Hepatology, University of Virginia, Charlottesville, Virginia, United States
| | - F. Violi
- I Clinica Medica, Department of Internal Medicine and Medical Specialties, Sapienza University of Rome, Rome, Italy
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45
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Incidence and risk factors for venous thromboembolism in patients with pretreated advanced pancreatic carcinoma. Oncotarget 2018; 9:16883-16890. [PMID: 29682191 PMCID: PMC5908292 DOI: 10.18632/oncotarget.24721] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Accepted: 02/28/2018] [Indexed: 01/05/2023] Open
Abstract
Patients with pancreatic carcinoma are at an increased risk of venous thromboembolism (VTE), which is a major cause of morbidity and mortality in various types of cancer. The aim of this study was to determine the incidence and clinical significance of VTE in patients with pancreatic carcinoma, and to identify biomarkers for the detection of VTE in these patients. The eligibility criteria were chemo-naĂŻve patients with primary pancreatic carcinoma, an Eastern Cooperative Oncology Group performance status of 0â2, and adequate organ function. All patients were screened for VTE using compression ultrasonography and dynamic computed tomography. The primary endpoint was the incidence of VTE, which we hypothesized would be between 10.0â20.0% for symptomatic and asymptomatic patients combined. Associations between clinical presentation and VTE were evaluated. VTE-associated markers were also investigated for their role in predicting prognosis. In total, 103 patients met the eligibility criteria. The overall cumulative incidence rate of VTE in patients with previously untreated pancreatic carcinoma was 16.5%. VTE occurrence was strongly associated with elevated serum D-dimer, fibrin degradation product, thrombin/antithrombin III complex, and prothrombin fragment 1 + 2 levels. The median overall survival time of VTE-positive and VTE-negative patients was 427 and 515 days, respectively. Approximately one-sixth of patients with advanced pancreatic carcinoma experienced VTE, although most were asymptomatic. Measurement of serum D-dimer, fibrin degradation product, thrombin/antithrombin III complex, and prothrombin fragment 1 + 2 levels may be useful for the early detection of VTE in patients with advanced pancreatic carcinoma.
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Ceccarelli M, Venanzi Rullo E, Nunnari G. Risk factors of venous thrombo-embolism during cytomegalovirus infection in immunocompetent individuals. A systematic review. Eur J Clin Microbiol Infect Dis 2018; 37:381-390. [PMID: 29344839 DOI: 10.1007/s10096-018-3185-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2017] [Accepted: 01/03/2018] [Indexed: 12/18/2022]
Abstract
Most of the effects and complications of cytomegalovirus (CMV) infection are still unknown, even though its tropism for the endothelium has been extensively investigated. In fact, CMV is suspected to be a cause of venous thrombo-embolism (VTE) since 1974, but there is still no consensus about the management of CMV-related thrombosis and how to prevent it. Cytomegalovirus-related thrombosis has been reported mostly in immunocompromised patients, rarely in immunocompetent individuals. In order to identify potential risk factors of CMV-related thrombosis, we performed a systematic review of the literature regarding immunocompetent patients with cytomegalovirus infection and thrombosis. We found 115 cases with a mean age of 37.36 years (SDâ±â16.43 years). Almost half the female patients were assuming EP contraception at the time of the event, and almost half the patients were affected by a coagulation disorder. Interestingly, just two women and four men had no risk factor for thrombosis other than the CMV infection at the time of the event. In conclusion, coagulation disorders and EP contraception have to be taken into a great deal of consideration in patients with CMV infection, since they could be important risk factors for VTE. Knowing the correlation with coagulation disorders, the use of anticoagulation drugs cannot be considered overtreatment. It was not feasible to determine the usefulness of an antiviral treatment. Further studies, even randomized ones, are required to determine the usefulness of antiviral drugs and the real prevalence of CMV-related VTE.
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Affiliation(s)
- Manuela Ceccarelli
- Department of Clinical and Experimental Medicine, Unit of Infectious Diseases, University of Messina, Via Consolare Valeria, 1, 98125, Messina, ME, Italy.
| | - Emmanuele Venanzi Rullo
- Department of Clinical and Experimental Medicine, Unit of Infectious Diseases, University of Messina, Via Consolare Valeria, 1, 98125, Messina, ME, Italy
| | - Giuseppe Nunnari
- Department of Clinical and Experimental Medicine, Unit of Infectious Diseases, University of Messina, Via Consolare Valeria, 1, 98125, Messina, ME, Italy
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Celkan T, Dikme G. Thrombosis in children: Which test to whom, when and how much necessary? Turk Arch Pediatr 2018; 53:1-9. [PMID: 30083068 DOI: 10.5152/turkpediatriars.2018.2586] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2017] [Accepted: 03/24/2017] [Indexed: 11/22/2022]
Abstract
Pediatric thrombosis is multifactorial, and usually risk factors either congenital or acquired are present. After 2000, systematic reviews and meta-analysis on pediatric venous thromboembolic disease and inherited thrombophilia revealed elevated thrombotic risks in these children. In this review, we discuss thrombosis and new literature in various pediatric patient groups and the usefulness of thrombophilia testing.
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Affiliation(s)
- Tiraje Celkan
- Ä°stanbul University CerrahpaĆa Medical Faculty, Department of Pediatrics, Division of Pediatric Hematology-Oncology, Istanbul, Turkey
| | - GĂŒrcan Dikme
- Ä°stanbul University CerrahpaĆa Medical Faculty, Department of Pediatrics, Division of Pediatric Hematology-Oncology, Istanbul, Turkey
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Trégouët DA, Morange PE. What is currently known about the genetics of venous thromboembolism at the dawn of next generation sequencing technologies. Br J Haematol 2018; 180:335-345. [PMID: 29082522 DOI: 10.1111/bjh.15004] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Venous thromboembolism (VTE) has a strong genetic component. This review summarizes what is known at the seventeen genes that are now well established to harbour VTE-associated genetic variants. In addition, it discusses additional candidate genes that deserve further validation before being claimed as VTE associated genes. Finally, several research strategies are briefly described to identify other molecular determinants of the disease.
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Affiliation(s)
- David-Alexandre Trégouët
- Department of Genomics & Pathophysiology of Cardiovascular Diseases, Sorbonne Universités, UPMC Univ. Paris 06, Institut National pour la Santé et la Recherche Médicale (INSERM), Unité Mixte de Recherche en Santé (UMR_S) 1166, Paris, France
- ICAN Institute for Cardiometabolism and Nutrition, Paris, France
| | - Pierre-Emmanuel Morange
- Laboratory of Haematology, La Timone Hospital, Marseille, France
- INSERM UMR_S 1062, Nutrition Obesity and Risk of Thrombosis, Aix-Marseille University, Marseille, France
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Skeith L. Preventing venous thromboembolism during pregnancy and postpartum: crossing the threshold. HEMATOLOGY. AMERICAN SOCIETY OF HEMATOLOGY. EDUCATION PROGRAM 2017; 2017:160-167. [PMID: 29222251 PMCID: PMC6142533 DOI: 10.1182/asheducation-2017.1.160] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
When should a patient with a known thrombophilia or prior venous thromboembolism (VTE) receive low-molecular-weight heparin (LMWH) prophylaxis during pregnancy and/or the postpartum period? Accurately predicting thrombotic and bleeding risks and knowing what to do with this information is at the heart of decision-making in these challenging scenarios. This article will explore the concept of a risk threshold from clinician and patient perspectives and provide guidance for the use of antepartum and postpartum LMWH prophylaxis in women with a known thrombophilia or prior VTE. Advice for the management of LMWH prophylaxis use around labor and delivery is also reviewed.
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Affiliation(s)
- Leslie Skeith
- Division of Hematology, Department of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada
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Affiliation(s)
- Ton Lisman
- Surgical Research Laboratory, Department of Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
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