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Singh S, Kumar P, Padwad YS, Jaffer FA, Reed GL. Targeting Fibrinolytic Inhibition for Venous Thromboembolism Treatment: Overview of an Emerging Therapeutic Approach. Circulation 2024; 150:884-898. [PMID: 39250537 DOI: 10.1161/circulationaha.124.069728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 09/11/2024]
Abstract
Venous thrombosis and pulmonary embolism (venous thromboembolism) are important causes of morbidity and mortality worldwide. In patients with venous thromboembolism, thrombi obstruct blood vessels and resist physiological dissolution (fibrinolysis), which can be life threatening and cause chronic complications. Plasminogen activator therapy, which was developed >50 years ago, is effective in dissolving thrombi but has unacceptable bleeding risks. Safe dissolution of thrombi in patients with venous thromboembolism has been elusive despite multiple innovations in plasminogen activator design and catheter-based therapy. Evidence now suggests that fibrinolysis is rigidly controlled by endogenous fibrinolysis inhibitors, including α2-antiplasmin, plasminogen activator inhibitor-1, and thrombin-activable fibrinolysis inhibitor. Elevated levels of these fibrinolysis inhibitors are associated with an increased risk of venous thromboembolism in humans. New therapeutic paradigms suggest that accelerated and effective fibrinolysis may be achieved safely by therapeutically targeting these fibrinolytic inhibitors in venous thromboembolism. In this article, we discuss the role of fibrinolytic components in venous thromboembolism and the current status of research and development targeting fibrinolysis inhibitors.
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Affiliation(s)
- Satish Singh
- Protein Processing Center, Dietetics and Nutrition Technology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, Himachal Pradesh, India (S.S., P.K., Y.S.P.)
- Translational Cardiovascular Research Center, Department of Medicine, University of Arizona, College of Medicine-Phoenix (G.L.R., S.S.)
| | - Pardeep Kumar
- Protein Processing Center, Dietetics and Nutrition Technology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, Himachal Pradesh, India (S.S., P.K., Y.S.P.)
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India (P.K., Y.S.P.)
| | - Yogendra S Padwad
- Protein Processing Center, Dietetics and Nutrition Technology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, Himachal Pradesh, India (S.S., P.K., Y.S.P.)
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India (P.K., Y.S.P.)
| | - Farouc A Jaffer
- Cardiovascular Research Center, Cardiology Division, Massachusetts General Hospital, Harvard Medical School, Boston (F.A.J.)
| | - Guy L Reed
- Translational Cardiovascular Research Center, Department of Medicine, University of Arizona, College of Medicine-Phoenix (G.L.R., S.S.)
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Stępień K, Siudut J, Zalewski J, Nowakowski T, Undas A. Elevated plasma factor XI is associated with postthrombotic syndrome. Thromb Res 2024; 241:109086. [PMID: 38968817 DOI: 10.1016/j.thromres.2024.109086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2024] [Revised: 05/12/2024] [Accepted: 07/02/2024] [Indexed: 07/07/2024]
Abstract
INTRODUCTION Postthrombotic syndrome (PTS), a common complication of deep vein thrombosis (DVT), is largely inflammatory by nature with contribution of prothrombotic mechanisms. The role of factor (F)XI in PTS has not been explored yet. We investigated whether elevated FXI is associated with PTS occurrence. MATERIALS AND METHODS We enrolled 180 consecutive patients (aged 43 ± 13 years) with first-ever DVT. After 3 months FXI levels were measured, along with inflammatory markers, thrombin generation, plasma clot permeability (Ks), clot lysis time (CLT), and fibrinolysis proteins. We assessed PTS using the Villalta score and recorded symptomatic venous thromboembolism (VTE) at a 1-year and venous ulcers at a median 53 months follow-up. RESULTS Baseline median FXI was 102 % [IQR 92-113 %] and showed positive association with Villalta score (R = 0.474, P < 0.001). Patients with PTS (n = 48, 26.7 %) had 16.1 % higher FXI (P < 0.001) and FXI ≥120 % occurred more often in PTS patients (odds ratio [OR] 5.55, 95 % confidence interval [CI] 2.28-13.47). There were associations of baseline FXI with Ks and CLT along with thrombin activatable fibrinolysis inhibitor (TAFI) activity, C-reactive protein, and interleukin-6, but not with fibrinogen, or thrombin generation. After age adjustment higher FXI was independently associated with PTS occurrence (OR per 1 % 1.06, 95 % CI 1.02-1.09) and VTE recurrence (OR 1.03, 95 % CI 1.01-1.06). At long-term follow-up, patients with venous ulcers had 13.6 % higher baseline FXI (P = 0.002). CONCLUSIONS Elevated FXI in association with inflammation and prothrombotic fibrin clot properties may contribute to the development of PTS following DVT.
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Affiliation(s)
- Konrad Stępień
- Department of Thromboembolic Disorders, Institute of Cardiology, Jagiellonian University Medical College, Krakow, Poland; Department of Coronary Artery Disease and Heart Failure, St. John Paul II Hospital, Krakow, Poland
| | - Jakub Siudut
- Krakow Centre for Medical Research and Technologies, St. John Paul II Hospital, Krakow, Poland
| | - Jarosław Zalewski
- Department of Coronary Artery Disease and Heart Failure, St. John Paul II Hospital, Krakow, Poland; Department of Coronary Artery Disease and Heart Failure, Institute of Cardiology, Jagiellonian University Medical College, Krakow, Poland
| | - Tomasz Nowakowski
- Department of Angiology, Faculty of Medicine, Jagiellonian University Medical College, Krakow, Poland; Clinical Department of Angiology, University Hospital in Krakow, Krakow, Poland
| | - Anetta Undas
- Department of Thromboembolic Disorders, Institute of Cardiology, Jagiellonian University Medical College, Krakow, Poland; Krakow Centre for Medical Research and Technologies, St. John Paul II Hospital, Krakow, Poland.
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Słaboszewski M, Kolec R, Paszek E, Baran M, Undas A. Prothrombotic plasma fibrin clot phenotype is associated with spontaneous echo contrast in atrial fibrillation: The role of protein carbonylation. Thromb Res 2024; 240:109065. [PMID: 38908317 DOI: 10.1016/j.thromres.2024.109065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Revised: 06/04/2024] [Accepted: 06/14/2024] [Indexed: 06/24/2024]
Abstract
INTRODUCTION Spontaneous echo contrast (SEC) and left atrial appendage thrombus (LAAT) increase the risk of stroke and its severity in patients with atrial fibrillation (AF). Formation of denser fibrin networks and impaired fibrinolysis are associated with stroke risk in AF. This study investigated whether the prothrombotic fibrin clot phenotype characterizes patients with SEC/LAAT. METHODS We studied 139 anticoagulated patients with AF (median age, 70 years), who underwent transesophageal echocardiography (TEE). SEC and LAAT were recorded. We assessed plasma fibrin clot properties, i.e. permeability (Ks) and clot lysis time (CLT), von Willebrand Factor (vWF) antigen, endogenous thrombin potential (ETP), proteins involved in thrombosis and fibrinolysis, as well as plasma carbonylated protein content (PC). RESULTS SEC/LAAT was identified in 36 subjects (25.9 %) and was associated with heart failure (HF), AF duration, higher CHA2DS2VASc score, N-terminal prohormone of brain natriuretic peptide, and growth differentiation factor 15. Patients with SEC/LAAT had lower Ks (-15 %) and prolonged CLT (+19 %), along with higher fibrinogen (+24 %), ETP (+3 %), and plasminogen activator inhibitor-1 antigen (+16 %) compared with the remainder. Thrombin-activatable fibrinolysis inhibitor antigen, plasminogen, α2 - antiplasmin, and tissue plasminogen activator antigen were similar between the two groups. PC content was 50 % higher in SEC/LAAT and correlated with Ks (r = -0.47, p < 0.001) and CLT (r = 0.40, p < 0.001). On multivariate analysis, Ks, CLT, and PC levels, along with HF, remained independently associated with SEC/LAAT. CONCLUSIONS We demonstrated a formation of denser and poorly lysable fibrin networks in AF patients with SEC/LAAT despite anticoagulation. We suggest that this phenomenon is in part related to enhanced oxidative stress.
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Affiliation(s)
| | - Rafał Kolec
- Jagiellonian University Medical College, 31-008 Krakow, Poland
| | - Elżbieta Paszek
- Clinical Department of Interventional Cardiology, St. John Paul II Hospital, 31-202 Krakow, Poland; Department of Thromboembolic Disorders, Institute of Cardiology, Jagiellonian University Medical College, 31-202 Krakow, Poland
| | | | - Anetta Undas
- Department of Thromboembolic Disorders, Institute of Cardiology, Jagiellonian University Medical College, 31-202 Krakow, Poland; Krakow Center for Medical Research and Technologies, St. John Paul II Hospital, 31-202 Krakow, Poland.
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Iding AFJ, Alkarithi G, Cate HT, Ariëns RAS, ten Cate-Hoek AJ. Fibrinogen levels and clot properties identify patients who benefit from catheter-directed thrombolysis after DVT. Blood Adv 2024; 8:2924-2932. [PMID: 38547453 PMCID: PMC11176944 DOI: 10.1182/bloodadvances.2023012493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Accepted: 03/19/2024] [Indexed: 06/04/2024] Open
Abstract
ABSTRACT Ultrasound-accelerated catheter-directed thrombolysis (UA-CDT) to improve patency after deep vein thrombosis (DVT) has not conclusively been shown to prevent postthrombotic syndrome (PTS) but might benefit patients who are unlikely to obtain patency with standard treatment. We hypothesized that these patients could be selected based on their fibrin clot properties. To study this, patients with acute iliofemoral DVT from the CAVA (Ultrasound-Accelerated Catheter-Directed Thrombolysis Versus Anticoagulation for the Prevention of Post-thrombotic Syndrome) trial had blood samples taken at inclusion. Fibrin clot properties in plasma were determined by turbidimetric clotting (lag time and maximal turbidity) and lysis assays (time to 50% lysis and lysis rate), permeation assay, and confocal microscopy (fiber density), as well as levels of fibrin clot modifiers fibrinogen and C-reactive protein (CRP). Patency was defined as >90% iliofemoral vein compressibility at 12-month ultrasound. PTS was defined as ≥5 Villalta score at 6 or 12 months. In total, 91 of 152 patients were included, including 43 with additional UA-CDT and 48 with standard treatment. Patients with additional UA-CDT more often obtained patency (55.8 vs 27.1%) Patients who obtained patency had longer lag times and lower maximal turbidity, fibrinogen, and CRP; only maximal turbidity and fibrinogen remained associated when adjusting for treatment, thrombus load, and body mass index. Fibrinogen levels had an optimal cutoff at 4.85 g/L. Low fibrinogen levels best predicted patency. Additional UA-CDT decreased the risk of PTS only in patients with high fibrinogen. Therefore, additional UA-CDT might prevent PTS in selected patients based on routinely measured fibrinogen levels. This study was registered at www.ClinicalTrials.gov as #NCT00970619.
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Affiliation(s)
- Aaron F. J. Iding
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, The Netherlands
- Thrombosis Expertise Center, Heart + Vascular Center, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Ghadir Alkarithi
- Discovery and Translational Science Department, Leeds Institute of Cardiovascular and Metabolic Medicine, Faculty of Medicine and Health, University of Leeds, Leeds, United Kingdom
| | - Hugo ten Cate
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, The Netherlands
- Thrombosis Expertise Center, Heart + Vascular Center, Maastricht University Medical Center, Maastricht, The Netherlands
- Department of Internal Medicine, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Robert A. S. Ariëns
- Discovery and Translational Science Department, Leeds Institute of Cardiovascular and Metabolic Medicine, Faculty of Medicine and Health, University of Leeds, Leeds, United Kingdom
| | - Arina J. ten Cate-Hoek
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, The Netherlands
- Thrombosis Expertise Center, Heart + Vascular Center, Maastricht University Medical Center, Maastricht, The Netherlands
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Landi E, Mugnaini M, Vatansever T, Fort A, Vignoli V, Giurranna E, Argento FR, Fini E, Emmi G, Fiorillo C, Becatti M. Advancing Thrombosis Research: A Novel Device for Measuring Clot Permeability. SENSORS (BASEL, SWITZERLAND) 2024; 24:3764. [PMID: 38931548 PMCID: PMC11207702 DOI: 10.3390/s24123764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Revised: 05/28/2024] [Accepted: 06/07/2024] [Indexed: 06/28/2024]
Abstract
Thromboembolism, a global leading cause of mortality, needs accurate risk assessment for effective prophylaxis and treatment. Current stratification methods fall short in predicting thrombotic events, emphasizing the need for a deeper understanding of clot properties. Fibrin clot permeability, a crucial parameter in hypercoagulable states, impacts clot structure and resistance to lysis. Current clot permeability measurement limitations propel the need for standardized methods. Prior findings underscore the importance of clot permeability in various thrombotic conditions but call for improvements and more precise, repeatable, and standardized methods. Addressing these challenges, our study presents an upgraded, portable, and cost-effective system for measuring blood clot permeability, which utilizes a pressure-based approach that adheres to Darcy's law. By enhancing precision and sensitivity in discerning clot characteristics, this innovation provides a valuable tool for assessing thrombotic risk and associated pathological conditions. In this paper, the authors present a device that is able to automatically perform the permeability measurements on plasma or fibrinogen in vitro-induced clots on specific holders (filters). The proposed device has been tailored to distinguish clot permeability, with high precision and sensitivity, between healthy subjects and high cardiovascular-risk patients. The precise measure of clot permeability represents an excellent indicator of thrombotic risk, thus allowing the clinician, also on the basis of other anamnestic and laboratory data, to attribute a risk score to the subject. The proposed instrument was characterized by performing permeability measurements in plasma and purified fibrinogen clots derived from 17 Behcet patients and 15 sex- and age-matched controls. As expected, our results clearly indicate a significant difference in plasma clot permeability in Behcet patients with respect to controls (0.0533 ± 0.0199 d vs. 0.0976 ± 0.0160 d, p < 0.001). This difference was confirmed in the patient's vs. control fibrin clots (0.0487 ± 0.0170 d vs. 0.1167 ± 0.0487 d, p < 0.001). In conclusion, our study demonstrates the feasibility, efficacy, portability, and cost-effectiveness of a novel device for measuring clot permeability, allowing healthcare providers to better stratify thrombotic risk and tailor interventions, thereby improving patient outcomes and reducing healthcare costs, which could significantly improve the management of thromboembolic diseases.
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Affiliation(s)
- Elia Landi
- Department of Information Engineering and Mathematics, University of Siena, 53100 Siena, Italy; (M.M.); (T.V.); (A.F.); (V.V.)
| | - Marco Mugnaini
- Department of Information Engineering and Mathematics, University of Siena, 53100 Siena, Italy; (M.M.); (T.V.); (A.F.); (V.V.)
| | - Tunahan Vatansever
- Department of Information Engineering and Mathematics, University of Siena, 53100 Siena, Italy; (M.M.); (T.V.); (A.F.); (V.V.)
| | - Ada Fort
- Department of Information Engineering and Mathematics, University of Siena, 53100 Siena, Italy; (M.M.); (T.V.); (A.F.); (V.V.)
| | - Valerio Vignoli
- Department of Information Engineering and Mathematics, University of Siena, 53100 Siena, Italy; (M.M.); (T.V.); (A.F.); (V.V.)
| | - Elvira Giurranna
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Firenze, 50121 Florence, Italy; (E.G.); (F.R.A.); (E.F.); (C.F.); (M.B.)
| | - Flavia Rita Argento
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Firenze, 50121 Florence, Italy; (E.G.); (F.R.A.); (E.F.); (C.F.); (M.B.)
| | - Eleonora Fini
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Firenze, 50121 Florence, Italy; (E.G.); (F.R.A.); (E.F.); (C.F.); (M.B.)
| | - Giacomo Emmi
- Department of Medical, Surgical and Health Sciences, University of Trieste, 34100 Trieste, Italy;
| | - Claudia Fiorillo
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Firenze, 50121 Florence, Italy; (E.G.); (F.R.A.); (E.F.); (C.F.); (M.B.)
| | - Matteo Becatti
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Firenze, 50121 Florence, Italy; (E.G.); (F.R.A.); (E.F.); (C.F.); (M.B.)
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Bækgaard N, van Rijn MJE. The background and role of catheter-directed thrombolysis evolving procedures for acute iliofemoral deep venous thrombosis. THE JOURNAL OF CARDIOVASCULAR SURGERY 2024; 65:12-22. [PMID: 38261268 DOI: 10.23736/s0021-9509.23.12860-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
Minimal invasive treatment such as early endovenous thrombus removal for iliofemoral deep venous thrombosis (DVT) emerged in the end of last century. The principle is catheter-directed thrombolysis (CDT) using either plasminogen activating agents alone, as ultrasound-assisted CDT, or in combination with mechanical devices as pharmaco-mechanical CDT. The interest for this treatment modality is the high rate of post-thrombotic syndrome (PTS) with anticoagulation (AC) alone, especially after iliofemoral DVT. Recently published randomized controlled trials (RCTs) comparing early thrombus removal with AC alone, as well as non-randomized studies, have demonstrated favorable rates, or at least a decrease of moderate and severe PTS, in favor of these procedures. This article will summarize the background and evolution of the procedures in the last three decades and discuss fundamental criteria for inclusion and exclusion, focusing on the procedures regarding thrombus age and location, technical issues, complications and results including different outcome measures for PTS, for which iliac DVT involvement is a massive risk factor to be prevented.
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Affiliation(s)
- Niels Bækgaard
- Vascular Department, Gentofte Hospital and Rigshospitalet, University of Copenhagen, Copenhagen, Denmark -
| | - Marie Josee E van Rijn
- Department of Vascular and Endovascular Surgery, Erasmus Medical Center, Rotterdam, the Netherlands
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Wang J, Smeath E, Lim HY, Nandurkar H, Kok HK, Ho P. Current challenges in the prevention and management of post-thrombotic syndrome-towards improved prevention. Int J Hematol 2023; 118:547-567. [PMID: 37651058 PMCID: PMC10615940 DOI: 10.1007/s12185-023-03651-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 07/15/2023] [Accepted: 08/08/2023] [Indexed: 09/01/2023]
Abstract
Post-thrombotic syndrome (PTS) is a common and potentially debilitating complication of deep vein thrombosis (DVT), affecting up to 50% of DVT patients. The consequence of this chronic condition includes reduced quality of life, increased use of the healthcare system and decreased productivity. The societal impact of this condition is projected to increase, given our ageing population and increased burden of thrombotic diseases. Despite significant recent advances in our understanding of PTS, many unanswered questions remain. Currently, there are few effective and proven options for established PTS; hence, the emphasis should be on instituting effective prevention to reduce the progression to PTS. Effective anticoagulation lowers the risk of PTS, with direct oral anticoagulants appearing to outperform vitamin-K antagonists. However, the evidence for elastic compression stockings and endovascular thrombolysis or thrombectomy techniques remains unclear. Accurate identification of individuals at high risk of developing PTS may also improve the targeting of preventative interventions. This review will examine the current body of evidence regarding PTS, with a focus on preventative strategies as well as novel biomarkers.
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Affiliation(s)
- Julie Wang
- Northern Health, Epping, Melbourne, VIC, Australia.
- University of Melbourne, Melbourne, VIC, Australia.
- Department of Haematology, Northern Hospital, 185 Cooper St., Epping, Melbourne, 3076, VIC, Australia.
| | - Elise Smeath
- University of Melbourne, Melbourne, VIC, Australia
| | - Hui Yin Lim
- Northern Health, Epping, Melbourne, VIC, Australia
- University of Melbourne, Melbourne, VIC, Australia
| | | | - Hong Kuan Kok
- Northern Health, Epping, Melbourne, VIC, Australia
- University of Melbourne, Melbourne, VIC, Australia
| | - Prahlad Ho
- Northern Health, Epping, Melbourne, VIC, Australia
- Australian Centre for Blood Diseases, Melbourne, VIC, Australia
- University of Melbourne, Melbourne, VIC, Australia
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Harbsmeier AN, Altintas I, Iversen K, Andersen O, Nehlin JO. Biomarkers and the post-thrombotic syndrome: A systematic review of biomarkers associated with the occurrence of the post-thrombotic syndrome after lower extremity deep venous thrombosis. Phlebology 2023; 38:577-598. [PMID: 37620994 DOI: 10.1177/02683555231186681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/26/2023]
Abstract
INTRODUCTION Post-thrombotic syndrome (PTS) is a frequent chronic complication of deep venous thrombosis (DVT). Biomarkers are potentially valuable clinical tools for handling PTS. The purpose of this review was to examine which biomarkers are associated with the development of PTS in adults with lower extremity DVT. METHODS We performed a systematic review of all English language prospective studies of biomarkers and PTS published in PubMed and EMBASE. Studies were included if diagnosing DVT by diagnostic imaging and assessing PTS by clinical scales, for example, the Villalta scale. Biomarkers of thrombophilia and pathological clot properties were not assessed. Data was reported qualitatively. RESULTS 15 prospective studies were included. Studies varied widely in study design and methods of data analysis. Forty-six different biomarkers were examined, with seven being measured in two or more studies. The most frequently studied biomarkers were D-dimer, CRP, and IL-6. Associations between PTS and D-dimer were predominantly significant, while results on CRP and IL-6 were inconsistent. ICAM-1 was consistently associated with PTS in all studies and at all timepoints. IL-10 was significantly related to PTS development in the largest study and at all time points. Adiponectin, tPA, HRG and TAFI, MMP-1 and -8, and TIMP-1 and -2 were significantly associated with PTS in single studies. CONCLUSION (1) Further research on biomarkers and PTS is clearly warranted. (2) Significant differences in study designs made it difficult to draw reliable conclusions regarding individual biomarkers. We suggest the implementation of a standardized framework for the study of biomarkers and PTS, to make comparison of future studies more feasible. (3) D-dimer, ICAM-1, IL-10, MMP-1 and 8, TIMP-1, TIMP-2, and adiponectin are clinical biomarkers of particular interest to include in future studies of PTS. Large scale systemic quantitative proteomic analyses of DVT patients could help identify novel biomarkers of interest in PTS-patients.
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Affiliation(s)
- Aksel Nathan Harbsmeier
- Department of Clinical Research, Copenhagen University Hospital Amager and Hvidovre, Hvidovre, Denmark
| | - Izzet Altintas
- Department of Clinical Research, Copenhagen University Hospital Amager and Hvidovre, Hvidovre, Denmark
- Emergency Department, Copenhagen University Hospital Amager and Hvidovre, Hvidovre, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Kasper Iversen
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
- Emergency Department, Herlev and Gentofte Hospital, Copenhagen University Hospital, Herlev, Denmark
| | - Ove Andersen
- Department of Clinical Research, Copenhagen University Hospital Amager and Hvidovre, Hvidovre, Denmark
- Emergency Department, Copenhagen University Hospital Amager and Hvidovre, Hvidovre, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Jan O Nehlin
- Department of Clinical Research, Copenhagen University Hospital Amager and Hvidovre, Hvidovre, Denmark
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Kramer RA, Zimmermann R, Strobel J, Achenbach S, Ströbel AM, Hackstein H, Messerer DAC, Schneider S. An Exploratory Study Using Next-Generation Sequencing to Identify Prothrombotic Variants in Patients with Cerebral Vein Thrombosis. Int J Mol Sci 2023; 24:ijms24097976. [PMID: 37175682 PMCID: PMC10178986 DOI: 10.3390/ijms24097976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 04/26/2023] [Indexed: 05/15/2023] Open
Abstract
Prothrombotic hereditary risk factors for cerebral vein thrombosis (CVT) are of clinical interest to better understand the underlying pathophysiology and stratify patients for the risk of recurrence. This study explores prothrombotic risk factors in CVT patients. An initial screening in patients of the outpatient clinic of the Department of Transfusion Medicine and Hemostaseology of the University Hospital Erlangen, Germany, revealed 183 patients with a history of CVT. An initial screening identified a number of common prothrombic risk factors, including Factor V Leiden (rs6025) and Prothrombin G20210A (rs1799963). All patients without relevant findings (58 individuals) were invited to participate in a subsequent genetic analysis of 55 relevant genes using next-generation sequencing (NGS). Three intron variants (ADAMTS13: rs28446901, FN1: rs56380797, rs35343655) were identified to occur with a significantly higher frequency in the CVT patient cohort compared to the general European population. Furthermore, the combined prevalence of at least two of four potentially prothrombic variants (FGA (rs6050), F13A1 (rs5985), ITGB3 (rs5918), and PROCR (rs867186)) was significantly higher in the CVT subjects. The possible impact of the identified variants on CVT is discussed.
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Affiliation(s)
- Robert Anton Kramer
- Department of Transfusion Medicine and Hemostaseology, Friedrich-Alexander University Erlangen-Nuremberg, University Hospital Erlangen, 91054 Erlangen, Germany
| | - Robert Zimmermann
- Department of Transfusion Medicine and Hemostaseology, Friedrich-Alexander University Erlangen-Nuremberg, University Hospital Erlangen, 91054 Erlangen, Germany
| | - Julian Strobel
- Department of Transfusion Medicine and Hemostaseology, Friedrich-Alexander University Erlangen-Nuremberg, University Hospital Erlangen, 91054 Erlangen, Germany
| | - Susanne Achenbach
- Department of Transfusion Medicine and Hemostaseology, Friedrich-Alexander University Erlangen-Nuremberg, University Hospital Erlangen, 91054 Erlangen, Germany
| | - Armin Michael Ströbel
- Center for Clinical Studies (CCS), Medical Faculty, Friedrich-Alexander University Erlangen-Nuremberg, University Hospital Erlangen, 91054 Erlangen, Germany
| | - Holger Hackstein
- Department of Transfusion Medicine and Hemostaseology, Friedrich-Alexander University Erlangen-Nuremberg, University Hospital Erlangen, 91054 Erlangen, Germany
| | - David Alexander Christian Messerer
- Department of Transfusion Medicine and Hemostaseology, Friedrich-Alexander University Erlangen-Nuremberg, University Hospital Erlangen, 91054 Erlangen, Germany
| | - Sabine Schneider
- Department of Transfusion Medicine and Hemostaseology, Friedrich-Alexander University Erlangen-Nuremberg, University Hospital Erlangen, 91054 Erlangen, Germany
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Overall Hemostatic Potential Assay Detects Risk of Progression to Post-Thrombotic Syndrome in Anticoagulated Patients following Deep Vein Thrombosis. Diagnostics (Basel) 2022; 12:diagnostics12123165. [PMID: 36553172 PMCID: PMC9777627 DOI: 10.3390/diagnostics12123165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 12/12/2022] [Accepted: 12/12/2022] [Indexed: 12/23/2022] Open
Abstract
Deep vein thrombosis (DVT) frequently leads to post-thrombotic syndrome (PTS) which is challenging to predict and prevent. Identifying those at high risk of developing PTS may help to focus preventative strategies. Adults were recruited within 3 months of DVT diagnosis. Blood was sampled during the therapeutic anticoagulation phase. Overall hemostatic potential (OHP) assay, a spectrophotometric assay, was performed on platelet-poor plasma (PPP). In this assay, fibrin formation is triggered by small amounts of thrombin and termed the overall coagulation potential (OCP). Simultaneously, thrombin and tissue plasminogen activator are added to PPP and the resulting fibrin aggregation curve is the overall hemostatic potential (OHP). Fibrinolysis is expressed by the parameter overall fibrinolytic potential (OFP%). Patients were followed up at regular intervals. PTS was diagnosed if the Villalta score was ≥5 at least 3 months after the DVT diagnosis. Results were obtained from 190 patients (53.7% male, mean age 56.9 years). PTS developed in 62 (32.6%) patients. Patients with PTS displayed significantly higher median OCP (45.8 vs. 38.8 units, p = 0.010), OHP (12.8 vs. 9.2 units, p = 0.005) and significantly lower OFP (74.1 vs. 75.6%, p = 0.050). PTS patients had higher neutrophil/lymphocyte ratios (NLR) (2.3 vs. 1.9, p = 0.007). After multivariate analysis, proximal DVT location, history of varicose veins, NLR ≥ 2.6, OHP > 13.0 units and weight >108 kg were independent predictors for PTS. The c-statistic of the multivariate model was 0.77. This pilot study suggests that OHP testing while patients are still anticoagulated may assist in the prediction of PTS development and could assist in prognostication and targeting of preventative measures. However, larger prospective studies are needed to confirm these findings.
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GnRH Antagonist Protocol Enhances Coagulation During Controlled Ovarian Stimulation for IVF. Reprod Sci 2022; 29:3521-3531. [PMID: 35821349 DOI: 10.1007/s43032-022-01026-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 06/23/2022] [Indexed: 12/14/2022]
Abstract
Changes in coagulation and fibrinolysis have been reported in women undergoing controlled ovarian hyperstimulation (COH) supporting a potential hypercoagulable condition related to this treatment. This study aimed at evaluating the changes in fibrin clot properties and thrombin generation induced by two different COH protocols: long with gonadotropin-releasing hormone agonist (GnRH-a) and GnRH antagonist (GnRH-ant). Primary outcomes included determination of plasma fibrin clot properties, including clot permeability (Ks) and efficiency of fibrinolysis using clot lysis time (CLT), along with thrombin generation (prothrombin fragments 1 + 2) and endogenous thrombin potential (ETP) and fibrinolysis inhibitor levels. One hundred twenty-nine infertile women were included in the final analysis. The GnRH-ant protocol resulted in increased ETP (+ 9.8%) and reduced Ks (- 2.4%). Conversely, COH with the GnRH-a protocol reduced thrombin generation by decreasing both ETP (- 6.6%) and F1 + 2 (- 30.8%) together with favorably altered fibrin clot properties represented by increased Ks (+ 21.7%) and reduced CLT (- 13.8%) as well as decreased PAI-1 levels (by 2.5 times). The GnRH-ant compared to the GnRH-a protocol increased PAI-1 levels (+ 77.3%), thrombin generation (9.3% higher ETP), and Ks (+ 13.7%). In the GnRH-a group, post-COH Ks was 14.3% higher (Ks ≥ 7.92 × 10-9 cm2) in women with positive vs. negative pregnancy outcomes. Our results show that the GnRH-ant protocol enhanced thrombin generation and slightly decreased fibrin clot density. COH with the GnRH-a reduced thrombin generation and improved fibrin clot features. This trial was registered (NCT04166825). Clinical Trial Registration Number: NCT04166825.
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12
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Wolberg AS, Sang Y. Fibrinogen and Factor XIII in Venous Thrombosis and Thrombus Stability. Arterioscler Thromb Vasc Biol 2022; 42:931-941. [PMID: 35652333 PMCID: PMC9339521 DOI: 10.1161/atvbaha.122.317164] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
As the third most common vascular disease, venous thromboembolism is associated with significant mortality and morbidity. Pathogenesis underlying venous thrombosis is still not fully understood. Accumulating data suggest fibrin network structure and factor XIII-mediated crosslinking are major determinants of venous thrombus mass, composition, and stability. Understanding the cellular and molecular mechanisms mediating fibrin(ogen) and factor XIII production and function and their ability to influence venous thrombogenesis and resolution may inspire new anticoagulant strategies that target these proteins to reduce or prevent venous thrombosis in certain at-risk patients. This article summarizes fibrinogen and factor XIII biology and current knowledge of their function during venous thromboembolism.
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Affiliation(s)
- Alisa S Wolberg
- Department of Pathology and UNC Blood Research Center, University of North Carolina, Chapel Hill
| | - Yaqiu Sang
- Department of Pathology and UNC Blood Research Center, University of North Carolina, Chapel Hill
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13
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Zeng Z, Nallan Chakravarthula T, Muralidharan C, Hall A, Linnemann AK, Alves NJ. Fluorescently conjugated annular fibrin clot for multiplexed real-time digestion analysis. J Mater Chem B 2021; 9:9295-9307. [PMID: 34698753 DOI: 10.1039/d1tb02088a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Impaired fibrinolysis has long been considered as a risk factor for venous thromboembolism. Fibrin clots formed at physiological concentrations are promising substrates for monitoring fibrinolytic performance as they offer clot microstructures resembling in vivo. Here we introduce a fluorescently labeled fibrin clot lysis assay which leverages a unique annular clot geometry assayed using a microplate reader. A physiologically relevant fibrin clotting formulation was explored to achieve high assay sensitivity while minimizing labeling impact as fluorescence isothiocyanate (FITC)-fibrin(ogen) conjugations significantly affect both fibrin polymerization and fibrinolysis. Clot characteristics were examined using thromboelastography (TEG), turbidity, scanning electron microscopy, and confocal microscopy. Sample fibrinolytic activities at varying plasmin, plasminogen, and tissue plasminogen activator (tPA) concentrations were assessed in the present study and results were compared to an S2251 chromogenic assay. The optimized physiologically relevant clot substrate showed minimal reporter-conjugation impact with nearly physiological clot properties. The assay demonstrated good reproducibility, wide working range, kinetic read ability, low limit of detection, and the capability to distinguish fibrin binding-related lytic performance. In combination with its ease for multiplexing, it also has applications as a convenient platform for assessing patient fibrinolytic potential and screening thrombolytic drug activities in personalized medical applications.
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Affiliation(s)
- Ziqian Zeng
- Department of Emergency Medicine, Indiana University School of Medicine, 635 Barnhill Dr Rm. 2063, Indianapolis, IN 46202, USA. .,Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47907, USA
| | - Tanmaye Nallan Chakravarthula
- Department of Emergency Medicine, Indiana University School of Medicine, 635 Barnhill Dr Rm. 2063, Indianapolis, IN 46202, USA. .,Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47907, USA
| | - Charanya Muralidharan
- Department of Biochemistry & Molecular Biology, Indiana University School of Medicine, Indianapolis, IN 46202, USA.,Department of Pediatrics, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Abigail Hall
- Department of Emergency Medicine, Indiana University School of Medicine, 635 Barnhill Dr Rm. 2063, Indianapolis, IN 46202, USA.
| | - Amelia K Linnemann
- Department of Biochemistry & Molecular Biology, Indiana University School of Medicine, Indianapolis, IN 46202, USA.,Department of Pediatrics, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Nathan J Alves
- Department of Emergency Medicine, Indiana University School of Medicine, 635 Barnhill Dr Rm. 2063, Indianapolis, IN 46202, USA. .,Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47907, USA.,Department of Biochemistry & Molecular Biology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
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Rosenfeld MA, Wasserman LA, Vasilyeva AD, Podoplelova NA, Panteleev MA, Yurina LV. Hypochlorite-induced oxidation of fibrinogen: Effects on its thermal denaturation and fibrin structure. Biochim Biophys Acta Gen Subj 2021; 1865:129970. [PMID: 34339807 DOI: 10.1016/j.bbagen.2021.129970] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 06/17/2021] [Accepted: 07/25/2021] [Indexed: 12/23/2022]
Abstract
BACKGROUND Human fibrinogen, which plays a key role in plasma haemostasis, is a highly vulnerable target for oxidants. Fibrinogen undergoes posttranslational modifications that can potentially disrupt protein structure and function. METHODS For the first time, by differential scanning calorimetry, dynamic and elastic light scattering and confocal laser scanning microscopy, the consequences of HOCl/-OCl-induced oxidation of fibrinogen on its thermal denaturation, molecular size distribution and fibrin clot network have been explored. RESULTS Within a wide range of HOCl/-OCl concentrations (50-300 μM), the molecular size distribution remained unimodal; however, the average size of the hydrated molecules decreased. HOCl/-OCl-induced oxidation of fibrinogen resulted in the diminished thermal stability of regions D and E. As evidenced by elastic light scattering and confocal laser scanning microscopy, HOCl/-OCl caused the formation of abnormal fibrin with a decreased diameter of individual fibres. CONCLUSIONS The current results along with data from previous studies enable one to conclude that the effect of HOCl/-OCl-mediated oxidation on the thermal stability of region D is influenced directly by oxidative damage to the D region structure. Since the E region is not subjected to oxidative modification, its structural damage is likely to be mediated by the oxidation of other protein structures, in particular α-helical coiled-coils. GENERAL SIGNIFICANCE The experimental findings acquired in the current study could help to elucidate the consequences of oxidative stress in vivo on damage to the structure of fibrinogen/fibrin under the action of different ROS species.
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Affiliation(s)
- Mark A Rosenfeld
- N.M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, 119334 Moscow, Russia.
| | - Lyubov A Wasserman
- N.M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, 119334 Moscow, Russia
| | - Alexandra D Vasilyeva
- N.M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, 119334 Moscow, Russia
| | - Nadezhda A Podoplelova
- Center for Theoretical Problems of Physicochemical Pharmacology, 119991 Moscow, Russia; Federal Research and Clinical Center of Pediatric Hematology, Oncology, and Immunology, 117198 Moscow, Russia
| | - Mikhail A Panteleev
- Center for Theoretical Problems of Physicochemical Pharmacology, 119991 Moscow, Russia; Federal Research and Clinical Center of Pediatric Hematology, Oncology, and Immunology, 117198 Moscow, Russia
| | - Lyubov V Yurina
- N.M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, 119334 Moscow, Russia
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Plasma fibrinolysis, inflammatory markers, and postthrombotic syndrome: preliminary findings from the Kids-DOTT Biobank. Blood Adv 2021; 5:233-239. [PMID: 33570639 DOI: 10.1182/bloodadvances.2020002974] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 11/23/2020] [Indexed: 11/20/2022] Open
Abstract
Plasma levels of markers of coagulation and inflammation have been identified as prognostic factors for adult postthrombotic syndrome (PTS). We aimed to determine whether plasma fibrinolytic capacity and cytokine levels during the first 3 months after provoked deep venous thrombosis (DVT) are associated with risk of PTS in young patients. We analyzed plasma biospecimens (6 weeks and 3 months after provoked DVT) and clinical data from a National Heart, Lung, and Blood Institute-sponsored multinational trial of anticoagulation for provoked venous thromboembolism in patients younger than age 21 years (Kids-DOTT). Patients with a provoked extremity DVT who had plasma samples available at both 6-week and 3-month post-DVT time points and PTS assessment at 1 year were included. We measured plasma fibrinolytic capacity using the Clot Formation and Lysis (CloFAL) assay and plasma cytokine levels by multiplex immunoassay. Logistic regression analyses evaluated prognostic associations with PTS. Seventy-nine patients were included (median age, 12.8 years; range, 0.04-20.8 years). PTS developed in 34%. Complete veno-occlusion at 6 weeks after diagnosis of DVT (odds ratio [OR], 3.12; 95% confidence interval [CI], 0.81-11.94; P = .097), low fibrinolytic capacity in plasma at 3 months post-DVT (OR, 2.71; 95% CI, 0.92-7.97; P = .07), and elevated serum amyloid A at 3 months post-DVT (OR, 2.85; 95% CI, 0.98-8.34; P = .055) were identified as putative prognostic factors for development of PTS. In multivariable logistic regression analysis, these factors did not retain a statistically significant independent association with PTS, but these preliminary results warrant further investigation in an independent data set to definitively evaluate these findings and identify additional potential prognostic factors for the development of PTS after a provoked DVT in young patients.
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Abstract
Fibrinolysis is of paramount importance in maintaining or regaining the patency of veins and pulmonary arteries obstructed by thrombi. Growing experimental and clinical evidence indicates that impaired fibrinolysis mediated by multiple complex mechanisms is involved in venous thromboembolism (VTE). Global plasma fibrin clot lysis markers, especially clot lysis time, have been reported to predict recurrent deep-vein thrombosis and pulmonary embolism. The current overview summarizes available data linking fibrinolysis to VTE and its long-term sequelae.
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Affiliation(s)
- Anetta Undas
- Institute of Cardiology, Jagiellonian University Medical College, Krakow, Poland.,Krakow Centre for Medical Research and Technologies, John Paul II Hospital, Krakow, Poland
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17
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Piróg M, Kacalska-Janssen O, Jach R, Ząbczyk M, Natorska J. Fibrin clot properties among women with endometriosis and the impact of ovarian stimulation. Reprod Biomed Online 2021; 43:81-90. [PMID: 34001444 DOI: 10.1016/j.rbmo.2021.03.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 01/31/2021] [Accepted: 03/11/2021] [Indexed: 01/01/2023]
Abstract
RESEARCH QUESTION Is there a difference in fibrin clot phenotype in women with endometriosis before and after ovarian stimulation? DESIGN Prospective study including 73 infertile women in two age-matched groups: (i) with confirmed endometriosis (n = 29); (ii) without endometriosis (n = 44). Assessments of plasma fibrin clot permeability (Ks), efficiency of fibrinolysis using clot lysis time (CLT), along with thrombin generation (prothrombin fragments 1+2 [F1+2] and endogenous thrombin potential [ETP]) and fibrinolysis inhibitors were performed together with clinical pregnancy rate. RESULTS Endometriosis was associated with increased thrombin generation, reflected by both higher F1+2 (+96.1%, P = 0.005) and ETP (+14.2%, P = 0.014) along with unfavourably altered fibrin clot properties represented by lower Ks (-31%, P < 0.001) and prolonged CLT (+13.5%, P = 0.02), compared with the non-endometriosis group. Moreover, women with endometriosis had higher plasminogen activator inhibitor-1 (PAI-1; +272%, P = 0.004) concentrations and alpha-2-antiplasmin activity (+39.9%, P < 0.001) in contrast to the other group. Ovarian stimulation led to reduction in F1+2 (-48.1%, P < 0.001), improvement of fibrin clot phenotype reflected by higher Ks (+25.9%, P < 0.001) and shortened CLT (-11.9%, P < 0.001), along with lower PAI-1 (-54%, P = 0.016) compared with the baseline in women with endometriosis. CONCLUSIONS Endometriosis is associated with the prothrombotic fibrin clot phenotype and increased thrombin generation. Ovarian stimulation favourably alters fibrin clot properties and leads to comparable pregnancy outcomes to those in women without endometriosis.
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Affiliation(s)
- Magdalena Piróg
- Gynecological Endocrinology Department, Jagiellonian University Medical College Krakow, Poland.
| | - Olga Kacalska-Janssen
- Gynecological Endocrinology Department, Jagiellonian University Medical College Krakow, Poland
| | - Robert Jach
- Gynecological Endocrinology Department, Jagiellonian University Medical College Krakow, Poland
| | - Michał Ząbczyk
- Institute of Cardiology, Jagiellonian University Medical College, and John Paul II Hospital Krakow, Poland
| | - Joanna Natorska
- Institute of Cardiology, Jagiellonian University Medical College, and John Paul II Hospital Krakow, Poland
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18
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Right ventricular echocardiographic parameters associated with prothrombotic abnormalities in normotensive patients with acute pulmonary embolism. Int J Cardiol 2021; 333:195-201. [PMID: 33676943 DOI: 10.1016/j.ijcard.2021.02.087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 02/15/2021] [Accepted: 02/26/2021] [Indexed: 11/20/2022]
Abstract
BACKGROUND In acute pulmonary embolism (PE) right ventricular (RV) pressure overload negatively affects prognosis. Recently we have shown that RV dilatation is associated with a prothrombotic state in PE. We investigated which RV echocardiographic parameters best indicate prothrombotic alterations in acute PE. METHODS In 121 normotensive, noncancer PE patients, markers of RV dilatation and dysfunction were evaluated on admission using transthoracic echocardiography, along with prothrombotic state markers, i.e. increased endogenous thrombin generation (ETP), low fibrin clot permeability (Ks, a measure of clot density), and prolonged clot lysis time (CLT). RESULTS RV parasternal long axis (RVOT PLAX) >30 mm was associated with ETP (OR 3.86; 95% CI 1.55-9.62; p = 0.004) and CLT (OR 4.08; 95% CI 1.58-10.54; p = 0.004) in the top quartiles, but not with Ks. RV short parasternal axis (RVOT PSAX) >27 mm showed similar associations with higher ETP (OR 3.54; 95% CI 1.50-8.37; p = 0.004) and prolonged CLT (OR 2.78; 95% CI 1.17-6.62; p = 0.021). RV basal diameter >41 mm solely predicted prolonged CLT (OR 2.93; 95% CI 1.23-6.99; p = 0.016). The right atrium area, pulmonary trunk diameter, and tricuspid regurgitation maximum velocity were not related to prothrombotic markers, except for tricuspid annular plane systolic excursion weakly associated with ETP. Multivariable analysis showed that RVOT PSAX is independently associated with prolonged CLT (OR 1.16; 95% CI 1.04-1.30; p = 0.007), low Ks (OR 1.21; 95% CI 1.02-1.44; p = 0.029), and higher ETP (OR 1.14; 95% CI 1.03-1.26; p = 0.009). CONCLUSIONS Among RV echocardiographic parameters, the RVOT dilatation measured in PSAX best predicts prothrombotic alterations in PE patients.
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Memtsas VP, Arachchillage DRJ, Gorog DA. Role, Laboratory Assessment and Clinical Relevance of Fibrin, Factor XIII and Endogenous Fibrinolysis in Arterial and Venous Thrombosis. Int J Mol Sci 2021; 22:ijms22031472. [PMID: 33540604 PMCID: PMC7867291 DOI: 10.3390/ijms22031472] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 01/27/2021] [Accepted: 01/28/2021] [Indexed: 02/06/2023] Open
Abstract
Diseases such as myocardial infarction, ischaemic stroke, peripheral vascular disease and venous thromboembolism are major contributors to morbidity and mortality. Procoagulant, anticoagulant and fibrinolytic pathways are finely regulated in healthy individuals and dysregulated procoagulant, anticoagulant and fibrinolytic pathways lead to arterial and venous thrombosis. In this review article, we discuss the (patho)physiological role and laboratory assessment of fibrin, factor XIII and endogenous fibrinolysis, which are key players in the terminal phase of the coagulation cascade and fibrinolysis. Finally, we present the most up-to-date evidence for their involvement in various disease states and assessment of cardiovascular risk.
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Affiliation(s)
- Vassilios P. Memtsas
- Cardiology Department, East and North Hertfordshire NHS Trust, Stevenage, Hertfordshire SG1 4AB, UK;
| | - Deepa R. J. Arachchillage
- Centre for Haematology, Department of Immunology and Inflammation, Imperial College London, London SW7 2AZ, UK;
- Department of Haematology, Imperial College Healthcare NHS Trust, London W2 1NY, UK
- Department of Haematology, Royal Brompton Hospital, London SW3 6NP, UK
| | - Diana A. Gorog
- Cardiology Department, East and North Hertfordshire NHS Trust, Stevenage, Hertfordshire SG1 4AB, UK;
- School of Life and Medical Sciences, Postgraduate Medical School, University of Hertfordshire, Hertfordshire AL10 9AB, UK
- Faculty of Medicine, National Heart and Lung Institute, Imperial College, London SW3 6LY, UK
- Correspondence: ; Tel.: +44-207-0348841
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20
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Impact of epicatechin on fibrin clot structure. Eur J Pharmacol 2021; 893:173830. [PMID: 33347819 DOI: 10.1016/j.ejphar.2020.173830] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 12/15/2020] [Accepted: 12/16/2020] [Indexed: 11/21/2022]
Abstract
Fibrin clot structure and function are major determinants of thromboembolic diseases. The study aim was to determine the impact of epicatechin (a flavonoid with cardiovascular protective effects) on fibrin clot structure and permeability. Plasma samples from 12 healthy subjects were incubated with increasing concentrations of epicatechin. Turbidity of fibrin clot was analyzed by absorbance measurement at 405 nm. The fibrin clot nanostructure was determined by scanning spectrometry (wavelength from 500 to 800 nm) and fibrin fiber size by electron microscopy. Permeability was analyzed to assess the fibrin clot functional properties. Epicatechin addition increased the maximum absorbance from 0.34 ± 0.066 (vehicle) to 0.35 ± 0.077 (P = 0.1), 0.35 ± 0.072 (P < 0.05) and 0.34 ± 0.065 (P = 0.5) for 1, 10 and 100 μM epicatechin, respectively. Epicatechin increased the fibrin clot fiber radius (nm) from 109.2 ± 3.2 (vehicle) to 108.9 ± 4.3 (P = 0.9), 110.0 ± 3.6 (P < 0.05) and 109.5 ± 3.3 (P = 0.4), and the distance between protofibrils (nm) from 22.2 ± 1.5 (vehicle) to 22.1 ± 2.3 (P = 0.9), 22.6 ± 1.8 (P < 0.05) and 22.3 ± 1.8 (P = 0.9) for 1, 10 and 100 μM epicatechin respectively. Electron microscopy confirmed these changes. Fibrin clot permeability, expressed as Darcy's constant (Ks, cm2), increased from 2.97 ± 1.17 (vehicle) to 3.36 ± 1.21 (P < 0.05), 3.81 ± 1.41 (P < 0.01) and 3.38 ± 1.33 (P = 0.9). Upon epicatechin addition, the fibrin clot structure became less dense and more permeable.
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Gwozdz AM, Black SA, Hunt BJ, Lim CS. Post-thrombotic Syndrome: Preventative and Risk Reduction Strategies Following Deep Vein Thrombosis. VASCULAR AND ENDOVASCULAR REVIEW 2020. [DOI: 10.15420/ver.2020.15] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
Venous disease is common in the general population, with chronic venous disorders affecting 50–85% of the western population and consuming 2–3% of healthcare funding. It, therefore, represents a significant socioeconomic, physical and psychological burden. Acute deep vein thrombosis, although a well-recognised cause of death through pulmonary embolism, can more commonly lead to post-thrombotic syndrome (PTS). This article summarises the pathophysiology and risk factor profile of PTS, and highlights various strategies that may reduce the risk of PTS, and the endovenous management of iliofemoral deep vein thrombosis. The authors summarise the advances in PTS risk reduction strategies and present the latest evidence for discussion.
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Affiliation(s)
- Adam M Gwozdz
- Academic Department of Vascular Surgery, School of Cardiovascular Medicine and Sciences, Guy’s and St Thomas’ NHS Trust, King’s College London, London, UK
| | - Stephen A Black
- Academic Department of Vascular Surgery, School of Cardiovascular Medicine and Sciences, Guy’s and St Thomas’ NHS Trust, King’s College London, London, UK
| | - Beverley J Hunt
- Thrombosis and Haemostasis Centre, Guy’s and St Thomas’ NHS Foundation Trust, London, UK
| | - Chung S Lim
- Department of Vascular Surgery, Royal Free London NHS Foundation Trust, London, UK
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22
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Ning J, Ma W, Fish J, Trihn F, Lurie F. Biases of Villalta scale in classifying post-thrombotic syndrome in patients with pre-existing chronic venous disease. J Vasc Surg Venous Lymphat Disord 2020; 8:1025-1030. [DOI: 10.1016/j.jvsv.2020.01.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Accepted: 01/30/2020] [Indexed: 10/24/2022]
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23
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Siudut J, Natorska J, Son M, Plens K, Undas A. Increased levels of histidine-rich glycoprotein are associated with the development of post-thrombotic syndrome. Sci Rep 2020; 10:14419. [PMID: 32879351 PMCID: PMC7468120 DOI: 10.1038/s41598-020-71437-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Accepted: 08/10/2020] [Indexed: 11/09/2022] Open
Abstract
Denser fibrin networks which are relatively resistant to lysis can predispose to post-thrombotic syndrome (PTS). Histidine-rich glycoprotein (HRG), a blood protein displaying antifibrinolytic properties, is present in fibrin clots. We investigated whether HRG may affect the risk of PTS in relation to alterations to fibrin characteristics. In venous thromboembolism (VTE) patients, we evaluated plasma HRG levels, plasma clot permeability, maximum absorbance, clot lysis time and maximum rate of increase in D-dimer levels released from clots after 3 months of the index event. We excluded patients with cancer and severe comorbidities. After 2 years of follow-up, 48 patients who developed PTS had 18.6% higher HRG at baseline. Baseline HRG positively correlated with clot lysis time, maximum absorbance, and thrombin-activatable fibrinolysis inhibitor (TAFI) activity but was inversely correlated with plasma clot permeability and maximum rate of increase in D-dimer levels released from clots. On multivariate regression model adjusted for age, fibrinogen and glucose, independent predictors of PTS were recurrent VTE, baseline HRG level, and TAFI activity. VTE recurred in 45 patients, including 30 patients with PTS, and this event showed no association with elevated HRG. Our findings suggest that increased HRG levels might contribute to the development of PTS, in part through prothrombotic fibrin clot properties.
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Affiliation(s)
- Jakub Siudut
- Krakow Centre for Medical Research and Technologies, John Paul II Hospital, Krakow, Poland.,Institute of Cardiology, Jagiellonian University Medical College, 80 Pradnicka St, 31-202, Krakow, Poland
| | - Joanna Natorska
- Krakow Centre for Medical Research and Technologies, John Paul II Hospital, Krakow, Poland.,Institute of Cardiology, Jagiellonian University Medical College, 80 Pradnicka St, 31-202, Krakow, Poland
| | - Maksim Son
- Department of Clinical Neurological Sciences, University of Western Ontario, London, Canada
| | | | - Anetta Undas
- Krakow Centre for Medical Research and Technologies, John Paul II Hospital, Krakow, Poland. .,Institute of Cardiology, Jagiellonian University Medical College, 80 Pradnicka St, 31-202, Krakow, Poland.
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Becatti M, Mannucci A, Argento FR, Gitto S, Vizzutti F, Marra F, Taddei N, Fiorillo C, Laffi G. Super-Resolution Microscopy Reveals an Altered Fibrin Network in Cirrhosis: The Key Role of Oxidative Stress in Fibrinogen Structural Modifications. Antioxidants (Basel) 2020; 9:antiox9080737. [PMID: 32806658 PMCID: PMC7464401 DOI: 10.3390/antiox9080737] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 08/07/2020] [Accepted: 08/10/2020] [Indexed: 02/06/2023] Open
Abstract
Cirrhotic patients show a reduced synthesis of both pro- and anti-coagulant factors. Recent reports indicate that they are characterized by a higher risk of thrombotic rather than hemorrhagic complications, but the mechanisms conferring this risk are not fully elucidated. Oxidative-mediated fibrinogen modifications may explain, at least in part, a prothrombotic profile. The aim of the present pilot study was to investigate the alterations in fibrinogen structure and function in patients with cirrhosis of various severity and to correlate these findings with the mechanisms of thrombus formation. We assessed in plasma specific oxidative stress markers and measured oxidative modifications, functional and structural parameters in purified fibrinogen fractions obtained from cirrhotic patients and control subjects. We enrolled 15 cirrhotic patients (5 patients belonging to each of the three Child-Turcotte-Pugh classes) and 20 age- and sex-matched healthy controls. Plasma redox status, fibrinogen oxidative modifications, thrombin-catalyzed fibrin polymerization and fibrin resistance to plasmin-induced lysis were significantly altered in cirrhotic patients and were associated to disease severity. Importantly, clot structure obtained by stimulated emission depletion (STED) super-resolution microscopy indicated modifications in fiber diameter and in clot porosity in cirrhotic patients. Fibrin fiber diameter significantly decreased in cirrhotic patients when compared to controls, and this difference became more marked with disease progression. In parallel, fibrin pore size progressively decreased along with disease severity. In cirrhotic patients, fibrinogen clot analysis and oxidative-dependent changes reveal novel structural and functional fibrinogen modifications which may favor thrombotic complications in cirrhosis.
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Affiliation(s)
- Matteo Becatti
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Florence, Viale Morgagni 50, 50134 Florence, Italy; (A.M.); (F.R.A.); (N.T.); (C.F.)
- Correspondence: ; Tel.: +39-0552751261
| | - Amanda Mannucci
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Florence, Viale Morgagni 50, 50134 Florence, Italy; (A.M.); (F.R.A.); (N.T.); (C.F.)
| | - Flavia Rita Argento
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Florence, Viale Morgagni 50, 50134 Florence, Italy; (A.M.); (F.R.A.); (N.T.); (C.F.)
| | - Stefano Gitto
- Department of Experimental and Clinical Medicine, University of Florence, Largo Brambilla 3, 50134 Florence, Italy; (S.G.); (F.V.); (F.M.); (G.L.)
| | - Francesco Vizzutti
- Department of Experimental and Clinical Medicine, University of Florence, Largo Brambilla 3, 50134 Florence, Italy; (S.G.); (F.V.); (F.M.); (G.L.)
| | - Fabio Marra
- Department of Experimental and Clinical Medicine, University of Florence, Largo Brambilla 3, 50134 Florence, Italy; (S.G.); (F.V.); (F.M.); (G.L.)
| | - Niccolò Taddei
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Florence, Viale Morgagni 50, 50134 Florence, Italy; (A.M.); (F.R.A.); (N.T.); (C.F.)
| | - Claudia Fiorillo
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Florence, Viale Morgagni 50, 50134 Florence, Italy; (A.M.); (F.R.A.); (N.T.); (C.F.)
| | - Giacomo Laffi
- Department of Experimental and Clinical Medicine, University of Florence, Largo Brambilla 3, 50134 Florence, Italy; (S.G.); (F.V.); (F.M.); (G.L.)
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Chronic Kidney Disease and Its Impact on a Prothrombotic State in Patients with Atrial Fibrillation. J Clin Med 2020; 9:jcm9082476. [PMID: 32752262 PMCID: PMC7464665 DOI: 10.3390/jcm9082476] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 07/25/2020] [Accepted: 07/28/2020] [Indexed: 02/06/2023] Open
Abstract
It is unclear whether chronic kidney disease (CKD) increases thromboembolism in atrial fibrillation (AF). We conducted a retrospective cross-sectional analysis of 502 non-anticoagulated AF patients (median age, 66 (60–73) years, median CHA2DS2-VASc score, 3.0 (2.0–4.0)) with an estimated glomerular filtration rate (eGFR) ≥ 15 mL/min/1.73 m2. Endogenous thrombin potential (ETP), clot permeability (Ks), and clot lysis time (CLT), among others, were determined. Patients with stage 4 CKD (n = 87; 17.3%) had higher ETP and prolonged CLT compared with those with stage 3 CKD. In patients with stages 3 to 4 CKD (n = 180; 35.9%) N-terminal pro-B-type natriuretic peptide predicted low Ks (the lowest quartile, odds ratio [OR] per 100 pg/mL: 1.03, 95% confidence interval [CI]: 1.01–1.06) and prolonged CLT (the top quartile, OR per 100 pg/mL: 1.05, 95% CI: 1.02–1.08), but not high ETP. In the whole cohort, after adjustment for CHA2DS2-VASc score, stage 4 CKD, but not stage 3 CKD, predicted high ETP (OR: 9.06; 95% CI: 4.44−18.46) and prolonged CLT (OR: 3.58; 95% CI: 1.76–7.28), but not low Ks. compared to the reference eGFR category. This study is the first to demonstrate the prothrombotic and antifibrinolytic alterations in AF patients with stage 4 CKD, but not stage 3 CKD irrespective of clinical stroke risk factors.
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Increased inflammation and endothelial markers in patients with late severe post-thrombotic syndrome. PLoS One 2020; 15:e0227150. [PMID: 31945777 PMCID: PMC6964981 DOI: 10.1371/journal.pone.0227150] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Accepted: 12/12/2019] [Indexed: 01/27/2023] Open
Abstract
Introduction Post-thrombotic syndrome (PTS) is a limiting long-term complication present in 20–50% of patients with deep venous thrombosis (DVT) of the lower limbs. A panel of biomarkers with potential relevance to enhance knowledge on the pathophysiology of PTS was investigated. Methods This case-control study included 93 patients with DVT in the lower limbs, 31 with severe PTS (cases) and 62 with mild/no PTS (controls), over 24 months after an acute episode. Thirty-one healthy individuals (HI) with no history of DVT were included as a reference to the population. FVIII activity, D-dimer, inflammatory cytokines, endothelial dysfunction markers, matrix metalloproteinases, and their inhibitors, tissue remodeling and growth factor levels were evaluated. The classification of PTS was, by the Villalta scale. Results Patients with severe PTS showed elevated levels of CRP, sICAM-1, sE-selectin, and decreased MMP-9 and MCP-1 levels when compared to patients with mild/no PTS. Moreover, DVT patients presented higher levels of FVIII and D-dimer when compared to HI. Conclusions DVT patients present an inflammatory status, endothelial dysfunction and altered proteolysis MMPs activity, even a long time after the acute thrombotic episode, which is more significant in severe PTS. These results suggest a possible role of these mediators in the maintenance and worsening of PTS severity.
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Plasma Fibrin Clot Properties Are Unfavorably Altered in Women following Venous Thromboembolism Associated with Combined Hormonal Contraception. DISEASE MARKERS 2019; 2019:4923535. [PMID: 31827635 PMCID: PMC6885764 DOI: 10.1155/2019/4923535] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Accepted: 10/22/2019] [Indexed: 11/17/2022]
Abstract
The use of hormonal contraception is associated with an increased risk of venous thromboembolism (VTE). Unfavorably altered fibrin clot phenotype has been reported in patients following unprovoked VTE who are at risk of recurrences. It remains unknown whether fibrin clot characteristics in women with contraception-related VTE differ from those in unprovoked VTE. We studied three age-matched groups of women: (1) after contraception-related VTE, (n = 48) (2) after unprovoked VTE (n = 48), and (3) controls (n = 48). Plasma fibrin clot permeability (K s), turbidity of clot formation, efficiency of fibrinolysis using clot lysis time (CLT), and rate of increase in D-dimer during lytic clot degradation (D-Drate), along with thrombin generation and fibrinolysis proteins were determined. Compared with the controls, patients following contraception-related and unprovoked VTE formed faster (lag phase, -8.8% and -20.4%, respectively) fibrin clots of increased density (K s , -8.6% and -13.4%, respectively) displaying impaired fibrinolysis as evidenced by prolonged CLT (+11.5% and +14.5%, respectively) and lower D-Drate (-7.1% and -5.6%, respectively), accompanied with higher plasminogen activator inhibitor-1 (PAI-1, +14.9% and +17.8%, respectively) and elevated peak thrombin generation (+63.8% and +36.7%, respectively). The only differences between women with unprovoked and contraception-related VTE were lower fibrin mass in plasma clots (D-Dmax, -8.6%), along with higher peak thrombin generation (+19.8%) and shorter lag phase (-6.8%) in the latter group. This study suggests that women after contraception-related VTE, similar to those following unprovoked VTE, have denser fibrin clot formation and impaired clot lysis. These findings might imply higher risk of VTE recurrence in women with the prothrombotic clot phenotype.
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Polak MW, Siudut J, Plens K, Undas A. Prothrombotic clot properties can predict venous ulcers in patients following deep vein thrombosis: a cohort study. J Thromb Thrombolysis 2019; 48:603-609. [PMID: 31432450 PMCID: PMC6800839 DOI: 10.1007/s11239-019-01914-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/29/2022]
Abstract
Venous ulcers are the most severe manifestation of post-thrombotic syndrome (PTS). We have previously demonstrated that formation of compact fibrin clots resistant to lysis is observed in patients following deep-vein thrombosis (DVT) who developed PTS. The current study investigated whether unfavourable fibrin clot properties can predict post-thrombotic venous ulcers. In a cohort study on 186 consecutive patients following DVT, we determined plasma fibrin clot characteristics, including clot permeability and lysability, inflammatory markers, thrombin generation, fibrinolysis proteins at 3 months since the index event. Occurrence of PTS and venous ulcers was recorded during follow-up (median, 53; range 24 to 76 months). Fifty-seven DVT patients (30.6%) developed PTS, including 12 subjects (6.45%) with a venous ulcer (4 individuals with recurrent ulcers). Patients who developed ulcers compared with the remainder had at enrolment 13.0% lower clot permeability (Ks), 17.4% longer clot lysis time (CLT), 13.1% longer lag phase of clot formation, and 5.0% higher maximum absorbance, with no difference in fibrinogen, C-reactive protein, and thrombin generation. The baseline prothrombotic fibrin clot phenotype (Ks ≤ 6.5 × 10-9 cm2 and CLT > 100 min) was associated with a higher risk of ulcers [hazard ratio (HR), 5.37; 95% confidence interval (CI), 1.3-21.5]. A multivariate model adjusted for age, sex, and fibrinogen showed that independent predictors of the ulcer occurrence were body mass index (HR 1.53; 95% CI 1.30-1.86), CLT (HR 1.43; 95% CI 1.04-2.05), and α2-antiplasmin (HR 0.95; 95% CI 0.90-0.99). This study suggests that formation of denser fibrin clots with impaired fibrinolysis predisposes to post-thrombotic venous ulcers.
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Affiliation(s)
- Maciej Wiktor Polak
- Institute of Cardiology, Jagiellonian University Medical College, 80 Pradnicka St, 31-202, Krakow, Poland
| | - Jakub Siudut
- Institute of Cardiology, Jagiellonian University Medical College, 80 Pradnicka St, 31-202, Krakow, Poland
- Krakow Centre for Medical Research and Technologies, John Paul II Hospital, Krakow, Poland
| | | | - Anetta Undas
- Institute of Cardiology, Jagiellonian University Medical College, 80 Pradnicka St, 31-202, Krakow, Poland.
- Krakow Centre for Medical Research and Technologies, John Paul II Hospital, Krakow, Poland.
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Ząbczyk M, Stachowicz A, Natorska J, Olszanecki R, Wiśniewski JR, Undas A. Plasma fibrin clot proteomics in healthy subjects: Relation to clot permeability and lysis time. J Proteomics 2019; 208:103487. [PMID: 31425886 DOI: 10.1016/j.jprot.2019.103487] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 08/02/2019] [Accepted: 08/10/2019] [Indexed: 01/04/2023]
Abstract
BACKGROUND Little is known about fibrin clot composition in relation to its structure and lysability. We investigated plasma clots protein composition and its associations with clot properties. METHODS We studied 20 healthy subjects aged 31-49 years in whom plasma fibrin clot permeability (Ks) and clot lysis time (CLT) were determined. A proteomic analysis of plasma fibrin clots was based on quantitative liquid chromatography-mass spectrometry. RESULTS Among 494 clot-bound proteins identified in all clots, the highest concentrations were for fibrinogen chains (about 64% of the clot mass) and fibronectin (13%). α2-antiplasmin (2.7%), factor XIIIA (1.2%), complement component C3 (1.2%), and histidine-rich glycoprotein (HRG, 0.61%) were present at relatively high concentrations. Proteins present in concentrations <0.5% included (pro)thrombin, plasminogen, apolipoproteins, or platelet factor 4 (PF4). Fibrinogen-α and -γ chains were associated with age, while body-mass index with clot-bound apolipoproteins (all p < .05). Ks correlated with fibrinogen-γ and PF4 amounts within plasma clots. CLT was associated with fibrinogen-α and -γ, PF4, and HRG (all p < .05). CONCLUSIONS This study is the first to show associations of two key measures of clot properties with protein content within plasma clots, suggesting that looser fibrin clots with enhanced lysability contain less fibrinogen-γ chain, platelet-derived PF4, and HRG. SIGNIFICANCE Our study for the first time suggests that more permeable fibrin clots with enhanced lysability contain less fibrinogen-γ chain, platelet-derived factor 4, and histidine-rich glycoprotein, which is related to accelerated clot lysis. The current findings might have functional consequences regarding clot structure, stability, and propagation of thrombin generation, and detailed proteomic analysis of clots in various disorders opens new perspective for coagulation and fibrin research.
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Affiliation(s)
- Michał Ząbczyk
- Institute of Cardiology, Jagiellonian University Medical College, Krakow, Poland; Krakow Center for Medical Research and Technology, John Paul II Hospital, Krakow, Poland
| | - Aneta Stachowicz
- Chair of Pharmacology, Jagiellonian University Medical College, Krakow, Poland; Department of Proteomics and Signal Transduction, Max Planck Institute of Biochemistry, Martinsried, Germany
| | - Joanna Natorska
- Institute of Cardiology, Jagiellonian University Medical College, Krakow, Poland; Krakow Center for Medical Research and Technology, John Paul II Hospital, Krakow, Poland
| | - Rafał Olszanecki
- Chair of Pharmacology, Jagiellonian University Medical College, Krakow, Poland
| | - Jacek R Wiśniewski
- Department of Proteomics and Signal Transduction, Max Planck Institute of Biochemistry, Martinsried, Germany
| | - Anetta Undas
- Institute of Cardiology, Jagiellonian University Medical College, Krakow, Poland; Krakow Center for Medical Research and Technology, John Paul II Hospital, Krakow, Poland.
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Matusik PT, Małecka B, Lelakowski J, Undas A. Association of NT-proBNP and GDF-15 with markers of a prothrombotic state in patients with atrial fibrillation off anticoagulation. Clin Res Cardiol 2019; 109:426-434. [PMID: 31280356 PMCID: PMC7098929 DOI: 10.1007/s00392-019-01522-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Accepted: 06/26/2019] [Indexed: 12/23/2022]
Abstract
Abstract We investigated whether growth differentiation factor-15 (GDF-15), also known as macrophage inhibitory cytokine-1 (MIC-1), levels are associated with a prothrombotic state in atrial fibrillation (AF) as compared to N-terminal pro-B-type natriuretic peptide (NT-proBNP) and high-sensitivity cardiac troponin I (cTnI-hs). In 103 patients with AF assessed off anticoagulation (age: 71.0 [65.0–76.0] years; CHA2DS2-VASc score: 4.6 ± 1.7), we measured endogenous thrombin potential (ETP), plasma fibrin clot permeability (Ks, a measure of clot density) and clot lysis time (CLT) and other hemostatic parameters, along with GDF-15, NT-proBNP, and cTnI-hs. GDF-15 positively correlated with ETP and CLT (r = 0.25, P = 0.01 and R = 0.56, P < 0.0001, respectively) but not with Ks, von Willebrand factor, thrombin-activatable fibrinolysis inhibitor, plasminogen, antiplasmin or tissue-type plasminogen activator antigen. NT-proBNP showed a stronger association with ETP (r = 0.60, P < 0.0001) and a similar correlation with CLT (R = 0.53, P < 0.0001), while cTnI-hs correlated solely with CLT (R = 0.25, P = 0.01). After adjustment for clinical and laboratory parameters, GDF-15 was a better independent predictor of CLT (unstandardized coefficient B 0.009; 95% confidence interval [CI] 0.006–0.012) than NT-proBNP (B 0.007; 95% CI 0.004–0.010, R (2) = 0.51; P < 0.0001); while among the three biomarkers, only NT-proBNP was an independent predictor of ETP. Elevated GDF-15 and NT-proBNP independently predict impaired fibrin clot lysability, while NT-proBNP is a key predictor of heightened thrombin formation in AF. Our findings suggest that a predictive value of NT-proBNP and GDF-15 in AF could be in part attributed to their association with prothrombotic blood alterations. Graphic Abstract ![]()
Electronic supplementary material The online version of this article (10.1007/s00392-019-01522-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Paweł T Matusik
- Department of Electrocardiology, The John Paul II Hospital, Kraków, Poland.,Institute of Cardiology, Jagiellonian University Medical College, 80 Prądnicka Street, 31-202, Kraków, Poland
| | - Barbara Małecka
- Department of Electrocardiology, The John Paul II Hospital, Kraków, Poland.,Institute of Cardiology, Jagiellonian University Medical College, 80 Prądnicka Street, 31-202, Kraków, Poland
| | - Jacek Lelakowski
- Department of Electrocardiology, The John Paul II Hospital, Kraków, Poland.,Institute of Cardiology, Jagiellonian University Medical College, 80 Prądnicka Street, 31-202, Kraków, Poland
| | - Anetta Undas
- Institute of Cardiology, Jagiellonian University Medical College, 80 Prądnicka Street, 31-202, Kraków, Poland. .,Krakow Center for Medical Research and Technology, The John Paul II Hospital, Kraków, Poland.
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Undas A, Natorska J. Improving fibrinolysis in venous thromboembolism: impact of fibrin structure. Expert Rev Hematol 2019; 12:597-607. [PMID: 31159611 DOI: 10.1080/17474086.2019.1627193] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Introduction. Fibrinolysis is of key importance in maintaining vessel patency. Impaired fibrinolysis associated with more compact fibrin structure has been shown in patients with venous thromboembolism (VTE), including deep-vein thrombosis and pulmonary embolism (PE). Currently, recombinant or modified plasminogen activators are the only commonly available thrombolytic agents. However, they are fraught with side effects and suboptimal effectiveness. Areas covered. Based on the available literature, the current evidence linking fibrinolysis with VTE and potential therapeutic targets among fibrinolysis proteins are presented. Expert opinion. Prolonged clot lysis time has been reported as a new predictor of first-time and recurrent VTE, including PE. Anticoagulant therapy, including non-vitamin K antagonist oral anticoagulants, has a favorable impact on fibrinolysis in VTE patients. Several VTE risk factors are also related to lower efficiency of fibrinolysis and their treatment improve fibrinolysis, in part by alterations to fibrin properties. There is an increasing number of studies aiming at developing novel profibrinolytic therapeutic agents for treatment of VTE patients, mostly targeting the antifibrinolytic proteins, i.e. antiplasmin, plasminogen activator inhibitor-1 and thrombin-activatable fibrinolysis inhibitor.
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Affiliation(s)
- Anetta Undas
- a Institute of Cardiology, Jagiellonian University Medical College , Kraków , Poland
| | - Joanna Natorska
- a Institute of Cardiology, Jagiellonian University Medical College , Kraków , Poland
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Żuk J, Snarska-Drygalska A, Malinowski KP, Papuga-Szela E, Natorska J, Undas A. Unfavourably altered plasma clot properties in patients with primary Raynaud's phenomenon: association with venous thromboembolism. J Thromb Thrombolysis 2019; 47:248-254. [PMID: 30684190 PMCID: PMC6394442 DOI: 10.1007/s11239-019-01805-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Associations of Raynaud’s phenomenon (RP) with venous thromboembolism (VTE) are unclear. We investigated the occurrence of RP together with prothrombotic state markers and fibrin clot properties in VTE patients. In this prospective cohort study we enrolled 360 patients free of known autoimmune disease. D-dimer, von Willebrand factor (vWF), plasma clot permeability (Ks), clot lysis time (CLT) along with fibrinolysis activators and inhibitors were determined at least 3 months since the VTE event. The presence/absence of RP was diagnosed at least 6 months before VTE. Primary RP occurred in 57 subjects (17%) with a 3.6-fold higher prevalence among women. Patients with RP had 11% higher fibrinogen, 16% higher vWF, 5% lower Ks, and 10% longer CLT (all p < 0.05). Females with RP (21%) had 6.6% lower Ks, 11.2% longer CLT, and 18.5% higher vWF (all p < 0.05) compared with men. CLT was predicted by PAI-1 and vWF levels. Regression analysis showed that RP was a predictor of prolonged CLT in the whole patient group (OR 3.46, 95% CI 1.92–6.24) and in women following VTE (OR 2.75, 95% CI 1.31–5.78). Primary RP patients tend to form denser plasma fibrin clots displaying impaired lysability and increased endothelial damage. RP might be a novel risk factor for VTE, especially in women.
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Affiliation(s)
- Joanna Żuk
- Second Department of Internal Medicine, Jagiellonian University Medical College, Krakow, Poland
| | | | - Krzysztof Piotr Malinowski
- Faculty of Health Science, Institute of Public Health, Jagiellonian University Medical College, Krakow, Poland
| | | | - Joanna Natorska
- John Paul II Hospital, Krakow, Poland.,Institute of Cardiology, Jagiellonian University Medical College, 80 Pradnicka St., 31-202, Krakow, Poland
| | - Anetta Undas
- John Paul II Hospital, Krakow, Poland. .,Institute of Cardiology, Jagiellonian University Medical College, 80 Pradnicka St., 31-202, Krakow, Poland. .,Faculty of Medicine and Health Sciences, Jan Kochanowski University, Kielce, Poland.
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Ząbczyk M, Meus R, Malinowski KP, Natorska J, Undas A. A Prothrombotic State in Patients With a History of Left Ventricular Thrombus. Am J Cardiol 2019; 123:1358-1363. [PMID: 30717886 DOI: 10.1016/j.amjcard.2019.01.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Revised: 12/28/2018] [Accepted: 01/07/2019] [Indexed: 11/30/2022]
Abstract
Left ventricular thrombus (LVT) is associated with a hypercoagulable state and occurs most frequently after myocardial infarction (MI). Blood prothrombotic alterations might predispose to LVT formation, its recurrence, and subsequent cerebrovascular events. We investigated 58 patients with a history of LVT unrelated to recent MI or LV ejection fraction <25% and 58 well-matched control subjects. We determined plasma clot permeability, fibrinolytic efficiency, thrombin generation, and endothelial markers after 3 to 6 months of anticoagulant treatment. During follow-up we recorded LVT and thromboembolic events. Patients with LVT more often had LV akinesia, congestive heart failure, and prothrombotic state as evidenced by increased endogenous thrombin potential, lower antithrombin, lower clot permeability, and longer clot lysis time associated with lower antiplasmin, higher plasminogen activator inhibitor-1, thrombin activatable fibrinolysis inhibitor, and von Willebrand factor. During follow-up (57.5 ± 8.1 months for LVT patients and 59.6 ± 5.3 months for controls) strokes, transient ischemic attacks, or LVT occurred in 18 (31%) LVT patients and in 6 (10.3%) control subjects (4.1 vs 1.4% per year, p = 0.006). LVT recurred in 10 (2.3%/year) patients, who had higher risk of stroke/transient ischemic attacks (relative risk = 4.73, 95% confidence interval 1.8 to 40.4). The most compact clot formation at baseline, defined as the lowest quartile of clot permeability (≤5.4 × 10-9 cm2) was a predictor of recurrent LVT (relative risk = 4.67, 95% confidence interval 1.32 to 18.37). This study shows that a persistent prothrombotic state involving enhanced thrombin generation, hypofibrinolysis, and formation of more compact fibrin clots characterizes patients who develop LVT not related to MI and those prone to its recurrence.
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Affiliation(s)
- Michał Ząbczyk
- Institute of Cardiology, Jagiellonian University Medical College, Cracow, Poland
| | - Rafal Meus
- Institute of Cardiology, Jagiellonian University Medical College, Cracow, Poland
| | | | - Joanna Natorska
- Institute of Cardiology, Jagiellonian University Medical College, Cracow, Poland; John Paul II Hospital, Cracow, Poland
| | - Anetta Undas
- Institute of Cardiology, Jagiellonian University Medical College, Cracow, Poland; John Paul II Hospital, Cracow, Poland; Faculty of Medicine and Health Sciences, Jan Kochanowski University, Kielce, Poland.
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Abu-Fanne R, Stepanova V, Litvinov RI, Abdeen S, Bdeir K, Higazi M, Maraga E, Nagaswami C, Mukhitov AR, Weisel JW, Cines DB, Higazi AAR. Neutrophil α-defensins promote thrombosis in vivo by altering fibrin formation, structure, and stability. Blood 2019; 133:481-493. [PMID: 30442678 PMCID: PMC6356988 DOI: 10.1182/blood-2018-07-861237] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Accepted: 10/17/2018] [Indexed: 02/06/2023] Open
Abstract
Inflammation and thrombosis are integrated, mutually reinforcing processes, but the interregulatory mechanisms are incompletely defined. Here, we examined the contribution of α-defensins (α-defs), antimicrobial proteins released from activated human neutrophils, on clot formation in vitro and in vivo. Activation of the intrinsic pathway of coagulation stimulates release of α-defs from neutrophils. α-Defs accelerate fibrin polymerization, increase fiber density and branching, incorporate into nascent fibrin clots, and impede fibrinolysis in vitro. Transgenic mice (Def++) expressing human α-Def-1 developed larger, occlusive, neutrophil-rich clots after partial inferior vena cava (IVC) ligation than those that formed in wild-type (WT) mice. IVC thrombi extracted from Def++ mice were composed of a fibrin meshwork that was denser and contained a higher proportion of tightly packed compressed polyhedral erythrocytes than those that developed in WT mice. Def++ mice were resistant to thromboprophylaxis with heparin. Inhibiting activation of the intrinsic pathway of coagulation, bone marrow transplantation from WT mice or provision of colchicine to Def++ mice to inhibit neutrophil degranulation decreased plasma levels of α-defs, caused a phenotypic reversion characterized by smaller thrombi comparable to those formed in WT mice, and restored responsiveness to heparin. These data identify α-defs as a potentially important and tractable link between innate immunity and thrombosis.
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Affiliation(s)
- Rami Abu-Fanne
- Department of Clinical Biochemistry, Hadassah-Hebrew University, Jerusalem, Israel
| | | | - Rustem I Litvinov
- Department of Cell and Developmental Biology, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA; and
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia
| | - Suhair Abdeen
- Department of Clinical Biochemistry, Hadassah-Hebrew University, Jerusalem, Israel
| | - Khalil Bdeir
- Department of Pathology and Laboratory Medicine and
| | - Mohamed Higazi
- Department of Clinical Biochemistry, Hadassah-Hebrew University, Jerusalem, Israel
| | - Emad Maraga
- Department of Clinical Biochemistry, Hadassah-Hebrew University, Jerusalem, Israel
| | - Chandrasekaran Nagaswami
- Department of Cell and Developmental Biology, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA; and
| | - Alexander R Mukhitov
- Department of Cell and Developmental Biology, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA; and
| | - John W Weisel
- Department of Cell and Developmental Biology, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA; and
| | | | - Abd Al-Roof Higazi
- Department of Clinical Biochemistry, Hadassah-Hebrew University, Jerusalem, Israel
- Department of Pathology and Laboratory Medicine and
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Abstract
Defective clot contraction has been postulated to contribute to thrombosis. We aimed to evaluate the association of residual vein obstruction (RVO) with erythrocyte compression within the whole-blood clot. We studied 32 patients with venous thromboembolism (VTE) taking vitamin K antagonists (VKAs) for at least 3 months (median time in therapeutic range 60%), including 12 (37.5%) with RVO, and 32 age- and sex-matched controls. In all study participants we evaluated whole blood clot retraction, expressed as the erythrocyte compression index (ECI), defined as a ratio of mean polyhedrocyte area to mean native erythrocyte area, along with clot area covered by polyhedrocytes, plasma clot permeability (Ks), clot lysis time (CLT), and thrombin generation. In both groups higher ECI, indicating impaired clot contraction, increased with older age, higher body mass index, red blood cell distribution width, and lower platelet count (all p < 0.05), but not with red blood cell count. In VTE patients ECI was 15.8% higher than in controls (median 63.6 vs. 54.9%, p = 0.021). Subjects with RVO had 20% higher ECI and 155% lower clot area covered by polyhedrocytes. RVO patients had also prolonged CLT by 41%, but not Ks, and elevated peak thrombin generation by 33%, as compared to those without RVO (all p < 0.05). This study is the first to show impaired compression of erythrocytes in RVO patients despite VKA anticoagulation. Altered ECI coexisted with hypolysability and increased thrombin generation. ECI might be useful in the diagnostic process of RVO or post-thrombotic syndrome and can help optimize the anticoagulant therapy.
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Salta S, Papageorgiou L, Larsen AK, Van Dreden P, Soulier C, Cokkinos DV, Elalamy I, Gerotziafas GT. Comparison of antithrombin-dependent and direct inhibitors of factor Xa or thrombin on the kinetics and qualitative characteristics of blood clots. Res Pract Thromb Haemost 2018; 2:696-707. [PMID: 30349889 PMCID: PMC6178701 DOI: 10.1002/rth2.12120] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2017] [Accepted: 04/18/2018] [Indexed: 11/06/2022] Open
Abstract
BACKGROUND Venous thromboembolism (VTE) is associated with significant morbidity and mortality. OBJECTIVES We investigated the impact of direct and AT-dependent FXa or thrombin inhibitors on thrombus formation. METHODS Whole blood thromboelastometry and thrombin generation were assessed after triggering the TF pathway. Clinically relevant concentrations of rivaroxaban, fondaparinux, dabigatran or tinzaparin and an association of rivaroxaban and dabigatran were examined. RESULTS All agents delayed thrombus formation in a concentration-dependent manner, as documented by the prolongation of the clotting time (CT) and clot formation time (CFT). Rivaroxaban did not significantly alter the α-angle or maximum clot firmness (MCF). In contrast, dabigatran and fondaparinux altered the process of clot structure by decreasing the α-angle, but did not modify clot firmness. The later property was significantly affected only by tinzaparin that also reduced the MCF. The association of rivaroxaban and dabigatran did not affect the MCF, although it amplified the effect on CFT and α-angle. CONCLUSIONS All agents delayed thrombus formation. However, the compounds differed substantially with respect to fibrin polymerization rate and clot firmness. Comparison of the data obtained by thrombin generation assessment with those obtained by the thromboelastometric study shows that the delay in clot formation is principally associated with prolongation of the initiation phase of thrombin formation as well as a reduction of the propagation phase. Tinzaparin was much more potent than the other agents both with regard to suppression of thrombin generation and by delay in clot formation.
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Affiliation(s)
- Stella Salta
- Cancer Biology and TherapeuticsCentre de Recherche Saint‐AntoineInstitut National de la Santé et de la Recherche Médicale (INSERM) U938 and Institut Universitaire de CancérologieFaculté de Médecine, Sorbonne UniversitéParisFrance
- Service d'Hématologie Biologique Hôpital TenonHôpitaux Universitaires Est ParisienAssistance Publique Hôpitaux de Paris (AP‐HP)ParisFrance
| | - Loula Papageorgiou
- Cancer Biology and TherapeuticsCentre de Recherche Saint‐AntoineInstitut National de la Santé et de la Recherche Médicale (INSERM) U938 and Institut Universitaire de CancérologieFaculté de Médecine, Sorbonne UniversitéParisFrance
- Service d'Hématologie Biologique Hôpital TenonHôpitaux Universitaires Est ParisienAssistance Publique Hôpitaux de Paris (AP‐HP)ParisFrance
| | - Annette K. Larsen
- Cancer Biology and TherapeuticsCentre de Recherche Saint‐AntoineInstitut National de la Santé et de la Recherche Médicale (INSERM) U938 and Institut Universitaire de CancérologieFaculté de Médecine, Sorbonne UniversitéParisFrance
| | | | - Claire Soulier
- Service d'Hématologie Biologique Hôpital TenonHôpitaux Universitaires Est ParisienAssistance Publique Hôpitaux de Paris (AP‐HP)ParisFrance
| | - Dennis V. Cokkinos
- Heart and Vessel DepartmentBiomedical Research Foundation Academy of AthensAthensGreece
| | - Ismail Elalamy
- Cancer Biology and TherapeuticsCentre de Recherche Saint‐AntoineInstitut National de la Santé et de la Recherche Médicale (INSERM) U938 and Institut Universitaire de CancérologieFaculté de Médecine, Sorbonne UniversitéParisFrance
- Service d'Hématologie Biologique Hôpital TenonHôpitaux Universitaires Est ParisienAssistance Publique Hôpitaux de Paris (AP‐HP)ParisFrance
| | - Grigoris T. Gerotziafas
- Cancer Biology and TherapeuticsCentre de Recherche Saint‐AntoineInstitut National de la Santé et de la Recherche Médicale (INSERM) U938 and Institut Universitaire de CancérologieFaculté de Médecine, Sorbonne UniversitéParisFrance
- Service d'Hématologie Biologique Hôpital TenonHôpitaux Universitaires Est ParisienAssistance Publique Hôpitaux de Paris (AP‐HP)ParisFrance
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Wolberg AS. Fibrinogen and factor XIII: newly recognized roles in venous thrombus formation and composition. Curr Opin Hematol 2018; 25:358-364. [PMID: 29994896 PMCID: PMC6215450 DOI: 10.1097/moh.0000000000000445] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
PURPOSE OF REVIEW In spite of significant morbidity and mortality associated with venous thromboembolism, the underlying pathogenesis remains poorly understood. RECENT FINDINGS Clues to operant pathogenic mechanisms are found in the unique morphology and composition of these thrombi, which have substantial red blood cell and fibrin content. Recent studies have revealed biochemical and biophysical mechanisms that dictate fibrin structure in venous thrombi and promote retention of red blood cells within the contracted clots. These mechanisms include newly recognized contributions of fibrin network structure and factor XIII(a)-mediated fibrin crosslinking to venous thrombus composition, size, and stability. SUMMARY Continued work to elucidate mechanisms by which fibrin(ogen), factor XIII, and red blood cells contribute to venous thrombus formation, structure, and stability may expose novel molecular targets and strategies for reducing thrombosis and thrombotic complications in certain at-risk patients.
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Affiliation(s)
- Alisa S Wolberg
- Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, NC, USA
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Celińska-Löwenhoff M, Zabczyk M, Iwaniec T, Plens K, Musiał J, Undas A. Reduced plasma fibrin clot permeability is associated with recurrent thromboembolic events in patients with antiphospholipid syndrome. Rheumatology (Oxford) 2018; 57:1340-1349. [DOI: 10.1093/rheumatology/key089] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023] Open
Affiliation(s)
| | - Michal Zabczyk
- Institute of Cardiology, Jagiellonian University Medical College, Krakow, Poland
| | - Teresa Iwaniec
- Department of Medicine, Jagiellonian University Medical College, Krakow, Poland
| | - Krzysztof Plens
- Data Analysis Center, Krakow Cardiovascular Research Institute, Krakow, Poland
| | - Jacek Musiał
- Department of Medicine, Jagiellonian University Medical College, Krakow, Poland
| | - Anetta Undas
- Department of Medicine, Jagiellonian University Medical College, Krakow, Poland
- Institute of Cardiology, Jagiellonian University Medical College, Krakow, Poland
- John Paul II Hospital, Center for Research and Medical Technologies, Krakow, Poland
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39
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Elevated leptin and decreased adiponectin independently predict the post-thrombotic syndrome in obese and non-obese patients. Sci Rep 2018; 8:6938. [PMID: 29720688 PMCID: PMC5932041 DOI: 10.1038/s41598-018-25135-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Accepted: 04/10/2018] [Indexed: 01/25/2023] Open
Abstract
Post-thrombotic syndrome (PTS) is a common complication of deep vein thrombosis (DVT). Little is known about the involvement of adipokines in the pathogenesis of DVT. We evaluated whether adipokines can predict PTS. In a prospective cohort study, 320 DVT patients aged 70 years or less were enrolled. Serum adiponectin, leptin and resistin levels were measured three months since the index first-ever DVT. After 2 years’ follow-up PTS was diagnosed in 83 of 309 available patients (26.9%) who had 13.9% lower adiponectin and 16% higher leptin levels compared with the remainder (both p < 0.0001). No PTS-associated differences in C-reactive protein, fibrinogen, D-dimer, plasminogen activator inhibitor-1 and resistin were observed. The multivariable logistic regression adjusted for age, sex, obesity and tissue plasminogen activator (tPa) showed that lower adiponectin (odds ratio [OR], 0.42; 95% confidence interval [CI], 0.31–0.56) and higher leptin levels (OR, 1.49; 95% CI, 1.31–1.69) are independent predictors for PTS. Obesity-stratified logistic regression analysis confirmed that lower adiponectin (OR, 0.49; 95% CI, 0.38–0.64) and higher leptin (OR, 1.41; 95% Cl, 1.25–1.58) levels predicted PTS. Our findings showed that lower adiponectin and higher leptin measured 3 months after DVT, regardless of obesity, can independently predict PTS, which suggests novel links between adipokines and thrombosis.
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40
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Mechanical and Biochemical Role of Fibrin Within a Venous Thrombus. Eur J Vasc Endovasc Surg 2018; 55:417-424. [DOI: 10.1016/j.ejvs.2017.12.002] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2017] [Accepted: 12/03/2017] [Indexed: 12/13/2022]
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41
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Rosenfeld MA, Vasilyeva AD, Yurina LV, Bychkova AV. Oxidation of proteins: is it a programmed process? Free Radic Res 2017; 52:14-38. [DOI: 10.1080/10715762.2017.1402305] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Mark A. Rosenfeld
- N. M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, Moscow, Russia
| | - Alexandra D. Vasilyeva
- N. M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, Moscow, Russia
| | - Lyubov V. Yurina
- N. M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, Moscow, Russia
| | - Anna V. Bychkova
- N. M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, Moscow, Russia
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42
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Altered plasma clot properties increase the risk of recurrent deep vein thrombosis: a cohort study. Blood 2017; 131:797-807. [PMID: 29242187 DOI: 10.1182/blood-2017-07-798306] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2017] [Accepted: 11/27/2017] [Indexed: 12/31/2022] Open
Abstract
It has been demonstrated that fibrin clots generated from plasma samples obtained from patients with prior thromboembolic events are denser and less susceptible to lysis. Such a prothrombotic fibrin clot phenotype has been suggested as a new risk factor for venous thromboembolism, but its prognostic value is unclear. To assess whether abnormal clot properties can predict recurrent deep vein thrombosis (DVT), we studied 320 consecutive patients aged 18 to 70 years following the first-ever DVT. Plasma clot properties were evaluated after 3 months of anticoagulant treatment since the index event. A mean duration of anticoagulation was 10 months (range, 4-20). Recurrent DVT was observed in 77 patients (25%; 6.6%/year) during a median follow-up of 44 months. Recurrences of DVT were associated with faster formation (-9% lag phase) of denser fibrin networks (-12% fibrin clot permeability [Ks]) and 4% higher maximum absorbance of plasma clots that displayed impaired fibrinolytic degradation (+25% prolonged clot lysis time [CLT]) and a 5% slower rate of increase in D-dimer levels during clot degradation (D-Drate; all P < .05). Proximal DVT alone, higher C-reactive protein, D-dimer, peak thrombin, lower Ks, shorter lag phase, decreased D-Drate, and prolonged CLT were independent predictors of recurrences (all P < .05). Individuals characterized by low Ks (≤7.3 × 10-9 cm2) and prolonged CLT (>96 min) were at the highest risk of recurrent DVT (odds ratio, 15.8; 95% confidence interval, 7.5-33.5). Kaplan-Meier curves showed that reduced Ks and prolonged CLT predicted recurrent DVT. We demonstrate that unfavorably altered clot properties may predict recurrent DVT after anticoagulation withdrawal.
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Gue YX, Gorog DA. Importance of Endogenous Fibrinolysis in Platelet Thrombus Formation. Int J Mol Sci 2017; 18:ijms18091850. [PMID: 28841147 PMCID: PMC5618499 DOI: 10.3390/ijms18091850] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Revised: 08/21/2017] [Accepted: 08/21/2017] [Indexed: 12/13/2022] Open
Abstract
The processes of thrombosis and coagulation are finely regulated by endogenous fibrinolysis maintaining healthy equilibrium. When the balance is altered in favour of platelet activation and/or coagulation, or if endogenous fibrinolysis becomes less efficient, pathological thrombosis can occur. Arterial thrombosis remains a major cause of morbidity and mortality in the world despite advances in medical therapies. The role endogenous fibrinolysis in the pathogenesis of arterial thrombosis has gained increasing attention in recent years as it presents novel ways to prevent and treat existing diseases. In this review article, we discuss the role of endogenous fibrinolysis in platelet thrombus formation, methods of measurement of fibrinolytic activity, its role in predicting cardiovascular diseases and clinical outcomes and future directions.
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Affiliation(s)
- Ying X Gue
- Department of Cardiology, East and North Hertfordshire NHS Trust, Hertfordshire SG1 4AB, UK.
| | - Diana A Gorog
- Department of Cardiology, East and North Hertfordshire NHS Trust, Hertfordshire SG1 4AB, UK.
- Department of Postgraduate Medicine, University of Hertfordshire, Hertfordshire AL10 9AB, UK.
- National Heart & Lung Institute, Imperial College, London SW3 6LY, UK.
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44
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Undas A. Prothrombotic Fibrin Clot Phenotype in Patients with Deep Vein Thrombosis and Pulmonary Embolism: A New Risk Factor for Recurrence. BIOMED RESEARCH INTERNATIONAL 2017; 2017:8196256. [PMID: 28740853 PMCID: PMC5504927 DOI: 10.1155/2017/8196256] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Revised: 03/27/2017] [Accepted: 05/04/2017] [Indexed: 11/23/2022]
Abstract
Prothrombotic fibrin clot phenotype, involving faster formation of dense meshwork composed of thinner and highly branched fibers that are relatively resistant to plasmin-induced lysis, has been reported in patients with not only myocardial infarction or stroke, but also venous thromboembolism (VTE), encompassing deep vein thrombosis (DVT), and/or pulmonary embolism (PE). Prothrombotic fibrin clot phenotype, in particular prolonged clot lysis time, is considered a novel risk factor for VTE as well as venous thrombosis at unusual location, for example, cerebral sinus venous thrombosis, retinal vein obstruction, and Budd-Chiari syndrome. Growing evidence from observational studies indicates that abnormal fibrin clot properties can predict recurrent DVT and PE and they are involved in serious complications of VTE, for example, thromboembolic pulmonary hypertension and postthrombotic syndrome. The purpose of this article is to review our current understanding of the role of fibrin clot structure and function in venous thrombosis with emphasis on clinical issues ranging from prognosis to therapy.
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Affiliation(s)
- Anetta Undas
- Institute of Cardiology, Jagiellonian University School of Medicine and The John Paul II Hospital, Krakow, Poland
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45
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Matusik PT, Matusik PS, Kornacewicz-Jach Z, Małecka B, Ząbek A, Undas A. Elevated NT-proBNP is associated with unfavorably altered plasma fibrin clot properties in atrial fibrillation. Int J Cardiol 2017; 243:244-250. [PMID: 28571619 DOI: 10.1016/j.ijcard.2017.05.060] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2017] [Revised: 05/09/2017] [Accepted: 05/15/2017] [Indexed: 12/22/2022]
Abstract
BACKGROUND Dense fibrin clot formation and hypofibrinolysis have been reported in atrial fibrillation (AF). It is unclear which factors affect fibrin clot properties in AF. METHODS AND RESULTS We investigated plasma fibrin clot permeability (Ks), clot lysis time (CLT), endogenous thrombin potential (ETP) as well as other coagulation and fibrinolysis parameters along with N-terminal pro-B-type natriuretic peptide (NT-proBNP) in 160 AF patients (median age, 70.5years). Previous stroke (n=15; 9.4%) was associated with decreased Ks (P=0.04) and longer CLT (P=0.005), together with higher antiplasmin (P=0.03) and lower tissue-type plasminogen activator (P=0.01). Lower Ks (P=0.04) and tendency towards longer CLT (P=0.10) were observed in patients with a left atrium diameter>40mm. Patients with a CHA2DS2-VASc score of 3 or more (82.5%) were characterized by higher thrombin-activatable fibrinolysis inhibitor antigen (P=0.009). Ks was inversely correlated with log NT-proBNP (r=-0.34, P<0.0001), plasminogen activator inhibitor-1 (PAI-1) antigen (r=-0.24, P=0.002) and C-reactive protein (r=-0.18, P=0.02), while CLT was positively correlated with log NT-proBNP (R=0.61, P<0.0001) and ETP (r=0.37, P<0.0001), which were interrelated (r=0.59, P<0.0001). After adjustment for potential confounders, PAI-1 (odds ratio [OR]: 1.14; 95% confidence interval [CI]: 1.02-1.26) was the only independent predictor of low Ks (the lowest quartile,≤6×10-9cm2), while NT-proBNP (OR: 1.21; 95% CI: 1.12-1.31) and PAI-1 (OR: 1.30; 95% CI: 1.12-1.51) both predicted prolonged CLT (the top quartile,≥109min). CONCLUSION In AF patients prothrombotic fibrin clot properties assessed ex vivo are determined by PAI-1 and NT-proBNP and this phenotype is associated with prior ischemic stroke.
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Affiliation(s)
- Paweł T Matusik
- Department of Electrocardiology, The John Paul II Hospital, 80 Pradnicka St., 31-202 Kraków, Poland; Translational Medicine Laboratory, Department of Internal and Agricultural Medicine, Jagiellonian University Medical College, 1 Skarbowa St., 31-121 Kraków, Poland.
| | | | - Zdzisława Kornacewicz-Jach
- Department of Cardiology, Pomeranian Medical University, 72 Powstańców Wlkp. St., 70-111 Szczecin, Poland
| | - Barbara Małecka
- Department of Electrocardiology, The John Paul II Hospital, 80 Pradnicka St., 31-202 Kraków, Poland; Institute of Cardiology, Jagiellonian University Medical College, 80 Pradnicka St., 31-202 Kraków, Poland
| | - Andrzej Ząbek
- Department of Electrocardiology, The John Paul II Hospital, 80 Pradnicka St., 31-202 Kraków, Poland
| | - Anetta Undas
- Institute of Cardiology, Jagiellonian University Medical College, 80 Pradnicka St., 31-202 Kraków, Poland
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46
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The use of direct oral anticoagulants in 56 patients with antiphospholipid syndrome. Thromb Res 2017; 152:93-97. [DOI: 10.1016/j.thromres.2016.12.009] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2016] [Revised: 11/30/2016] [Accepted: 12/12/2016] [Indexed: 11/20/2022]
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47
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Rabinovich A, Kahn SR. The postthrombotic syndrome: current evidence and future challenges. J Thromb Haemost 2017; 15:230-241. [PMID: 27860129 DOI: 10.1111/jth.13569] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2016] [Indexed: 01/18/2023]
Abstract
Postthrombotic syndrome (PTS) is a chronic complication of deep vein thrombosis (DVT) that develops in 20-50% of patients. PTS manifests as a spectrum of symptoms and signs of chronic venous insufficiency that can impose significant morbidity and have a negative impact on quality of life. Chronic venous hypertension caused by a combination of residual venous obstruction and valvular reflux is believed to play a major role in the pathophysiology of PTS. The Villalta scale is the most widely applied clinical scale used to diagnose and define PTS. Proximal DVT and recurrent ipsilateral DVT are the two principal established risk factors for PTS, and efforts in recent years have been focused on identifying a combination of clinical and biomarker predictors that will define high-risk patients and possibly new therapeutic targets. The best way to prevent PTS is to prevent the occurrence of DVT, and to provide optimal anticoagulation for the acute phase of DVT once it occurs. Recent years have brought progress in our understanding of the role of endovascular techniques in the prevention and treatment of PTS and the subgroups of patients that may benefit from these modalities. Pharmacomechanical catheter-directed thrombolysis is the most promising interventional modality for prevention of PTS. This review summarizes the current state of evidence on PTS of the lower limbs, and highlights areas where uncertainty still exists that require further research.
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Affiliation(s)
- A Rabinovich
- Thrombosis and Hemostasis Unit, Hematology Institute, Soroka University Medical Center, Faculty of Health Sciences, Ben Gurion University of the Negev, Beer Sheva, Israel
| | - S R Kahn
- Center for Clinical Epidemiology, Jewish General Hospital, McGill University, Montreal, Canada
- Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Canada
- Division of Internal Medicine and Department of Medicine, McGill University, Montreal, Canada
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Zabczyk M, Plens K, Wojtowicz W, Undas A. Prothrombotic Fibrin Clot Phenotype Is Associated With Recurrent Pulmonary Embolism After Discontinuation of Anticoagulant Therapy. Arterioscler Thromb Vasc Biol 2016; 37:365-373. [PMID: 28062504 DOI: 10.1161/atvbaha.116.308253] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2016] [Accepted: 12/18/2016] [Indexed: 11/16/2022]
Abstract
OBJECTIVE Pulmonary embolism (PE) is a life-threatening manifestation of venous thromboembolism with a high recurrence rate after anticoagulation cessation. Recently, we have reported that prothrombotic clot phenotype in venous thromboembolism patients is associated with an increased risk of recurrent deep-vein thrombosis. APPROACH AND RESULTS We tested whether abnormal clot properties are predictive of recurrent PE. We investigated 156 consecutive white patients aged 18 to 65 years after the first-ever provoked or unprovoked PE (n=89), with or without deep-vein thrombosis. Plasma fibrin clot permeability (Ks), turbidity measurements, calibrated automated thrombography, and efficiency of fibrinolysis using clot lysis time, maximum D-dimer levels, and rate of increase in D-dimer levels were evaluated at ≥3 months of anticoagulant therapy, at least 4 weeks since the anticoagulation withdrawal. The primary end point was recurrent PE during a median follow-up of 50 months. Recurrent PE was diagnosed in 23 (14.7%; 5%/yr) patients. Recurrent PE was associated with formation of denser fibrin networks reflected by lower Ks (P=0.007) and impaired fibrinolysis, as evidenced by prolonged clot lysis time (P=0.012) and reduced maximum rate of increase in D-dimer levels in the lysis assay (P=0.004). Patients with recurrent PE had higher plasma D-dimer (P<0.001) and thrombin peak (P=0.007) compared with the remainder, whereas turbidity measurements and maximum D-dimer levels did not differ in the recurrence. Multivariate model showed that independent predictors of recurrent PE were female sex, unprovoked venous thromboembolism, higher plasma D-dimer, reduced Ks, and reduced maximum rate of increase in D-dimer levels in the lysis assay (all P<0.05). CONCLUSIONS Altered fibrin clot properties including formation of more compact clots displaying impaired susceptibility to lysis may predispose to recurrent PE.
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Affiliation(s)
- Michal Zabczyk
- From the Krakow Centre for Medical Research and Technologies, John Paul II Hospital, Poland (M.Z., A.U.); Data Analysis Center, Krakow Cardiovascular Research Institute, Poland (K.P.); Department of Mechanical Engineering, Cracow University of Technology, Krakow, Poland (W.W.); and Institute of Cardiology, Jagiellonian University Medical College, Krakow, Poland (A.U.)
| | - Krzysztof Plens
- From the Krakow Centre for Medical Research and Technologies, John Paul II Hospital, Poland (M.Z., A.U.); Data Analysis Center, Krakow Cardiovascular Research Institute, Poland (K.P.); Department of Mechanical Engineering, Cracow University of Technology, Krakow, Poland (W.W.); and Institute of Cardiology, Jagiellonian University Medical College, Krakow, Poland (A.U.)
| | - Wioletta Wojtowicz
- From the Krakow Centre for Medical Research and Technologies, John Paul II Hospital, Poland (M.Z., A.U.); Data Analysis Center, Krakow Cardiovascular Research Institute, Poland (K.P.); Department of Mechanical Engineering, Cracow University of Technology, Krakow, Poland (W.W.); and Institute of Cardiology, Jagiellonian University Medical College, Krakow, Poland (A.U.)
| | - Anetta Undas
- From the Krakow Centre for Medical Research and Technologies, John Paul II Hospital, Poland (M.Z., A.U.); Data Analysis Center, Krakow Cardiovascular Research Institute, Poland (K.P.); Department of Mechanical Engineering, Cracow University of Technology, Krakow, Poland (W.W.); and Institute of Cardiology, Jagiellonian University Medical College, Krakow, Poland (A.U.).
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