{"title":"Serum Leucine Aminopeptidase Activity Patterns Across Various Disease States: Potential Implications for Bleeding and Thrombosis Risk.","authors":"Sha Yu, Meng Zhang, Yachong Guo, Lijuan Zhang","doi":"10.1055/a-2365-8601","DOIUrl":"10.1055/a-2365-8601","url":null,"abstract":"<p><strong>Background: </strong> Disruptions in the pathways for activating and deactivating proteases in the bloodstream can lead to thrombosis and bleeding issues. Leucine aminopeptidases (LAPs), which are exopeptidases essential for regulating protein and peptide activities, are recognized as clinical biomarkers for liver diseases. However, the relationship between serum LAP activity and the risks of bleeding or thrombosis, as well as the identification of the specific tissues or organs that control LAP levels, is not well understood.</p><p><strong>Methods: </strong> We performed a retrospective study to evaluate serum LAP activities in 149,360 patients with 47 different diseases and 9,449 healthy individuals. The analysis was conducted using SPSS V2.6, RStudio V.1.3.1073, and libraries in Python 3.8.</p><p><strong>Results: </strong> Our research revealed that 21 of the 47 diseases studied showed increased median serum LAP activities, while 26 diseases were associated with significantly lower activities, especially those related to thrombosis. Furthermore, most diseases were found to have an increased risk of bleeding and thrombosis, indicated by higher Q25 and lower Q75 LAP activities compared to the control group. Receiver operating characteristic curve analysis confirmed the effectiveness of LAP activities as biomarkers for specific conditions like hepatic encephalopathy, liver cancer, pancreatitis, and pancreatic cancer. Diseases were categorized into clusters with similar bleeding or thrombotic tendencies through principal component analysis.</p><p><strong>Conclusion: </strong> This study highlighted regulatory influence of the liver and pancreas on LAP levels. The established link between serum LAP concentrations and the risk of bleeding or thrombosis paved the way for the development of diagnostic and preventative approaches for various medical conditions.</p>","PeriodicalId":23036,"journal":{"name":"Thrombosis and haemostasis","volume":" ","pages":"120-129"},"PeriodicalIF":5.0,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141620974","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Monocyte Subsets in Cardiovascular Disease: A Biomarker Perspective.","authors":"Michael Hristov, Christian Weber","doi":"10.1055/a-2348-5697","DOIUrl":"10.1055/a-2348-5697","url":null,"abstract":"<p><p>Endothelial dysfunctions together with a dysregulated immune response and lipid accumulation are important confounding factors in the onset and chronic development of atherosclerosis. Recently, a large body of data has emerged on the sequential involvement of different immune cell types, including monocytes, in the pathology of this disease. In this condensed review, we aim to highlight some of the recent basic research and clinical findings on monocyte subsets published since our joint European Society of Cardiology consensus document, and re-evaluate their potential relevance as surrogate biomarkers in coronary artery disease.</p>","PeriodicalId":23036,"journal":{"name":"Thrombosis and haemostasis","volume":" ","pages":"93-96"},"PeriodicalIF":5.0,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141427694","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Factor VIIa-Antithrombin Complexes are Increased in Asthma: Relation to the Exacerbation-Prone Asthma Phenotype.","authors":"Stanislawa Bazan-Socha, Lucyna Mastalerz, Agnieszka Cybulska, Lech Zareba, Bogdan Jakiela, Michal Zabczyk, Teresa Iwaniec, Anetta Undas","doi":"10.1055/a-2515-1402","DOIUrl":"10.1055/a-2515-1402","url":null,"abstract":"<p><strong>Background: </strong> Asthma is associated with a prothrombotic state. Plasma factor VIIa-antithrombin complex (FVIIa-AT) concentrations indirectly reflect the interaction of tissue factor (TF) with FVII. Since TF is a key initiator of coagulation in vivo, we hypothesized that FVIIa-AT concentrations are higher in asthma.</p><p><strong>Methods: </strong> In 159 clinically stable adult asthma patients and 62 controls, we determined FVIIa-AT in plasma and analyzed their relation to circulating inflammatory and prothrombotic markers together with the total plasma potential for fibrinolysis (clot lysis time, CLT) and thrombin generation. We recorded clinical outcomes, including asthma exacerbations, during 3-year follow-up.</p><p><strong>Results: </strong> Asthma patients were characterized by 38.5% higher FVIIa-AT (<i>p</i> < 0.001), related to bronchial obstruction (FEV<sub>1</sub>: <i>r</i> = -0.397, <i>p</i> < 0.001), asthma severity (<i>r</i> = 0.221, <i>p</i> = 0.005), and duration (<i>r</i> = 0.194, <i>p</i> = 0.015) compared to controls. FVIIa-AT showed weak positive associations with C-reactive protein (<i>r</i> = 0.208, <i>p</i> = 0.009), fibrinogen (<i>r</i> = 0.215, <i>p</i> = 0.007), and CLT (<i>r</i> = 0.303, <i>p</i> < 0.001) but not with thrombin generation parameters. In the follow-up (data obtained from 151 patients), we documented 151 severe asthma exacerbations in 51 (33.8%) patients, including 33 (21.9%) with ≥2 such events. Exacerbation-prone asthma phenotype was related to 13.1% higher FVIIa-AT (<i>p</i> = 0.012), along with asthma severity and control (<i>p</i> < 0.003, both). High FVIIa-AT (that is ≥100.1 pmol/L), defined on receiver operating characteristic curves, was linked to exacerbation-prone asthma phenotype (odds ratio 1.85; 95%CI: 1.23-2.80, <i>p</i> = 0.003) and shorter time to first exacerbation (<i>p</i> = 0.023).</p><p><strong>Conclusion: </strong> This study is the first to show that FVIIa-AT concentrations are higher in asthma in relation to its severity and may help identify individuals at risk of the exacerbation-prone asthma phenotype.</p>","PeriodicalId":23036,"journal":{"name":"Thrombosis and haemostasis","volume":" ","pages":""},"PeriodicalIF":5.0,"publicationDate":"2025-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142979887","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yaohua Cai, Hui Lu, Wenyi Lin, Yunqing Xia, Tingting Wu, Zhipeng Cheng, Liang V Tang, Yu Hu
{"title":"Clinical and Genetic Characterization of 51 Patients with Congenital Fibrinogen Disorders from China.","authors":"Yaohua Cai, Hui Lu, Wenyi Lin, Yunqing Xia, Tingting Wu, Zhipeng Cheng, Liang V Tang, Yu Hu","doi":"10.1055/a-2514-7520","DOIUrl":"10.1055/a-2514-7520","url":null,"abstract":"<p><strong>Objective: </strong> To investigate the classification, clinical manifestations, laboratory findings, and genetic mutations associated with hereditary fibrinogen disorders in Chinese population.</p><p><strong>Methods: </strong> Between February 2015 and February 2022, 65 patients with congenital fibrinogen disorders (CFD) were identified at Wuhan Union Hospital. Comprehensive data were available for 51 patients, allowing for a retrospective analysis.</p><p><strong>Results: </strong> The cohort comprised 17 males (33.3%) and 34 females (66.7%), with a median diagnosis age of 35.0 years (interquartile range: 25.5-42.5). Of the patients, 35 (68.6%) were diagnosed with dysfibrinogenemia, 8 (15.7%) with hypofibrinogenemia, 7 (13.7%) with hypodysfibrinogenemia, and 1 (2.0%) with afibrinogenemia. The median diagnosis ages for the asymptomatic, Grade 1, Grade 2, and Grade 3 groups were 44.5 years (range: 37-58.5), 28 years (22.5-36.5), 35.5 years (21.75-41), and 28 years (22.75-30.75), respectively. The asymptomatic group had the latest diagnosis age, whereas Grade 3 had the earliest. A negative correlation was observed between Fg:C levels and bleeding severity (rs = - 0.2937, <i>p</i> = 0.0365). In total, 52 variants were found in 51 unrelated patients, with one patient carrying two mutations. The 37 distinct mutations included 11 in FGA, 3 in FGB, and 23 in FGG.</p><p><strong>Conclusion: </strong> This study investigates the clinical, laboratory, and genetic characteristics of patients with CFD in China, revealing a negative correlation between Fg:C levels and bleeding severity. Female patients are at higher risk for gynecological complications due to physiological traits. Additionally, R35 in FGA and R301 in FGG were identified as hotspot mutations.</p>","PeriodicalId":23036,"journal":{"name":"Thrombosis and haemostasis","volume":" ","pages":""},"PeriodicalIF":5.0,"publicationDate":"2025-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142979620","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jakob Matschke, Tobias Huter, Thomas Renné, Marc Lütgehetmann, Markus Glatzel, Benjamin Ondruschka
{"title":"Fatal Cerebral Venous Sinus Thrombosis and Thrombocytopenia due to Anti-PF4 Disorder Following Adenovirus Infection in a 3-year-old Boy.","authors":"Jakob Matschke, Tobias Huter, Thomas Renné, Marc Lütgehetmann, Markus Glatzel, Benjamin Ondruschka","doi":"10.1055/a-2510-6235","DOIUrl":"https://doi.org/10.1055/a-2510-6235","url":null,"abstract":"","PeriodicalId":23036,"journal":{"name":"Thrombosis and haemostasis","volume":" ","pages":""},"PeriodicalIF":5.0,"publicationDate":"2025-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143075566","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Katharina Griem, Tanja Falter, Anne Hollerbach, Kerstin Jurk, Brahim Aboulmaouahib, Julia Weinmann-Menke, Nadine Müller-Calleja, Karl J Lackner
{"title":"Association of Specific Antiphospholipid Antibodies to Platelet Count and Thrombocytopenia.","authors":"Katharina Griem, Tanja Falter, Anne Hollerbach, Kerstin Jurk, Brahim Aboulmaouahib, Julia Weinmann-Menke, Nadine Müller-Calleja, Karl J Lackner","doi":"10.1055/a-2510-6147","DOIUrl":"10.1055/a-2510-6147","url":null,"abstract":"<p><strong>Background: </strong> Thrombocytopenia is one of the most common manifestations of the antiphospholipid syndrome (APS). However, its causes are still poorly defined. We have shown recently that antiphospholipid antibodies (aPL) directed against β2-glycoprotein I (β2GPI) of the IgG isotype induced platelet activation and aggregation while aPL directed against cardiolipin and anti-β2GPI IgM had no effect. Since platelet activation by anti-β2GPI might lead to platelet consumption and lower platelet count or overt thrombocytopenia, we analyzed the association of aPL with platelet count.</p><p><strong>Material and methods: </strong> Data of consecutive patients with test orders for anticardiolipin IgG/IgM and anti-β2GPI IgG/IgM and full blood count in our laboratory from August 2015 to April 2019 were analyzed.</p><p><strong>Results: </strong> We identified 2,815 individual patients (mean age 45.7 years; 71.1% women) with complete data on aPL and platelet count, of which 445 individuals (mean age 41.0 years; 75.3% women) showed increased aPL titers. Patients with anti-β2GPI of the IgG isotype had significantly lower platelet count (220 ± 84 versus 264 ± 90 G/L, <i>p</i> < 0.0001) and higher frequency of thrombocytopenia (platelet count <100 G/L; 12.2% versus 2.4%, <i>p</i> < 0.005) than patients negative for all four aPL. These differences could not be explained by comorbidities or medications. Neither anticardiolipin IgG nor aPL of the IgM isotype was associated with lower platelet count or thrombocytopenia.</p><p><strong>Conclusion: </strong> The exclusive association of anti-β2GPI IgG aPL with low platelet count coincides with its unique ability to activate platelets and induce aggregation in vitro. This supports the hypothesis that anti-β2GPI IgG aPL may induce thrombocytopenia by chronic platelet consumption in vivo.</p>","PeriodicalId":23036,"journal":{"name":"Thrombosis and haemostasis","volume":" ","pages":""},"PeriodicalIF":5.0,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142955366","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Elena Hofmann, Odile Stalder, Marie Méan, Nicolas Rodondi, Tobias Tritschler, Marc Righini, Drahomir Aujesky
{"title":"Anemia and Prognosis in Patients with Acute Venous Thromboembolism.","authors":"Elena Hofmann, Odile Stalder, Marie Méan, Nicolas Rodondi, Tobias Tritschler, Marc Righini, Drahomir Aujesky","doi":"10.1055/a-2510-6301","DOIUrl":"https://doi.org/10.1055/a-2510-6301","url":null,"abstract":"<p><strong>Background: </strong> Studies found an association between anemia and overall mortality and major bleeding (MB) in patients with acute venous thromboembolism (VTE), but whether anemia is causally related to death, bleeding, or recurrent VTE is uncertain.</p><p><strong>Objectives: </strong> To explore the association between anemia at baseline and short-/long-term clinical outcomes in a prospective cohort of 928 patients with acute VTE.</p><p><strong>Methods: </strong> We defined anemia as a hemoglobin <13 g/dL for men/< 12 g/dL for women. The primary outcome was overall mortality, secondary outcomes were MB and recurrent VTE at 3 months (short term) and over the entire follow-up (long term). An independent committee determined the cause of death. We examined the association between anemia and clinical outcomes using multivariable regression, adjusting for confounders, periods of anticoagulation, and the competing risk of death if appropriate.</p><p><strong>Results: </strong> Overall, 42% of patients had anemia. After a median follow-up of 30 months, 21.4% died, 13.8% experienced MB, and 12.4% had recurrent VTE. Anemia was associated with long-term overall mortality (adjusted HR 1.46, 95%CI 1.06-2.02) but not with short-term mortality, MB, or recurrent VTE. Per 1 g/dL increase in hemoglobin, long-term mortality risk decreased by 8%. Anemic patients were more likely to die from left ventricular failure than non-anemic patients (9.8% versus 1.3%).</p><p><strong>Conclusion: </strong> Anemic patients with VTE carried a higher long-term mortality risk than those without anemia, possibly due to an excess in mortality from left ventricular failure. The lack of an independent relationship between anemia and bleeding indicated that anemia might have confounding rather than causal effects.</p>","PeriodicalId":23036,"journal":{"name":"Thrombosis and haemostasis","volume":" ","pages":""},"PeriodicalIF":5.0,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143053664","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Konstantinos C Christodoulou, Katharina Mohr, Timo Uphaus, Max Jägersberg, Luca Valerio, Ioannis T Farmakis, Lukas Hobohm, Harald Binder, Stavros V Konstantinides, Karsten Keller
{"title":"Hospital Costs of Intracranial Haemorrhage in Patients with Acute Pulmonary Embolism: Possible Implications for Emerging Therapies.","authors":"Konstantinos C Christodoulou, Katharina Mohr, Timo Uphaus, Max Jägersberg, Luca Valerio, Ioannis T Farmakis, Lukas Hobohm, Harald Binder, Stavros V Konstantinides, Karsten Keller","doi":"10.1055/a-2511-4599","DOIUrl":"10.1055/a-2511-4599","url":null,"abstract":"","PeriodicalId":23036,"journal":{"name":"Thrombosis and haemostasis","volume":" ","pages":""},"PeriodicalIF":5.0,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142955475","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Mehrdad Zarghami, Sina Rashedi, Gregory Piazza, Marie Denise Gerhard-Herman, Geoffrey D Barnes, Behnood Bikdeli
{"title":"Heterogeneity in American and European Peripheral Artery Disease Guidelines on Non-statin Lipid-Lowering Therapy and Rivaroxaban.","authors":"Mehrdad Zarghami, Sina Rashedi, Gregory Piazza, Marie Denise Gerhard-Herman, Geoffrey D Barnes, Behnood Bikdeli","doi":"10.1055/a-2510-6370","DOIUrl":"10.1055/a-2510-6370","url":null,"abstract":"","PeriodicalId":23036,"journal":{"name":"Thrombosis and haemostasis","volume":" ","pages":""},"PeriodicalIF":5.0,"publicationDate":"2025-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142955369","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Eva Kempers, Chantal Visser, Eric Geijteman, Jamilla Goedegebuur, Johanneke Portielje, Mette Søgaard, Anne Ording, Carline van den Dries, Denise Abbel, G J Geersing, Sarah Aldridge, Kate Lifford, Ashley Akbari, Sjef van de Leur, Melchior Nierman, Isabelle Mahé, Simon Mooijaart, Sebastian Szmit, Michelle Edwards, Simon Noble, Frederikus A Klok, Qingui Chen, Suzanne C Cannegieter, Marieke J H A Kruip
{"title":"Discontinuation of anticoagulants and occurrence of bleeding and thromboembolic events in vitamin K antagonist users with a life-limiting disease.","authors":"Eva Kempers, Chantal Visser, Eric Geijteman, Jamilla Goedegebuur, Johanneke Portielje, Mette Søgaard, Anne Ording, Carline van den Dries, Denise Abbel, G J Geersing, Sarah Aldridge, Kate Lifford, Ashley Akbari, Sjef van de Leur, Melchior Nierman, Isabelle Mahé, Simon Mooijaart, Sebastian Szmit, Michelle Edwards, Simon Noble, Frederikus A Klok, Qingui Chen, Suzanne C Cannegieter, Marieke J H A Kruip","doi":"10.1055/a-2524-5334","DOIUrl":"https://doi.org/10.1055/a-2524-5334","url":null,"abstract":"<p><strong>Background: </strong>Data on risks and benefits of long-term anticoagulants in patients with a life-limiting disease are limited. This cohort study aims to describe (dis)continuation of anticoagulants and incidences of bleeding and thromboembolic events in vitamin K antagonist (VKA) users with a life-limiting disease.</p><p><strong>Methods: </strong>Data from five Dutch anticoagulation clinics were linked to data from Statistics Netherlands and the Netherlands Cancer registry. Prevalent VKA users diagnosed with a pre-specified life-limiting disease between 01/01/2013 and 31/12/2019 were included and followed until 31/12/2019. Hospitalization data were used to identify bleeding and thromboembolic events. Cumulative incidences of anticoagulant discontinuation were calculated, accounting for death as competing risk, and event rates were determined for both anticoagulant exposed and unexposed person-years (PYs).</p><p><strong>Results: </strong>Among 18,145 VKA users (median age 81 years, 49% females, median survival time 2.03 years), the most common life-limiting diseases were heart disease (60.0%), hip fracture (18.1%), and cancer (13.5%). One year after diagnosis, the cumulative incidence of anticoagulant discontinuation was 14.0% (95%CI: 13.5-14.6). Over 80% of patients continued anticoagulant therapy until the last month before death, with median 14 days between discontinuation and death. Event rates per 100 PYs (95%CI) were comparable during anticoagulant use and after discontinuation for bleeding 2.6 (2.4-2.8) versus 2.1 (1.5-2.8); venous thromboembolism 0.2 (0.1-0.2) versus 0.4 (0.2-0.7); and arterial thromboembolism 3.1 (2.9-3.3) versus 3.3 (2.6-4.2).</p><p><strong>Conclusion: </strong>Most VKA users with a life-limiting disease continued anticoagulant treatment during their last phase of life, with similar rates of bleeding and thromboembolic events during use and after discontinuation.</p>","PeriodicalId":23036,"journal":{"name":"Thrombosis and haemostasis","volume":" ","pages":""},"PeriodicalIF":5.0,"publicationDate":"2025-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143042051","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}