1
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Zafarani A, Ghodratnia E, Amirzargar MR, Poriafar Y, Tabibian S. Gynecological bleeding in women with congenital bleeding disorders: A comprehensive cohort from Iran. Transfus Apher Sci 2024; 63:103941. [PMID: 38735129 DOI: 10.1016/j.transci.2024.103941] [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: 01/16/2024] [Revised: 04/28/2024] [Accepted: 04/29/2024] [Indexed: 05/14/2024]
Abstract
BACKGROUND Gynecological bleeding including menorrhagia and postpartum hemorrhage (PPH) face women's quality of life constantly with difficulties, especially those suffering from inherited bleeding disorders. In this study, we aim to evaluate gynecological bleeding particularly menorrhagia among Iranian women patients with inherited bleeding disorders admitted to the Iranian Comprehensive Hemophilia Care Center (ICHCC). METHODS This study was conducted on 156 females aged ≥ 12 diagnosed with an inherited bleeding disorder in ICHCC. Demographic and laboratory data were documented for all patients. Bleeding questionnaires (the International Society on Thrombosis and Hemostasis bleeding assessment tool (ISTH-BAT), Molecular and Clinical Markers for the Diagnosis and Management of Type 1 von Willebrand disease (MCMDM-1), and Pictorial blood loss assessment chart (PBAC)) were filled out for all patients. For comparing metric and categorical parameters, Mann-Whitney was performed. Spearman's rho test was used for analyzing correlation. RESULTS The mean age of patients was 33. Von Willebrand disease (VWD), Factor (F) VII deficiency and combined factor deficiency were the most diagnosed disorders. The median of ISTH-BAT, MCMDM-1, and PBAC was 7,7, and 517, respectively. Menorrhagia was the most common reason for diagnosis. Menorrhagia and PPH domain scores ≥ 2 were recorded in 82 and 34 patients, respectively, and PBAC scores > 100 were seen in 118 patients. Significant positive correlations were observed between bleeding scores and menorrhagia and PPH scores. No significant correlations were recorded for VWF: Ag and VWF: RCo with menorrhagia and PPH scores; however, significant correlations were seen for VWF: Ag and VWF: RCo with bleeding score questionnaires. CONCLUSION Menorrhagia is the most common problem in females affected by different types of inherited bleeding disorders, particularly VWD. Increased awareness among gynecologists and hematologists about bleeding disorders in cases with unexplained menorrhagia is an essential step for optimal management.
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Affiliation(s)
- Alireza Zafarani
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Islamic Republic of Iran; Department of Hematology and Blood Banking, Faculty of Allied Medicine, Iran University of Medical Sciences, Tehran, Islamic Republic of Iran
| | - Elnaz Ghodratnia
- Department of Hematology and Blood Banking, Faculty of Allied Medicine, Iran University of Medical Sciences, Tehran, Islamic Republic of Iran
| | - Mohammad Reza Amirzargar
- Department of Hematology and Blood Banking, Faculty of Allied Medicine, Iran University of Medical Sciences, Tehran, Islamic Republic of Iran
| | - Yasaman Poriafar
- Department of Hematology and Blood Banking, Faculty of Allied Medicine, Iran University of Medical Sciences, Tehran, Islamic Republic of Iran
| | - Shadi Tabibian
- Iranian Comprehensive Hemophilia Care Center, Tehran, Islamic Republic of Iran.
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2
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Seidizadeh O, Eikenboom JCJ, Denis CV, Flood VH, James P, Lenting PJ, Baronciani L, O'Donnell JS, Lillicrap D, Peyvandi F. von Willebrand disease. Nat Rev Dis Primers 2024; 10:51. [PMID: 39054329 DOI: 10.1038/s41572-024-00536-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/27/2024] [Indexed: 07/27/2024]
Abstract
von Willebrand disease (VWD) is the most common inherited bleeding disorder. The disorder is characterized by excessive mucocutaneous bleeding. The most common bleeding manifestations of this condition include nosebleeds, bruising, bleeding from minor wounds, menorrhagia or postpartum bleeding in women as well as bleeding after surgery. Other less frequent symptoms include gastrointestinal bleeding, haematomas or haemarthroses. VWD pathophysiology is complex and results from defects in von Willebrand factor (VWF) glycoprotein. Quantitative deficiencies are responsible for type 1 VWD with a partial decrease of VWF and type 3 with the complete absence of VWF. Qualitative abnormalities cause type 2 VWD, being further divided into types 2A, 2B, 2M and 2N. Although common, VWD is at risk of misdiagnosis, overdiagnosis and underdiagnosis owing to several factors, including complex diagnosis, variability of bleeding symptoms, presence of external variables (blood groups and other physiological modifiers such as exercise, thyroid hormones, oestrogens, and ageing), and lack of disease awareness among non-specialist health-care providers. Establishing the correct VWD diagnosis requires an array of specialized phenotypic assays and/or molecular genetic testing of the VWF gene. The management of bleeding includes increasing endogenous VWF levels with desmopressin or infusion of exogenous VWF concentrates (plasma-derived or recombinant). Fibrinolytic inhibitors, topical haemostatic agents and hormonal therapies are used as effective adjunctive measures.
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Affiliation(s)
- Omid Seidizadeh
- Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Milan, Italy
| | - Jeroen C J Eikenboom
- Department of Internal Medicine, Division of Thrombosis and Hemostasis, Einthoven Laboratory for Vascular and Regenerative Medicine, Leiden University Medical Center, Leiden, The Netherlands
| | - Cécile V Denis
- Laboratory for Hemostasis, Inflammation & Thrombosis, Unité Mixte de Recherche 1176, Institut National de la Santé et de la Recherche Médicale, Université Paris-Saclay, Le Kremlin-Bicêtre, France
| | - Veronica H Flood
- Department of Paediatrics, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Paula James
- Department of Medicine, Queen's University, Kingston, Ontario, Canada
| | - Peter J Lenting
- Laboratory for Hemostasis, Inflammation & Thrombosis, Unité Mixte de Recherche 1176, Institut National de la Santé et de la Recherche Médicale, Université Paris-Saclay, Le Kremlin-Bicêtre, France
| | - Luciano Baronciani
- Fondazione IRCCS Ca'Granda Ospedale Maggiore Policlinico, Angelo Bianchi Bonomi Hemophilia and Thrombosis Center, Milan, Italy
| | - James S O'Donnell
- Irish Centre for Vascular Biology, School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - David Lillicrap
- Department of Pathology and Molecular Medicine, Queen's University, Kingston, Ontario, Canada
| | - Flora Peyvandi
- Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Milan, Italy.
- Fondazione IRCCS Ca'Granda Ospedale Maggiore Policlinico, Angelo Bianchi Bonomi Hemophilia and Thrombosis Center, Milan, Italy.
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3
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Kreft IC, van Duijl TT, van Kwawegen C, Atiq F, Phan W, Schuller MBP, Boon-Spijker M, van der Zwaan C, Meijer AB, Hoogendijk AJ, Bierings R, Eikenboom JCJ, Leebeek FWG, van den Biggelaar M. Variant mapping using mass spectrometry-based proteotyping as a diagnostic tool in von Willebrand disease. J Thromb Haemost 2024; 22:1894-1908. [PMID: 38679335 DOI: 10.1016/j.jtha.2024.04.011] [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: 01/17/2024] [Revised: 03/20/2024] [Accepted: 04/15/2024] [Indexed: 05/01/2024]
Abstract
BACKGROUND von Willebrand disease (VWD) is the most common inherited bleeding disorder, characterized by either partial or complete von Willebrand factor (VWF) deficiency or by the occurrence of VWF proteoforms of altered functionality. The gene encoding VWF is highly polymorphic, giving rise to a variety of proteoforms with varying plasma concentrations and clinical significance. OBJECTIVES To address this complexity, we translated genomic variation in VWF to corresponding VWF proteoforms circulating in blood. METHODS VWF was characterized in VWD patients (n = 64) participating in the Willebrand in the Netherlands study by conventional laboratory testing, DNA sequencing and complementary discovery, and targeted mass spectrometry-based plasma proteomic strategies. RESULTS Unbiased plasma profiling combined with immune enrichment of VWF verified VWF and its binding partner factor VIII as key determinants of VWD and revealed a remarkable heterogeneity in VWF amino acid sequence coverage among patients. Subsequent VWF proteotyping enabled identification of both polymorphisms (eg, p.Thr789Ala, p.Gln852Arg, and p.Thr1381Ala), as well as pathogenic variants (n = 16) along with their corresponding canonical sequences. Targeted proteomics using stable isotope-labeled peptides confirmed unbiased proteotyping for 5 selected variants and suggested differential proteoform quantities in plasma. The variant-to-wild-type peptide ratio was determined in 6 type 2B patients heterozygous for p.Arg1306Trp, confirming the relatively low proteoform concentration of the pathogenic variant. The elevated VWF propeptide/VWF ratio indicated increased clearance of specific VWF proteoforms. CONCLUSION This study highlights how VWF proteotyping from plasma could be the first step to bridge the gap between genotyping and functional testing in VWD.
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Affiliation(s)
- Iris C Kreft
- Laboratory of Proteomics, Department of Molecular Hematology, Sanquin Research, Amsterdam, the Netherlands.
| | - Tirsa T van Duijl
- Laboratory of Proteomics, Department of Molecular Hematology, Sanquin Research, Amsterdam, the Netherlands
| | - Calvin van Kwawegen
- Department of Hematology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Ferdows Atiq
- Department of Hematology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Winny Phan
- Laboratory of Proteomics, Department of Molecular Hematology, Sanquin Research, Amsterdam, the Netherlands
| | - Margo B P Schuller
- Laboratory of Proteomics, Department of Molecular Hematology, Sanquin Research, Amsterdam, the Netherlands
| | - Mariëtte Boon-Spijker
- Laboratory of Proteomics, Department of Molecular Hematology, Sanquin Research, Amsterdam, the Netherlands
| | - Carmen van der Zwaan
- Laboratory of Proteomics, Department of Molecular Hematology, Sanquin Research, Amsterdam, the Netherlands
| | - Alexander B Meijer
- Laboratory of Proteomics, Department of Molecular Hematology, Sanquin Research, Amsterdam, the Netherlands; Department of Biomolecular Mass Spectrometry and Proteomics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Utrecht, the Netherlands
| | - Arie J Hoogendijk
- Laboratory of Proteomics, Department of Molecular Hematology, Sanquin Research, Amsterdam, the Netherlands
| | - Ruben Bierings
- Department of Hematology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Jeroen C J Eikenboom
- Department of Internal Medicine, Division of Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, the Netherlands
| | - Frank W G Leebeek
- Department of Hematology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Maartje van den Biggelaar
- Laboratory of Proteomics, Department of Molecular Hematology, Sanquin Research, Amsterdam, the Netherlands.
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4
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Moser MM, Schoergenhofer C, Jilma B. Progress in von Willebrand Disease Treatment: Evolution towards Newer Therapies. Semin Thromb Hemost 2024; 50:720-732. [PMID: 38331000 DOI: 10.1055/s-0044-1779485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2024]
Abstract
von Willebrand disease (VWD) is a very heterogenous disease, resulting in different phenotypes and different degrees of bleeding severity. Established therapies (i.e., desmopressin, antifibrinolytic agents, hormone therapy for heavy menstrual bleeding, and von Willebrand factor [VWF] concentrates) may work in some subtypes, but not in all patients. In recent years, progress has been made in improving the diagnosis of VWD subtypes, allowing for more specific therapy. The impact of VWD on women's daily lives has also come to the fore in recent years, with hormone therapy, tranexamic acid, or recombinant VWF as treatment options. New treatment approaches, including the replacement of lacking factor VIII (FVIII) function, may work in those subgroups affected by severe FVIII deficiency. Reducing the clearance of VWF is an alternative treatment pathway; for example, rondaptivon pegol is a VWFA1 domain-binding aptamer which not only improves plasma VWF/FVIII levels, but also corrects platelet counts in thrombocytopenic type 2B VWD patients. These approaches are currently in clinical development, which will be the focus of this review. In addition, half-life extension methods are also important for the improvement of patients' quality of life. Targeting specific mutations may further lead to personalized treatments in the future. Finally, a few randomized controlled trials, although relatively small, have been published in recent years, aiming to achieve a higher level of evidence in future guidelines.
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Affiliation(s)
- Miriam M Moser
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
| | | | - Bernd Jilma
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
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5
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Jahangiri P, Veen KM, van Moort I, Bunge JH, Constantinescu A, Sjatskig J, de Maat M, Kluin J, Leebeek F, Caliskan K. Early Postoperative Changes in Von Willebrand Factor Activity Are Associated With Future Bleeding and Stroke in HeartMate 3 Patients. ASAIO J 2024:00002480-990000000-00505. [PMID: 38896804 DOI: 10.1097/mat.0000000000002250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/21/2024] Open
Abstract
Hemocompatibility-related adverse events (HRAEs), particularly gastrointestinal bleeding, remain a frequent complication after left ventricular assist device (LVAD) implantation. The current study sought to describe and analyze whether early (<60 days) postoperative von Willebrand factor (VWF) activity assays predict the risk of gastrointestinal bleeding and stroke. A prospective single-center study including 74 HeartMate 3 device recipients between 2016 and 2023 was undertaken. The postoperative trajectory of the VWF profile was analyzed using linear mixed-effect models and Cox models were used to quantify associations between an early postoperative dip (≤0.7) in VWF activity assay measurements and late outcomes. Preoperatively, the mean VWF:Activity (Act)/Antigen (Ag) and VWF:Collagen Binding (CB)/Ag ratios were 0.94 (95% confidence interval [CI] = 0.81-1.02) and 0.95 (95% CI = 0.80-1.03), respectively, decreasing to 0.66 (95% CI = 0.57-0.73) and 0.67 (95% CI = 0.58-0.74) within 40 days (p < 0.05). In patients with VWF:CB/Ag and VWF:Act/Ag ratios ≤0.7 significantly more gastrointestinal bleeding (hazard ratio [HR]: 2.53; 95% CI = 1.1-5.8, and HR: 3.7; 95% CI = 1.5-9.2, respectively) and hemorrhagic stroke events (HR: 3.5; 95% CI = 1.6-7.6 and HR: 4.9; 95% CI = 2.1-11.7, respectively) were observed throughout the entire late (>60 days) postoperative period. In patients with VWF:Act/Ag ratio ≤0.7 less ischemic stroke events were observed (HR: 0.11; 95% CI = 0.01-0.85). In conclusion, VWF:Act/Ag and VWF:CB/Ag ratios ≤0.7 in the early postoperative phase can be used as biomarkers to predict HRAEs during long-term LVAD support.
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Affiliation(s)
| | | | | | - Jeroen H Bunge
- From the Department of Cardiology
- Intensive Care, Erasmus MC-University Medical Centre Rotterdam, Rotterdam, The Netherlands
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6
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van Hoorn ES, Willems SP, Al Arashi W, de Moor AS, van Kwawegen CB, Teela L, Oude Voshaar MA, Kremer Hovinga IC, Schutgens RE, Schols SE, Leebeek FW, Haverman L, Cnossen MH, Gouw SC, Lingsma HF. Psychometrics of patient-reported outcomes measurement information system in von Willebrand disease, inherited platelet function disorders, and rare bleeding disorders. Res Pract Thromb Haemost 2024; 8:102474. [PMID: 39076727 PMCID: PMC11284954 DOI: 10.1016/j.rpth.2024.102474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 06/05/2024] [Accepted: 06/07/2024] [Indexed: 07/31/2024] Open
Abstract
Background Patient-reported outcomes measurement information system (PROMIS) measures can be used to measure patient-reported outcomes. PROMIS measures, including computer adaptive tests (CATs) and short forms, have demonstrated the ability to adequately assess outcomes in patients with hemophilia. It is, however, unclear if PROMIS measures are suitable for patients with von Willebrand disease (VWD), inherited platelet function disorders (IPFDs), and rare bleeding disorders (RBDs). Objectives To evaluate the feasibility, measurement properties, and relevance of PROMIS measures in adults with VWD, IPFDs, and RBDs. Methods In this cross-sectional multicenter study, adults with VWD, IPFDs, and RBDs completed 9 PROMIS measures and the Short Form-36 version 2 (SF-36v2) electronically. Feasibility was determined by the number of completed items and floor/ceiling effects. Measurement properties included construct validity based on a multitrait-multimethod analysis and reliability using the reliability coefficient and greatest lower bound. Relevance was evaluated based on comparison with the Dutch general population. Results In total, 111 patients (median age, 57 years [IQR, 44-67]; 60% VWD, 16% IPFD, 24% RBD) participated. Mean number of items answered varied from 5.3 to 8.7 (range, 4-12) per PROMIS CAT in patients with VWD. Construct validity was supported for all CATs and all instruments had a good reliability (≥0.70). The PROMIS measures had less ceiling effects than the SF-36v2. Conclusion The PROMIS measures are a feasible, valid, and reliable alternative for the SF-36v2 in patients with primarily nonsevere forms of VWD. The relevance of the selected measures was limited. Additional research is necessary to evaluate the PROMIS measures in adults with IPFDs and RBDs.
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Affiliation(s)
- Evelien S. van Hoorn
- Department of Public Health, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Sterre P.E. Willems
- Department of Hematology, Radboud university medical center Nijmegen, Hemophilia Treatment Center Nijmegen-Eindhoven-Maastricht, Nijmegen, The Netherlands
| | - Wala Al Arashi
- Department of Pediatric Hematology, Erasmus MC Sophia Children's Hospital, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Annick S. de Moor
- Center for Benign Hematology, Thrombosis and Hemostasis, Van Creveldkliniek University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Calvin B. van Kwawegen
- Department of Hematology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Lorynn Teela
- Child and Adolescent Psychiatry & Psychosocial Care, Emma Children’s Hospital, Amsterdam UMC location University of Amsterdam, Amsterdam, The Netherlands
- Public Health, Mental Health and Digital Health, Amsterdam UMC location University of Amsterdam, Amsterdam, The Netherlands
- Reproduction and Development, Child Development, Amsterdam UMC location University of Amsterdam, Amsterdam, The Netherlands
| | - Martijn A.H. Oude Voshaar
- Department of Public Health, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Idske C.L. Kremer Hovinga
- Center for Benign Hematology, Thrombosis and Hemostasis, Van Creveldkliniek University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Roger E.G. Schutgens
- Center for Benign Hematology, Thrombosis and Hemostasis, Van Creveldkliniek University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Saskia E.M. Schols
- Department of Hematology, Radboud university medical center Nijmegen, Hemophilia Treatment Center Nijmegen-Eindhoven-Maastricht, Nijmegen, The Netherlands
| | - Frank W.G. Leebeek
- Department of Hematology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Lotte Haverman
- Child and Adolescent Psychiatry & Psychosocial Care, Emma Children’s Hospital, Amsterdam UMC location University of Amsterdam, Amsterdam, The Netherlands
- Public Health, Mental Health and Digital Health, Amsterdam UMC location University of Amsterdam, Amsterdam, The Netherlands
- Reproduction and Development, Child Development, Amsterdam UMC location University of Amsterdam, Amsterdam, The Netherlands
| | - Marjon H. Cnossen
- Department of Pediatric Hematology, Erasmus MC Sophia Children's Hospital, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Samantha C. Gouw
- Pediatric Hematology, Emma Children’s Hospital, Amsterdam UMC location University of Amsterdam, Amsterdam, The Netherlands
| | - Hester F. Lingsma
- Department of Public Health, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
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7
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Atiq F, Blok R, van Kwawegen CB, Doherty D, Lavin M, van der Bom JG, O'Connell NM, de Meris J, Ryan K, Schols SEM, Byrne M, Heubel-Moenen FCJI, van Galen KPM, Preston RJS, Cnossen MH, Fijnvandraat K, Baker RI, Meijer K, James P, Di Paola J, Eikenboom J, Leebeek FWG, O'Donnell JS. Type 1 VWD classification revisited: novel insights from combined analysis of the LoVIC and WiN studies. Blood 2024; 143:1414-1424. [PMID: 38142407 PMCID: PMC11033584 DOI: 10.1182/blood.2023022457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 11/07/2023] [Accepted: 11/29/2023] [Indexed: 12/26/2023] Open
Abstract
ABSTRACT There is significant ongoing debate regarding type 1 von Willebrand disease (VWD) defintion. Previous guidelines recommended patients with von Willebrand factor (VWF) levels <30 IU/dL be diagnosed type 1 VWD, whereas patients with significant bleeding and VWF levels from 30 to 50 IU/dL be diagnosed with low VWF. To elucidate the relationship between type 1 VWD and low VWF in the context of age-induced increases in VWF levels, we combined data sets from 2 national cohort studies: 162 patients with low VWF from the Low VWF in Ireland Cohort (LoVIC) and 403 patients with type 1 VWD from the Willebrand in The Netherlands (WiN) studies. In 47% of type 1 VWD participants, VWF levels remained <30 IU/dL despite increasing age. Conversely, VWF levels increased to the low VWF range (30-50 IU/dL) in 30% and normalized (>50 IU/dL) in 23% of type 1 VWD cases. Crucially, absolute VWF antigen (VWF:Ag) levels and increase of VWF:Ag per year overlapped between low VWF and normalized type 1 VWD participants. Moreover, multiple regression analysis demonstrated that VWF:Ag levels in low VWF and normalized type 1 VWD patients would not have been different had they been diagnosed at the same age (β = 0.00; 95% confidence interval, -0.03 to 0.04). Consistently, no difference was found in the prevalence of VWF sequence variants; factor VIII activity/VWF:Ag or VWF propeptide/VWF:Ag ratios; or desmopressin responses between low VWF and normalized type 1 VWD patients. In conclusion, our findings demonstrate that low VWF does not constitute a discrete clinical or pathological entity. Rather, it is part of an age-dependent type 1 VWD evolving phenotype. Collectively, these data have important implications for future VWD classification criteria.
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Affiliation(s)
- Ferdows Atiq
- Irish Centre for Vascular Biology, School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, Dublin, Ireland
- Department of Haematology, Erasmus University Medical Center-Erasmus MC, Rotterdam, The Netherlands
| | - Robin Blok
- Department of Haematology, Erasmus University Medical Center-Erasmus MC, Rotterdam, The Netherlands
| | - Calvin B. van Kwawegen
- Department of Haematology, Erasmus University Medical Center-Erasmus MC, Rotterdam, The Netherlands
| | - Dearbhla Doherty
- Irish Centre for Vascular Biology, School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, Dublin, Ireland
- National Coagulation Centre, St James’s Hospital, Dublin, Ireland
| | - Michelle Lavin
- Irish Centre for Vascular Biology, School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, Dublin, Ireland
- National Coagulation Centre, St James’s Hospital, Dublin, Ireland
| | - Johanna G. van der Bom
- Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands
| | | | - Joke de Meris
- Netherlands Hemophilia Society, Leiden, The Netherlands
| | - Kevin Ryan
- National Coagulation Centre, St James’s Hospital, Dublin, Ireland
| | - Saskia E. M. Schols
- Department of Hematology, Radboud University Medical Center, Nijmegen and Hemophilia Treatment Center, Nijmegen-Eindhoven-Maastricht, The Netherlands
| | - Mary Byrne
- National Coagulation Centre, St James’s Hospital, Dublin, Ireland
| | | | - Karin P. M. van Galen
- Van Creveldkliniek, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Roger J. S. Preston
- Irish Centre for Vascular Biology, School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Marjon H. Cnossen
- Department of Pediatric Hematology and Oncology, Erasmus MC, University Medical Center–Sophia Children's Hospital Rotterdam, Rotterdam, The Netherlands
| | - Karin Fijnvandraat
- Department of Pediatric Hematology, Emma Children's Hospital, Amsterdam University Medical Centres, University of Amsterdam, Amsterdam, The Netherlands
| | - Ross I. Baker
- Western Australia Centre for Thrombosis and Haemostasis, Perth Blood Institute, Murdoch University, Perth, WA, Australia
- Irish-Australian Blood Collaborative Network, Dublin, Ireland
| | - Karina Meijer
- Department of Hematology, University Medical Center Groningen, Groningen, The Netherlands
| | - Paula James
- Department of Medicine, Queen's University, Kingston, ON, Canada
| | - Jorge Di Paola
- Department of Pediatrics, School of Medicine, Washington University in St. Louis, St. Louis, MO
| | - Jeroen Eikenboom
- Department of Internal Medicine, Division of Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, The Netherlands
| | - Frank W. G. Leebeek
- Department of Haematology, Erasmus University Medical Center-Erasmus MC, Rotterdam, The Netherlands
| | - James S. O'Donnell
- Irish Centre for Vascular Biology, School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, Dublin, Ireland
- National Coagulation Centre, St James’s Hospital, Dublin, Ireland
- Irish-Australian Blood Collaborative Network, Dublin, Ireland
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8
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Leebeek FW, Castaman G, Marier JF, Özen G, Bhattacharya I, Zhang J, Wang S, Wang Y. Exposure-Response Relationship between VWF/FVIII Activity and Spontaneous Bleeding Events Following Recombinant VWF Prophylaxis in Severe VWD. TH OPEN 2024; 8:e243-e251. [PMID: 38938750 PMCID: PMC11211018 DOI: 10.1055/s-0044-1787815] [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: 12/05/2023] [Accepted: 05/21/2024] [Indexed: 06/29/2024] Open
Abstract
Background Recombinant von Willebrand factor (rVWF, vonicog alfa, Takeda Pharmaceuticals USA) is indicated in adults diagnosed with von Willebrand disease (VWD). In this study, the exposure-response (ER) relationship between VWF activity (VWF:RCo) or factor VIII activity (FVIII:C) and spontaneous bleeding events (BEs) was evaluated in adults with severe VWD receiving rVWF prophylaxis for up to 1 year. Methods This secondary analysis included 23 patients receiving rVWF prophylaxis in the open-label, phase 3 prophylaxis trial (NCT02973087). Population pharmacokinetic (PK) and PK/pharmacodynamic (PD) models were used to characterize VWF activity and endogenous FVIII:C, and PK/PD simulations were linked to spontaneous BEs to develop an ER model. Results None of the five patients with VWD types 1 or 2A/B experienced spontaneous BEs. Five of 18 patients with VWD type 3 experienced ≥1 spontaneous BEs. An ER relationship was observed whereby higher VWF:RCo levels were associated with a numerically lower spontaneous BE risk ( p < 0.10). This relationship was independent of patients' pretrial VWF treatment. A statistically significant ER relationship was observed after accounting for relevant data (average ± standard error exposure estimate for VWF:RCo over 24 hours prior to the spontaneous BE: -0.043 ± 0.021, p = 0.041). The model-generated hazard ratio for a 10 IU/dL increment in the average exposure of VWF:RCo 24 hours before a spontaneous BE was 0.651 (95% confidence interval: 0.431-0.982). Conclusions This ER analysis suggests a causal association between VWF:RCo and spontaneous BEs, with an increase of VWF:RCo exposure leading to a decrease in spontaneous BE risk.
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Affiliation(s)
- Frank W.G. Leebeek
- Department of Hematology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Giancarlo Castaman
- Center for Bleeding Disorders and Coagulation, Careggi University Hospital, Florence, Italy
| | | | - Gülden Özen
- Takeda Development Center Americas, Inc., Cambridge, Massachusetts, United States
| | | | - Jingmei Zhang
- Takeda Development Center Americas, Inc., Cambridge, Massachusetts, United States
| | - Scarlett Wang
- Takeda Development Center Americas, Inc., Cambridge, Massachusetts, United States
| | - Yi Wang
- Takeda Development Center Americas, Inc., Cambridge, Massachusetts, United States
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9
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Zafarani A, Tabibian S, Barati M, Ghodratnia E, Safa M. Associations of multiple genetic variations with plasma levels of Von Willebrand Factor and clinical phenotype in Iranian patients with Von Willebrand disease type 1. Transfus Apher Sci 2023; 62:103766. [PMID: 37550093 DOI: 10.1016/j.transci.2023.103766] [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: 04/09/2023] [Revised: 07/15/2023] [Accepted: 07/21/2023] [Indexed: 08/09/2023]
Abstract
BACKGROUND Genetic variations influence the Von Willebrand Factor plasma level and function. This study aims to evaluate the frequency and clinical phenotype effects of eight single nucleotide polymorphism candidates in four genes (VWF, STXBP5, CLEC4M, and ABO) in Iranian patients with VWD type 1. METHOD The study recruited 50 patients with VWD type 1 and 100 healthy individuals. The demographic data from all participants were collected, and the High-Resolution Melting technique was used to determine the frequency of specific single nucleotide polymorphisms. Bleeding scores were also obtained from all patients to assess how these genetic variations might affect the severity of their bleeding symptoms. RESULTS The study found notable variations in the occurrence of certain SNPs (rs7853989 and rs8176743 for ABO gene and rs1063856 and rs1063857 for VWF gene) between the control group and the patients. Additionally, the study discovered that two SNPs (rs868875 for CLEC4M gene and rs9390459 for STXBP5 gene) were significantly linked to the severity of bleeding, and two others (rs868875 for CLEC4M gene and rs8176746 for ABO gene) were associated with reduced levels of VWF antigen in the patients. CONCLUSION According to this study, the above-selected SNPs can cause variations in VWF plasma levels in patients with VWD type 1. Furthermore, the effects of SNPs on bleeding phenotype prove the role of these SNPs in the severity of bleeding manifestations in patients.
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Affiliation(s)
- Alireza Zafarani
- Department of Hematology and Blood Banking, Faculty of Allied Medicine, Iran University of Medical Sciences, Tehran, Islamic Republic of Iran
| | - Shadi Tabibian
- Iranian Comprehensive Hemophilia Care Center, Tehran, Islamic Republic of Iran
| | - Mahmood Barati
- Department of Medical Biotechnology, Faculty of Allied Medicine, Iran University of Medical Science, Tehran, Islamic Republic of Iran
| | - Elnaz Ghodratnia
- Department of Hematology and Blood Banking, Faculty of Allied Medicine, Iran University of Medical Sciences, Tehran, Islamic Republic of Iran
| | - Majid Safa
- Department of Hematology and Blood Banking, Faculty of Allied Medicine, Iran University of Medical Sciences, Tehran, Islamic Republic of Iran.
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10
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Doherty D, Grabell J, Christopherson PA, Montgomery RR, Coller BS, Lavin M, O'Donnell JS, James PD. Variability in International Society on Thrombosis and Haemostasis-Scientific and Standardization Committee endorsed Bleeding Assessment Tool (ISTH-BAT) score with normal aging in healthy females: contributory factors and clinical significance. J Thromb Haemost 2023; 21:880-886. [PMID: 36696194 PMCID: PMC11008594 DOI: 10.1016/j.jtha.2022.11.045] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 11/30/2022] [Accepted: 12/01/2022] [Indexed: 01/09/2023]
Abstract
BACKGROUND Bleeding assessment tools are key screening tests used in the evaluation of patients with suspected inherited bleeding disorders. The International Society on Thrombosis and Haemostasis-Scientific and Standardization Committee endorsed Bleeding Assessment Tool (ISTH-BAT) has differing reference ranges for adult males (0-3), adult females (0-5), and children (0-2), reflecting differing bleeding symptoms and exposure to hemostatic challenges in these healthy population subgroups. Age is known to markedly impact bleeding score in individuals with von Willebrand disease. However, the influence of age on bleeding score in healthy adult controls is poorly understood. OBJECTIVES We aimed to assess variability in ISTH-BAT score with age among healthy control females. METHODS We used the legacy "Merging Project" dataset of normal healthy controls upon which current ISTH-BAT normal ranges are based. We included women, totaling 646 individuals. The normal range (middle 95th percentile) of total ISTH-BAT and grouped subdomain scores between age quartiles was assessed. RESULTS The normal range of ISTH-BAT scores increased with age, ranging from 0 to 4 in the youngest quartile (age range, 18-30) to 0 to 6 in the oldest (age range, 52-88). This increased variability with aging was related both to high menorrhagia domain scores in older women and an increase in postprocedural bleeding with accumulated exposure to hemostatic challenges. CONCLUSIONS Cumulatively, our data highlight that normal aging leads to increased variability in bleeding scores in healthy adult females. Further refinement of the ISTH-BAT with age-adjusted reference ranges may improve the sensitivity and specificity of the tool among females.
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Affiliation(s)
- Dearbhla Doherty
- National Coagulation Centre, St James's Hospital, Dublin, Ireland; Irish Centre for Vascular Biology, School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, Dublin, Ireland.
| | - Julie Grabell
- Department of Medicine, Queen's University, Kingston, Ontario, Canada
| | | | - Robert R Montgomery
- Blood Research Institute, Versiti, Milwaukee, WI, USA; Children's Research Institute, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Barry S Coller
- Allen and Frances Adler Laboratory of Blood and Vascular Biology, Rockefeller University, NY, USA
| | - Michelle Lavin
- National Coagulation Centre, St James's Hospital, Dublin, Ireland; Irish Centre for Vascular Biology, School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - James S O'Donnell
- National Coagulation Centre, St James's Hospital, Dublin, Ireland; Irish Centre for Vascular Biology, School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, Dublin, Ireland; National Children's Research Centre, Our Lady's Children's Hospital Crumlin, Dublin, Ireland
| | - Paula D James
- Department of Medicine, Queen's University, Kingston, Ontario, Canada
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11
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Du P, Bergamasco A, Moride Y, Truong Berthoz F, Özen G, Tzivelekis S. Von Willebrand Disease Epidemiology, Burden of Illness and Management: A Systematic Review. J Blood Med 2023; 14:189-208. [PMID: 36891166 PMCID: PMC9987238 DOI: 10.2147/jbm.s389241] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Accepted: 01/06/2023] [Indexed: 03/06/2023] Open
Abstract
Introduction Although hereditary von Willebrand disease (VWD) is the most common bleeding disorder, its epidemiology is not well understood. A systematic review (PROSPERO CRD42020197674/CRD42021244374) on the epidemiology/burden of illness of VWD was conducted to better understand patients' unmet needs. Methods Observational studies (published January 1, 2010 to April 14, 2021) were identified in MEDLINE and Embase databases, using free-text keywords and thesaurus terms for VWD and outcomes of interest. Pragmatic web-based searches of the gray literature, including conference abstracts, were performed, and reference lists of retained publications were manually searched for additional sources. Case reports and clinical trials (phase 1-3) were excluded. Outcomes of interest were incidence, prevalence, mortality, patient characteristics, burden of illness, and therapeutic management/treatments currently used for VWD. Results Of the 3095 identified sources, 168 were included in this systematic review. Reported VWD prevalence (22 sources) ranged from 108.9 to 2200 per 100,000 in population-based studies and from 0.3 to 16.5 per 100,000 in referral-based studies. Reported times between first symptom onset and diagnosis (two sources; mean 669 days; median 3 years) highlighted gaps in timely VWD diagnosis. Bleeding events reported in 72-94% of the patients with VWD (all types; 27 sources) were mostly mucocutaneous including epistaxis, menorrhagia, and oral/gum bleeding. Poorer health-related quality of life (three sources) and greater health care resource utilization (three sources) were reported for patients with VWD than in general populations. Conclusion Available data suggest that patients with VWD experience high disease burden in terms of bleeding, poor quality of life, and health care resource utilization.
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Affiliation(s)
- Ping Du
- Takeda Development Center Americas, Inc., Cambridge, MA, USA
| | | | - Yola Moride
- YOLARX Consultants, Paris, France
- Rutgers, The State University of New Jersey, New Brunswick, NJ, USA
| | | | - Gülden Özen
- Takeda Development Center Americas, Inc., Cambridge, MA, USA
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12
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Sidonio RF, Bryant PC, Di Paola J, Hale S, Heiman M, Horowitz GS, Humphrey C, Jaffray J, Joyner LC, Kasthuri R, Konkle BA, Kouides PA, Montgomery R, Neeves K, Randi AM, Scappe N, Tarango C, Tickle K, Trapane P, Wang M, Waters B, Flood VH. Building the foundation for a community-generated national research blueprint for inherited bleeding disorders: research priorities for mucocutaneous bleeding disorders. Expert Rev Hematol 2023; 16:39-54. [PMID: 36920856 DOI: 10.1080/17474086.2023.2171983] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
Abstract
BACKGROUND Excessive or abnormal mucocutaneous bleeding (MCB) may impact all aspects of the physical and psychosocial wellbeing of those who live with it (PWMCB). The evidence base for the optimal diagnosis and management of disorders such as inherited platelet disorders, hereditary hemorrhagic telangiectasia (HHT), hypermobility spectrum disorders (HSD), Ehlers-Danlos syndromes (EDS), and von Willebrand disease (VWD) remains thin with enormous potential for targeted research. RESEARCH DESIGN AND METHODS National Hemophilia Foundation and American Thrombosis and Hemostasis Network initiated the development of a National Research Blueprint for Inherited Bleeding Disorders with extensive all-stakeholder consultations to identify the priorities of people with inherited bleeding disorders and those who care for them. They recruited multidisciplinary expert working groups (WG) to distill community-identified priorities into concrete research questions and score their feasibility, impact, and risk. RESULTS WG2 detailed 38 high priority research questions concerning the biology of MCB, VWD, inherited qualitative platelet function defects, HDS/EDS, HHT, bleeding disorder of unknown cause, novel therapeutics, and aging. CONCLUSIONS Improving our understanding of the basic biology of MCB, large cohort longitudinal natural history studies, collaboration, and creative approaches to novel therapeutics will be important in maximizing the benefit of future research for the entire MCB community.
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Affiliation(s)
- Robert F Sidonio
- Department of Pediatrics, Aflac Cancer and Blood Disorders, Atlanta, Georgia, USA.,Hemophilia of Georgia Center for Bleeding and Clotting Disorders, Atlanta, Georgia, USA
| | - Paulette C Bryant
- Pediatric Hematology Oncology, St. Jude Affiliate Clinic at Novant Health Hemby Children's Hospital, Charlotte, North Carolina, USA.,National Hemophilia Foundation, New York, New York, USA
| | - Jorge Di Paola
- Department of Pediatrics, Washington University in St. Louis, St. Louis, Missouri, USA.,Hematology/Oncology Department, Washington University in St. Louis, St. Louis, Missouri, USA
| | - Sarah Hale
- Takeda Pharmaceuticals U.S.A, Lexington, Massachusetts, USA
| | - Meadow Heiman
- Indiana Hemophilia and Thrombosis Center, Indianapolis, Indiana, USA
| | | | | | - Julie Jaffray
- Department of Pediatrics, Children's Hospital Los Angeles, Los Angeles, California, USA.,Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Lora C Joyner
- East Carolina University Hemophilia Treatment Center, Greenville, North Carolina, USA
| | - Raj Kasthuri
- Division of Hematology, UNC Blood Research Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Barbara A Konkle
- Washington Center for Bleeding Disorders, Seattle, Washington, USA
| | | | - Robert Montgomery
- Blood Center of Wisconsin, Versiti, Milwaukee, Wisconsin, USA.,Department of Pediatrics, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Keith Neeves
- Hemophilia and Thrombosis Center, University of Colorado Denver, Denver, Colorado, USA.,Department of Bioengineering, University of Colorado Denver, Denver, Colorado, USA.,Department of Pediatrics, University of Colorado Denver, Denver, Colorado, USA.,Department of pediatrics, Anschutz Medical Campus, Aurora, Colorado, USA
| | - Anna M Randi
- National Heart and Lung Institute, Imperial College, London, UK
| | - Nikole Scappe
- National Hemophilia Foundation, New York, New York, USA
| | - Cristina Tarango
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA.,Pediatrics, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Kelly Tickle
- Department of Pediatrics, Aflac Cancer and Blood Disorders, Atlanta, Georgia, USA.,Hemophilia of Georgia Center for Bleeding and Clotting Disorders, Atlanta, Georgia, USA.,Children's Healthcare of Atlanta, Atlanta, Georgia, USA
| | - Pamela Trapane
- Division of Pediatric Genetics, Department of Pediatrics, University of Florida College of Medicine-Jacksonville, Jacksonville, Florida, USA
| | - Michael Wang
- Department of pediatrics, Anschutz Medical Campus, Aurora, Colorado, USA
| | | | - Veronica H Flood
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
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13
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Corrales-Medina FF, Federici AB, Srivastava A, Dougall A, Millar CM, Roberts JC, Jaffray J, Berntorp E. A need to increase von Willebrand disease awareness: vwdtest.com - A global initiative to help address this gap. Blood Rev 2023; 58:101018. [PMID: 36210240 DOI: 10.1016/j.blre.2022.101018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 09/14/2022] [Accepted: 09/27/2022] [Indexed: 11/02/2022]
Abstract
Von Willebrand disease (VWD) is an inherited bleeding disorder caused by quantitative or qualitative deficiencies in von Willebrand factor (VWF). People with VWD may experience excessive, recurrent or prolonged bleeding, particularly during menstruation, childbirth, surgery or following trauma. However, many VWD patients are undiagnosed, and therefore inadequately treated. Reasons for the underdiagnosis of VWD include its relatively mild symptoms, complex diagnosis, lack of awareness among non-specialist healthcare providers and the general population, and a lack of prioritisation of disorders disproportionately affecting females. The vwdtest.com platform was launched as part of a global initiative to raise awareness and improve diagnosis of VWD. Besides providing VWD-specific educational resources, the website includes an online bleeding self-assessment tool and offers diagnostic support for individuals, and their providers, who have a score suggestive of a bleeding disorder. vwdtest.com helps to address these unmet needs, especially in regions with limited access to educational and diagnostic resources.
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Affiliation(s)
- Fernando F Corrales-Medina
- Division of Pediatric Hematology-Oncology, Department of Pediatrics, University of Miami-Miller School of Medicine, Miami, FL, USA; University of Miami-Hemophilia Treatment Center, Miami, FL, USA.
| | - Augusto B Federici
- University of Milan, School of Medicine, Department of Oncology and Haematology Oncology, Milan, Italy; Division of Haematology and Transfusion Medicine of Luigi Sacco University Hospital, Milan, Italy
| | - Alok Srivastava
- Christian Medical College, Department of Haematology, Vellore, India
| | - Alison Dougall
- School of Dental Science, Trinity College Dublin, Ireland; Dublin Dental University Hospital, Dublin, Ireland
| | - Carolyn M Millar
- Imperial College London, Department of Immunology and Inflammation, Centre for Haematology, London, UK
| | - Jonathan C Roberts
- Bleeding & Clotting Disorders Institute, Peoria, IL, USA; University of Illinois College of Medicine at Peoria, Department of Pediatrics and Medicine, Peoria, IL, USA
| | - Julie Jaffray
- Children's Hospital Los Angeles, University of Southern California, Keck School of Medicine, Los Angeles, CA, USA
| | - Erik Berntorp
- Clinical Coagulation Research, Department of Translational Medicine, Lund University, Malmö, Sweden
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14
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O'Donnell JS, Baker RI. Low von Willebrand Disease: A Bleeding Disorder of Unknown Cause? Hamostaseologie 2023; 43:44-51. [PMID: 36807819 DOI: 10.1055/a-1980-8198] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023] Open
Abstract
von Willebrand disease (VWD) represents the most common inherited bleeding disorder. The majority of VWD cases are characterized by partial quantitative reductions in plasma von Willebrand factor (VWF) levels. Management of patients with mild to moderate VWF reductions in the range of 30 to 50 IU/dL poses a common clinical challenge. Some of these low VWF patients present with significant bleeding problems. In particular, heavy menstrual bleeding and postpartum hemorrhage can cause significant morbidity. Conversely, however, many individuals with mild plasma VWF:Ag reductions do not have any bleeding sequelae. In contrast to type 1 VWD, most patients with low VWF do not have detectable pathogenic VWF sequence variants, and bleeding phenotype correlates poorly with residual VWF levels. These observations suggest that low VWF is a complex disorder caused by variants in other genes beyond VWF. With respect to low VWF pathobiology, recent studies have shown that reduced VWF biosynthesis within endothelial cells likely plays a key role. However, pathological enhanced VWF clearance from plasma has also been described in approximately 20% of low VWF cases. For low VWF patients who require hemostatic treatment prior to elective procedures, tranexamic acid and desmopressin have both been shown to be efficacious. In this article, we review the current state of the art regarding low VWF. In addition, we consider how low VWF represents an entity that appears to fall between type 1 VWD on the one hand and bleeding disorders of unknown cause on the other.
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Affiliation(s)
- James S O'Donnell
- Irish Centre for Vascular Biology, School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, Dublin 2, Ireland.,National Coagulation Centre, St James's Hospital, Dublin, Ireland.,Irish-Australian Blood Collaborative (IABC) Network, Dublin, Ireland
| | - Ross I Baker
- Irish-Australian Blood Collaborative (IABC) Network, Dublin, Ireland.,Western Australia Centre for Thrombosis and Haemostasis, Perth Blood Institute, Murdoch University, Perth, Australia.,Hollywood Haemophilia Treatment Centre, Hollywood Hospital, Perth, Australia
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15
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Seaman CD. Von Willebrand Disease in Older Patients: A Retrospective Electronic Health Record Review. Clin Appl Thromb Hemost 2022; 28:10760296221146740. [PMID: 36536550 PMCID: PMC9772937 DOI: 10.1177/10760296221146740] [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] [Indexed: 12/24/2022] Open
Abstract
Von Willebrand disease (VWD) is often diagnosed as a consequence of symptoms experienced with hemostatic stressors, such as menstruation and childbirth. Thus, patients seeking medical care for VWD are generally younger. As a result, the natural course of VWD in older adults has not been well described. A retrospective electronic health record review was performed to provide a descriptive analysis of older VWD patients with at least one clinic visit at the Hemophilia Center of Western Pennsylvania (HCWP) between June 1, 2015, and May 31, 2021, and age 45 or older at the time of the visit. Data collected included VWD-related information, multimorbidity, and medications. Age-related change in von Willebrand factor (VWF) levels and the influence of multimorbidity on VWF levels were assessed. Seventy patients had 131 HCWP clinic visits. Hypertension, 34.3%, and osteoarthritis, 32.3%, were the most common multimorbidity-associated conditions. More than 33% of patients were receiving at least one antihemostatic medication. The most common bleeding symptom was ecchymosis, 22.9%. VWF antigen levels, 0.76 IU/mL, and the proportion of patients with normal VWF levels, 54.5%, increased with age to 0.99 IU/mL, p < 0.001, and 78.8%, p < 0.001, respectively. Multimorbidity did not predict change in VWF levels, p = 0.84. Of 62 invasive procedures performed, bleeding occurred in one of nine where VWD-specific therapy was omitted. These findings underscore the importance of describing the natural course of VWD in older adults, especially the critical nature of determining bleeding risk to guide clinical decision-making with the use of antihemostatic drugs and periprocedural VWD-specific therapy.
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Affiliation(s)
- Craig D. Seaman
- Department of Medicine, Division of Hematology/Oncology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA,Hemophilia Center of Western Pennsylvania, Pittsburgh, Pennsylvania, USA,Craig Seaman, Assistant Professor of Medicine, Division Hematology/Oncology, University of Pittsburgh, Associate Director, Hemophilia Center of Western Pennsylvania, 3636 Boulevard of the Allies, Pittsburgh, PA 15213-4306, USA.
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16
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Lavin M, Christopherson P, Grabell J, Abshire T, Flood V, Haberichter SL, Lillicrap D, O’Donnell JS, Montgomery RR, James PD. Longitudinal bleeding assessment in von Willebrand disease utilizing an interim bleeding score. J Thromb Haemost 2022; 20:2246-2254. [PMID: 35780487 PMCID: PMC10193460 DOI: 10.1111/jth.15807] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 05/24/2022] [Accepted: 06/10/2022] [Indexed: 01/01/2023]
Abstract
BACKGROUND Assessment of bleeding phenotype is critically important in the diagnosis of von Willebrand disease (VWD). Despite advances in bleeding assessment tools (BATs), standardized tools to evaluate bleeding following diagnosis (interim bleeding) are lacking. OBJECTIVES We assessed the clinical utility of an interim bleeding protocol in a multicenter, international study involving patients with VWD. METHODS The enrolment ISTH BAT formed the original bleeding score (0 BS). At follow-up, the International Society on Thrombosis and Haemostasis BAT was repeated but included only interval bleeding (Interim BS, 1 BS). Both scores were annualized (0 BS/yr, 1 BS/yr). BS were analyzed by VWD subtype, plasma VWF level, sex, and age. RESULTS Interim BS discriminated by subtype, with significantly increased 0 BS and 1 BS in patients with type 3 VWD. In patients with type 1 VWD, a positive or negative 0 BS did not predict future bleeding, with similar 1 BS/yr (median 1.0 vs. 0.7, p = .2). Despite significantly higher 0 BS in females with type 1 VWD than males (median 7 vs. 5, p = .0012), 1 BS were not significantly different (median 4 vs. 4, p = .16). While 0 BS were lower in children than adults with type 1 VWD, interim BS were similar (median 5 vs. 3, p = .5; 1BS/yr, median 1 vs. 0.8, p = .7). Interestingly, in those with plasma von Willebrand factor:ristocetin cofactor levels >50 IU/dl, interim BS rates were similar to those 30-50 IU/dl (1 BS/yr 0.8 vs. 1.3, p = .5). CONCLUSION This study provides both a new approach to longitudinal bleeding assessment and insights into the evolution of bleeding in VWD.
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Affiliation(s)
- Michelle Lavin
- National Coagulation Centre, St. James’s Hospital, Dublin, Ireland
- Irish Centre for Vascular Biology, Royal College of Surgeons in Ireland, Dublin, Ireland
| | | | - Julie Grabell
- Department of Medicine, Queen’s University, Kingston, Ontario, Canada
| | - Thomas Abshire
- Blood Research Institute, Versiti, Milwaukee, Wisconsin, USA
| | - Veronica Flood
- Blood Research Institute, Versiti, Milwaukee, Wisconsin, USA
| | | | - David Lillicrap
- Department of Pathology & Molecular Medicine, Queen’s University, Kingston, Ontario, Canada
| | - James S. O’Donnell
- National Coagulation Centre, St. James’s Hospital, Dublin, Ireland
- Irish Centre for Vascular Biology, Royal College of Surgeons in Ireland, Dublin, Ireland
| | | | - Paula D. James
- Department of Medicine, Queen’s University, Kingston, Ontario, Canada
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17
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Rugeri L, Harroche A, Repessé Y, Desprez D, Petesch BP, Chamouni P, Biron C, Frotscher B, Catovic H, Bracquart D, Martin C, Trossaërt M, Meunier S, d'Oiron R. Effectiveness of long-term prophylaxis using pdFVIII/VWF concentrate in patients with inherited von Willebrand disease. Eur J Haematol Suppl 2022; 109:109-117. [PMID: 35438801 PMCID: PMC9322399 DOI: 10.1111/ejh.13778] [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: 02/02/2022] [Revised: 04/05/2022] [Accepted: 04/06/2022] [Indexed: 11/26/2022]
Abstract
Background Patients with symptomatic von Willebrand disease (VWD) should be offered long‐term prophylaxis (LTP) to prevent recurrent bleedings. Our objective was to evaluate the effectiveness and safety of Voncento®, a plasma‐derived FVIII/VWF concentrate (ratio 1:2.4), administrated in LTP. Methods We included patients from the OPALE study (May 2016 to April 2021), a French multicenter observational study following patients with inherited VWD, who received a Voncento® LTP during the study period. Results Among the 130 OPALE‐study patients, 23 patients (12 women) received a LTP and were therefore included. The median (range) age was 16 (1–85) years; 16 patients were type 3, 1 was type 2A, 6 were type 2B. Before inclusion, 19 (83%) were under LTP and 4 (17%) received on‐demand (OD) treatment. The indications for initiating prophylaxis in the overall population were joint bleeding (43%), ear, nose, and throat (ENT) bleeding including epistaxis or oral bleeding (39%), and recurrent muscle hematoma (22%). The medians (ranges) dose of Voncento® per infusion, frequency, and weekly dose were 45 (33–109) IU/kg, 2 infusions per week, and 96 (44–222) IU/kg/week, respectively. The median (range) annualized bleeding rate (ABR) was 0.8, 0.7 (0–3.5), and 0 (0–2.3) for type 2A, 2B, 3 patients, respectively. There was no difference regarding to the dose, frequency of infusion, or in terms of ABR in 9/19 patients who replaced previous concentrates with Voncento®. During the study period, no adverse event was reported. Conclusion These results suggest that Voncento® is effective to prevent recurrent bleedings in patients symptomatic VWD.
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Affiliation(s)
- Lucia Rugeri
- Unité Hémostase Clinique, Hospices Civils de Lyon, Bron, France
| | - Annie Harroche
- Hemophilia Care Centre, Hematology unit, Hôpital Universitaire Necker enfants malades, Paris, France
| | - Yohan Repessé
- Unité Hémostase et Centre Régional de Traitement des maladies Hémorragiques, Institut de Biologie Clinique, Hôpital Charles Nicolle, Rouen, France
| | - Dominique Desprez
- Centre de Traitement de l'Hémophilie, CHU Strasbourg, Strasbourg, France
| | | | - Pierre Chamouni
- Unité Hémostase et Centre Régional de Traitement des maladies Hémorragiques, Institut de Biologie Clinique, Hôpital Charles Nicolle, Rouen, France
| | - Christine Biron
- Département d'Hématologie biologique, CHU de Montpellier, Montpellier, France
| | - Birgit Frotscher
- CRTH - Service d'hématologie biologique, CHU de Nancy, Nancy, France
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18
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Jain N, Oldenburg J, Ozelo MC, Sun SX, Tang L, Tzivelekis S. Recent advances in therapeutic options for rare hemostatic disorders: selected poster extracts of recent research in hemophilia A, congenital hemophilia with inhibitors, von Willebrand disease, and thrombotic thrombocytopenic purpura presented at the 29th congress of the International Society on Thrombosis and Haemostasis (ISTH 2021, Jul 17-21; virtual congress). Expert Rev Hematol 2022; 15:1-18. [PMID: 35748691 DOI: 10.1080/17474086.2022.2074395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Hemophilia, von Willebrand disease (VWD), and thrombotic thrombocytopenic purpura (TTP) are rare diseases affecting normal hemostasis. Although they differ in their pathogenesis and clinical manifestation, if left undiagnosed and untreated, all these conditions can result in severe long-term consequences and can be potentially life-threatening. This article summarizes a poster series funded by Takeda and presented virtually at the 29th annual congress of the International Society on Thrombosis and Haemostasis (ISTH) in 2021: Data from real-world evidence highlight the importance of joint health and personalized prophylaxis to prevent bleeding for patients with hemophilia, the need to further raise disease awareness in support of timely diagnosis and access to treatment in general practice settings for patients with VWD, and describe the clinical burden for patients with TTP and the importance to advance treatment options for these patients.
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Affiliation(s)
- Nisha Jain
- Takeda Development Center Americas, Inc., Cambridge, MA, USA
| | - Johannes Oldenburg
- Institute for Experimental Hematology and Transfusion Medicine, Bonn University Clinic, Bonn, Germany
| | - Margareth C Ozelo
- Hemocentro UNICAMP, Department of Internal Medicine, School of Medical Sciences, University of Campinas, São Paulo, Brazil
| | - Shawn X Sun
- Takeda Development Center Americas, Inc., Cambridge, MA, USA
| | - Leilei Tang
- Takeda Pharmaceuticals International AG, Zürich, Switzerland
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19
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Cnossen MH, van Moort I, Reitsma SH, de Maat MPM, Schutgens REG, Urbanus RT, Lingsma HF, Mathot RAA, Gouw SC, Meijer K, Bredenoord AL, van der Graaf R, Fijnvandraat K, Meijer AB, van den Akker E, Bierings R, Eikenboom JCJ, van den Biggelaar M, de Haas M, Voorberg J, Leebeek FWG. SYMPHONY consortium: Orchestrating personalized treatment for patients with bleeding disorders. J Thromb Haemost 2022; 20:S1538-7836(22)02096-7. [PMID: 35652368 PMCID: PMC9545335 DOI: 10.1111/jth.15778] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 05/11/2022] [Accepted: 05/27/2022] [Indexed: 11/27/2022]
Abstract
BACKGROUND Treatment choices for individual patients with an inborn bleeding disorder are increasingly challenging due to increasing options and rising costs for society. We have initiated an integrated interdisciplinary national research programme. OBJECTIVES The SYMPHONY consortium strives to orchestrate personalized treatment in patients with an inborn bleeding disorder, by unravelling the mechanisms behind inter-individual variations of bleeding phenotype. PATIENTS The SYMPHONY consortium will investigate patients with an inborn bleeding disorder, both diagnosed and not yet diagnosed. RESULTS Research questions are categorized under the themes: 1) Diagnosis; 2) Treatment; and 3) Fundamental research and consist of workpackages addressing specific domains. Importantly, collaborations between patients and talented researchers from different areas of expertise promise to augment the impact of the SYMPHONY consortium, leading to unique interactions and intellectual property. CONCLUSIONS SYMPHONY will perform research on all aspects of care, treatment individualization in patients with inborn bleeding disorders as well as diagnostic innovations and results of molecular genetics and cellular model technology with regard to the hemostatic process. We believe that these research investments will lead to health care innovations with long-term clinical and societal impact. This consortium has been made possible by a governmental, competitive grant from the Netherlands Organization for Scientific Research (NWO) within the framework of the NWA-ORC Call grant agreement NWA.1160.18.038.
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Affiliation(s)
- Marjon H. Cnossen
- Department of Pediatric Hematology and OncologyErasmus University Medical Center, Erasmus MC Sophia Children’s HospitalRotterdamthe Netherlands
| | - Iris van Moort
- Department of HematologyErasmus University Medical Center, Erasmus MC RotterdamRotterdamthe Netherlands
| | - Simone H. Reitsma
- Department of Pediatric Hematology and OncologyErasmus University Medical Center, Erasmus MC Sophia Children’s HospitalRotterdamthe Netherlands
| | - Moniek P. M. de Maat
- Department of HematologyErasmus University Medical Center, Erasmus MC RotterdamRotterdamthe Netherlands
| | - Roger E. G. Schutgens
- Center for Benign Hematology, Thrombosis and Hemostasis, Van Creveldkliniek, University Medical Center Utrecht, Utrecht UniversityUtrechtthe Netherlands
| | - Rolf T. Urbanus
- Center for Benign Hematology, Thrombosis and Hemostasis, Van Creveldkliniek, University Medical Center Utrecht, Utrecht UniversityUtrechtthe Netherlands
| | - Hester F. Lingsma
- Department of Public HealthErasmus University Medical Center, Erasmus MC RotterdamRotterdamthe Netherlands
| | - Ron A. A. Mathot
- Department of Hospital Pharmacy‐Clinical PharmacologyAmsterdam University Medical CentersAmsterdamthe Netherlands
| | - Samantha C. Gouw
- Department of Pediatric HematologyEmma Children’s Hospital, Amsterdam UMC, University of AmsterdamAmsterdamthe Netherlands
| | - Karina Meijer
- Department of HematologyUniversity Medical Center Groningen, University of GroningenGroningenthe Netherlands
| | | | - Rieke van der Graaf
- Julius Center for Health Sciences and Primary CareDepartment of Medical HumanitiesUniversity Medical Center UtrechtUtrechtthe Netherlands
| | - Karin Fijnvandraat
- Department of Pediatric HematologyEmma Children’s Hospital, Amsterdam UMC, University of AmsterdamAmsterdamthe Netherlands
- Sanquin Research, Department of Molecular HematologyAmsterdamthe Netherlands
- Landsteiner Laboratory, Amsterdam UMC, University of AmsterdamAmsterdamthe Netherlands
| | - Alexander B. Meijer
- Sanquin Research, Department of Molecular HematologyAmsterdamthe Netherlands
- Landsteiner Laboratory, Amsterdam UMC, University of AmsterdamAmsterdamthe Netherlands
| | - Emile van den Akker
- Sanquin Research, Department of HematopoiesisAmsterdamthe Netherlands
- Landsteiner Laboratory, Amsterdam UMC, University of AmsterdamAmsterdamthe Netherlands
| | - Ruben Bierings
- Department of HematologyErasmus University Medical Center, Erasmus MC RotterdamRotterdamthe Netherlands
| | - Jeroen C. J. Eikenboom
- Department of Internal Medicine, Division of Thrombosis and HemostasisLeiden University Medical CenterLeidenthe Netherlands
| | - Maartje van den Biggelaar
- Sanquin Research, Department of Molecular HematologyAmsterdamthe Netherlands
- Landsteiner Laboratory, Amsterdam UMC, University of AmsterdamAmsterdamthe Netherlands
| | - Masja de Haas
- Sanquin Diagnostic Services and Center for Clinical Transfusion ResearchAmsterdamthe Netherlands
- Department of HematologyLeiden University Medical CenterLeidenthe Netherlands
| | - Jan Voorberg
- Sanquin Research, Department of Molecular HematologyAmsterdamthe Netherlands
- Landsteiner Laboratory, Amsterdam UMC, University of AmsterdamAmsterdamthe Netherlands
| | - Frank W. G. Leebeek
- Department of HematologyErasmus University Medical Center, Erasmus MC RotterdamRotterdamthe Netherlands
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20
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Swinkels M, Atiq F, Bürgisser PE, van Moort I, Meijer K, Eikenboom J, Fijnvandraat K, van Galen KPM, de Meris J, Schols SEM, van der Bom JG, Cnossen MH, Voorberg J, Leebeek FWG, Bierings R, Jansen AJG. Platelet degranulation and bleeding phenotype in a large cohort of Von Willebrand disease patients. Br J Haematol 2022; 197:497-501. [PMID: 36165954 PMCID: PMC9314899 DOI: 10.1111/bjh.18145] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 02/24/2022] [Accepted: 03/02/2022] [Indexed: 11/30/2022]
Abstract
Von Willebrand disease (VWD) is a bleeding disorder caused by quantitative (type 1 or 3) or qualitative (type 2A/2B/2M/2N) defects of circulating von Willebrand factor (VWF). Circulating VWF levels not always fully explain bleeding phenotypes, suggesting a role for alternative factors, like platelets. Here, we investigated platelet factor 4 (PF4) in a large cohort of patients with VWD. PF4 levels were lower in type 2B and current bleeding phenotype was significantly associated with higher PF4 levels, particularly in type 1 VWD. Based on our findings we speculate that platelet degranulation and cargo release may play a role across VWD subtypes.
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Affiliation(s)
- Maurice Swinkels
- Department of HematologyErasmus University Medical CenterRotterdamThe Netherlands
| | - Ferdows Atiq
- Department of HematologyErasmus University Medical CenterRotterdamThe Netherlands
| | - Petra E. Bürgisser
- Department of HematologyErasmus University Medical CenterRotterdamThe Netherlands
| | - Iris van Moort
- Department of HematologyErasmus University Medical CenterRotterdamThe Netherlands
| | - Karina Meijer
- Department of Hematology, University Medical Center GroningenUniversity of GroningenGroningenThe Netherlands
| | - Jeroen Eikenboom
- Department of Internal Medicine, Division of Thrombosis and HemostasisLeiden University Medical CenterLeidenThe Netherlands
- Einthoven Laboratory for Vascular and Regenerative MedicineLeiden University Medical CenterLeidenThe Netherlands
| | - Karin Fijnvandraat
- Department of Pediatric HematologyEmma Children's Hospital‐Academic Medical CentreAmsterdamThe Netherlands
| | - Karin P. M. van Galen
- Van Creveldkliniek, University Medical Center UtrechtUtrecht UniversityUtrechtThe Netherlands
| | | | - Saskia E. M. Schols
- Department of HematologyRadboud University Medical Center and Hemophilia Treatment Center Nijmegen‐Eindhoven‐MaastrichtNijmegenThe Netherlands
| | - Johanna G. van der Bom
- Department of Clinical EpidemiologyLeiden University Medical CenterLeidenThe Netherlands
| | - Marjon H. Cnossen
- Department of Pediatric HematologyErasmus University Medical Center‐Sophia Children's HospitalRotterdamThe Netherlands
| | - Jan Voorberg
- Department of Molecular Hematology, Sanquin Research and Landsteiner Laboratory, Amsterdam University Medical CenterUniversity of AmsterdamAmsterdamThe Netherlands
- Department of Experimental Vascular Medicine, Amsterdam University Medical CenterUniversity of AmsterdamAmsterdamThe Netherlands
| | - Frank W. G. Leebeek
- Department of HematologyErasmus University Medical CenterRotterdamThe Netherlands
| | - Ruben Bierings
- Department of HematologyErasmus University Medical CenterRotterdamThe Netherlands
| | - A. J. Gerard Jansen
- Department of HematologyErasmus University Medical CenterRotterdamThe Netherlands
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21
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Desmopressin response depends on the presence and type of genetic variants in patients with type 1 and type 2 von Willebrand disease. Blood Adv 2022; 6:5317-5326. [PMID: 35446929 PMCID: PMC9631688 DOI: 10.1182/bloodadvances.2021006757] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Accepted: 04/04/2022] [Indexed: 11/30/2022] Open
Abstract
All type 1 VWD patients without a VWF gene variant have a complete response to desmopressin. In type 1 and type 2 VWD patients with a VWF gene variant, desmopressin response highly depends on the causative VWF gene variant.
Patients with type 1 and type 2 von Willebrand disease (VWD) can be treated with desmopressin. Although a previous study has shown that the location of the causative VWF gene variant is associated with desmopressin response in type 1 VWD, the association between variants in the VWF gene and desmopressin response is not yet fully understood. Our primary aim was to compare desmopressin response in type 1 VWD patients with and without a VWF gene variant. Secondly, we investigated whether desmopressin response depends on specific VWF gene variants in type 1 and type 2 VWD. We included 250 patients from the Willebrand in the Netherlands study: 72 type 1 without a VWF gene variant, 108 type 1 with a variant, 45 type 2A, 16 type 2M, and 9 type 2N patients. VWF gene was analyzed with ion semiconductor sequencing and Multiplex Ligation-dependent Probe Amplification. Complete response to desmopressin was observed in all type 1 VWD patients without a variant, 64.3% of type 1 patients with a variant, and 31.3% of type 2 patients (P < .001). Despite a large interindividual variability in desmopressin response, patients with the same variant had comparable desmopressin responses. For instance, in 6 type 1 patients with exon 4 to 5 deletion, mean VWF activity at 1 hour after desmopressin was 0.81 IU/mL, with a coefficient of variation of 22.9%. In conclusion, all type 1 VWD patients without a VWF gene variant respond to desmopressin. In type 1 and type 2 VWD patients with a VWF variant, desmopressin response highly depends on the VWF gene variants.
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22
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Jiménez-Yuste V, Alvarez-Román MT, Palomo Bravo Á, Galmes BJ, Nieto Hernández MDM, Benítez Hidalgo O, Marzo Alonso C, Pérez González NF, Coll J, Núñez R, Carrasco M, García Candel F, Gonzalez-Porras JR, Hernández García C, Varó Castro MJ, Mir R. Clinical Efficacy and Safety of Fanhdi ®, a Plasma-Derived VWF/Factor VIII Concentrate, in von Willebrand Disease in Spain: A Retrospective Study. Clin Appl Thromb Hemost 2022; 28:10760296221074348. [PMID: 35108125 PMCID: PMC8814963 DOI: 10.1177/10760296221074348] [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] [Indexed: 11/16/2022] Open
Abstract
Objective To evaluate the efficacy and safety of a plasma-derived factor VIII concentrate containing von Willebrand Factor (pdVWF/FVIII) in standard clinical practice in von Willebrand Disease (VWD) patients. Methods A retrospective, multicentric, observational study of VWD patients treated with Fanhdi®, a pdVWF/FVIII concentrate, from January 2011 to December 2017 was conducted at 14 centers in Spain. Efficacy and safety were evaluated for acute bleeding episodes, for prevention of bleeding in surgeries, and for secondary long-term prophylaxis. Results Seventy-two eligible patients, type 1, 2, 3 VWD (25%/38.9%/36.1%) were treated for spontaneous and traumatic bleeding (140 episodes, n = 41 patients), to prevent surgical bleeding (69 episodes, n = 43 patients); and for secondary long-term prophylaxis (18 programs, n = 13 patients). Replacement therapy with pdVWF/FVIII showed an excellent to good clinical efficacy in 96.7% of the bleeding episodes, 100% during surgical procedures and 100% during prophylaxis. No adverse events (AEs), nor serious AEs related to the product were observed. Conclusions Fanhdi® was effective, safe and well tolerated in the management of bleeding episodes, the prevention of bleeding during surgeries, and for secondary long-term prophylaxis in VWD patients.
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Affiliation(s)
- Víctor Jiménez-Yuste
- Department of Hematology and Hemotherapy, Hospital Universitario La Paz, Autónoma University, Madrid, Spain
| | - María Teresa Alvarez-Román
- Department of Hematology and Hemotherapy, Hospital Universitario La Paz, Autónoma University, Madrid, Spain
| | | | - Bernardo J Galmes
- Hematology Service, Hospital Universitario Son Espases, Palma de Mallorca, Spain
| | | | | | - Cristina Marzo Alonso
- Hematology and Hemotherapy Service, Hospital Universitari Arnau de Vilanova, Lleida, Spain
| | | | - Julia Coll
- Hematology Service, Complejo Hospitalario de Navarra, Pamplona, Spain
| | - Ramiro Núñez
- Hematology Service, Hospital Virgen del Rocío, Sevilla, Spain
| | - Marina Carrasco
- Thrombosis and Hemostasis Unit, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
| | - Faustino García Candel
- Hematology and Hemotherapy Service, Hospital Clínico Universitario Virgen Arrixaca, Murcia, Spain
| | | | | | | | - Roser Mir
- Scientific and Medical Affairs Department, Grifols, Barcelona, Spain
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23
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Maas DPMSM, Atiq F, Blijlevens NMA, Brons P, Krouwel S, Laros‐van Gorkom BAP, Leebeek F, Nieuwenhuizen L, Schoormans SCM, Simons A, Meijer D, van Heerde WL, Schols SEM. Von Willebrand disease type 2M: Correlation between genotype and phenotype. J Thromb Haemost 2022; 20:316-327. [PMID: 34758185 PMCID: PMC9299039 DOI: 10.1111/jth.15586] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 10/21/2021] [Accepted: 11/05/2021] [Indexed: 12/27/2022]
Abstract
BACKGROUND An appropriate clinical diagnosis of von Willebrand disease (VWD) can be challenging because of a variable bleeding pattern and laboratory phenotype. Genotyping is a powerful diagnostic tool and may have an essential role in the diagnostic field of VWD. OBJECTIVES To unravel the clinical and laboratory heterogeneity of genetically confirmed VWD type 2M patients and to investigate their relationship. METHODS Patients with a confirmed VWD type 2M genetic variant in the A1 or A3 domain of von Willebrand factor (VWF) and normal or only slightly aberrant VWF multimers were selected from all subjects genotyped at the Radboud university medical center because of a high suspicion of VWD. Bleeding scores and laboratory results were analyzed. RESULTS Fifty patients had a clinically relevant genetic variant in the A1 domain. Median bleeding score was 5. Compared with the nationwide Willebrand in the Netherlands study type 2 cohort, bleeding after surgery or delivery was reported more frequently and mucocutaneous bleedings less frequently. Median VWF activity/VWF antigen (VWF:Act/VWF:Ag) ratio was 0.32, whereas VWF collagen binding activity/VWF antigen (VWF:CB/VWF:Ag) ratio was 0.80. Variants in the A3 domain were only found in two patients with low to normal VWF:Act/VWF:Ag ratios (0.45, 1.03) and low VWF:CB/VWF:Ag ratios (0.45, 0.63). CONCLUSION Genetically confirmed VWD type 2M patients have a relatively mild clinical phenotype, except for bleeding after surgery and delivery. Laboratory phenotype is variable and depends on the underlying genetic variant. Addition of genotyping to the current phenotypic characterization may improve diagnosis and classification of VWD.
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Affiliation(s)
- Dominique P. M. S. M. Maas
- Department of HematologyRadboud university medical centerNijmegenthe Netherlands
- Hemophilia Treatment Center Nijmegen‐Eindhoven‐Maastrichtthe Netherlands
| | - Ferdows Atiq
- Department of HematologyErasmus University Medical CenterRotterdamthe Netherlands
| | | | - Paul P. T. Brons
- Hemophilia Treatment Center Nijmegen‐Eindhoven‐Maastrichtthe Netherlands
- Department of Pediatric Hemato‐OncologyRadboud university medical centerNijmegenthe Netherlands
| | - Sandy Krouwel
- Department of Laboratory MedicineLaboratory of HematologyRadboud university medical centerNijmegenthe Netherlands
| | - Britta A. P. Laros‐van Gorkom
- Department of HematologyRadboud university medical centerNijmegenthe Netherlands
- Hemophilia Treatment Center Nijmegen‐Eindhoven‐Maastrichtthe Netherlands
| | - Frank W. G. Leebeek
- Department of HematologyErasmus University Medical CenterRotterdamthe Netherlands
| | - Laurens Nieuwenhuizen
- Hemophilia Treatment Center Nijmegen‐Eindhoven‐Maastrichtthe Netherlands
- Department of HematologyMaxima Medical CenterEindhoventhe Netherlands
| | - Selene C. M. Schoormans
- Department of Laboratory MedicineLaboratory of HematologyRadboud university medical centerNijmegenthe Netherlands
| | - Annet Simons
- Department of Human GeneticsRadboud university medical centerNijmegenthe Netherlands
| | - Daniëlle Meijer
- Department of Laboratory MedicineLaboratory of HematologyRadboud university medical centerNijmegenthe Netherlands
| | - Waander L. van Heerde
- Department of HematologyRadboud university medical centerNijmegenthe Netherlands
- Hemophilia Treatment Center Nijmegen‐Eindhoven‐Maastrichtthe Netherlands
- Enzyre BVNovio Tech CampusNijmegenthe Netherlands
| | - Saskia E. M. Schols
- Department of HematologyRadboud university medical centerNijmegenthe Netherlands
- Hemophilia Treatment Center Nijmegen‐Eindhoven‐Maastrichtthe Netherlands
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24
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van Hoorn ES, Houwing ME, Al Arashi W, Leebeek FWG, Hazelzet JA, Gouw SC, Schutgens REG, Schols SEM, Lingsma HF, Cnossen MH. Patient-reported outcomes in autosomal inherited bleeding disorders: A systematic literature review. Haemophilia 2022; 28:197-214. [PMID: 35040234 PMCID: PMC9305757 DOI: 10.1111/hae.14492] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 10/31/2021] [Accepted: 12/23/2021] [Indexed: 01/04/2023]
Abstract
Aim Currently, it is unknown which patient‐reported outcomes are important for patients with autosomal inherited bleeding disorders. Therefore, the purpose of this study is to systematically review the available literature assessing patient‐reported outcomes and their measurement methods in autosomal inherited bleeding disorders. Methods The Embase, Medline ALL, Web of Science Core Collection, Cochrane Central Register of Controlled Trails and Google Scholar databases were searched from inception until 14 August 2020. Studies on patient‐reported outcomes in patients with von Willebrand disease, inherited platelet function disorders and coagulation factor deficiencies were included. Results Twenty‐one articles met the inclusion criteria. Three studies were assessed as having poor quality, and therefore a high risk of bias. Nineteen studies had fair quality rating. Different measurements methods were used, ranging from predefined to self‐developed questionnaires. The majority of included studies focused on von Willebrand disease. Patients with von Willebrand disease reported lower health‐related quality of life compared to the general population. Overall, this trend was especially visible in the following domains: vitality, physical and social functioning and pain. Women with inherited bleeding disorders scored lower on health‐related quality of life compared to men, especially women with heavy menstrual bleeding. Patients with joint bleeds or heavy menstrual bleeding reported an increased level of pain. Conclusion Patients with autosomal inherited bleeding disorders report lower health related quality of life, especially those with joint bleeds or heavy menstrual bleeding. Numerous measurement methods are used in patients with autosomal inherited bleeding disorders, highlighting the need for studies using established, standardized measurement methods.
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Affiliation(s)
- Evelien S van Hoorn
- Erasmus MC, University Medical Centre Rotterdam, Department of Public Health, Rotterdam, The Netherlands
| | - Maite E Houwing
- Erasmus MC - Sophia Children's Hospital, University Medical Centre Rotterdam, Department of Paediatric Haematology, Rotterdam, The Netherlands
| | - Wala Al Arashi
- Erasmus MC - Sophia Children's Hospital, University Medical Centre Rotterdam, Department of Paediatric Haematology, Rotterdam, The Netherlands
| | - Frank W G Leebeek
- Erasmus MC, Erasmus University Medical Centre Rotterdam, Department of Haematology, Rotterdam, The Netherlands
| | - Jan A Hazelzet
- Erasmus MC, University Medical Centre Rotterdam, Department of Public Health, Rotterdam, The Netherlands
| | - Samantha C Gouw
- Emma Children's Hospital, Amsterdam UMC, University of Amsterdam, Department of Paediatric Haematology, Amsterdam, The Netherlands
| | - Roger E G Schutgens
- Van Creveldkliniek, University Medical Centre Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Saskia E M Schols
- Radboud University Medical Centre, Department of Haematology, Nijmegen, The Netherlands
| | - Hester F Lingsma
- Erasmus MC, University Medical Centre Rotterdam, Department of Public Health, Rotterdam, The Netherlands
| | - Marjon H Cnossen
- Erasmus MC - Sophia Children's Hospital, University Medical Centre Rotterdam, Department of Paediatric Haematology, Rotterdam, The Netherlands
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- Erasmus MC, University Medical Centre Rotterdam, Department of Public Health, Rotterdam, The Netherlands
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25
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Samii A, Norouzi M, Ahmadi A, Dorgalaleh A. Gastrointestinal Bleeding in Congenital Bleeding Disorders. Semin Thromb Hemost 2022; 48:529-541. [PMID: 35021252 DOI: 10.1055/s-0041-1741571] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Gastrointestinal bleeding (GIB) is serious, intractable, and potentially life-threatening condition. There is considerable heterogeneity in GIB phenotypes among congenital bleeding disorders (CBDs), making GIB difficult to manage. Although GIB is rarely encountered in CBDs, its severity in some patients makes the need for a comprehensive and precise assessment of underlying factors and management approaches imperative. Initial evaluation of GIB begins with assessment of hematological status; GIB should be ruled out in patients with chronic anemia, and in presentations that include hematemesis, hematochezia, or melena. High-risk patients with recurrent GIB require urgent interventions such as replacement therapy for treatment of coagulation factor deficiency (CFD). However, the best management strategy for CFD-related bleeding remains controversial. While several investigations have identified CBDs as potential risk factors for GIB, research has focused on assessing the risks for individual factor deficiencies and other CBDs. This review highlights recent findings on the prevalence, management strategies, and alternative therapies of GIB related to CFDs, and platelet disorders.
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Affiliation(s)
- Amir Samii
- Department of Hematology and Blood Transfusion, School of Allied Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mahshaad Norouzi
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran
| | - Abbas Ahmadi
- Cellular and Molecular Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj, Iran
| | - Akbar Dorgalaleh
- Department of Hematology and Blood Transfusion, School of Allied Medicine, Iran University of Medical Sciences, Tehran, Iran
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26
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Du P, Morgan G, Brighton S, Sun SX. Disease Burden in Patients with von Willebrand Disease Potentially Eligible for Prophylaxis: Post Hoc Analysis of a European Cross-Sectional Study. Clin Appl Thromb Hemost 2022; 28:10760296221130334. [DOI: 10.1177/10760296221130334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Recent international guidelines conditionally recommend von Willebrand factor (VWF) prophylaxis for von Willebrand disease (VWD) patients with a history of severe/frequent bleeds. This post hoc analysis of the Cost of VWD Across Europe, a Socioeconomic Study (CVESS; conducted in 2018), assessed patient characteristics and disease burden in patients aged >1 year with congenital VWD not receiving but potentially eligible for prophylaxis based on severe/frequent bleeds, and those receiving prophylaxis in the previous 12 months. Data were collected using medical records and a patient questionnaire. Patients considered potentially prophylaxis-eligible (n = 102) experienced more bleeds than patients receiving prophylaxis (n = 229) and were more likely to be admitted to the hospital due to bleeding events in the prior 12 months. Quality of life and work productivity were similar between the two groups. Logistic regression analysis showed that the prophylaxis-eligible group was more likely to have poor joint function and moderate chronic pain than the prophylaxis group. This retrospective study suggests that 1/7 patients not receiving VWF prophylaxis had a higher disease burden than patients receiving prophylaxis and would potentially benefit from prophylaxis.
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Affiliation(s)
- Ping Du
- Takeda Development Center Americas, Inc., Cambridge, MA, USA
| | | | | | - Shawn X. Sun
- Takeda Development Center Americas, Inc., Cambridge, MA, USA
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27
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Kempers EK, van Kwawegen CB, de Meris J, Schols SEM, van Galen KPM, Meijer K, Cnossen MH, van der Bom JG, Fijnvandraat K, Eikenboom J, Atiq F, Leebeek FWG. Social participation is reduced in type 3 Von Willebrand disease patients and in patients with a severe bleeding phenotype. Haemophilia 2021; 28:278-285. [PMID: 34964530 PMCID: PMC9304182 DOI: 10.1111/hae.14475] [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: 09/13/2021] [Revised: 12/02/2021] [Accepted: 12/06/2021] [Indexed: 11/30/2022]
Abstract
INTRODUCTION The negative impact of haemophilia on social participation is well established in previous studies, however, the impact of Von Willebrand disease (VWD) on social participation has not been studied. AIM To compare the social participation of a large cohort of VWD patients in the Netherlands with the general Dutch population. In addition, to identify factors associated with social participation in VWD. METHODS Patients participating in the "Willebrand in the Netherlands" study completed an extensive questionnaire on educational level, absenteeism from school or work, and occupational disabilities. RESULTS Seven-hundred and eighty-eight VWD patients were included (mean age 38.9 years, 59.5% females), of whom 136 children < 16 years. Adult patients with type 3 VWD more often had a low educational level (52.9%) compared to type 1 (40.2%), type 2 VWD (36.8%) and the general population (36.4%) (p = .005). Moreover, in patients aged ≥16 years the days lost from school and/or work in the year prior to study inclusion differed significantly between the VWD types (p = .011). Using negative binomial regression analysis, the occurrence of bleeding episodes requiring treatment in the year preceding study inclusion was significantly associated with the number of days lost from school and/or work among patients aged ≥16 years. Multivariable logistic regression analysis showed that a higher total bleeding score, older age and presence of at least one comorbidity were significantly associated with occupational disability in patients aged ≥16 years. CONCLUSION Our study shows that social participation was lower in type 3 VWD and VWD patients with a more severe bleeding phenotype.
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Affiliation(s)
- Eva K Kempers
- Department of Haematology, Erasmus MC, University Medical Centre Rotterdam, Rotterdam, The Netherlands
| | - Calvin B van Kwawegen
- Department of Haematology, Erasmus MC, University Medical Centre Rotterdam, Rotterdam, The Netherlands
| | - Joke de Meris
- Netherlands Haemophilia Society, Leiden, The Netherlands
| | - Saskia E M Schols
- Department of Haematology, Radboud University Medical Centre, Nijmegen and Haemophilia Treatment Centre Nijmegen-Eindhoven-Maastricht, Nijmegen, The Netherlands
| | - Karin P M van Galen
- Department van Creveldkliniek, University Medical Centre Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Karina Meijer
- Department of Haematology, University Medical Centre Groningen, University of Groningen, Groningen, The Netherlands
| | - Marjon H Cnossen
- Department of Paediatric Haematology and Oncology, Erasmus MC Sophia Children's Hospital, University Medical Centre Rotterdam, Rotterdam, The Netherlands
| | - Johanna G van der Bom
- Department of Clinical Epidemiology, Leiden University Medical Centre, Leiden, The Netherlands.,Jon J. van Rood Centre for Clinical Transfusion Medicine, Sanquin Research, Leiden, The Netherlands
| | - Karin Fijnvandraat
- Amsterdam UMC, University of Amsterdam, Emma Children's Hospital, Paediatric Haematology, Amsterdam, The Netherlands.,Sanquin Research, Department of Molecular Cellular Haemostasis, Amsterdam, The Netherlands
| | - Jeroen Eikenboom
- Department of Internal Medicine, Division of Thrombosis and Haemostasis, Leiden University Medical Centre, Leiden, The Netherlands.,Einthoven Laboratory for Vascular and Regenerative Medicine, Leiden University Medical Centre, Leiden, The Netherlands
| | - Ferdows Atiq
- Department of Haematology, Erasmus MC, University Medical Centre Rotterdam, Rotterdam, The Netherlands
| | - Frank W G Leebeek
- Department of Haematology, Erasmus MC, University Medical Centre Rotterdam, Rotterdam, The Netherlands
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Reale SC, Farber MK, Lumbreras-Marquez MI, Connors JM, Carabuena JM. Anesthetic Management of Von Willebrand Disease in Pregnancy: A Retrospective Analysis of a Large Case Series. Anesth Analg 2021; 133:1244-1250. [PMID: 33913917 DOI: 10.1213/ane.0000000000005502] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND Although Von Willebrand disease (vWD) is the most common heritable bleeding disorder, there are limited reports regarding the safety of neuraxial anesthesia in the obstetric population and no definitive guidelines specifying recommended pretreatment or therapies for patients with vWD. The aim of this study is to describe the anesthetic management of pregnant patients with vWD at a large tertiary-care center. METHODS In this retrospective analysis, the study population was identified from vWD patients evaluated by our high-risk obstetric anesthesia consultation service and by diagnosis codes from our institutional research database registry. We manually reviewed records of patients with vWD in pregnancy who delivered at our institution between January 1, 2000 and January 1, 2019 for demographic characteristics, circumstances of vWD diagnosis, history of bleeding, laboratory studies, and overall management of vWD. Anesthetic management of vWD was at the discretion of individual providers, based on multidisciplinary consensus and the specific circumstances of each patient's disease and obstetric presentation. RESULTS We identified 106 deliveries among 71 individual vWD patients. Of the unique patients, 54 had vWD type 1, 6 had vWD type 2, and 11 had vWD type unknown. Forty-three cases (40.6%) were cesarean deliveries. Neuraxial techniques were used in 94 of 106 deliveries (88.7%). Treatment with desmopressin or Von Willebrand factor/factor VIII concentrate before neuraxial anesthesia occurred in 27 of 94 neuraxial anesthetics (28.7%). Eleven deliveries (10.4%) were complicated by postpartum hemorrhage (PPH), defined as estimated blood loss of ≥1000 mL. There were no noted adverse anesthetic outcomes (0 of 106; 0% [95% confidence interval, 0-3.4]), including neuraxial hematoma or thromboembolic events. CONCLUSIONS In this large case series, the majority of vWD patients received neuraxial anesthesia for labor and delivery, with no noted adverse events. This suggests that neuraxial anesthesia can be safely performed with the peripartum management that we describe. Pretreatment was dictated by the type and severity of vWD. Multidisciplinary planning is important to optimize the coagulation status of patients with vWD and facilitate options for analgesia and anesthesia.
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Affiliation(s)
- Sharon C Reale
- From the Department of Anesthesiology, Perioperative and Pain Medicine
| | - Michaela K Farber
- From the Department of Anesthesiology, Perioperative and Pain Medicine
| | | | - Jean M Connors
- Division of Hematology, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Jean M Carabuena
- From the Department of Anesthesiology, Perioperative and Pain Medicine
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Atiq F, Wuijster E, de Maat MP, Kruip MJ, Cnossen MH, Leebeek FW. Criteria for low von Willebrand factor diagnosis and risk score to predict future bleeding. J Thromb Haemost 2021; 19:719-731. [PMID: 33370487 PMCID: PMC7986755 DOI: 10.1111/jth.15227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 12/01/2020] [Accepted: 12/18/2020] [Indexed: 11/27/2022]
Abstract
BACKGROUND Important diagnostic and clinical aspects of moderately reduced von Willebrand factor (VWF) levels are still unknown. There is no clear evidence which cutoff value (0.50 vs 0.60 IU/ml) should be used to diagnose "low VWF." Also, the incidence of bleeding after the diagnosis has been made, and risk factors for bleeding are unknown yet. OBJECTIVES To investigate the incidence of postsurgical bleeding, postpartum hemorrhage (PPH), and traumatic and spontaneous bleeding after low VWF diagnosis, and to develop a risk score to predict future bleeding. METHODS We performed a cohort study in patients with historically lowest VWF levels of 0.31 to 0.60 IU/ml. Clinical data of patients were retrospectively collected. RESULTS We included 439 patients with low VWF. During a follow-up of 6.3 ± 3.7 years, 259 surgical procedures, 81 deliveries, and 109 spontaneous and traumatic bleeding episodes were reported. The incidence of postsurgical bleeding was 2.7%, whereas 10% of deliveries was complicated by PPH. Overall, 65 patients (14.8%) had bleeding requiring treatment, which was not different between patients with historically lowest VWF levels of 0.31-0.50 and 0.51-0.60 IU/ml (p = .154). Age <18 years, abnormal bleeding score at diagnosis, and being referred for bleeding symptoms at the time of diagnosis were independent risk factors for bleeding during follow-up, and therefore included in the risk score. CONCLUSIONS The cutoff value of low VWF diagnosis should be set at 0.60 IU/ml. Furthermore, a risk score is developed to identify individuals with a high risk for bleeding after low VWF diagnosis.
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Affiliation(s)
- Ferdows Atiq
- Department of HematologyErasmus MCUniversity Medical Center RotterdamRotterdamThe Netherlands
| | - Esmee Wuijster
- Department of HematologyErasmus MCUniversity Medical Center RotterdamRotterdamThe Netherlands
| | - Moniek P.M. de Maat
- Department of HematologyErasmus MCUniversity Medical Center RotterdamRotterdamThe Netherlands
| | - Marieke J.H.A. Kruip
- Department of HematologyErasmus MCUniversity Medical Center RotterdamRotterdamThe Netherlands
| | - Marjon H. Cnossen
- Department of Pediatric HematologyErasmus MC‐Sophia Children’s HospitalUniversity Medical Center RotterdamRotterdamThe Netherlands
| | - Frank W.G. Leebeek
- Department of HematologyErasmus MCUniversity Medical Center RotterdamRotterdamThe Netherlands
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Von Willebrand Factor Multimer Densitometric Analysis: Validation of the Clinical Accuracy and Clinical Implications in Von Willebrand Disease. Hemasphere 2021; 5:e542. [PMID: 33623884 PMCID: PMC7892298 DOI: 10.1097/hs9.0000000000000542] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Accepted: 12/16/2020] [Indexed: 11/25/2022] Open
Abstract
Von Willebrand factor (VWF) multimer analysis is important in the classification of von Willebrand disease (VWD). Current visual VWF multimer analysis is time consuming and inaccurate in detecting subtle changes in multimer patterns. Although VWF multimer densitometric analysis may be useful, the accuracy needs further investigation before it can be widely applied. In this study we aimed to validate VWF multimer densitometric analysis in a large cohort of VWD patients and to identify patient characteristics associated with densitometric outcomes. Patients were included from the Willebrand in the Netherlands (WiN) study, in which a bleeding score (BS) was obtained, and blood was drawn. For multimer analysis, citrated blood was separated on an agarose gel and visualized by Western blotting. IMAGEJ was used to generate densitometric images and medium-large VWF multimer index was calculated. We included 560 VWD patients: 328 type 1, 211 type 2, and 21 type 3 patients. Medium-large VWF multimer index performed excellent in distinguishing visually classified normal VWF multimers from reduced high-molecular-weight (HMW) multimers (area under the curve [AUC]: 0.96 [0.94-0.98], P < 0.001), normal multimers from absence of HMW multimers (AUC 1.00 [1.00-1.00], P < 0.001), and type 2A and 2B from type 2M and 2N (AUC: 0.96 [0.94-0.99], P < 0.001). Additionally, higher medium-large VWF multimer index was associated with lower BS in type 1 VWD: β = -7.6 (-13.0 to -2.1), P = 0.007, adjusted for confounders. Densitometric analysis of VWF multimers had an excellent accuracy compared with visual multimer analysis and may contribute to a better understanding of the clinical features such as the bleeding phenotype of VWD patients.
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31
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Atiq F, Saes J, Punt M, van Galen K, Schutgens R, Meijer K, Cnossen M, Laros-Van Gorkom B, Peters M, Nieuwenhuizen L, Kruip M, de Meris J, van der Bom J, van der Meer F, Fijnvandraat K, Kruis I, van Heerde W, Eikenboom H, Leebeek FW, Schols S. Major differences in clinical presentation, diagnosis and management of men and women with autosomal inherited bleeding disorders. EClinicalMedicine 2021; 32:100726. [PMID: 33554093 PMCID: PMC7848767 DOI: 10.1016/j.eclinm.2021.100726] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 12/23/2020] [Accepted: 01/08/2021] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND In recent years, more awareness is raised about sex-specific dilemmas in inherited bleeding disorders. However, no large studies have been performed to assess differences in diagnosis, bleeding phenotype and management of men and women with bleeding disorders. Therefore, we investigated sex differences in a large cohort of well-defined patients with autosomal inherited bleeding disorders (von Willebrand disease (VWD), rare bleeding disorders (RBDs) and congenital platelet defects (CPDs)). METHODS We included patients from three nationwide cross-sectional studies on VWD, RBDs and CPDs in the Netherlands, respectively the WiN, RBiN and TiN study. In all studies a bleeding score (BS) was obtained, and patients filled in an extensive questionnaire on the management and burden of their disorder. FINDINGS We included 1092 patients (834 VWD; 196 RBD; 62 CPD), of whom 665 (60.9%) were women. Women were more often referred because of a bleeding diathesis than men (47.9% vs 36.6%, p = 0.002). Age of first bleeding was similar between men and women, respectively 8.9 ± 13.6 (mean ±sd) years and 10.6 ± 11.3 years (p = 0.075). However, the diagnostic delay, which was defined as time from first bleeding to diagnosis, was longer in women (11.6 ± 16.4 years) than men (7.7 ± 16.6 years, p = 0.002). Similar results were found when patients referred for bleeding were analyzed separately. Of women aging 12 years or older, 469 (77.1%) had received treatment because of sex-specific bleeding. INTERPRETATION Women with autosomal inherited bleeding disorders are more often referred for bleeding, have a longer diagnostic delay, and often require treatment because of sex-specific bleeding. FUNDING The WiN study was supported (in part) by research funding from the Dutch Hemophilia Foundation (Stichting Haemophilia), Shire (Takeda), and CSL Behring (unrestricted grant).
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Affiliation(s)
- F. Atiq
- Department of Hematology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - J.L. Saes
- Hemophilia Treatment Center Nijmegen-Eindhoven-Maastricht, the Netherlands
- Department of Hematology, Radboud University Medical Center, Nijmegen, the Netherlands
| | - M.C. Punt
- Benign Hematology Center, Van Creveldkliniek, University Medical Center Utrecht and University Utrecht, Utrecht, the Netherlands
| | - K.P.M. van Galen
- Benign Hematology Center, Van Creveldkliniek, University Medical Center Utrecht and University Utrecht, Utrecht, the Netherlands
| | - R.E.G. Schutgens
- Benign Hematology Center, Van Creveldkliniek, University Medical Center Utrecht and University Utrecht, Utrecht, the Netherlands
| | - K. Meijer
- Department of Hematology, University Medical Center Groningen, Groningen, the Netherlands
| | - M.H. Cnossen
- Department of Pediatric Hematology, Erasmus MC-Sophia Children's Hospital, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - B.A.P. Laros-Van Gorkom
- Hemophilia Treatment Center Nijmegen-Eindhoven-Maastricht, the Netherlands
- Department of Hematology, Radboud University Medical Center, Nijmegen, the Netherlands
| | - M. Peters
- Emma Children's Hospital, Amsterdam UMC, University of Amsterdam, Pediatric-Hematology, Amsterdam, the Netherlands
| | - L. Nieuwenhuizen
- Hemophilia Treatment Center Nijmegen-Eindhoven-Maastricht, the Netherlands
- Department of Hematology, Maxima Medical Center Eindhoven, Eindhoven, the Netherlands
| | - M.J.H.A. Kruip
- Department of Hematology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - J. de Meris
- Netherlands Hemophilia Society, Leiden, the Netherlands
| | - J.G. van der Bom
- Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, the Netherlands
- Jon J van Rood Center for Clinical Transfusion Medicine, Sanquin Research, Leiden, the Netherlands
| | - F.J.M. van der Meer
- Department of Internal Medicine, Division of Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, the Netherlands
| | - K. Fijnvandraat
- Emma Children's Hospital, Amsterdam UMC, University of Amsterdam, Pediatric-Hematology, Amsterdam, the Netherlands
- Department of Plasma Proteins, Sanquin Research, Amsterdam, the Netherlands
| | - I.C. Kruis
- Netherlands Hemophilia Society, Leiden, the Netherlands
| | - W.L. van Heerde
- Hemophilia Treatment Center Nijmegen-Eindhoven-Maastricht, the Netherlands
- Department of Hematology, Radboud University Medical Center, Nijmegen, the Netherlands
- Enzyre BV, Novio Tech Campus, Nijmegen, the Netherlands
| | - H.C.J. Eikenboom
- Department of Internal Medicine, Division of Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, the Netherlands
- Einthoven Laboratory for Vascular and Regenerative Medicine, Leiden University Medical Center, Leiden, the Netherlands
| | - Frank W.G. Leebeek
- Department of Hematology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - S.E.M. Schols
- Hemophilia Treatment Center Nijmegen-Eindhoven-Maastricht, the Netherlands
- Department of Hematology, Radboud University Medical Center, Nijmegen, the Netherlands
| | - For the WiN, RBiN and TiN study groups
- Department of Hematology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
- Hemophilia Treatment Center Nijmegen-Eindhoven-Maastricht, the Netherlands
- Department of Hematology, Radboud University Medical Center, Nijmegen, the Netherlands
- Benign Hematology Center, Van Creveldkliniek, University Medical Center Utrecht and University Utrecht, Utrecht, the Netherlands
- Department of Hematology, University Medical Center Groningen, Groningen, the Netherlands
- Department of Pediatric Hematology, Erasmus MC-Sophia Children's Hospital, University Medical Center Rotterdam, Rotterdam, the Netherlands
- Emma Children's Hospital, Amsterdam UMC, University of Amsterdam, Pediatric-Hematology, Amsterdam, the Netherlands
- Department of Hematology, Maxima Medical Center Eindhoven, Eindhoven, the Netherlands
- Netherlands Hemophilia Society, Leiden, the Netherlands
- Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, the Netherlands
- Jon J van Rood Center for Clinical Transfusion Medicine, Sanquin Research, Leiden, the Netherlands
- Department of Internal Medicine, Division of Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, the Netherlands
- Department of Plasma Proteins, Sanquin Research, Amsterdam, the Netherlands
- Enzyre BV, Novio Tech Campus, Nijmegen, the Netherlands
- Einthoven Laboratory for Vascular and Regenerative Medicine, Leiden University Medical Center, Leiden, the Netherlands
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The potential role of emicizumab prophylaxis in severe von Willebrand disease. Blood Cells Mol Dis 2020; 87:102530. [PMID: 33341070 DOI: 10.1016/j.bcmd.2020.102530] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Revised: 11/23/2020] [Accepted: 11/23/2020] [Indexed: 11/21/2022]
Abstract
BACKGROUND Severe von Willebrand disease (VWD) may be associated with chronic joint damage and may require prophylactic therapy. Emicizumab is a humanized bispecific antibody, which mimics the function of coagulation factor VIII (FVIII), and it has been approved for prophylaxis in hemophilia A. METHODS This is the first study assessing the potential future role of emicizumab as an alternative prophylactic treatment in patients with severe VWD, based upon a thrombin generation (TG) ex vivo analysis. We report 51 weeks of successful off label emicizumab prophylaxis in a child with severe VWD and recurrent hemarthroses and progressive arthropathy despite adherence to previous prophylaxis with replacement therapy. RESULTS AND CONCLUSIONS Our work demonstrated that ex vivo spiking with emicizumab increased TG in plasma from patients with type 3 VWD. Similar TG results were observed in our treated patient, whose therapy was well tolerated without any adverse events. Both in vitro and ex vivo TG data support sufficient hemostasis without exceeding the range seen in healthy volunteers. Further collaborative studies on the efficacy and safety of emicizumab prophylaxis in severe VWD is warranted.
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Boender J, Nederlof A, Meijer K, Mauser‐Bunschoten EP, Cnossen MH, Fijnvandraat K, van der Bom JG, de Meris J, Laros‐van Gorkom BAP, van Galen KPM, Eikenboom J, de Maat MPM, Leebeek FWG. ADAMTS-13 and bleeding phenotype in von Willebrand disease. Res Pract Thromb Haemost 2020; 4:1331-1339. [PMID: 33313472 PMCID: PMC7695560 DOI: 10.1002/rth2.12442] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 05/10/2020] [Accepted: 06/20/2020] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND The bleeding phenotype of von Willebrand disease (VWD) varies highly between patients and can only partly be explained by von Willebrand factor (VWF) parameters. By cleaving large VWF multimers into smaller, less active multimers, ADAMTS-13 is an important regulator of VWF activity. However, it is unknown what the role of ADAMTS-13 is in individuals with VWD. OBJECTIVES We therefore studied how ADAMTS-13 activity is associated with the laboratory and bleeding phenotype in individuals with VWD. METHODS We measured ADAMTS-13 activity using the fluorescence resonance energy transfer substrate VWF 73 assay in 638 individuals with VWD in the nationwide cross-sectional Willebrand in the Netherlands study and in 36 healthy controls. The bleeding phenotype was assessed using the Tosetto bleeding score. RESULTS ADAMTS-13 activity was similar in individuals with VWD (109% ± 20.6%) and controls (110% ± 19.7%). ADAMTS-13 activity was higher in individuals with VWD with type 3 than those with type 1 (mean difference, 11.8%; 95% confidence interval [CI], 2.9%-20.8%) or type 2 (mean difference, 16.1%; 95% CI, 7.1%-25.1%). ADAMTS-13 activity was not associated with the Tosetto bleeding score (0.1 Tosetto bleeding score increase per 10% ADAMTS-13 increase, 95% CI, -0.2 to 0.3). Furthermore, ADAMTS-13 activity did not differ between individuals with and without a bleeding event during the year preceding blood sampling (mean difference, 1.4%; 95% CI, -2.1% to 4.9%). CONCLUSION ADAMTS-13 activity was highest in individuals with type 3 VWD, but it had only minor associations with VWF parameters. ADAMTS-13 activity does not influence the bleeding phenotype in individuals with VWD.
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Affiliation(s)
- Johan Boender
- Department of HematologyErasmus MC, University Medical Center RotterdamRotterdamThe Netherlands
| | - Angelique Nederlof
- Department of HematologyErasmus MC, University Medical Center RotterdamRotterdamThe Netherlands
- Department of Pediatric HematologyErasmus MC, University Medical Center RotterdamSophia Children's HospitalRotterdamThe Netherlands
| | - Karina Meijer
- Department HematologyUniversity Medical Center GroningenGroningenThe Netherlands
| | | | - Marjon H. Cnossen
- Department of Pediatric HematologyErasmus MC, University Medical Center RotterdamSophia Children's HospitalRotterdamThe Netherlands
| | - Karin Fijnvandraat
- Department of Pediatric HematologyEmma Children’s HospitalAmsterdam UMCUniversity of AmsterdamAmsterdamThe Netherlands
- Department of Plasma ProteinsSanquin ResearchAmsterdamNetherlands
| | - Johanna G. van der Bom
- Department Clinical EpidemiologyLeiden University Medical CenterLeidenThe Netherlands
- Jon J van Rood Center for Clinical Transfusion MedicineSanquin ResearchLeidenThe Netherlands
| | - Joke de Meris
- Netherlands Hemophilia SocietyNijkerkThe Netherlands
| | | | - Karin P. M. van Galen
- van Creveld kliniek/Department Benign HematologyUniversity Medical Center UtrechtUtrechtThe Netherlands
| | - Jeroen Eikenboom
- Department Internal Medicine division Thrombosis and HemostasisLeiden University Medical CenterLeidenThe Netherlands
- Einthoven Laboratory for Vascular and Regenerative MedicineLeiden University Medical CenterLeidenThe Netherlands
| | - Moniek P. M de Maat
- Department of HematologyErasmus MC, University Medical Center RotterdamRotterdamThe Netherlands
| | - Frank W. G. Leebeek
- Department of HematologyErasmus MC, University Medical Center RotterdamRotterdamThe Netherlands
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Blaauwgeers MW, Kruip MJ, Beckers EA, Coppens M, Eikenboom J, van Galen KP, Tamminga RY, Urbanus RT, Schutgens RE. Bleeding phenotype and diagnostic characterization of patients with congenital platelet defects. Am J Hematol 2020; 95:1142-1147. [PMID: 32562285 PMCID: PMC7540397 DOI: 10.1002/ajh.25910] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2020] [Revised: 05/19/2020] [Accepted: 06/16/2020] [Indexed: 12/25/2022]
Abstract
Phenotypic characterization of congenital platelet defects (CPDs) could help physicians recognize CPD subtypes and can inform on prognostic implications. We report the analyses of the bleeding phenotype and diagnostic characteristics of a large cohort of adult patients with a confirmed CPD. A total of 96 patients were analyzed and they were classified as Glanzmann thrombasthenia, Bernard-Soulier syndrome, dense granule deficiency, defects in the ADP or thromboxane A2 (TxA2) pathway, isolated thrombocytopenia or complex abnormalities. The median ISTH-BAT bleeding score was nine (IQR 5-13). Heavy menstrual bleeding (HMB) (80%), post-partum hemorrhage (74%), post-operative bleeds (64%) and post-dental extraction bleeds (57%) occurred most frequently. Rare bleeding symptoms were bleeds from the urinary tract (4%) and central nervous system (CNS) bleeds (2%). Domains with a large proportion of severe bleeds were CNS bleeding, HMB and post-dental extraction bleeding. Glanzmann thrombasthenia and female sex were associated with a more severe bleeding phenotype.
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Affiliation(s)
- Maaike W. Blaauwgeers
- Van Creveldkliniek, University Medical Center UtrechtUniversity UtrechtUtrechtthe Netherlands
| | - Marieke J.H.A. Kruip
- Department of HaematologyErasmus University Medical CenterRotterdamthe Netherlands
| | - Erik A.M. Beckers
- Department of HematologyMaastricht University Medical CenterMaastrichtthe Netherlands
| | - Michiel Coppens
- Department of Vascular Medicine, Amsterdam Cardiovascular Sciences, Amsterdam University Medical CentersUniversity of AmsterdamAmsterdamthe Netherlands
| | - Jeroen Eikenboom
- Department of Internal Medicine, division of Thrombosis and HaemostasisLeiden University Medical CenterLeidenthe Netherlands
| | - Karin P.M. van Galen
- Van Creveldkliniek, University Medical Center UtrechtUniversity UtrechtUtrechtthe Netherlands
| | - Rienk Y.J. Tamminga
- Department of Pediatric Hematology, Beatrix Children's HospitalUniversity Medical Center GroningenGroningenthe Netherlands
| | - Rolf T. Urbanus
- Van Creveldkliniek, University Medical Center UtrechtUniversity UtrechtUtrechtthe Netherlands
- Van Creveld LaboratoryUniversity Medical Center Utrecht, University UtrechtUtrechtthe Netherlands
| | - Roger E.G. Schutgens
- Van Creveldkliniek, University Medical Center UtrechtUniversity UtrechtUtrechtthe Netherlands
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von Willebrand factor and factor VIII levels after desmopressin are associated with bleeding phenotype in type 1 VWD. Blood Adv 2020; 3:4147-4154. [PMID: 31834934 DOI: 10.1182/bloodadvances.2019000863] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Accepted: 11/07/2019] [Indexed: 12/31/2022] Open
Abstract
The bleeding phenotype of patients with type 1 von Willebrand disease (VWD) is very heterogeneous. We hypothesized that this heterogeneity may partly be explained by variability in response of von Willebrand factor (VWF) and factor VIII (FVIII) levels to stress during hemostatic challenges. We therefore investigated whether VWF and FVIII levels after administration of desmopressin, which mimic in vivo hemostatic response during hemostatic challenges, explain the heterogeneity in bleeding phenotype of patients with type 1 VWD. We performed a retrospective cohort study in 122 patients with type 1 VWD. All patients received a test dose of desmopressin shortly after diagnosis. Patients' mean age was 47 ± 14 years, and the mean Tosetto bleeding score was 10 ± 7. Higher FVIII activity during the complete time course after desmopressin administration (1, 3, and 5-6 hours), and higher VWF and FVIII levels combined at 3 hours after desmopressin administration, were associated with a lower bleeding score: β = -0.9 (-1.7; -0.1) and β = -1.2 (-1.9; -0.5), respectively, adjusted for age, sex, body mass index (BMI), and comorbidities. Patients with FVIII activity in the highest quartile 3 hours after desmopressin administration had a much lower bleeding score compared with patients in the other 3 quartiles (β = -5.1 [-8.2; -2.0]) and also had a lower chance of an abnormal bleeding score (odds ratio = 0.2 [0.1-0.5]), both adjusted for age, sex, BMI, and comorbidities. In conclusion, VWF and FVIII levels after desmopressin administration, which mimic hemostatic response to hemostatic challenges, are associated with the bleeding phenotype of patients with type 1 VWD. This may partly explain the variability in bleeding phenotype of these patients.
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Tosetto A, Badiee Z, Baghaipour MR, Baronciani L, Battle J, Berntorp E, Bodó I, Budde U, Castaman G, Eikenboom JCJ, Eshghi P, Ettorre C, Goodeve A, Goudemand J, Hay CRM, Hoorfar H, Karimi M, Keikhaei B, Lassila R, Leebeek FWG, Lopez Fernandez MF, Mannucci PM, Mazzucconi MG, Morfini M, Oldenburg J, Peake I, Parra Lòpez R, Peyvandi F, Schneppenheim R, Tiede A, Toogeh G, Trossaert M, Zekavat O, Zetterberg EMK, Federici AB. Bleeding symptoms in patients diagnosed as type 3 von Willebrand disease: Results from 3WINTERS-IPS, an international and collaborative cross-sectional study. J Thromb Haemost 2020; 18:2145-2154. [PMID: 32379400 DOI: 10.1111/jth.14886] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 04/09/2020] [Accepted: 04/28/2020] [Indexed: 01/08/2023]
Abstract
BACKGROUND Type 3 von Willebrand's disease (VWD) patients present markedly reduced levels of von Willebrand factor and factor VIII. Because of its rarity, the bleeding phenotype of type 3 VWD is poorly described, as compared to type 1 VWD. AIMS To evaluate the frequency and the severity of bleeding symptoms across age and sex groups in type 3 patients and to compare these with those observed in type 1 VWD patients to investigate any possible clustering of bleeding symptoms within type 3 patients. METHODS We compared the bleeding phenotype and computed the bleeding score (BS) using the MCMDM-1VWD bleeding questionnaire in patients enrolled in the 3WINTERS-IPS and MCMDM-1VWD studies. RESULTS In 223 unrelated type 3 VWD patients, both the BS and the number of clinically relevant bleeding symptoms were increased in type 3 as compared to type 1 VWD patients (15 versus 6 and 5 versus 3). Intracranial bleeding, oral cavity, hemarthroses, and deep hematomas were at least five-fold over-represented in type 3 VWD. A more severe bleeding phenotype was evident in patients having von Willebrand factor antigen levels < 20 IU/dL at diagnosis in the two merged cohorts. In type 3 patients, there was an apparent clustering of hemarthrosis with gastrointestinal bleeding and epistaxis, whereas bleeding after surgery or tooth extraction clusters with oral bleeding and menorrhagia. CONCLUSIONS In the largest cohort of type 3 VWD patients, we were able to describe a distinct clinical phenotype that is associated with the presence of a more severe hemostatic defect.
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Affiliation(s)
- Alberto Tosetto
- Hemophilia and Thrombosis Center, Hematology Department, San Bortolo Hospital, Vicenza, Italy
| | - Zahra Badiee
- Hemophilia-Thalassemia Center, Mashhad University of Medical Science, Mashad, Islamic Republic of Iran
| | | | - Luciano Baronciani
- Angelo Bianchi Bonomi Hemophilia and Thrombosis Center, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico and Fondazione Luigi Villa, Milan, Italy
| | - Javier Battle
- Complejo Hospitalario Universitario de A Coruña-Servicio de Hematología y Hemoterapia, A Coruña, Spain
| | | | - Imre Bodó
- Department of Internal Medicine and Hematology, Semmelweis University, Budapest, Hungary
| | | | - Giancarlo Castaman
- Center for Bleeding Disorders and Coagulation, Careggi University Hospital, Florence, Italy
| | - Jeroen C J Eikenboom
- Division of Thrombosis and Hemostasis, Department of Internal Medicine, Leiden University Medical Center, Leiden, the Netherlands
| | - Peyman Eshghi
- Pediatric Congenital Hematologic Disorders Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Islamic Republic of Iran
| | - Cosimo Ettorre
- Hemostasis and Thrombosis Center, Azienda Ospedaliera Policlinico Consorziale, Bari, Italy
| | | | - Jenny Goudemand
- Department of Haematology Transfusion, University Lille-CRMW, CHRU Lille, Lille, France
| | | | - Hamid Hoorfar
- Hemophilia Center-Esfahan University of Medical Science, Esfahan, Islamic Republic of Iran
| | - Mehran Karimi
- Hematology Research Center, Nemazee Hospital, Shiraz University of Medical Science, Shiraz, Islamic Republic of Iran
| | - Bijan Keikhaei
- Thalassemia and Hemoglobinopathy Research Center, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Riitta Lassila
- Coagulation Disorders, Helsinki University Central Hospital, Helsinki, Finland
| | | | | | - Pier Mannuccio Mannucci
- Angelo Bianchi Bonomi Hemophilia and Thrombosis Center, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico and Fondazione Luigi Villa, Milan, Italy
| | | | - Massimo Morfini
- Center for Bleeding Disorders and Coagulation, Careggi University Hospital, Florence, Italy
| | - Johannes Oldenburg
- Institute of Experimental Haematology and Transfusion Medicine, University of Bonn, Bonn, Germany
| | - Ian Peake
- University of Sheffield, Sheffield, UK
| | - Rafael Parra Lòpez
- Unidad de Hemofilia-Hospital Universitari General Vall d'Hebron, Barcelona, Spain
| | - Flora Peyvandi
- Angelo Bianchi Bonomi Hemophilia and Thrombosis Center, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico and Fondazione Luigi Villa, Milan, Italy
- Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Milan, Italy
| | - Reinhard Schneppenheim
- Department of Pediatric Hematology and Oncology, University Medical Centre, Hamburg, Germany
| | - Andreas Tiede
- Department of Hematology, Hemostasis, Oncology and Stem Cell Transplantation, Hannover Medical School, Hannover, Germany
| | - Gholamreza Toogeh
- Thrombosis Hemostasis Research Center-Vali-Asr Hospital-Emam Khameini Complex Hospital, Tehran University of Medical Science, Tehran, Islamic Republic of Iran
| | - Marc Trossaert
- Centre Régional de Traitement de l'Hémophilie-Laboratoire d'Hématologie, Nantes, France
| | - Omidreza Zekavat
- Hematology Research Center, Shiraz University of Medical Sciences, Shiraz, Islamic Republic of Iran
| | | | - Augusto B Federici
- Hematology and Transfusion Medicine, Department of Oncology and Oncohematology, L. Sacco University Hospital, University of Milan, Milano, Italy
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37
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de Jong A, Dirven RJ, Boender J, Atiq F, Anvar SY, Leebeek FWG, van Vlijmen BJM, Eikenboom J. Ex vivo Improvement of a von Willebrand Disease Type 2A Phenotype Using an Allele-Specific Small-Interfering RNA. Thromb Haemost 2020; 120:1569-1579. [PMID: 32803740 PMCID: PMC7649061 DOI: 10.1055/s-0040-1715442] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Von Willebrand disease (VWD) is the most common inherited bleeding disorder and is mainly caused by dominant-negative mutations in the multimeric protein von Willebrand factor (VWF). These mutations may either result in quantitative or qualitative defects in VWF. VWF is an endothelial protein that is secreted to the circulation upon endothelial activation. Once secreted, VWF multimers bind platelets and chaperone coagulation factor VIII in the circulation. Treatment of VWD focuses on increasing VWF plasma levels, but production and secretion of mutant VWF remain uninterrupted. Presence of circulating mutant VWF might, however, still affect normal hemostasis or functionalities of VWF beyond hemostasis. We hypothesized that inhibition of the production of mutant VWF improves the function of VWF overall and ameliorates VWD phenotypes. We previously proposed the use of allele-specific small-interfering RNAs (siRNAs) that target frequent
VWF
single nucleotide polymorphisms to inhibit mutant
VWF
. The aim of this study is to prove the functionality of these allele-specific siRNAs in endothelial colony-forming cells (ECFCs). We isolated ECFCs from a VWD type 2A patient with an intracellular multimerization defect, reduced VWF collagen binding, and a defective processing of proVWF to VWF. After transfection of an allele-specific siRNA that specifically inhibited expression of mutant VWF, we showed amelioration of the laboratory phenotype, with normalization of the VWF collagen binding, improvement in VWF multimers, and enhanced VWF processing. Altogether, we prove that allele-specific inhibition of the production of mutant VWF by siRNAs is a promising therapeutic strategy to improve VWD phenotypes.
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Affiliation(s)
- Annika de Jong
- Department of Internal Medicine, Division of Thrombosis and Hemostasis, Einthoven laboratory for Vascular and Regenerative Medicine, Leiden University Medical Center, Leiden, the Netherlands
| | - Richard J Dirven
- Department of Internal Medicine, Division of Thrombosis and Hemostasis, Einthoven laboratory for Vascular and Regenerative Medicine, Leiden University Medical Center, Leiden, the Netherlands
| | - Johan Boender
- Department of Hematology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Ferdows Atiq
- Department of Hematology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Seyed Yahya Anvar
- Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands
| | - Frank W G Leebeek
- Department of Hematology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Bart J M van Vlijmen
- Department of Internal Medicine, Division of Thrombosis and Hemostasis, Einthoven laboratory for Vascular and Regenerative Medicine, Leiden University Medical Center, Leiden, the Netherlands
| | - Jeroen Eikenboom
- Department of Internal Medicine, Division of Thrombosis and Hemostasis, Einthoven laboratory for Vascular and Regenerative Medicine, Leiden University Medical Center, Leiden, the Netherlands
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38
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de Jager NCB, Heijdra JM, Kieboom Q, Kruip MJHA, Leebeek FWG, Cnossen MH, Mathôt RAA. Population Pharmacokinetic Modeling of von Willebrand Factor Activity in von Willebrand Disease Patients after Desmopressin Administration. Thromb Haemost 2020; 120:1407-1416. [PMID: 32746466 DOI: 10.1055/s-0040-1714349] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
OBJECTIVE Most von Willebrand disease (VWD) patients can be treated with desmopressin during bleeding or surgery. Large interpatient variability is observed in von Willebrand factor (VWF) activity levels after desmopressin administration. The aim of this study was to develop a pharmacokinetic (PK) model to describe, quantify, and explain this variability. METHODS Patients with either VWD or low VWF, receiving an intravenous desmopressin test dose of 0.3 µg kg-1, were included. A PK model was derived on the basis of the individual time profiles of VWF activity. Since no VWF was administered, the VWF dose was arbitrarily set to unity. Interpatient variability in bioavailability (F), volume of distribution (V), and clearance (Cl) was estimated. RESULTS The PK model was developed using 951 VWF activity level measurements from 207 patients diagnosed with a VWD type. Median age was 28 years (range: 5-76), median predose VWF activity was 0.37 IU/mL (range: 0.06-1.13), and median VWF activity response at peak level was 0.64 IU/mL (range: 0.04-4.04). The observed PK profiles were best described using a one-compartment model with allometric scaling. While F increased with age, Cl was dependent on VWD type and sex. Inclusion resulted in a drop in interpatient variability in F and Cl of 81.7 to 60.5% and 92.8 to 76.5%, respectively. CONCLUSION A PK model was developed, describing VWF activity versus time profile after desmopressin administration in patients with VWD or low VWF. Interpatient variability in response was quantified and partially explained. This model is a starting point toward more accurate prediction of desmopressin dosing effects in VWD.
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Affiliation(s)
- Nico C B de Jager
- Hospital Pharmacy-Clinical Pharmacology, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Jessica M Heijdra
- Department of Paediatric Haematology, Erasmus University Medical Centre - Sophia Children's Hospital, Rotterdam, The Netherlands
| | - Quincy Kieboom
- Department of Paediatric Haematology, Erasmus University Medical Centre - Sophia Children's Hospital, Rotterdam, The Netherlands
| | - Marieke J H A Kruip
- Department of Haematology, Erasmus University Medical Centre, Rotterdam, The Netherlands
| | - Frank W G Leebeek
- Department of Haematology, Erasmus University Medical Centre, Rotterdam, The Netherlands
| | - Marjon H Cnossen
- Department of Paediatric Haematology, Erasmus University Medical Centre - Sophia Children's Hospital, Rotterdam, The Netherlands
| | - Ron A A Mathôt
- Hospital Pharmacy-Clinical Pharmacology, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
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39
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Seaman CD, Ragni MV. The Effect of Age on von Willebrand Factor and Bleeding Symptoms in von Willebrand Disease. Thromb Haemost 2020; 120:1159-1165. [DOI: 10.1055/s-0040-1713636] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Abstractvon Willebrand disease (VWD) is a quantitative or qualitative defect in von Willebrand factor (VWF) resulting in mucocutaneous bleeding symptoms and hemorrhage following hemostatic challenges, such as trauma or surgery. VWD-specific therapy, DDAVP (1-desamino-8-D-arginine vasopressin) and VWF concentrates, is necessary periprocedurally to ensure adequate hemostasis. The aging VWD patient may complicate this matter. The plasma concentration of many coagulation proteins, including VWF, increases with age. While it has been established that VWF levels increase with age in a healthy population, emerging research demonstrates this occurs in certain subtypes of VWD, too. Thus, the management of periprocedural VWD-specific therapy in the aging VWD patient is problematic when VWF levels increase over time to normal, and hematologists are left with uncertainty regarding whether or not periprocedural VWD-specific therapy is still necessary. In this article, we will review the current state of the literature regarding the effect of age on VWF levels in the healthy population and VWD while exploring possible etiologies for this phenomenon. Further, we will detail how this affects bleeding symptoms and highlight what research remains to be done to optimize care in this patient population.
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Affiliation(s)
- Craig D. Seaman
- Division of Hematology/Oncology, Department of Medicine, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, United States
- Hemophilia Center of Western Pennsylvania, Pittsburgh, Pennsylvania, United States
| | - Margaret V. Ragni
- Division of Hematology/Oncology, Department of Medicine, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, United States
- Hemophilia Center of Western Pennsylvania, Pittsburgh, Pennsylvania, United States
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40
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Fogarty H, Doherty D, O'Donnell JS. New developments in von Willebrand disease. Br J Haematol 2020; 191:329-339. [PMID: 32394456 DOI: 10.1111/bjh.16681] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 03/30/2020] [Accepted: 04/01/2020] [Indexed: 12/19/2022]
Abstract
Von Willebrand disease (VWD) constitutes the most common inherited human bleeding disorder. It is associated with a mucocutaneous bleeding phenotype that can significantly impact upon quality of life. Despite its prevalence and associated morbidity, the diagnosis and subclassification of VWD continue to pose significant clinical challenges. This is in part attributable to the fact that plasma von Willebrand factor (VWF) levels vary over a wide range in the normal population, together with the multiple different physiological functions played by VWF in vivo. Over recent years, substantial progress has been achieved in elucidating the biological roles of VWF. Significant advances have also been made into defining the pathophysiological mechanisms underpinning both quantitative and qualitative VWD. In particular, several new laboratory assays have been developed that enable more precise assessment of specific aspects of VWF activity. In the present review, we discuss these recent developments in the field of VWD diagnosis, and consider how these advances can impact upon clinical diagnostic algorithms for use in routine clinical practice. In addition, we review some important recent advances pertaining to the various treatment options available for managing patients with VWD.
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Affiliation(s)
- Helen Fogarty
- Irish Centre for Vascular Biology, School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, Dublin, Ireland.,National Coagulation Centre, St James's Hospital, Dublin, Ireland
| | - Dearbhla Doherty
- Irish Centre for Vascular Biology, School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - James S O'Donnell
- Irish Centre for Vascular Biology, School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, Dublin, Ireland.,National Coagulation Centre, St James's Hospital, Dublin, Ireland.,National Children's Research Centre, Our Lady's Children's Hospital Crumlin, Dublin, Ireland
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41
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Discovery of Type 3 von Willebrand Disease in a Cohort of Patients with Suspected Hemophilia A in Côte d'Ivoire. Mediterr J Hematol Infect Dis 2020; 12:e2020019. [PMID: 32180914 PMCID: PMC7059751 DOI: 10.4084/mjhid.2020.019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2020] [Accepted: 02/15/2020] [Indexed: 11/08/2022] Open
Abstract
Background Type 3 von Willebrand disease (VWD) is the most severe form of VWD, characterized by a near-total absence of von Willebrand factor (vWF), leading to a massive deficiency in plasmatic factor VIII (FVIII). VWD may be confused with hemophilia A, sometimes leading to misdiagnosis. The purpose of this work was to finalize the biological diagnosis of patients with FVIII activity deficiency in Abidjan in order to guide the best type of management. Methods We conducted a cross-sectional descriptive study from June 2018 to April 2019. Forty-nine patients, all of whom had lower FVIII levels or had been referred for a bleeding disorder, were monitored in the clinical hematology service. The pro-coagulant activity of coagulation factors was performed in Abidjan. The assays for von Willebrand antigen and activity were performed at Nîmes University Hospital in France. Results The mean age of patients was 13.8 years (1 – 65) and 86% were Ivorian. FVIII deficiency was discovered during a biological checkup, circumcision or post-traumatic bleeding, in 33%, 31% and 29% respectively. The FVIII deficiency of patients was classified as severe (89.8%), moderate (8.2%) and mild (2%). Only one patient had a quantitative deficiency of von Willebrand factor (vWF: Ag <3%) with undetectable von Willebrand factor activity (vWF: Ac) and an FVIII level <1%. Conclusions Not all of the congenital deficiency of FVIII are represented by hemophilia A. It was crucial to assess the Willebrand factor of these patients followed in Côte d’Ivoire for whom hemophilia A had been suspected.
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42
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Nakajima Y, Nogami K, Yada K, Kawamura T, Ogiwara K, Furukawa S, Shimonishi N, Takeyama M, Shima M. Evaluation of clinical severity in patients with type 2N von Willebrand disease using microchip-based flow-chamber system. Int J Hematol 2019; 111:369-377. [DOI: 10.1007/s12185-019-02782-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 11/08/2019] [Accepted: 11/12/2019] [Indexed: 11/29/2022]
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43
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Leebeek FWG, Atiq F. How I manage severe von Willebrand disease. Br J Haematol 2019; 187:418-430. [PMID: 31498884 PMCID: PMC6899759 DOI: 10.1111/bjh.16186] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Accepted: 08/16/2019] [Indexed: 12/29/2022]
Abstract
Von Willebrand disease (VWD) is the most common inherited bleeding disorder. Most patients with mild and moderate VWD can be treated effectively with desmopressin. The management of severe VWD patients, mostly affected by type 2 and type 3 disease, can be challenging. In this article we review the current diagnosis and treatment of severe VWD patients. We will also discuss the management of severe VWD patients in specific situations, such as pregnancy, delivery, patients developing alloantibodies against von Willebrand factor and VWD patients with recurrent gastrointestinal bleeding. Moreover, we review emerging treatments that may be applied in future management of patients with severe VWD.
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Affiliation(s)
- Frank W G Leebeek
- Department of Haematology, Erasmus University Medical Centre, Rotterdam, the Netherlands
| | - Ferdows Atiq
- Department of Haematology, Erasmus University Medical Centre, Rotterdam, the Netherlands
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44
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Seaman CD, Ragni MV. Periprocedural management of von Willebrand disease: An institutional experience. Haemophilia 2019; 25:e199-e203. [PMID: 30994216 DOI: 10.1111/hae.13718] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Revised: 08/30/2018] [Accepted: 02/02/2019] [Indexed: 12/19/2022]
Affiliation(s)
- Craig D Seaman
- Department of Medicine, Division of Hematology/Oncology, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania.,Hemophilia Center of Western Pennsylvania, Pittsburgh, Pennsylvania
| | - Margaret V Ragni
- Department of Medicine, Division of Hematology/Oncology, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania.,Hemophilia Center of Western Pennsylvania, Pittsburgh, Pennsylvania
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45
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Significant gynecological bleeding in women with low von Willebrand factor levels. Blood Adv 2019; 2:1784-1791. [PMID: 30042144 DOI: 10.1182/bloodadvances.2018017418] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Accepted: 06/19/2018] [Indexed: 01/11/2023] Open
Abstract
Gynecological bleeding is frequently reported in women with von Willebrand disease (VWD). Low von Willebrand factor (VWF) may be associated with significant bleeding phenotype despite only mild plasma VWF reductions. The contribution of gynecological bleeding to this phenotype has yet to be described. The optimal clinical bleeding assessment tool (BAT) to evaluate bleeding remains unclear. Using a standardized approach to phenotypic assessment, we evaluated gynecological bleeding and directly compared the Condensed Molecular and Clinical Markers for the Diagnosis and Management of type 1 VWD (Condensed MCMDM-1 VWD) and International Society on Thrombosis and Haemostasis (ISTH) BAT scores in 120 women enrolled in the Low von Willebrand in Ireland Cohort study. Heavy menstrual bleeding (HMB) was reported in 89% of female participants; 45.8% developed iron deficiency. Using identical data, Condensed MCMDM-1 VWD menorrhagia domain scores were significantly lower than ISTH BAT scores (2 vs 3; P < .0001), the discrepant results related to 40% of women not seeking medical consultation for HMB, reducing the sensitivity of the Condensed score. For those who reported HMB to physicians, the low VWF diagnosis was not expedited (age at diagnosis 34.2 vs 33.4 years in women failing to present; P = .7). Postpartum hemorrhage (PPH) was self-reported in 63.5% of parous women (n = 74); 21.6% required transfusion, critical care, radiological, or surgical intervention. Our data demonstrate that gynecological bleeding is frequently reported in women with low VWF; despite pregnancy-related increases in plasma VWF levels, these women may experience PPH. Defining the optimal management approach for these patients requires further research. This trial was registered at www.clinicaltrials.gov as #NCT03167320.
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46
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Lowe GC, Fickowska R, Al Ghaithi R, Maclachlan A, Harrison P, Lester W, Watson SP, Myers B, Clark J, Morgan NV. Investigation of the contribution of an underlying platelet defect in women with unexplained heavy menstrual bleeding. Platelets 2018; 30:56-65. [PMID: 30520671 PMCID: PMC6406209 DOI: 10.1080/09537104.2018.1543865] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Heavy menstrual bleeding (HMB) is often undiagnosed in women and can cause discomfort and distress. A haemostatic cause for excessive bleeding is often not routinely investigated and can lead to hysterectomy at an early age. A prospective cohort study was carried out to determine whether certain patients with unexplained HMB have an underlying platelet function defect (PFD). The Genotyping and Phenotyping of Platelets (GAPP) study recruited 175 women with HMB and 44 unrelated volunteers from 25 Haemophilia Centres across the UK, and a tertiary gynaecology service. Bleeding history was assessed using the International Society on Thrombosis and Haemostasis Bleeding Assessment Tool (ISTH-BAT). Platelet count, platelet size, haemoglobin and mean corpuscular volume were measured in whole blood using the Sysmex XN-1000 Haematology Analyzer. Platelet function testing using lumiaggregometry and flow cytometry was performed in patients included in this study. A PFD was identified in 47% (82/175) of patients with HMB. Cutaneous bleeding was the most frequent additional bleeding symptom (89% in PFD and 83% with no PFD). Whole blood platelet count was significantly lower (P < 0.0001) between the PFD group and no PFD group. The prevalence of anaemia did not differ between patients and healthy volunteers. Clinical evaluation alone is insufficient to determine presence of an underlying PFD in patients with HMB. Platelet function tests may be considered and clinical guidelines may include them in their algorithms. An appropriate diagnosis and subsequent tailored management of HMB may prevent unnecessary surgery and help manage future haemostatic challenges.
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Affiliation(s)
- Gillian C Lowe
- a Comprehensive Care Haemophilia Centre , University Hospital Birmingham NHS Foundation Trust , Birmingham , UK
| | - Roksana Fickowska
- b Institute of Cardiovascular Sciences, College of Medical and Dental Sciences , University of Birmingham , Birmingham , UK
| | - Rashid Al Ghaithi
- c Institute of Inflammation and Ageing, College of Medical and Dental Sciences , University of Birmingham , Birmingham , UK
| | - Annabel Maclachlan
- b Institute of Cardiovascular Sciences, College of Medical and Dental Sciences , University of Birmingham , Birmingham , UK
| | - Paul Harrison
- c Institute of Inflammation and Ageing, College of Medical and Dental Sciences , University of Birmingham , Birmingham , UK
| | - Will Lester
- a Comprehensive Care Haemophilia Centre , University Hospital Birmingham NHS Foundation Trust , Birmingham , UK
| | - Steve P Watson
- b Institute of Cardiovascular Sciences, College of Medical and Dental Sciences , University of Birmingham , Birmingham , UK
| | - Bethan Myers
- d Department of Haematology , Lincoln County Hospital , Lincoln , UK.,e Haemostasis & Thrombosis Unit, Leicester Royal Infirmary , University Hospitals Of Leicester NHS Trust , Leicester , UK
| | - Justin Clark
- f Department of Gynaecology , Birmingham Women's and Children's NHS Foundation Trust , Birmingham , UK
| | - Neil V Morgan
- b Institute of Cardiovascular Sciences, College of Medical and Dental Sciences , University of Birmingham , Birmingham , UK
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47
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Boender J, Eikenboom J, van der Bom JG, Meijer K, de Meris J, Fijnvandraat K, Cnossen MH, Laros-van Gorkom BAP, van Heerde WL, Mauser-Bunschoten EP, de Maat MPM, Leebeek FWG. Clinically relevant differences between assays for von Willebrand factor activity. J Thromb Haemost 2018; 16:2413-2424. [PMID: 30358069 DOI: 10.1111/jth.14319] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Indexed: 01/07/2023]
Abstract
Essentials It is unclear whether there are differences between von Willebrand factor (VWF) activity assays. We compared the four most used VWF activity assays in 661 von Willebrand disease (VWD) patients. All assays correlated excellently, but a discrepant classification was seen in 20% of patients. Differences between VWF activity assays have a large impact on the classification of VWD. SUMMARY: Background Measuring the ability of von Willebrand factor (VWF) to bind to platelets is crucial for the diagnosis and classification of von Willebrand disease (VWD). Several assays that measure this VWF activity using different principles are available, but the clinical relevance of different assay principles is unclear. Objective To compare the four most widely used VWF activity assays in a large VWD patient population. Methods We measured VWF:RCo (ristocetin to activate VWF + whole platelets), VWF:GPIbR (ristocetin + platelet glycoprotein Ib receptor [GPIb] fragments), VWF:GPIbM (gain-of-function GPIb fragments that bind VWF spontaneously without ristocetin) and VWF:Ab (monoclonal antibody directed against the GPIb binding epitope of VWF to mimic platelets) in 661 VWD patients from the nationwide 'Willebrand in the Netherlands' (WiN) Study. Results All assays correlated excellently (Pearson r > 0.9), but discrepant results led to a different classification for up to one-fifth of VWD patients. VWF:RCo was not sensitive enough to classify 18% of patients and misclassified half of genotypic 2B VWD patients, especially those with p.Arg1306Trp. VWF:GPIbR was more sensitive, accurately classified the vast majority of patients, and was unaffected by the p.Asp1472His variant that causes artificially low VWF:RCo. VWF:GPIbM was the most precise assay but misclassified over a quarter of genotypic 2A, 2B and 3 patients. VWF:Ab, often not considered an actual VWF activity assay, performed at least equally to the other assays with regard to accurate VWD classification. Conclusion Although the different VWF activity assays are often considered similar, differences between assays have a large impact on the classification of VWD.
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Affiliation(s)
- J Boender
- Hematology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - J Eikenboom
- Internal Medicine, Division, Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, the Netherlands
- Einthoven Laboratory for Vascular and Regenerative Medicine, Leiden University Medical Center, Leiden, the Netherlands
| | - J G van der Bom
- Clinical Epidemiology, Leiden University Medical Center, Leiden, the Netherlands
- Sanquin Research, Jon J van Rood Center for Clinical Transfusion Medicine, Leiden, the Netherlands
| | - K Meijer
- Hematology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - J de Meris
- Netherlands Hemophilia Society, Nijkerk, the Netherlands
| | - K Fijnvandraat
- Pediatric Hematology, Emma Children's Hospital, Academic Medical Center, Amsterdam, the Netherlands
- Department of Plasma Proteins, Sanquin Research, Amsterdam, the Netherlands
| | - M H Cnossen
- Pediatric Hematology, Erasmus University Medical Center - Sophia Children's Hospital, Rotterdam, the Netherlands
| | | | - W L van Heerde
- Hematology, Radboud University Medical Center, Nijmegen, the Netherlands
| | - E P Mauser-Bunschoten
- University Medical Center Utrecht, van Creveld Kliniek, University Utrecht, Utrecht, the Netherlands
| | - M P M de Maat
- Hematology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - F W G Leebeek
- Hematology, Erasmus University Medical Center, Rotterdam, the Netherlands
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48
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Atiq F, Mauser-Bunschoten EP, Eikenboom J, van Galen KPM, Meijer K, de Meris J, Cnossen MH, Beckers EAM, Laros-van Gorkom BAP, Nieuwenhuizen L, van der Bom JG, Fijnvandraat K, Leebeek FWG. Sports participation and physical activity in patients with von Willebrand disease. Haemophilia 2018; 25:101-108. [PMID: 30427095 PMCID: PMC7379650 DOI: 10.1111/hae.13629] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Revised: 09/10/2018] [Accepted: 10/09/2018] [Indexed: 01/19/2023]
Abstract
Introduction Patients with bleeding disorders may experience limitations in sports participation and physical activity. Several studies on sports participation have been performed in haemophilia patients, but studies in patients with von Willebrand disease (VWD) are lacking. Aim We assessed the sports participation and physical activity of a large cohort of VWD patients. Methods Patients were included from the “WiN study.” All patients completed a questionnaire on sports participation, physical activity, quality of life and bleeding symptoms (Tosetto bleeding score). Results From the 798 included patients, 474 had type 1, 301 type 2 and 23 type 3 VWD. The mean age was 39 ± 20 (standard deviation) years. Five hundred and fifty‐two patients (69.3%) participated in various types of sports. Type 3 VWD patients more often did not participate in sports due to fear of bleeding and physical impairment, respectively, OR = 13.24 (95% CI: 2.45‐71.53) and OR = 5.90 (95% CI: 1.77‐19.72). Patients who did not participate in sports due to physical impairment had a higher bleeding score item for joint bleeds 1.0 (±1.6) vs 0.5 (± 1.1) (P = 0.036). Patients with type 3 VWD and patients with a higher bleeding score frequently had severe limitations during daily activities, respectively, OR = 9.84 (95% CI: 2.83‐34.24) and OR = 1.08 (95% CI: 1.04‐1.12). Conclusion The majority of VWD patients participated in sports. Patients with type 3 VWD, a history of joint bleeds and a more severe bleeding phenotype frequently experienced limitations in sports participation and physical activities during daily life.
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Affiliation(s)
- Ferdows Atiq
- Department of Hematology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | | | - Jeroen Eikenboom
- Department of Internal Medicine, Division of Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, The Netherlands.,Einthoven Laboratory for Vascular and Regenerative Medicine, Leiden University Medical Center, Leiden, The Netherlands
| | - Karin P M van Galen
- Van Creveldkliniek, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Karina Meijer
- Department of Hematology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Joke de Meris
- Netherlands Hemophilia Patient Society, Leiden, The Netherlands
| | - Marjon H Cnossen
- Department of Pediatric Hematology, Erasmus University Medical Center, Sophia Children's Hospital, Rotterdam, The Netherlands
| | - Erick A M Beckers
- Department of Internal Medicine, Maastricht University Medical Center Plus, Maastricht, The Netherlands
| | | | | | - Johanna G van der Bom
- Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands.,Jon J van Rood Center for Clinical Transfusion Medicine, Sanquin Research, Leiden, The Netherlands
| | - Karin Fijnvandraat
- Pediatric Hematology, Emma Children's Hospital-Academic Medical Center, Amsterdam, The Netherlands
| | - Frank W G Leebeek
- Department of Hematology, Erasmus University Medical Center, Rotterdam, The Netherlands
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49
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Leebeek FWG, Susen S. Von Willebrand disease: Clinical conundrums. Haemophilia 2018; 24 Suppl 6:37-43. [PMID: 29878657 DOI: 10.1111/hae.13508] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/02/2018] [Indexed: 12/22/2022]
Affiliation(s)
- F W G Leebeek
- Department of Hematology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - S Susen
- Inserm, U1011, Hemostasis and Transfusion Department, French Reference Center for Von Willebrand Disease, CHU Lille, Lille, France
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50
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Calmette L, Clauser S. [Von Willebrand disease]. Rev Med Interne 2018; 39:918-924. [PMID: 30279008 DOI: 10.1016/j.revmed.2018.08.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Revised: 06/18/2018] [Accepted: 08/13/2018] [Indexed: 11/28/2022]
Abstract
Von Willebrand factor is involved in primary hemostasis (adhesion of platelets to subendothelium and platelet aggregation) and acts as the carrier of coagulation factor VIII. Von Willebrand disease, resulting from a quantitative or qualitative defect of this factor, is the most frequent inherited bleeding disorder. It is mainly responsible for symptoms such as mucocutaneous bleeding and excessive bleeding after trauma or invasive procedures, but can also cause gastro-intestinal bleeding or hemarthrosis in the most severe forms of the disease. There are numerous causes of physiological variation of von Willebrand factor plasma levels which can be responsible for diagnostic difficulty or changes in symptoms over time. Diagnosis relies primarily on clinical symptoms but requires the use of several laboratory analyses: von Willebrand factor activity and antigen testing and factor VIII activity. More specialized assays allow classification of the disease in various types and subtypes which imply different management strategies (types 1, 2A, 2B, 2M, 2N, and 3). Treatment is based on desmopressin, responsible for an increase in plasma concentration of von Willebrand factor, and plasma-derived von Willebrand factor concentrates which can be combined with factor VIII.
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Affiliation(s)
- L Calmette
- Laboratoire d'hématologie-immunologie-transfusion, hôpital Ambroise-Paré, AP-HP, 9, avenue Charles de Gaulle, 92104 Boulogne-Billancourt cedex, France.
| | - S Clauser
- Laboratoire d'hématologie-immunologie-transfusion, hôpital Ambroise-Paré, AP-HP, 9, avenue Charles de Gaulle, 92104 Boulogne-Billancourt cedex, France; UFR des sciences de la santé Simone Veil, université de Versailles Saint-Quentin-en-Yvelines, 2, avenue de la Source de la Bièvre, 78180 Montigny-le-Bretonneux, France
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