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Jeffrey S, Hamilton C, Ames PRJ. Acquired factor V and factor X Deficiency coexisting with acquired dysfibrinogenaemia in a patient with light chain myeloma. Blood Coagul Fibrinolysis 2024; 35:139-140. [PMID: 38358896 DOI: 10.1097/mbc.0000000000001280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2024]
Abstract
An elderly woman with light chain myeloma presented with prolonged epistaxis and extensive cutaneous haematomas: her kappa/lambda ratio was high at 395, her coagulation screen, thrombin and reptilase times were abnormal, her FV and FX were in the low range in the absence of specific inhibitors, her Clauss fibrinogen was low at 0.95 g/l but antigenic FNG was 1.58 g/l. The patient denied treatment and died of progressive renal failure. We wish to describe the unusual association of FX and FV deficiency co-existing with an acquired dysfibrinogenaemia.
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Affiliation(s)
| | | | - Paul R J Ames
- Dumfries & Galloway Royal Infirmary, Dumfries, UK
- Immune Response & Vascular Disease Unit, Universidade NOVA de Lisboa, Lisboa, Portugal
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Mohsenian S, Palla R, Menegatti M, Cairo A, Lecchi A, Casini A, Neerman-Arbez M, Asselta R, Scardo S, Siboni SM, Blatny J, Zapletal O, Schved JF, Giansily-Blaizot M, Halimeh S, Daoud MA, Platokouki H, Pergantou H, Schutgens REG, Van Haaften-Spoor M, Brons P, Laros-van Gorkom B, Van Pinxten E, Borhany M, Fatima N, Mikovic D, Saracevic M, Özdemir GN, Ay Y, Makris M, Lockley C, Mumford A, Harvey A, Austin S, Shapiro A, Williamson A, McGuinn C, Goldberg I, De Moerloose P, Peyvandi F. Congenital fibrinogen disorders: a retrospective clinical and genetic analysis of the Prospective Rare Bleeding Disorders Database. Blood Adv 2024; 8:1392-1404. [PMID: 38286442 PMCID: PMC10950829 DOI: 10.1182/bloodadvances.2023012186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 01/11/2024] [Accepted: 01/13/2024] [Indexed: 01/31/2024] Open
Abstract
ABSTRACT Congenital fibrinogen deficiency (CFD) is a rare bleeding disorder caused by mutations in FGA, FGB, and FGG. We sought to comprehensively characterize patients with CFD using PRO-RBDD (Prospective Rare Bleeding Disorders Database). Clinical phenotypes, laboratory, and genetic features were investigated using retrospective data from the PRO-RBDD. Patients were classified from asymptomatic to grade 3 based on their bleeding severity. In addition, FGA, FGB, and FGG were sequenced to find causative variants. A total of 166 CFD cases from 16 countries were included, of whom 123 (30 afibrinogenemia, 33 hypofibrinogenemia, 55 dysfibrinogenemia, and 5 hypodysfibrinogenemia) were well characterized. Considering the previously established factor activity and antigen level thresholds, bleeding severity was correctly identified in 58% of the cases. The rates of thrombotic events among afibrinogenemic and hypofibrinogenemic patients were relatively similar (11% and 10%, respectively) and surprisingly higher than in dysfibrinogenemic cases. The rate of spontaneous abortions among 68 pregnancies was 31%, including 86% in dysfibrinogenemic women and 14% with hypofibrinogenemia. Eighty-six patients received treatment (69 on-demand and/or 17 on prophylaxis), with fibrinogen concentrates being the most frequently used product. Genetic analysis was available for 91 cases and 41 distinct variants were identified. Hotspot variants (FGG, p.Arg301Cys/His and FGA, p.Arg35Cys/His) were present in 51% of dysfibrinogenemia. Obstetric complications were commonly observed in dysfibrinogenemia. This large multicenter study provided a comprehensive insight into the clinical, laboratory, and genetic history of patients with CFDs. We conclude that bleeding severity grades were in agreement with the established factor activity threshold in nearly half of the cases with quantitative defects.
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Affiliation(s)
- Samin Mohsenian
- Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Milan, Italy
| | - Roberta Palla
- Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Milan, Italy
| | - Marzia Menegatti
- Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Angelo Bianchi Bonomi Hemophilia and Thrombosis Center and Fondazione Luigi Villa, Milan, Italy
| | - Andrea Cairo
- Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Angelo Bianchi Bonomi Hemophilia and Thrombosis Center and Fondazione Luigi Villa, Milan, Italy
| | - Anna Lecchi
- Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Angelo Bianchi Bonomi Hemophilia and Thrombosis Center and Fondazione Luigi Villa, Milan, Italy
| | - Alessandro Casini
- Division of Angiology and Hemostasis, Faculty of Medicine, Geneva University Hospitals, Geneva, Switzerland
| | - Marguerite Neerman-Arbez
- Department of Genetic Medicine and Development, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Rosanna Asselta
- Department of Biomedical Sciences, Humanitas University, Milan, Italy
- IRCCS Humanitas Research Hospital, Milan, Italy
| | - Sara Scardo
- Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Angelo Bianchi Bonomi Hemophilia and Thrombosis Center and Fondazione Luigi Villa, Milan, Italy
| | - Simona Maria Siboni
- Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Angelo Bianchi Bonomi Hemophilia and Thrombosis Center and Fondazione Luigi Villa, Milan, Italy
| | - Jan Blatny
- Department of Paediatrics Haematology and Biochemistry, University Hospital Brno and Masaryk University, Brno, Czech Republic
| | - Ondrej Zapletal
- Department of Paediatrics Haematology and Biochemistry, University Hospital Brno and Masaryk University, Brno, Czech Republic
| | - Jean-Francois Schved
- Department of Biological Hematology, CHU Montpellier, Université de Montpellier, Montpellier, France
| | - Muriel Giansily-Blaizot
- Department of Biological Hematology, CHU Montpellier, Université de Montpellier, Montpellier, France
| | | | | | - Helen Platokouki
- Haemophilia-Centre-Haemostasis Unit, Aghia Sophia Children’s Hospital, Athens, Greece
| | - Helen Pergantou
- Haemophilia-Centre-Haemostasis Unit, Aghia Sophia Children’s Hospital, Athens, Greece
| | - Roger E. G. Schutgens
- Center for Benign Haematology, Thrombosis and Haemostasis, Van Creveldkliniek, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Monique Van Haaften-Spoor
- Center for Benign Haematology, Thrombosis and Haemostasis, Van Creveldkliniek, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Paul Brons
- Department of Pediatric Hematology, Radboud University Medical Center, Nijmegen, The Netherlands
| | | | - Elise Van Pinxten
- Department of Hematology, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Munira Borhany
- Clinical Hematology, National Institute of Blood Diseases and Bone Marrow Transplantation, Karachi, Pakistan
| | - Naveena Fatima
- Clinical Hematology, National Institute of Blood Diseases and Bone Marrow Transplantation, Karachi, Pakistan
| | - Danijela Mikovic
- Hemostasis Department, Blood Transfusion Institute of Serbia, Belgrade, Serbia
| | - Marko Saracevic
- Hemostasis Department, Blood Transfusion Institute of Serbia, Belgrade, Serbia
| | - Gül Nihal Özdemir
- Pediatric Hematology Department, Istinye University, Istanbul, Turkey
| | - Yılmaz Ay
- University of Health Sciences Kartal Health Application and Research Center, Pediatric Hematology and Oncology Clinic, Istanbul, Turkey
| | - Michael Makris
- Sheffield Haemophilia and Thrombosis Centre, Royal Hallamshire Hospital, Sheffield, United Kingdom
| | - Caryl Lockley
- Sheffield Haemophilia and Thrombosis Centre, Royal Hallamshire Hospital, Sheffield, United Kingdom
| | - Andrew Mumford
- School of Cellular and Molecular Medicine, University of Bristol, Bristol, United Kingdom
| | - Andrew Harvey
- School of Cellular and Molecular Medicine, University of Bristol, Bristol, United Kingdom
| | - Steve Austin
- Department of Haematology, Guys and St Thomas’ NHS Foundation Trust, London, United Kingdom
| | - Amy Shapiro
- Indiana Hemophilia and Thrombosis Center, Indianapolis, IN
| | | | | | - Ilene Goldberg
- Division of Pediatric Hematology Oncology, Department of Pediatrics, Weill Cornell Medicine, New York, NY
| | - Philippe De Moerloose
- Division of Angiology and Hemostasis, Faculty of Medicine, Geneva University Hospitals, Geneva, Switzerland
| | - 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 and Fondazione Luigi Villa, Milan, Italy
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Yousefi O, Farrokhi A, Taheri R, Ghasemi H, Zoghi S, Eslami A, Niakan A, Khalili H. Effect of low fibrinogen level on in-hospital mortality and 6-month functional outcome of TBI patients, a single center experience. Neurosurg Rev 2024; 47:95. [PMID: 38413402 DOI: 10.1007/s10143-024-02326-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 02/04/2024] [Accepted: 02/18/2024] [Indexed: 02/29/2024]
Abstract
In patients affected by traumatic brain injury (TBI), hypofibrinogenemia within the initial hours of trauma can be expected due to vascular and inflammatory changes. In this study, we aimed to evaluate the effect of hypofibrinogenemia on the in-hospital mortality and 6-month functional outcomes of TBI patients, admitted to Rajaee Hospital, a referral trauma center in Shiraz, Iran. This study included all TBI patients admitted to our center who had no prior history of coagulopathy or any systemic disease, were alive on arrival, and had not received any blood product before admission. On admission, hospitalization, imaging, and 6-month follow-up information of included patients were extracted from the TBI registry database. The baseline characteristics of patients with fibrinogen levels of less than 150 mg/dL were compared with the cases with higher levels. To assess the effect of low fibrinogen levels on in-hospital mortality, a uni- and multivariate was conducted between those who died in hospital and survivors. Based on the 6-month GOSE score of patients, those with GOSE < 4 (unfavorable outcome) were compared with those with a favorable outcome. A total of 3049 patients (84.3% male, 15.7% female), with a mean age of 39.25 ± 18.87, met the eligibility criteria of this study. 494 patients had fibrinogen levels < 150 mg/dl, who were mostly younger and had lower average GCS scores in comparison to cases with higher fibrinogen levels. By comparison of the patients who died during hospitalization and survivors, it was shown that fibrinogen < 150 mg/dl is among the prognostic factors for in-hospital mortality (OR:1.75, CI: 1.32:2.34, P-value < 0.001), while the comparison between patients with the favorable and unfavorable functional outcome at 6-month follow-up, was not in favor of prognostic effect of low fibrinogen level (OR: 0.80, CI: 0.58: 1.11, P-value: 0.19). Hypofibrinogenemia is associated with in-hospital mortality of TBI patients, along with known factors such as higher age and lower initial GCS score. However, it is not among the prognostic factors of midterm functional outcome.
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Affiliation(s)
- Omid Yousefi
- Trauma Research Center, Department of Neurosurgery, Shahid Rajaee Trauma Hospital, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Amirmohammad Farrokhi
- Trauma Research Center, Department of Neurosurgery, Shahid Rajaee Trauma Hospital, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Reza Taheri
- Trauma Research Center, Department of Neurosurgery, Shahid Rajaee Trauma Hospital, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Hadis Ghasemi
- Trauma Research Center, Department of Neurosurgery, Shahid Rajaee Trauma Hospital, Shiraz University of Medical Sciences, Shiraz, Iran
- Institute of Biology and Medicine, Taras Shevchenko National University of Kyiv (KNU), Kyiv, Ukraine
| | - Sina Zoghi
- Trauma Research Center, Department of Neurosurgery, Shahid Rajaee Trauma Hospital, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Asma Eslami
- Trauma Research Center, Department of Neurosurgery, Shahid Rajaee Trauma Hospital, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Amin Niakan
- Trauma Research Center, Department of Neurosurgery, Shahid Rajaee Trauma Hospital, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Hosseinali Khalili
- Trauma Research Center, Department of Neurosurgery, Shahid Rajaee Trauma Hospital, Shiraz University of Medical Sciences, Shiraz, Iran.
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Abstract
Congenital fibrinogen disorders are rare pathologies of the haemostasis, comprising afibrinogenaemia, hypofibrinogenaemia, dysfibrinogenaemia and hypodysfibrinogenaemia. Phenotypic manifestations are variable, patients may be asymptomatic or suffer from bleeding or thrombosis. Most of congenital fibrinogen disorders are coincidentally discovered. Fibrinogen concentrate is used to treat bleeding, whereas low-molecular weight heparin is most often administered for the treatment of thrombotic complications. The aim of this review is to provide an update of the knowledge of congenital fibrinogen disorders for Danish physicians.
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Affiliation(s)
- Mustafa Vakur Bor
- Klinisk Biokemisk Afsnit, Klinisk Diagnostisk Afdeling, Syddansk Universitetshospital, Esbjerg
- Enheden for Tromboseforskning, Institut for Regional Sundhedsforskning, Syddansk Universitet, Esbjerg
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Pascreau T, Gougeon M, Fessler J, Zia Chahabi S, Le Guen M, Vasse M. Interest in the new thromboelastometry device, Clot Pro®, for predicting thrombocytopenia and hypofibrinogenemia during lung transplantation. Thromb Res 2024; 233:203-211. [PMID: 38128338 DOI: 10.1016/j.thromres.2023.11.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 10/30/2023] [Accepted: 11/27/2023] [Indexed: 12/23/2023]
Abstract
INTRODUCTION Lung transplantation is associated with high proportion of transfusion. Monitoring of coagulopathy using viscoelastic tests could aid in the perioperative management of bleeding. The aim of the study was to assess the predictive cut-off values for thrombocytopenia and hypofibrinogenemia using the new thromboelastography analyzer, ClotPro. METHODS We retrospectively enrolled 65 patients who underwent lung transplantation and were sampled for both viscoelastic assays and conventional coagulation assays simultaneously during the procedure. We characterized the correlation between the EX-test (extrinsic pathway) and platelet count as well as between the FIB-test (extrinsic pathway after platelet inhibition) and fibrinogen concentration. Then, we used ROC curve analysis to determine the optimal EX-test and FIB-test values for predicting thrombocytopenia and hypofibrinogenemia. RESULTS All the amplitude values of the EX-test (A5, A10, A20, MCF) showed correlation with platelets count (Spearman's rank correlation coefficient ranging from 0.75 to 0.77, all p < 0.0001). We also observed a strong correlation between the amplitude values of the FIB-test (A5, A10, A20 and MCF) and the fibrinogen concentration (Spearman's rank correlation coefficient ranging from 0.68 to 0.71, all p < 0.0001). The AUCs of the EX-test values for thrombocytopenia <100 G/L and <80 G/L ranged from 0.80 to 0.93. Similarly, the AUCs of the FIB-test values for hypofibrinogenemia <1.5 g/L and <2 g/L ranged from 0.74 to 0.83. These results indicate that only the five-minute parameter of thromboelastometry is sufficient for detecting thrombocytopenia and hypofibrinogenemia in patients undergoing lung transplantation. The proposed cut off values for the EX-test to predict thrombocytopenia <80 G/L showed high sensitivity (>86 %), high specificity (>89 %) and high negative predictive value (>95 %). FIB-test cut off values predictive of fibrinogen below 1.5 g/L showed sensitivity (>78 %), specificity (>55 %) and negative predictive value (>88 %). CONCLUSIONS Our study provided preliminary results that are useful for developing a ClotPro-based algorithm to guide transfusion in lung transplantation. Future interventional studies will be necessary to validate these cut-off values of ClotPro for guiding transfusion.
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Affiliation(s)
- Tiffany Pascreau
- Department of clinical biology, Foch hospital, Suresnes, France; Université Paris-Saclay, INSERM, Hémostase inflammation thrombose HITH U1176, Le Kremlin-Bicêtre, France.
| | - Marine Gougeon
- Department of clinical biology, Foch hospital, Suresnes, France
| | - Julien Fessler
- Department of Anesthesiology and Pain Medicine, Hôpital Foch, Suresnes, France; Université Versailles-Saint-Quentin-en-Yvelines, Versailles, France
| | | | - Morgan Le Guen
- Department of Anesthesiology and Pain Medicine, Hôpital Foch, Suresnes, France; Université Versailles-Saint-Quentin-en-Yvelines, Versailles, France
| | - Marc Vasse
- Department of clinical biology, Foch hospital, Suresnes, France; Université Paris-Saclay, INSERM, Hémostase inflammation thrombose HITH U1176, Le Kremlin-Bicêtre, France
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Ivaškevičius V, Biswas A, Singh S, Stulpinaitė U, Reda S, Rühl H, Pezeshkpoor B, Pavlova A, Oldenburg J. Fibrinogen Bonn (p. Arg510Cys) in the Aα-Chain Is Associated with High Risk of Venous Thrombosis. Hamostaseologie 2023; 43:440-446. [PMID: 37442158 DOI: 10.1055/a-2094-7191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/15/2023] Open
Abstract
INTRODUCTION Inherited dysfibrinogenemia is a qualitative defect of fibrinogen caused by various mutations among three fibrinogen genes. Dysfibrinogenemia can be associated with an increased risk of thrombosis, bleeding, or both. Here, we report a 36-year-old female with dysfibrinogenemia who experienced two successful pregnancies under thromboprophylaxis after cerebral venous sinus thrombosis (CVST). PATIENTS AND METHODS In addition to plasmatic coagulation tests, fibrinogen genes FGA, FGB, and FGG were screened using direct genomic DNA sequencing. The structural-functional implications of the detected mutation were analyzed in silico. RESULTS Inherited dysfibrinogenemia was diagnosed in an index patient after CVST in a risk situation. Anticoagulation with warfarin was stopped after 12 months when the first pregnancy was planned. Pregnancy and spontaneous delivery (2020) was uncomplicated. A second pregnancy was interrupted because of acute cytomegalovirus infection and the third pregnancy was successful in 2022. Pregnancies were accompanied by thromboprophylaxis with enoxaparin 40 mg once daily until 6 weeks postpartum. Substitution of fibrinogen has not become necessary in the index patient so far. Genetic analysis revealed a novel missense mutation (p. Arg510Cys) in the FGA gene ("fibrinogen Bonn") in the index patient, as well as an asymptomatic sister, and their father who experienced recurrent pulmonary embolism. Surface exposure of wild-type Arg510 suggested the mutated Cys510 to form nonnative disulfide bonds with surface-exposed reactive cysteines from other plasma proteins like albumin leading to formation of aggregates and impaired fibrinolysis. CONCLUSIONS Fibrinogen Bonn might be associated with an increased risk of thrombosis, possibly due to impaired polymerization.
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Affiliation(s)
- V Ivaškevičius
- Institute for Experimental Hematology and Transfusion Medicine, University Hospital Bonn, Bonn, Germany
| | - A Biswas
- Institute for Experimental Hematology and Transfusion Medicine, University Hospital Bonn, Bonn, Germany
| | - S Singh
- Institute for Experimental Hematology and Transfusion Medicine, University Hospital Bonn, Bonn, Germany
| | - U Stulpinaitė
- Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - S Reda
- Institute for Experimental Hematology and Transfusion Medicine, University Hospital Bonn, Bonn, Germany
| | - H Rühl
- Institute for Experimental Hematology and Transfusion Medicine, University Hospital Bonn, Bonn, Germany
| | - B Pezeshkpoor
- Institute for Experimental Hematology and Transfusion Medicine, University Hospital Bonn, Bonn, Germany
| | - A Pavlova
- Institute for Experimental Hematology and Transfusion Medicine, University Hospital Bonn, Bonn, Germany
| | - J Oldenburg
- Institute for Experimental Hematology and Transfusion Medicine, University Hospital Bonn, Bonn, Germany
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Moazzeni A, Naderi M, Dorgalaleh A, Alizadeh S. Fibrinogen Aα gene genotyping in patients with inherited afibrinogenemia deficiency; a novel mutation in Iranian afibrinogenemia patients. Blood Coagul Fibrinolysis 2023; 34:517-522. [PMID: 37823427 DOI: 10.1097/mbc.0000000000001260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/13/2023]
Abstract
BACKGROUND Congenital fibrinogen deficiencies (CFD) are a group of rare bleeding disorders (RBD). Afibrinogenemia as a subclass of these disorders would occurs as a result of mutations in fibrinogen gene. Here in, the sequences of Aα chain of fibrinogen (FGA) in patients with inherited afibrinogenemia disorder in south-eastern of Iran were analysed. METHODS The FGA gene exons were amplified using PCR method and the DNA sequences were analysed to study the mutations in Aα chain of Fibrinogen. RESULTS Results showed that there was no large deletion in FGA gene. Although a frame shift mutation: c.196_197insT p.Ser66PhefsX10 in a patient and a novel mutation of IVS2-1G>A in two other patients were detected which were different from those detected in European population. CONCLUSION Different mutations are responsible of afibrinogenemia deficiency which requires more relevant studies for confirmation. The type and distribution of mutations in fibrinogen gene in Iranian patients is significantly different with reported mutations in European patients.
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Affiliation(s)
- Ali Moazzeni
- Hematology department, Allied medical school, Tehran University of Medical Sciences
| | - Majid Naderi
- Non-Communicable Disease Research Center, Zahedan University of Medical Sciences
| | - Akbar Dorgalaleh
- Department of Hematology and Blood Transfusion, School of Allied Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Shaban Alizadeh
- Hematology department, Allied medical school, Tehran University of Medical Sciences
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Luo X, Zhou C, Ji C, Lu C, Luo Y, Chen Z, Zhong T, Ye R, Zeng L, Luo M. Hypofibrinogenemia is an independent predictor of hemophagocytic lymphohistiocytosis in children with sepsis. Sci Rep 2023; 13:17936. [PMID: 37863910 PMCID: PMC10589207 DOI: 10.1038/s41598-023-44628-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Accepted: 10/10/2023] [Indexed: 10/22/2023] Open
Abstract
Hemophagocytic lymphohistiocytosis (HLH) is a potentially life-threatening condition in children with sepsis. We herein aimed to identify clinical and laboratory predictors of HLH in children with sepsis. We conducted a retrospective study of 568 children with sepsis admitted to Guangdong Women and Children Hospital from January 2019 to June 2022. HLH, while rare (6.34%), proved to be a highly fatal complication (37.14%) in children with sepsis. Children with HLH had higher levels of aspartate aminotransferase, lactate dehydrogenase, triglycerides, and ferritin than children without HLH; conversely, they displayed decreased levels of neutrophils, hemoglobin, platelets, fibrinogen, and albumin. Additionally, the HLH group showed higher rates of prolonged fever (> 10 days), hepatomegaly, and splenomegaly than the non-HLH group. Our retrospective analysis identified hypofibrinogenemia (OR = 0.440, P = 0.024) as an independent predictor for the development of HLH in patients with sepsis. The optimal cutoff value for fibrinogen was found to be < 2.43 g/L. The area under the curve for diagnosing HLH was 0.80 (95% confidence interval: 0.73-0.87, P < 0.0001), with a sensitivity of 72.41% and specificity of 76.27%. Thus, hypofibrinogenemia emerges as a potentially valuable predictor for HLH in children with sepsis.
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Affiliation(s)
- Xin Luo
- Department of Laboratory Medicine, Guangdong Women and Children Hospital, No. 453 Xing-nan Avenue, Guangzhou, 511400, People's Republic of China
| | - Chentao Zhou
- Laboratory Medicine, Medical College of Jiaying University, Guangzhou, 511400, People's Republic of China
| | - Cunwei Ji
- Department of Laboratory Medicine, Guangdong Women and Children Hospital, No. 453 Xing-nan Avenue, Guangzhou, 511400, People's Republic of China
| | - Chunmin Lu
- Department of Laboratory Medicine, Guangdong Women and Children Hospital, No. 453 Xing-nan Avenue, Guangzhou, 511400, People's Republic of China
| | - Yasha Luo
- Department of Laboratory Medicine, Guangdong Women and Children Hospital, No. 453 Xing-nan Avenue, Guangzhou, 511400, People's Republic of China
| | - Zhenhui Chen
- Department of Laboratory Medicine, Guangdong Women and Children Hospital, No. 453 Xing-nan Avenue, Guangzhou, 511400, People's Republic of China
| | - Tianhua Zhong
- Department of Laboratory Medicine, Guangdong Women and Children Hospital, No. 453 Xing-nan Avenue, Guangzhou, 511400, People's Republic of China
| | - Ruoting Ye
- Department of Laboratory Medicine, Guangdong Women and Children Hospital, No. 453 Xing-nan Avenue, Guangzhou, 511400, People's Republic of China
| | - Liwei Zeng
- Department of Laboratory Medicine, Guangdong Women and Children Hospital, No. 453 Xing-nan Avenue, Guangzhou, 511400, People's Republic of China
| | - Mingyong Luo
- Department of Laboratory Medicine, Guangdong Women and Children Hospital, No. 453 Xing-nan Avenue, Guangzhou, 511400, People's Republic of China.
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Li S, Jin Y, Gong Y, Luo X. Preeclampsia complicated with hypofibrinogenemia: 2 case reports and review of the literature. BMC Pregnancy Childbirth 2023; 23:631. [PMID: 37658306 PMCID: PMC10474638 DOI: 10.1186/s12884-023-05965-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 08/30/2023] [Indexed: 09/03/2023] Open
Abstract
BACKGROUND Preeclampsia complicated with hypofibrinogenemia is a rare disorder. We report two cases of severe preeclampsia complicated with hypofibrinogenemia followed by postpartum haemorrhage (PPH). CASE Two women diagnosed as preeclampsia and hypofibrinogenemia developed severe PPH after undergoing Cesarean sections. Besides supplement with fibrinogen concentrate and supportive treatment, the second patient got administration of heparin after delivery and bleeding was stopped. The haemorrhage in case 1 didn't disappear until an hysterectomy. The two patients both recovered and were discharged soon. CONCLUSIONS Severe preeclampsia patients with hypofibrinogenemia could suffer PPH. It's necessary to detect and master coagulation function. Heparin could be considered to balance hypercoagulation and hypocoagulation to avoid catastrophic haemorrhage and hysterectomy.
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Affiliation(s)
- Shiguang Li
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, 250000, China
| | - Yanhui Jin
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, 250000, China
| | - Yanmin Gong
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, 250000, China
| | - Xia Luo
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, 250000, China.
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Nathwani R, Proumen A, Blaine KP. Etiology and management of hypofibrinogenemia in trauma. Curr Opin Anaesthesiol 2023; 36:382-387. [PMID: 36994749 DOI: 10.1097/aco.0000000000001265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
Abstract
PURPOSE OF REVIEW Fibrin polymerization is essential for stable clot formation in trauma, and hypofibrinogenemia reduces hemostasis in trauma. This review considers fibrinogen biology, the changes that fibrinogen undergoes after major trauma, and current evidence for lab testing and treatment. RECENT FINDINGS Fibrinogen is a polypeptide that is converted to fibrin by the action of thrombin. During trauma, fibrinogen levels are consumed and reduce within the first few hours because of consumption, dilution, and fibrinolysis. Fibrinogen levels usually rebound within 48 hours of injury and can contribute to thrombotic events. The Clauss fibrinogen assay is the gold standard test for fibrinogen levels, although viscoelastic hemostatic assays are often used when a lab delay is anticipated. An evidence-based threshold for fibrinogen replacement is not well established in the literature, but expert opinion recommends maintaining a level above 150 mg/dl. SUMMARY Hypofibrinogenemia is an important cause of nonanatomic bleeding in trauma. Despite multiple pathologic causes, the cornerstone of treatment remains fibrinogen replacement with cryoprecipitate or fibrinogen concentrates.
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Affiliation(s)
- Rajen Nathwani
- Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, Washington
| | - Adrian Proumen
- State University of New York (SUNY) Upstate University Hospital, Syracuse, New York
| | - Kevin P Blaine
- Department of Anesthesiology and Perioperative Medicine, Oregon Health & Science University, UHN2, Portland, Orlando, USA
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11
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Czajkowska S, Rupa-Matysek J, Brzezińska J, Surdacka A, Gil L. Transfusion of fibrinogen concentrate before dental extractions in patients with afibrinogenemia: a narrative review supported by a case report with a proposed treatment protocol. Blood Transfus 2023; 21:168-175. [PMID: 35969135 PMCID: PMC10072993 DOI: 10.2450/2022.0037-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 07/06/2022] [Indexed: 04/12/2023]
Abstract
Afibrinogenemia is a coagulation disorder that occurs with a frequency of 1-2 cases/1,000,000 population and is characterized by a lack of capacity to synthesize fibrinogen. The predominant symptoms related to fibrinogen deficiency are mucocutaneous bleeding, bleeding from the gastrointestinal tract, genital tract or other vascularized tissues as well as excessive bleeding after minor injuries or accidental cuts. Thromboembolic complications and impaired wound healing may also occur. Due to the rarity of the disease, there are no recommendations about fibrinogen substitution before dental procedures (including dental surgery). The purpose of this review is to discuss the indications for the transfusion of a coagulation factor in the preparation of a patient with afibrinogenemia for dental extraction. The article is a narrative review with a proposed management protocol for the dental procedure. The authors have included information from previously published case reports, research studies, and review papers as well as their own case report.
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Affiliation(s)
- Sylwia Czajkowska
- Department of Conservative Dentistry and Endodontics, Poznan University of Medical Sciences, Poznan, Poland
| | - Joanna Rupa-Matysek
- Department of Hematology and Bone Marrow Transplantation, Poznan University of Medical Sciences, Poznan, Poland
| | - Joanna Brzezińska
- Dental Surgery Clinic at the University Centre of Dentistry and Specialised Medicine in Poznan, Poznan, Poland
| | - Anna Surdacka
- Department of Conservative Dentistry and Endodontics, Poznan University of Medical Sciences, Poznan, Poland
| | - Lidia Gil
- Department of Hematology and Bone Marrow Transplantation, Poznan University of Medical Sciences, Poznan, Poland
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12
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邢 晓, 张 筠, 朱冯 赟, 王 一, 周 新, 李 玉. [Clinical analysis of 5 cases of dermatomyositis complicated with macrophage activation syndrome]. Beijing Da Xue Xue Bao Yi Xue Ban 2022; 54:1214-1218. [PMID: 36533358 PMCID: PMC9761815 DOI: 10.19723/j.issn.1671-167x.2022.06.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Indexed: 06/17/2023]
Abstract
To investigate the clinical and immunological features of dermatomyositis (DM) complicated with macrophage activation syndrome (MAS). The demographic and clinical characteristics of five patients diagnosed with DM complicated with MAS hospitalized in the Department of Rheumatology and Immunology, Peking University People ' s Hospital from 2011 to 2021 were collected. The results of clinical manifestations, laboratory tests, immunological features, treatments and prognosis were analyzed and summarized. In this study, five female patients in Peking University People's Hospital with an average age of 63.8 (44.0-83.0) years and an average disease duration of 16.1 (1.5-48.0) months. All the patients had typical DM rash (such as heliotrope sign, V/shawl sign or Gottron's sign/papules). They all had muscle involvement (including myalgia or muscle weakness). Two patients had positive myositis-specific antibodies (MSAs), in which case 1 had anti-TIF1-γ antibody and case 5 had anti-NXP-2 antibody. Four patients had interstitial lung disease except case 3. All of the cases developed MAS in the active stage of DM. Common manifestations of MAS in these five patients included high-grade fever, cytopenia, decreased fibrinogen, elevated ferritin and increased soluble CD25. Case 1 presented with neutropenia (0.6×109 /L), thrombocytopenia (26.0×109 /L), hypofibrinogenemia (0.9 g/L), markedly elevated ferritin (26 331.0 μg/L), decreased NK cell activity. Case 2 had anaemia (hemoglobin 81.0 g/L), thrombocytopenia (55.0×109 /L), hypertriglyceridemia (4.7 mmol/L), hypofibrinogenemia (1.2 g/L), elevated ferritin (>100 000.0 μg/L), hemophagocytosis in bone marrow. Case 3 had anaemia (hemoglobin 88 g/L), decreased fibrinogen (1.9 g/L), increased ferritin (>27 759.0 μg/L), splenomegaly, hemophagocytosis in bone marrow. Case 4 suffered from neutropenia(0.3×109 /L), anaemia(hemoglobin 78 g/L), hypertriglyceridemia (4.2 mmol/L), hypofibrinogenemia (0.9 g/L), increased ferritin (>100 000.0 μg/L), and decreased NK cell activity. Case 5 presented anaemia (hemoglobin 60.0 g/L), thrombocytopenia (67.0×109 /L), hypertriglyceridemia (12.7 mmol/L), decreased fibrinogen (1.1 g/L), and elevated ferritin (>923.0 μg/L). All the patients were treated with methylprednisone pulse therapy (200-500 mg) combined with cyclosporine while case 5 received rituximab after methylprednisone pulses. In addition, case 3 also received the combination of mycophenolate mofetil. Case 1 was given etoposide while case 4 was treated with cyclophosphamide and repeated plasmapheresis at the same time. Moreover, intravenous immunoglobulin was added meantime apart from case 3. The condition of four patients improved significantly, nevertheless case 4 experienced recurred pulmonary symptoms and died of respiratory failure. As for complications about infection, case 2 had bacterial infection with high level procalcitonin (PCT) before MAS treatment and condition was improved after empiric antibacterial therapy. Case 3 had cytomegalovirus DNAemia before diagnosis of MAS and viral titer turned negative after ganciclovir therapy. After treatment of MAS, four patients developed cytomegalovirus DNAemia except case 3, in which case 5 was co-infected with bacteria. To sum, DM complicated with MAS is relatively rare, and its patients are of ten in life-threatening condition. Early detection, treatment and prevention of infection during treatment are critical to improve the prognosis.
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Affiliation(s)
- 晓燕 邢
- 北京大学人民医院风湿免疫科,北京 100044Department of Rheumatology and Immunology, Peking University People' s Hospital, Beijing 100044, China
| | - 筠肖 张
- 北京市监狱管理局清河分局医院内科,天津 300481Department of Internal Medicine, Beijing Prison Administration Qinghe Branch, Tianjin 300481, China
| | - 赟智 朱冯
- 北京大学人民医院风湿免疫科,北京 100044Department of Rheumatology and Immunology, Peking University People' s Hospital, Beijing 100044, China
| | - 一帆 王
- 北京大学人民医院风湿免疫科,北京 100044Department of Rheumatology and Immunology, Peking University People' s Hospital, Beijing 100044, China
| | - 新尧 周
- 中国中医科学院广安门医院风湿病科,北京 100053Department of Rheumatology and Immunology, Guang' anmen Hospital of China Academy of Chinese Medical Sciences, Beijing 100053, China
| | - 玉慧 李
- 北京大学人民医院风湿免疫科,北京 100044Department of Rheumatology and Immunology, Peking University People' s Hospital, Beijing 100044, China
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13
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Wei C, Cai H, Hua BL, Zhu TN. [Analysis of a family with congenital hypodysfibrinogenemia presented with thrombosis]. Zhonghua Xue Ye Xue Za Zhi 2022; 43:865-869. [PMID: 36709203 PMCID: PMC9669631 DOI: 10.3760/cma.j.issn.0253-2727.2022.10.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Indexed: 11/22/2022]
Affiliation(s)
- C Wei
- Department of Hematology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China
| | - H Cai
- Department of Hematology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China
| | - B L Hua
- Department of Hematology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China
| | - T N Zhu
- Department of Hematology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China
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Ceznerová E, Kaufmanová J, Stikarová J, Pastva O, Loužil J, Chrastinová L, Suttnar J, Kotlín R, Dyr JE. Thrombosis-associated hypofibrinogenemia: novel abnormal fibrinogen variant FGG c.8G>A with oxidative posttranslational modifications. Blood Coagul Fibrinolysis 2022; 33:228-237. [PMID: 35067535 DOI: 10.1097/mbc.0000000000001125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Here, we present the first case of fibrinogen variant FGG c.8G>A. We investigated the behaviour of this mutated fibrinogen in blood coagulation using fibrin polymerization, fibrinolysis, fibrinopeptides release measurement, mass spectrometry (MS), and scanning electron microscopy (SEM). The case was identified by routine coagulation testing of a 34-year-old man diagnosed with thrombosis. Initial genetic analysis revealed a heterozygous mutation in exon 1 of the FGG gene encoding gamma chain signal peptide. Fibrin polymerization by thrombin and reptilase showed the normal formation of the fibrin clot. However, maximal absorbance within polymerization was lower and fibrinolysis had a longer degradation phase than healthy control. SEM revealed a significant difference in clot structure of the patient, and interestingly, MS detected several posttranslational oxidations of fibrinogen. The data suggest that the mutation FGG c.8G>A with the combination of the effect of posttranslational modifications causes a novel case of hypofibrinogenemia associated with thrombosis.
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Affiliation(s)
- Eliška Ceznerová
- Department of Biochemistry, Institute of Hematology and Blood Transfusion, U Nemocnice 2094/1, Prague 2, Czech Republic
- Department of Biochemistry and Microbiology, University of Chemistry and Technology Prague, Technická 5, Prague 6, Czech Republic
| | - Jiřina Kaufmanová
- Department of Biochemistry and Microbiology, University of Chemistry and Technology Prague, Technická 5, Prague 6, Czech Republic
| | - Jana Stikarová
- Department of Biochemistry, Institute of Hematology and Blood Transfusion, U Nemocnice 2094/1, Prague 2, Czech Republic
| | - Ondřej Pastva
- Department of Biochemistry, Institute of Hematology and Blood Transfusion, U Nemocnice 2094/1, Prague 2, Czech Republic
| | - Jan Loužil
- Department of Biochemistry, Institute of Hematology and Blood Transfusion, U Nemocnice 2094/1, Prague 2, Czech Republic
| | - Leona Chrastinová
- Department of Biochemistry, Institute of Hematology and Blood Transfusion, U Nemocnice 2094/1, Prague 2, Czech Republic
| | - Jiři Suttnar
- Department of Biochemistry, Institute of Hematology and Blood Transfusion, U Nemocnice 2094/1, Prague 2, Czech Republic
| | - Roman Kotlín
- Department of Biochemistry, Institute of Hematology and Blood Transfusion, U Nemocnice 2094/1, Prague 2, Czech Republic
| | - Jan Evangelista Dyr
- Department of Biochemistry, Institute of Hematology and Blood Transfusion, U Nemocnice 2094/1, Prague 2, Czech Republic
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15
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Yang S, Williams B, Kaczorowski D, Mazzeffi M. Overt Disseminated Intravascular Coagulation with Severe Hypofibrinogenemia During Veno-Venous Extracorporeal Membrane Oxygenation. J Extra Corpor Technol 2022; 54:148-152. [PMID: 35928342 PMCID: PMC9302396 DOI: 10.1182/ject-148-152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Accepted: 05/14/2022] [Indexed: 04/11/2023]
Abstract
Disseminated intravascular coagulation (DIC) is a life-threatening hematologic derangement characterized by dysregulated thrombin generation and excessive fibrinolysis. However, DIC is poorly characterized in the extracorporeal membrane oxygenation (ECMO) population, and the underlying mechanisms are not well understood. Several mechanisms contribute to DIC in ECMO, including consumption of coagulation factors, acquired von Willebrand's syndrome leading to thrombocytopenia, and hyperfibrinolysis. There are few case reports of DIC in adult ECMO patients. Most are in the context of venoarterial ECMO, which is typically used in the setting of cardiogenic shock and cardiac arrest. These disease states themselves are known to be associated with DIC, liver failure, impaired anticoagulant mechanisms, and increased fibrinolysis. We present an unusual case of a 74-year-old man who developed overt DIC during veno-venous (VV) ECMO. DIC resulted in clinical bleeding and severe hypofibrinogenemia requiring massive cryoprecipitate transfusion of 87 pooled units. When the patient was decannulated from ECMO, his platelet count and fibrinogen concentration improved within 24 hours, suggesting that ECMO was a proximate cause of his DIC.
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Affiliation(s)
- Stephen Yang
- Department of Anesthesiology, University of Maryland School of Medicine, Baltimore, Maryland; and
| | - Brittney Williams
- Department of Anesthesiology, University of Maryland School of Medicine, Baltimore, Maryland; and
| | - David Kaczorowski
- Division of Cardiothoracic Surgery, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Michael Mazzeffi
- Department of Anesthesiology, University of Maryland School of Medicine, Baltimore, Maryland; and
- Address correspondence to: Michael Mazzeffi, MD, MPH, MSc, Department of Anesthesiology, University of Maryland School of Medicine, 22 South Greene Street, S11C00, Baltimore, MD 21201. E-mail:
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Hiramatsu D, Ogihara Y, Matsumoto T, Sato K, Takasaki A, Kurita T, Okamoto R, Wada H, Dohi K. Endovascular Treatment for Lower-extremity Arterial Thrombosis in a Patient with Congenital Afibrinogenemia and a History of Bleeding Complications. Intern Med 2022; 61:361-364. [PMID: 34334565 PMCID: PMC8866793 DOI: 10.2169/internalmedicine.7542-21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Congenital afibrinogenemia is a rare autosomal recessive blood disorder that accompanies thrombotic complications and is associated with bleeding tendency. The management of these opposing complications remains a challenge. Endovascular treatment (EVT) for peripheral arterial thrombosis has not been described in previous studies. A 57-year-old man with congenital afibrinogenemia developed back pain and left lower leg pain. The cause of the pain was confirmed to be renal infarction and lower extremity arterial thrombosis by Doppler ultrasound and contrast-enhanced computed tomography. He was treated with EVT for the lower extremity arterial thrombosis, leading to an excellent short-term improvement without bleeding.
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Affiliation(s)
- Daisuke Hiramatsu
- Department of Cardiology and Nephrology, Mie University Graduate School of Medicine, Japan
| | - Yoshito Ogihara
- Department of Cardiology and Nephrology, Mie University Graduate School of Medicine, Japan
| | - Takeshi Matsumoto
- Department of Transfusion Medicine and Cell Therapy, Mie University Hospital, Japan
| | - Kei Sato
- Department of Cardiology and Nephrology, Mie University Graduate School of Medicine, Japan
| | - Akihiro Takasaki
- Department of Cardiology and Nephrology, Mie University Graduate School of Medicine, Japan
| | - Tairo Kurita
- Department of Cardiology and Nephrology, Mie University Graduate School of Medicine, Japan
| | - Ryuji Okamoto
- Department of Cardiology and Nephrology, Mie University Graduate School of Medicine, Japan
| | - Hideo Wada
- Department of General and Laboratory Medicine, Mie Prefectural General Medical Center, Japan; Associated Department with Mie Graduate School of Medicine, Japan
| | - Kaoru Dohi
- Department of Cardiology and Nephrology, Mie University Graduate School of Medicine, Japan
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Yoda M, Kaido T, Kamijo T, Taira C, Higuchi Y, Arai S, Okumura N. Novel variant fibrinogen γp.C352R produced hypodysfibrinogenemia leading to a bleeding episode and failure of infertility treatment. Int J Hematol 2021; 114:325-333. [PMID: 34117991 DOI: 10.1007/s12185-021-03174-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 06/08/2021] [Accepted: 06/09/2021] [Indexed: 12/17/2022]
Abstract
INTRODUCTION We identified a patient with a novel heterozygous variant fibrinogen, γp.C352R (Niigata II; N-II), who had a bleeding episode and failed infertility treatment and was suspected to have hypodysfibrinogenemia based on low and discordant fibrinogen levels (functional assay 0.33 g/L, immunological assay 0.91 g/L). We analyzed the mechanism of this rare phenotype of a congenital fibrinogen disorder. MATERIALS AND METHODS Patient plasma fibrinogen was purified and protein characterization and thrombin-catalyzed fibrin polymerization performed. Recombinant fibrinogen-producing Chinese hamster ovary (CHO) cells were established and the assembly and secretion of variant fibrinogen analyzed by ELISA and western blotting. RESULTS Purified N-II plasma fibrinogen had a small lower molecular weight band below the normal γ-chain and slightly reduced fibrin polymerization. A limited proportion of p.C352R fibrinogen was secreted into the culture medium of established CHO cell lines, but the γ-chain of p.C352R was synthesized and variant fibrinogen was assembled inside the cells. CONCLUSION We demonstrated that fibrinogen N-II, γp.C352R was associated with markedly reduced secretion of variant fibrinogen from CHO cells, that fibrin polymerization of purified plasma fibrinogen was only slightly affected, and that fibrinogen N-II produces hypodysfibrinogenemia in plasma.
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Affiliation(s)
- Masahiro Yoda
- Department of Clinical Laboratory Investigation, Graduate School of Medicine, Shinshu University, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
| | - Takahiro Kaido
- Department of Clinical Laboratory Investigation, Graduate School of Medicine, Shinshu University, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
| | - Tomu Kamijo
- Department of Medical Sciences, Graduate School of Medicine, Science and Technology, Shinshu University, Matsumoto, Japan
- Department of Laboratory Medicine, Shinshu University Hospital, Matsumoto, Japan
| | - Chiaki Taira
- Department of Clinical Laboratory Investigation, Graduate School of Medicine, Shinshu University, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
| | - Yumiko Higuchi
- Department of Clinical Laboratory Investigation, Graduate School of Medicine, Shinshu University, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
| | - Shinpei Arai
- Department of Clinical Laboratory Investigation, Graduate School of Medicine, Shinshu University, 3-1-1 Asahi, Matsumoto, 390-8621, Japan.
| | - Nobuo Okumura
- Department of Clinical Laboratory Investigation, Graduate School of Medicine, Shinshu University, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
- Department of Clinical Laboratory Sciences, School of Health Sciences, Shinshu University, Matsumoto, Japan
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Kim TO, Kim MS, Kho BG, Park HY, Kwon YS, Kim YI, Lim SC, Shin HJ. Paradoxical pulmonary hemorrhage associated with hemocoagulase batroxobin in a patient with hemoptysis: A CARE-compliant case report. Medicine (Baltimore) 2021; 100:e24040. [PMID: 33530198 PMCID: PMC7850761 DOI: 10.1097/md.0000000000024040] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Accepted: 12/07/2020] [Indexed: 01/05/2023] Open
Abstract
RATIONAL Hemocoagulase, a hemostatic, is used in patients with trauma, gastrointestinal bleeding, or pulmonary hemorrhage or those undergoing surgery. However, paradoxical bleeding after hemocoagulase administration is not considered a clinically significant adverse effect. Here, we report a case of paradoxical pulmonary hemorrhage associated with hypofibrinogenemia after administration of the hemocoagulase batroxobin in a patient with hemoptysis. PATIENT CONCERNS An 86-year-old woman complained of hemoptysis during hospitalization with organophosphate poisoning. Hemocoagulase was administered to manage bleeding; however, bleeding signs, such as hemoptysis, massive epistaxis, and ecchymosis, recurred. DIAGNOSES The patient was diagnosed with acquired hypofibrinogenemia on the basis of the reduced plasma fibrinogen level after hemocoagulase administration and lack of other causes of bleeding. INTERVENTION Hemocoagulase administration was discontinued, and fibrinogen-containing plasma products were administered. OUTCOMES The plasma fibrinogen level normalized and bleeding signs did not recur. LESSONS It is necessary to measure plasma fibrinogen levels regularly in patients undergoing hemocoagulase administration and discontinue its administration when acquired hypofibrinogenemia is detected.
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Peterson W, Liederman Z, Baker J, Floros G, Martin R, Berger H, Meffe F, Teitel J, Sholzberg M. Hemorrhagic, thrombotic and obstetric complications of congenital dysfibrinogenemia in a previously asymptomatic woman. Thromb Res 2020; 196:127-129. [PMID: 32866823 DOI: 10.1016/j.thromres.2020.08.028] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 08/02/2020] [Accepted: 08/18/2020] [Indexed: 12/17/2022]
Affiliation(s)
- Wynn Peterson
- University of Toronto, Department of Medicine, Suite 3-805 R. Fraser Elliott Building, 190 Elizabeth Street, Toronto, Ontario M5G 2C4, Canada
| | - Zachary Liederman
- Toronto General Hospital, 200 Elizabeth Street, 9NU993, Toronto, Ontario M5G 2C4, Canada
| | - Jillian Baker
- St. Michael's Hospital, 30 Bond Street, Toronto, Ontario M5B 1W8, Canada
| | - Georgina Floros
- St. Michael's Hospital, 30 Bond Street, Toronto, Ontario M5B 1W8, Canada
| | - Rachel Martin
- St. Michael's Hospital, 30 Bond Street, Toronto, Ontario M5B 1W8, Canada
| | - Howard Berger
- St. Michael's Hospital, 30 Bond Street, Toronto, Ontario M5B 1W8, Canada
| | - Filomena Meffe
- St. Michael's Hospital, 30 Bond Street, Toronto, Ontario M5B 1W8, Canada
| | - Jerry Teitel
- St. Michael's Hospital, 30 Bond Street, Toronto, Ontario M5B 1W8, Canada
| | - Michelle Sholzberg
- St. Michael's Hospital, 30 Bond Street, Toronto, Ontario M5B 1W8, Canada.
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Ubaid A, Waheed F, Waheed S, Shafqat M. Congenital Hypofibrinogenemia; An Unexpected Culprit Of Blindness In An Infant. J Ayub Med Coll Abbottabad 2020; 32:268-270. [PMID: 32584008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Congenital hypofibrinogenemia is a rare haematological disorder in which the production of functional fibrinogen is impaired because of the inherited mutation. Hypofibrinogenemia affects the coagulation cascade leading to bleeding diathesis and one of its manifestations can be recurrent Vitreous haemorrhages, sometimes leading to irreversible loss of vision. Therefore, Hypofibrinogenemia must be included in the differential diagnosis of Vitreous haemorrhage, particularly in young children. We report a case of a four months old female infant who was brought by her mother to the unit since she was afraid that the child might be unable to see since she was not following things for the last one month. Her ophthalmologic examination revealed bilateral vitreous haemorrhages. Further workup for the cause of the bleeding confirmed the diagnosis of hypofibrinogenemia which was then managed accordingly.
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Affiliation(s)
- Aamer Ubaid
- Department of Medicine, Khyber Teaching Hospital, Peshawar, Pakistan
| | - Farishta Waheed
- Sisters of Charity Hospital, Buffalo, New York, United States
| | - Saadia Waheed
- Department of Medicine, Khyber Teaching Hospital, Peshawar, Pakistan
| | - Madeeha Shafqat
- Department of Medicine, Khyber Teaching Hospital, Peshawar, Pakistan
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21
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Peng Y, Nie L, Qin C, Wan L, Zhou P. Combined Congenital Hypodysfibrinogemia and Factor XI Deficiency in a Chinese Family. Acta Haematol 2020; 143:472-477. [PMID: 31982874 DOI: 10.1159/000505012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Accepted: 11/26/2019] [Indexed: 12/17/2022]
Abstract
Both congenital hypodysfibrinogenemia and factor XI deficiency are rare coagulopathies caused by mutations within the fibrinogen and F11 genes, respectively. To investigate the pathogenesis of combined congenital hypodysfibrinogenemia with factor XI (FXI) deficiency in a Chinese family, coagulation assays, FXI activity (the 1-stage method), fibrinogen activity (the Clauss method), and antigen (prothrombin time [PT]-derived method) were performed. The sequences of fibrinogen genes and F11 were amplified by PCR and analyzed by direct sequencing. The proband as well as his grandmother, father, aunt, and sister showed a low plasma concentration of fibrinogen measured by the Clauss method and a slightly decreased result by the PT-derived method; finally, c.1097A>G in exon 8 of FGG was detected in the pedigree, which caused His340Arg mutation. His grandfather had a slightly prolonged activated partial thromboplastin time (APTT) due to low FXI activity. FXI deficiency was a compound heterozygote inherited with missense mutations of c.434A>G in exon 5 as well as c.1253G>T in exon 11 which caused HGV p.His145Arg and Gly400Val mutations, respectively. The grandfather had no qualitative or quantitative defect in fibrinogen. The proband and his father and aunt had c.434A>G at the exon 5 mutation site and no decrease in FXI activity. His mother had no fibrinogen or F11 gene mutations. Plasma fibrin polymerization was delayed. The proband in our study showed typical changes of congenital hypodysfibrinogemia in the clotting analyses with delayed fibrin polymerization, but although he was a heterozygous carrier of the c.434A>G variant in the F11 gene, he had no decrease in FXI activity and no bleeding tendency, thus questioning the pathogenicity of the identified variant in the F11 gene. To our knowledge, this is the first report of a case of combined hypodysfibrinogenemia and FXI deficiency confirmed by molecular genetic tests.
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Affiliation(s)
- Yan Peng
- Department of Medical Laboratory, First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Longjian Nie
- Medical College of Nanchang University, Nanchang, China
| | - Cong Qin
- Department of Pediatrics, First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Lagen Wan
- Department of Medical Laboratory, First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Puhui Zhou
- Department of Medical Laboratory, First Affiliated Hospital of Nanchang University, Nanchang, China,
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Chow JH, Richards JE, Morrison JJ, Galvagno SM, Tanaka KA, Madurska MJ, Rock P, Scalea TM, Mazzeffi MA. Viscoelastic Signals for Optimal Resuscitation in Trauma: Kaolin Thrombelastography Cutoffs for Diagnosing Hypofibrinogenemia (VISOR Study). Anesth Analg 2019; 129:1482-1491. [PMID: 31743167 DOI: 10.1213/ane.0000000000004315] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
BACKGROUND Acute traumatic coagulopathy is common in trauma patients. Prompt diagnosis of hypofibrinogenemia allows for early treatment with cryoprecipitate or fibrinogen concentrate. At present, optimal cutoffs for diagnosing hypofibrinogenemia with kaolin thrombelastography (TEG) have not been established. We hypothesized that kaolin kaolin-TEG parameters, such as kinetic time (K-time), α-angle, and maximum amplitude (MA), would accurately diagnose hypofibrinogenemia (fibrinogen <200 mg/dL) and severe hypofibrinogenemia (fibrinogen <100 mg/dL). METHODS Adult trauma patients (injury severity score >15) presenting to our trauma center between October 2015 and October 2017 were identified retrospectively. All patients had a traditional plasma fibrinogen measurement and kaolin-TEG performed within 15 minutes of each other and within 1 hour of admission. Some patients had additional measurements after. Receiver operating characteristic (ROC) curve analysis was performed to evaluate whether K-time, α-angle, and MA could diagnose hypofibrinogenemia and severe hypofibrinogenemia. Area under the ROC curve (AUROC) was calculated for each TEG parameter with a bootstrapped 99% confidence interval (CI). Further, ROC analysis was used to estimate ideal cutoffs for diagnosing hypofibrinogenemia and severe hypofibrinogenemia by maximizing sensitivity and specificity. In addition, likelihood ratios were also calculated for different TEG variable cutoffs to diagnose hypofibrinogenemia and severe hypofibrinogenemia. RESULTS Seven hundred twenty-two pairs of TEGs and traditional plasma fibrinogen measurements were performed in 623 patients with 99 patients having additional pairs of tests after the first hour. MA (AUROC = 0.84) and K-time (AUROC = 0.83) better diagnosed hypofibrinogenemia than α-angle (AUROC = 0.8; P = .03 and P < .001 for AUROC comparisons, respectively). AUROCs statistically improved for each parameter when severe hypofibrinogenemia was modeled as the outcome (P < .001). No differences were found between parameters for diagnosing severe hypofibrinogenemia (P > .05 for all comparisons). The estimated optimal cutoffs for diagnosing hypofibrinogenemia were 1.5 minutes for K-time (95% CI, 1.4-1.6), 70.0° for α-angle (95% CI, 69.8-71.0), and 60.9 mm for MA (95% CI, 59.2-61.8). The estimated optimal cutoffs for diagnosing severe hypofibrinogenemia were 2.4 minutes for K-time (95% CI, 1.7-2.8), 60.6° for α-angle (95% CI, 57.2-67.3), and 51.2 mm for MA (95% CI, 49.0-56.2). Currently recommended K-time and α-angle cutoffs from the American College of Surgeons had low sensitivity for diagnosing hypofibrinogenemia (3%-29%), but sensitivity improved to 74% when using optimal cutoffs. CONCLUSIONS Kaolin-TEG parameters can accurately diagnose hypofibrinogenemia and severe hypofibrinogenemia in trauma patients. Currently recommended cutoffs for the treatment of hypofibrinogenemia are skewed toward high specificity and low sensitivity. Many patients are likely to be undertreated for hypofibrinogenemia using current national guidelines.
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Affiliation(s)
- Jonathan H Chow
- From the Department of Anesthesiology, Division of Critical Care, University of Maryland School of Medicine, Baltimore, Maryland
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Wieczór R, Wieczór AM, Kulwas A, Rość D. Type 2 Diabetes and Cardiovascular Factors Contrasted with Fibrinolysis Disorders in the Blood of Patients with Peripheral Arterial Disease. ACTA ACUST UNITED AC 2019; 55:medicina55070395. [PMID: 31336615 PMCID: PMC6681256 DOI: 10.3390/medicina55070395] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Revised: 07/19/2019] [Accepted: 07/19/2019] [Indexed: 11/18/2022]
Abstract
Background and objectives: Both in the pathogenesis of type 2 diabetes (DM 2) and Peripheral Arterial Disease (PAD), a vital role is played by endothelial dysfunction. Metabolic disorders found in DM 2 (hyperglycemia, insulin resistance), endothelial dysfunction, and increased inflammation lead to intensified atherothrombosis. The fibrinolysis system comprises a natural compensatory mechanism in case of hypercoagulability. The aim of this study was to assess concentrations of selected fibrinolysis parameters in the blood of patients with symptomatic PAD, including in particular concurrent DM 2 and other cardiovascular factors. Materials and Methods: In the group of 80 patients with PAD (27 F/53 M) and 30 healthy volunteers (10 F/20 M), the following parameters were measured: Concentrations of fibrinogen, tissue-Plasminogen Activator (t-PA Ag), Plasminogen Activator Inhibitor-1 (PAI-1 Ag), D-dimer, and platelet (PLT) count. Results: In the blood of patients with PAD and concomitant DM 2 significantly higher concentrations of fibrinogen were found in comparison with patients with PAD and without diabetes (p = 0.044). No significant impact was observed in individuals with atherosclerotic complications (manifested by coronary artery disease, atherosclerosis of cerebral arteries) and selected cardiovascular risk factors (smoking, LDL and triglyceride concentrations, BP values) on the levels of t-PA, PAI-1, D-dimer, and PLT count. It was found that t-PA Ag and PAI-1 Ag values tended to rise along with a BMI increase in the subgroups of subjects (with normal body mass, overweight, and obesity), but no statistically significant differences were observed. However, two significant positive correlations were reported between t-PA Ag and BMI, as well as between PAI-1 Ag and BMI. Conclusions: Type 2 diabetes in peripheral arterial disease affects the concentration of fibrinogen causing its increase, which is connected with the inflammation and prothrombotic process in the course of both conditions. The concurrence of atherosclerosis of coronary or cerebral arteries, smoking, LDL and TG concentrations, and BP value do not have a significant impact on the levels of analyzed fibrinolysis parameters. A positive correlation between BMI and t-PA Ag and PAI-1 Ag concentrations needs to be supported in further studies on a larger number of overweight and obese patients.
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Affiliation(s)
- Radosław Wieczór
- Department of Pathophysiology, Faculty of Pharmacy, Nicolaus Copernicus University in Toruń, Ludwik Rydygier Collegium Medicum in Bydgoszcz, 85-094 Bydgoszcz, Poland.
- Clinic of Vascular and Internal Medicine, Dr Jan Biziel University Hospital No. 2 in Bydgoszcz, 85-168 Bydgoszcz, Poland.
| | - Anna Maria Wieczór
- Department of Pathophysiology, Faculty of Pharmacy, Nicolaus Copernicus University in Toruń, Ludwik Rydygier Collegium Medicum in Bydgoszcz, 85-094 Bydgoszcz, Poland
| | - Arleta Kulwas
- Department of Pathophysiology, Faculty of Pharmacy, Nicolaus Copernicus University in Toruń, Ludwik Rydygier Collegium Medicum in Bydgoszcz, 85-094 Bydgoszcz, Poland
| | - Danuta Rość
- Department of Pathophysiology, Faculty of Pharmacy, Nicolaus Copernicus University in Toruń, Ludwik Rydygier Collegium Medicum in Bydgoszcz, 85-094 Bydgoszcz, Poland
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Li CQ, Wang DX, Wei XY. [Perioperative management of pregnant women combined with congenital fibrinogen deficiency: four cases report and literature review]. Beijing Da Xue Xue Bao Yi Xue Ban 2018; 50:932-936. [PMID: 30337762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Congenital fibrinogen deficiency is an autosomal recessive or dominant disorder in which quantitative (afibrinogenaemia or hypofibrinogenaemia) or qualitative (dysfibrinogenaemia) defects in the fibrinogen Aa, Bb or c protein chains that lead to reduced functional fibrinogen. We now report the perioperative management of 4 pregnant women suffering from hypofibrinogenaemia scheduled for elective caesarean section from December 2012 to October 2016 in Peking University First Hospital and review this disease with reference to classification, symptom, replacement therapy, and selection of the modes of pregnancy termination and anesthesia. The four patients were all asymptomatic, whereas there existed recurrent pregnancy loss (case 3), family history (case 2), and offspring heredity (cases 3 and 4). Routine clotting studies revealed low fibrinogen levels and prolonged thrombin time (TT) during pregnancy and on admission. However, the platelet (PLT) count, prothrombin time (PT) and activated partial thromboplastin time (APTT) were normal. All the patients were administered fibrinogen concentrate perioperatively, and underwent uncomplicated combined spinal-epidural anesthesia and uneventful surgical procedure without postpartum hemorrhage. The replacement therapy of fibrinogen or fresh frozen plasma administration was essential to avoid anesthesia and obstetric complications. Regional blockade could safely be offered in the caesarean section, providing that their coagulation defect was corrected by availability of therapeutic products and adequate response to treatment. In addition, the point-of-care rotational thrombelastometry (ROTEM) or thrombelastogram (TEG) could play an important role in an optimal perioperative management for such patients. Management plans must be tailored to each individual, taking into consideration their bleeding risk as well as potential maternal and neonatal complications.
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Affiliation(s)
- C Q Li
- Department of Anesthesiology, Peking University First Hospital, Beijing 100034, China
| | - D X Wang
- Department of Anesthesiology, Peking University First Hospital, Beijing 100034, China
| | - X Y Wei
- Department of Gynaecology and Obstetrics, Peking University First Hospital, Beijing 100034, China
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Abstract
Aortic arch surgery in patients with acute aortic dissection is frequently complicated by neurological complications and coagulopathy. However, the relationship between the coagulation system and neurological complications in patients with acute aortic dissection has not been clarified. Thus, the aim of this study was to investigate the relationship between the coagulation system and neurological complications in patients with acute aortic dissection.From September 2014 to January 2016, a total of 126 patients with acute type A aortic dissection were enrolled. Perioperative characteristics and standard laboratory tests upon admission were analyzed using univariate and multivariate logistic regression analysis in this study. The primary outcome was the correlation between the coagulation system and neurological complications.Univariate logistic regression analysis showed that the neurological complications (+) group underwent more serious and complicated postoperative outcomes. Multivariable logistic regression analysis revealed serum creatinine level (OR, 1.049; 95% CI, 1.011-1.089; P = .01), white blood cell counts (OR, 1.581; 95% CI, 1.216-2.057; P = .001) and fibrinogen concentration upon admission (OR, 0.189; 95% CI, 0.060-0.596; P = .004) as predictors of neurological complications. However, we found that there was no association between the coagulation system and in-hospital mortality.Low preoperative fibrinogen level is the preferred marker for predicting clinical neurological complications in patients with acute type A aortic dissection treated with surgical repair.
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Mazzocchi A, Foschini MP, Marconi F, Eusebi V. Kasabach-Merritt Syndrome Associated to Angiosarcoma of the Breast. A Case Report and Review of the Literature. Tumori 2018; 79:137-40. [PMID: 8346567 DOI: 10.1177/030089169307900212] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Introduction Kasabach-Merritt syndrome is characterized by the association of a consumptive thrombohemorrhagic disorder and angioma occurring usually in children. In the present study, a case of Kasabach-Merritt syndrome associated to an angiosarcoma of the breast is reported. Clinical History The tumor together with the thrombohemorrhagic disorder manifested in a 28-year-old woman. The patient underwent mastectomy. The tumor recurred in the same site 2 years later. The patient died of severe anemia 8 years after the first appearance of the angiosarcoma. Material and Methods Tissues were formalin fixed and paraffin embedded; in addition, selected sections were immunohistochemically stained. Results and Conclusions A well-differentiated angiosarcoma was visible throughout the removed organ. A review of the literature showed that only 6 cases of Kasabach-Merritt syndrome associated to malignant vascular tumors have been previously reported. All these 6 cases occurred in adult patients. On the contrary, Kasabach-Merritt syndrome associated to benign vascular tumors affects children. This is the first case occurring in the breast.
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Affiliation(s)
- A Mazzocchi
- Department of Pathology, University of Bologna, Italy
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Breen CM, Riazat MI, McCallion N, Boyle MA. Congenital hypofibrinogenaemia: a presymptomatic detection of an extremely rare bleeding disorder in preterm twins. BMJ Case Rep 2017; 2017:bcr-2017-219332. [PMID: 28583924 PMCID: PMC5534860 DOI: 10.1136/bcr-2017-219332] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/05/2017] [Indexed: 11/03/2022] Open
Abstract
Twenty-eight-week-old preterm monochorionic-diamniotic twins were admitted to the neonatal intensive care unit secondary to low birth weight and mild respiratory distress syndrome. A low fibrinogen level of less than 0.5 g/L was detected following an abnormal full blood count. They required fibrinogen transfusions until 32 weeks corrected gestation to maintain adequate fibrinogen levels. Parental screening revealed that their mother had a previously undiagnosed hypofibrinogenaemia. Of note, her only symptom was menorrhagia. This may have implications on further pregnancies as it can be associated with spontaneous miscarriage and post-partum haemorrhage. Congenital hypofibrinogenaemia is a rare disorder and there are no reported cases from Ireland. A higher degree of suspicion for screening is required to detect new cases and demonstrates the benefits of checking parental levels in such situations.
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Affiliation(s)
| | | | - Naomi McCallion
- Department of Neonatology, Rotunda Hospital, Dublin, Ireland
| | - Michael A Boyle
- Department of Neonatology, Rotunda Hospital, Dublin, Ireland
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Ivaškevičius V, Rühl H, Detarsio G, Biswas A, Gupta S, Davoli M, Quartara A, Pérez S, Raviola M, Oldenburg J. A novel missense mutation in the FGB gene (p.Gly302Arg) leading to afibrinogenemia. Predicted structure and function consequences. Hamostaseologie 2016; 36:S34-S38. [PMID: 27824214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2016] [Accepted: 07/20/2016] [Indexed: 06/06/2023] Open
Abstract
UNLABELLED Afibrinogenemia represents the rarest form of fibrinogen deficiency. Causative missense mutations occur rarely and may improve the understanding of fibrinogen structure and function. PATIENTS AND METHODS The propositus was a 26-year-old Argentinian with afibrinogenemia. FGA, FGB and FGG exons and flanking regions were screened by sequencing and the mutant protein was analyzed in silico. RESULTS A novel missense mutation in the FGB gene (Bbeta Gly272Arg, p.Gly302Arg) was identified. In silico analysis revealed its location in a highly conserved region, which preserves the core fold of the C-terminal beta-chain and is important for proper secretion. A substitution by a positively charged large Arg residue in this area would most likely disturb the core fold by additional interactions with adjacent residues (p.Asp291, p.Asp297, p.Asp311), or by forming of non-native interactions with other proteins, thereby hindering the action of molecular chaperones. Both alternatives would disturb the regular secretion of the beta-chain. CONCLUSIONS The novel missense mutation in the FGB gene causes afibrinogenemia most probably by affecting the secretion of the fibrinogen beta-chain.
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Affiliation(s)
- V Ivaškevičius
- Vytautas Ivaškevičius, Institute of Experimental Haematology and Transfusion Medicine, University Clinic Bonn Sigmund-Freud-Str. 25, 53127 Bonn, Germany, Tel. +49/(0)228/28 71-51 75, Fax -43 20,
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Abstract
INTRODUCTION Afibrinogenemia is a rare coagulation disorder. Clinical features of spontaneous bleeding, bleeding after minor trauma, or after surgery have been described as well as thrombo-embolic complications. In this article, we presented the case of a 19-year old female with congenital afibrinogenemia who was admitted with a spontaneous intrahepatic hematoma. CONCLUSIONS Supportive treatment including transfusion and fibrinogen administration, associated with repeated packing surgeries and selective embolization, were successfully performed.
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Affiliation(s)
- Stephanie Malaquin
- Surgical Intensive Care Unit
- Correspondence: Stephanie Malaquin, Surgical Intensive Care Unit, Amiens Picardy University Hospital, Réanimation Chirurgicale, CHU d’Amiens Picardie, 80054 Amiens Cedex, France (e-mail: )
| | | | - Cyril Chivot
- Department of Radiology, Amiens Picardy University Hospital
| | | | - Yazine Mahjoub
- Surgical Intensive Care Unit
- INSERM U1088, University of Picardy Jules Verne, Amiens, France
| | - Herve Dupont
- Surgical Intensive Care Unit
- INSERM U1088, University of Picardy Jules Verne, Amiens, France
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Patiroglu T, Karakukcu M. Middle Cerebral Arterial Thrombosis in a Patient with Hypofibrinogenemia, 5 Days After rFVIIa and FFP Infusion. Clin Appl Thromb Hemost 2016; 12:111-3. [PMID: 16444445 DOI: 10.1177/107602960601200119] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
A 13-year-old female patient is presented who had hypofibrinogenemia diagnosed as von Willebrand disease at 5 years of age at another hospital. She was admitted to the department of pediatric hematology with a severe headache, vomiting, and progressive right flaccid hemiplegia and lethargy. Contrast-enhanced computed tomography scan showed subdural hematoma in posterior parietal region of the brain and impending cerebellar herniation. She was given fresh-frozen plasma (FFP) and then activated factor VII (rFVIIa), 80 μg/kg was infused for replacement of von Willebrand factor. The subdural hematoma was emergently drained. The results of coagulation tests before infusion of FFP and rFVIIa revealed hypofibrinogenemia, and FFP was given every 48 hours. The patient recovered dramatically in a few days. Five days after rFVIIa infusion, a magnetic resonance angiography-proven right middle cerebral arterial thrombosis developed. It is an interesting point of discussion whether the middle cerebral arterial thrombosis was provoked as a consequence of rFVIIa and FFP infusion.
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Affiliation(s)
- Turkan Patiroglu
- Erciyes University Medical School, Department of Pediatric Hematology, Kayseri-Turkey.
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31
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Adams GN, Rosenfeldt L, Frederick M, Miller W, Waltz D, Kombrinck K, McElhinney KE, Flick MJ, Monia BP, Revenko AS, Palumbo JS. Colon Cancer Growth and Dissemination Relies upon Thrombin, Stromal PAR-1, and Fibrinogen. Cancer Res 2015; 75:4235-43. [PMID: 26238780 DOI: 10.1158/0008-5472.can-15-0964] [Citation(s) in RCA: 72] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2015] [Accepted: 07/01/2015] [Indexed: 12/13/2022]
Abstract
Thrombin-mediated proteolysis is a major determinant of metastasis, but is not universally important for primary tumor growth. Here, we report that colorectal adenocarcinoma represents one important exception whereby thrombin-mediated functions support both primary tumor growth and metastasis. In contrast with studies of multiple nongastrointestinal cancers, we found that the growth of primary tumors formed by murine and human colon cancer cells was reduced in mice by genetic or pharmacologic reduction of circulating prothrombin. Reduced prothrombin expression was associated with lower mitotic indices and invasion of surrounding tissue. Mechanistic investigations revealed that thrombin-driven colonic adenocarcinoma growth relied upon at least two targets of thrombin-mediated proteolysis, protease-activated receptor-1 (PAR-1) expressed by stromal cells and the extracellular matrix protein, fibrinogen. Colonic adenocarcinoma growth was reduced in PAR-1-deficient mice, implicating stromal cell-associated PAR-1 as one thrombin target important for tumor outgrowth. Furthermore, tumor growth was dramatically impeded in fibrinogen-deficient mice, offering the first direct evidence of a critical functional role for fibrinogen in malignant tumor growth. Tumors harvested from fibrinogen-deficient mice displayed a relative reduction in cell proliferative indices, as well as increased tumor necrosis and decreased tumor vascular density. Collectively, our findings established a functional role for thrombin and its targets PAR-1 and fibrinogen in the pathogenesis of colonic adenocarcinoma, supporting tumor growth as well as local invasion and metastasis.
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Affiliation(s)
- Gregory N Adams
- Cancer and Blood Diseases Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Leah Rosenfeldt
- Cancer and Blood Diseases Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Malinda Frederick
- Cancer and Blood Diseases Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Whitney Miller
- Cancer and Blood Diseases Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Dusty Waltz
- Cancer and Blood Diseases Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Keith Kombrinck
- Cancer and Blood Diseases Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Kathryn E McElhinney
- Cancer and Blood Diseases Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Matthew J Flick
- Cancer and Blood Diseases Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Brett P Monia
- Department of Antisense Drug Discovery, ISIS Pharmaceuticals, Inc., Carlsbad, California
| | - Alexey S Revenko
- Department of Antisense Drug Discovery, ISIS Pharmaceuticals, Inc., Carlsbad, California
| | - Joseph S Palumbo
- Cancer and Blood Diseases Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio.
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Abstract
Obstetric hemorrhage remains a leading cause of maternal morbidity and mortality worldwide. Many postpartum hemorrhages (PPHs) do not have identifiable risk factors; maternity units should therefore have obstetric hemorrhageprotocols in place for all parturients as every pregnancy has the potential to be complicated by hemorrhage. This review will examine the epidemiology of PPH as well as current recommendations for key elements in obstetric hemorrhage protocols. Recent advances in hematologic management of PPH will be also be reviewed, including: (1) recognition of hypofibrinogenemia as a risk factor for severe PPH, (2) use of antifibrinolytic therapy, and (3) strategies for fibrinogen replacement therapy.
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Affiliation(s)
- Evelyn Lockhart
- University of New Mexico Health Science Center, Departments of Pathology and Obstetrics & Gynecology, Albuquerque, NM
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Bae CB, Jung JY, Kim HA, Suh CH. Reactive hemophagocytic syndrome in adult-onset Still disease: clinical features, predictive factors, and prognosis in 21 patients. Medicine (Baltimore) 2015; 94:e451. [PMID: 25634183 PMCID: PMC4602979 DOI: 10.1097/md.0000000000000451] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2014] [Revised: 12/17/2014] [Accepted: 12/17/2014] [Indexed: 12/14/2022] Open
Abstract
Hemophagocytic syndrome (HPS) is a potentially life-threatening complication of systemic inflammatory disorders. Adult-onset Still disease (AOSD) is one of the systemic autoimmune diseases associated with reactive hemophagocytic syndrome (RHS). This study aimed to evaluate the characteristic findings, predictive factors, and prognosis of RHS in patients with AOSD. We retrospectively evaluated 109 patients diagnosed with AOSD and reviewed their clinical data and laboratory findings, including the biopsy results of 21 AOSD patients with RHS. Moreover, data from 17 hemophagocytic lymphohistiocytosis (HLH) patients evaluated during the same period were compared with those from the RHS patients. Twenty-one patients (19.3%) developed RHS during the course of AOSD, and only 7 patients (6.4%) were confirmed by bone marrow, liver, or lymph node biopsy. AOSD patients with RHS showed significantly higher frequencies of splenomegaly, hepatomegaly, and lymphadenopathy than did those without RHS. Moreover, patients with RHS showed significantly higher relapse rates than those without RHS (61.9% vs 18.2%, P < 0.001). Possible triggering factors inducing hemophagocytosis were detected in 16 of 21 RHS patients (76.2%): disease flare in 12 patients (75%), infection in 3 patients (18.8%), and drug use in 1 patient (6.3%). AOSD patients with RHS showed higher frequencies of leukopenia, anemia, thrombocytopenia, hypoalbuminemia, hypofibrinogenemia, hypertriglyceridemia, hyperferritinemia, and elevated lactate dehydrogenase levels than did those without RHS. Multivariate logistic regression with forward selection procedure showed that low platelet count (<121,000/mm³), anemia, and hepatomegaly were independent predictors of RHS. Patients with definite RHS and those with probable RHS showed comparable results. Although RHS is a life-threatening complication of AOSD, long-term prognosis was observed to be similar in patients with and those without RHS. Compared to RHS patients, HLH patients had poor prognosis, such as higher death rates (52.9% vs 9.5%, P = 0.005). RHS can be considered when an AOSD patient shows at least 2 of the following 3 findings: low platelet count, anemia, and hepatomegaly. Diagnostic confirmation by biopsy may not be essential if typical clinical findings of RHS are present. Moreover, prognosis of RHS was better than that of HLH diagnosed by the presence of trilineage cytopenia at admission.
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Affiliation(s)
- Chang-Bum Bae
- From the Department of Rheumatology, Ajou University School of Medicine, Suwon, Korea
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Abstract
Intraosseous pseudotumor (i.e. chronic, encapsulated, hemorrhagic fluid collection that can be seen in any portion of the tubular bones) is an uncommon complication of severe hemophilia; however, it can occur with other rare bleeding disorders. We present the case of an 11-year-old girl with hypofibrinogenemia who had multiple intramedullary lesions that were consistent with intramedullary pseudotumor associated with this rare bleeding disorder. Percutaneous biopsy of a pseudotumor is contraindicated due to the high prevalence of complications, including life-threatening bleeding. Therefore, radiologists should make the diagnosis with characteristic MR imaging findings in a patient with a severe coagulation disorder.
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Affiliation(s)
- H Nursun Ozcan
- Department of Pediatric Radiology, Hacettepe University Medical School, Fakülteler Mah. Dirim sok 22/3, Cebeci, 06590, Ankara, Turkey,
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Costa M, Dalmau A, Sabate A, Koo M, Aparicio I, Contreras L. Low plasma fibrinogen levels and blood product transfusion in liver transplantation. Minerva Anestesiol 2014; 80:568-573. [PMID: 24280814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
BACKGROUND Risk of bleeding in liver transplantation is determined by surgical technique, preoperative hemoglobin and antifibrinolitic therapy. We hypothesized that keeping these confounders factors identical, preoperative plasma fibrinogen level of ≤2 g/L influenced on blood product requirements. METHODS Adult patients underwent orthotropic liver transplantation (LT) during the period between January 1998 and December 2009. Cases were selected according to a propensity matching analysis meeting the following criteria: surgical vena cava preservation, tranexamic acid administration and hemoglobin range between 90 to 120 g/L. Intraoperative management was protocolized. The main variable was the percentage of patients that did not require red blood cells (RBC's). RESULTS Six hundred sixty-four patients with LT, 208 excluded, 266 who cannot be matched, the analysis was performed on 190 patients. Two cohorts: Low fibrinogen (≤2 g/L) (61 cases) and standard fibrinogen (>2 g/L) (129 cases) were analyzed. Preoperative platelet count (73.5±52 vs. 104±65; 103/mm3) was different in contrast to the hemoglobin (104.2±8.6 vs. 105.6±8.3; g/L). Use of RBC's resulted significantly higher in the low fibrinogen group (median, 3 vs. 2). The number of patients with no blood product requirements was fewer in the low fibrinogen group (8 cases, 13% vs. 45 cases, 35%). The critical level of plasma fibrinogen (1 g/L) was reached after graft reperfusion in 7 cases (5.5%) in the standard fibrinogen group vs. 24 cases (39%) in the low fibrinogen group. CONCLUSION Our data suggest that preoperative plasma fibrinogen level of ≤2 g/L increases requirements for blood products during the surgical procedure of liver transplantation.
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Affiliation(s)
- M Costa
- Department of Anesthesia and Resuscitation, Hospital Universitari de Bellvitge, IDIBELL, Barcelona, Spain -
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Sakimura S, Higashi M, Nanishi N, Sugioka N, Sirouzu K, Yamaura K, Hoka S. [Anesthetic management of a parturient with congenital afibrinogenemia undergoing cesarean section]. Masui 2012; 61:1369-1372. [PMID: 23362779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
A 29-year-old parturient with congenital afibrinogenemia was scheduled to receive cesarean section 38 weeks 2 days of gestation. Due to the bleeding ter dency by her abnormality of fibrinogen and afibrinogenemia, general anesthesia was chosen. In addition to routine administration of fibrinogen, perioperative supplementation of fibrinogen with the meticulous evaluation of the coagulation and fibrinolysis status using rotation thromboelastometry (ROTEM) enabled the patient to deliver a healthy baby without any hematological complications. The ROTEM was a useful device to check coagulopathy and fibrinolysis in this patient.
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Affiliation(s)
- Shotaro Sakimura
- Department of Anesthesiology & Critical Care Medicine, Kyushu University, Fukuoka 812-8582
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Abstract
Medical records have an important role in the diagnosis and planning treatment modalities of periodontal diseases. Surgical periodontal procedures can pose severe complications if the underlying systemic condition is not recorded. To substantiate this, we present a rare case of afibrinogenemia that was reported to the Department of Periodontics, Narayana Dental College, Nellore, India. The present case report gives details of fibrinogen disorder and the dental management of such cases.
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Ueda Y, Nojima M, Yamamoto S. Successful ABO-incompatible kidney transplantation in patient with congenital afibrinogenemia. Transpl Int 2012; 25:e98-e100. [PMID: 22624802 DOI: 10.1111/j.1432-2277.2012.01504.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Kotlín R, Suttnar J, Cápová I, Hrachovinová I, Urbánková M, Dyr JE. Fibrinogen Šumperk II: dysfibrinogenemia in an individual with two coding mutations. Am J Hematol 2012; 87:555-7. [PMID: 22407772 DOI: 10.1002/ajh.23162] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2011] [Revised: 02/07/2012] [Accepted: 02/08/2012] [Indexed: 12/14/2022]
Abstract
Fibrinogen—a 340-kDa glycoprotein—plays a crucial role in blood coagulation, platelet aggregation, wound healing, and other physiological processes. A mutation in fibrinogen may lead to congenital dysfibrinogenemia,a rare disease characterized by the functional deficiency of fibrinogen. About 580 cases of abnormal fibrinogens have been reported worldwide; thereof 335 cases in the fibrinogen Aa chain[1]. To our knowledge, only five cases of abnormal fibrinogens with two mutations [2–6] and one case of two different mutations in the same family [7] have been described earlier. A 52-year-old female was examined for bleeding. Routine hemostasis screening resulted in a diagnosis of dysfibrinogenemia. Functional testing revealed prolonged fibrin polymerization, prolonged lysis of the clot, abnormal fibrin morphology,and fibrinopeptides release. Genetic analysis showed two heterozygous nonsense mutations—previously described mutation AaGly13Glu and a novel mutation Aa Ser314Cys. The mutation Aa Gly13-Glu was found in her brother and niece, but there was no evidence in either of the mutation Aa Ser314Cys. While mutation Aa Gly13Glu is responsible for abnormal fibrinopeptide release and prolonged thrombin time, the novel mutation Aa Ser314Cys seems to affect fibrin morphology and fibrinolysis.
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Affiliation(s)
- Roman Kotlín
- Institute of Hematology and Blood Transfusion, Prague, Czech Republic.
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Zdziarska J, Iwaniec T, Undas A, Skotnicki AB. Bleeding tendency and prolonged wound healing in a patient with A alphaArg16His dysfibrinogenemia: fibrinogen Krakow IV. Thromb Res 2011; 129:532-3. [PMID: 22169505 DOI: 10.1016/j.thromres.2011.11.015] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2011] [Revised: 11/07/2011] [Accepted: 11/08/2011] [Indexed: 11/27/2022]
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Abstract
This review of published studies was conducted to derive data on patients with congenital fibrinogen deficiency (CFD), including dosing of fibrinogen replacement therapy, outcome, and adverse events, either temporally related or distant to fibrinogen replacement, in order to assist clinicians in developing treatment plans for patients with CFD. A systematic review was performed of case reports identified by a MEDLINE search between 1961 and 2010. Eligible studies included subjects with a diagnosis of CFD who received fibrinogen replacement. An attempt was made to extract dose, frequency, duration, hemostatic efficacy and adverse events such as thrombosis or allergic reactions. Reported thrombotic events distant from fibrinogen replacement were also recorded. From 104 papers reviewed, a total of 50 cases were identified: afibrinogenemia (35), hypofibrinogenemia (6), and dysfibrinogenemia (9). Fibrinogen replacement therapy was generally effective in preventing or treating bleeding in doses adequate to achieve and maintain fibrinogen activity above 50-100 mg dL(-1) (non-surgical and obstetric use) or 100-200 mg dL(-1) (surgical prophylaxis). Increased fibrinogen clearance was observed with massive hemorrhage, major surgery, and advanced pregnancy. Obstetric outcomes were optimized when fibrinogen replacement was initiated prior to conception. Uncontrolled hemorrhage, allergic reactions and antibody formation were rare events. However, thromboses, both related and unrelated to fibrinogen replacement, occurred in 15 of 50 (30%) patients overall, and in eight of 12 (67%) adult non-obstetric patients with afibrinogenemia. Published fibrinogen replacement regimens are presented for 50 CFD patients. Fibrinogen replacement therapy requires careful monitoring of fibrinogen levels. Afibrinogenemia is associated with thromboembolic complications with or without treatment.
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Affiliation(s)
- L Bornikova
- Hemophilia and Thrombosis Center, Department of Medicine, University of Colorado, Aurora, CO 80045, USA
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Kraiem I, Guermazi S, Ben Abid H, Meddeb B. [Dysfibrinogenemia and thrombosis. A case report]. Tunis Med 2010; 88:757-760. [PMID: 20890827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
BACKGROUND Congenital dysfibrinogenemia is a functional disorder of the fibrinogen that represents a rare cause of thrombophilia. AIM To report a Tunisian case of the association dysfibrinogenemia and thrombosis. CASE A woman with inherited dysfibrinogenemia associated with mild tendency to bleeding experienced a deep vein thrombosis of the lower-extremity at 26 years of age and a fatal pulmonary embolism a few years later. Paradoxically coagulation function of fibrinogen was markedly altered in vitro with a significantly prolonged prothrombin time, activated partial thromboplastin time and thrombin time, a functional fibrinogen level that was undetected and a severely impaired fibrin polymerisation. The thromboembolic events in the patient could be related to dysfibrinogenemia since the main causes of thrombophilia were excluded. CONCLUSION Although it is rare, this cause of thrombophilia must not be misdiagnosed, systematic measuring of prothrombin time, activated partial thromboplastin time and functional fibrinogen might be helpful.
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Affiliation(s)
- Imen Kraiem
- Laboratoire d'Hématologie, Institut Pasteur de Tunis, Tunisie
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Bandyopadhyay R, Bandyopadhyay SK, Chatterjee U. Inherited dysfibrinogenaemia presenting with portal vein thrombosis. J Indian Med Assoc 2010; 108:180-182. [PMID: 21043359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
A 15 years old female presented with recurrent episodes of gum bleeding, easy bruisibility and recurrent soft tissue haematoma following trivial trauma since childhood. Subsequently the patient developed features of extrahepatic portal vein obstruction due to formation of thrombus. Defective fibrinogen structure due to underlying inherited dysfibrinogenaemia led to the manifestations of both bleeding due to coagulation failure and thrombosis due to failure of abnormal fibrin to get lysed.
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Erlacher M, Heiss J, Hainmann I, Uhl M, Budde U, Oldenburg J, Ivaskevicius V, Al-Jamali J, Zajonc H, Superti-Furga A, Zieger B. Novel findings in two patients with late-diagnosed afibrinogenaemia: intraosseous haemorrhage and fingertip necrosis. Haemophilia 2009; 15:980-2. [PMID: 19473412 DOI: 10.1111/j.1365-2516.2009.02033.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Johansson L, Hedner U, Nilsson IM. A family with thromboembolic disease associated with deficient fibrinolytic activity in vessel wall. Acta Med Scand 2009; 203:477-80. [PMID: 665314 DOI: 10.1111/j.0954-6820.1978.tb14911.x] [Citation(s) in RCA: 70] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Defective fibrinolytic activity is often a contributory factor in deep venous thrombosis. A family with a high incidence of venous thrombosis in association with such a defect is presented. Of 13 family members who had had thrombosis, 12 showed a defective capacity to release fibrinolytic activity from vessel wall after venous occlusion and/or infusion of DDAVP, a vasopressin derivative. The fibrinolytic activator activity of the vessel wall was normal in all cases. This seems to be the first family in which there is evidence of an inherited abnormal fibrinolytic activity.
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Zipfel PF, Smith RJH, Skerka C. Factor I and factor H deficiency in renal diseases: similar defects in the fluid phase have a different outcome at the surface of the glomerular basement membrane. Nephrol Dial Transplant 2009; 24:385-7. [PMID: 19056782 PMCID: PMC2727304 DOI: 10.1093/ndt/gfn652] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2008] [Accepted: 10/30/2008] [Indexed: 01/08/2023] Open
Affiliation(s)
- Peter F Zipfel
- Department of Infection Biology, Leibniz Institute for Natural Product Research and Infection Biology, Hans Knöll Institute, Beutenbergstr. 11a, D-07745 Jena, Germany.
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Uçar Albayrak C, Calişkan U, Haznedaroglu IC, Goker H. Haemostatic actions of the folkloric medicinal plant extract Ankaferd Blood Stopper. J Int Med Res 2008; 36:163-170. J Int Med Res 2008; 36:1447-1449. [PMID: 19094458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/27/2023] Open
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Abstract
The evidence for intravascular coagulation in liver diseases is critically reviewed. Alternative mechanisms for hypofibrinogenemia and the accelerated disappearance of fibrinogen from blood are proposed, such as loss into extravascular compartments (e.g., ascites, areas of liver necrosis, etc.). Possible mechanisms other than DIC for the elevation of serum FDP are also considered, such as extravascular fibrinogen proteolysis with subsequent transfer of FDP to blood. Therapy is discussed with reference to the current knowledge on pathophysiology of the coagulation defect in liver diseases.
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Kumar N, Padma Kumar R, Ramesh B, Garg N. Afibrinogenaemia: a rare cause of young myocardial infarct. Singapore Med J 2008; 49:e104-e106. [PMID: 18418510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Afibrinogenaemia is a quantitative deficiency of fibrinogen that is associated with an increased bleeding tendency. Patients with afibrinogenaemia are at risk of excessive bleeding, but unusually, these patients may also experience thrombotic episodes. We report a 27-year-old man, with a known history of afibrinogenaemia, and who presented with acute onset of chest pain. Clinical examination was normal. Electrocardiogram revealed features suggestive of inferior and right ventricular myocardial infarction. This diagnosis was confirmed on echocardiogram, and by the elevated levels of cardiac enzymes troponin T and Creatinine kinase-MB. In view of the existing afibrinogenaemia, thrombolytics and anticoagulants were not given. He was managed with antiplatelets, nitrates, statins and angiotensin converting enzyme inhibitors. Young coronary artery disease risk factors (including thrombophilia) were otherwise normal. The patient tolerated dual antiplatelet therapy without any bleeding. The thrombotic episode occurring in tandem with the afibrinogenaemia, as have been observed in previous reports, is likely to be the cause for acute myocardial infarction in our patient.
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Affiliation(s)
- N Kumar
- Department Of Cardiology, Kasturba Medical College, Manipal, Karnataka 576104, India.
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