Emma Bendz, Anna Oksanen, Susanna Larsson, Joel Ohm, Therese Djärv, Maria Bruzelius
{"title":"OUT-OF-HOSPITAL CARDIAC ARREST ASSOCIATED WITH VENOUS THROMBOEMBOLISM - A SWEDISH POPULATION-BASED COHORT STUDY.","authors":"Emma Bendz, Anna Oksanen, Susanna Larsson, Joel Ohm, Therese Djärv, Maria Bruzelius","doi":"10.1016/j.jtha.2024.11.021","DOIUrl":"https://doi.org/10.1016/j.jtha.2024.11.021","url":null,"abstract":"<p><strong>Background: </strong>Venous thromboembolism (VTE) is a common and preventable cardiovascular disease but potentially fatal if presenting as pulmonary embolism. There are few population-based studies on out-of-hospital cardiac arrest (OHCA) associated with VTE.</p><p><strong>Objectives: </strong>We aimed to investigate the prevalence and survival of VTE-associated OHCA in relation to sex, age and presenting rhythm.</p><p><strong>Methods: </strong>This population-based cohort included all individuals over 15 years registered with a medical OHCA in Sweden 2008-2018. Data from national registers was used. Association with presenting rhythm, 30-day survival and sex was estimated using adjusted multinomial and binary logistic regression for odds ratios (OR) with 95% confidence interval (CI).</p><p><strong>Results: </strong>OHCA was associated with VTE in 852 (2.0%) of 41,813 individuals. The median age for VTE-associated OHCA was 69, compared to 73 for the entire cohort, with a higher female prevalence (45% versus 34%). Younger women had a proportionally higher incidence of VTE-associated OHCA than men of the same age. Pulseless electrical activity and asystole had adjusted ORs of 17.2 (CI 11.3-26.0) and 9.59 (CI 6.37-14.4) for VTE-associated OHCA compared with the entire cohort. The 30-day survival was substantially lower in the VTE-group compared to the overall medical OHCA group, 2.0% versus 12%, adjusted OR 0.25 (CI 0.13-0.47).</p><p><strong>Conclusion: </strong>This nationwide study confirms that VTE-associated OHCA is uncommon and almost always fatal. Despite fewer women experiencing OHCA, a higher proportion had VTE-associated OHCA, especially younger women. Our findings highlight the need for better prevention and identification of VTE-associated OHCA, particularly in women.</p>","PeriodicalId":17326,"journal":{"name":"Journal of Thrombosis and Haemostasis","volume":" ","pages":""},"PeriodicalIF":5.5,"publicationDate":"2024-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142813643","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":"A novel automated chemiluminescent enzyme immunoassay (CLEIA) for ADAMTS13 activity enables accompanying measurements of the inhibitory autoantibodies.","authors":"Masayuki Kubo, Kazuyasu Konko, Emi Kinoshita, Satoshi Uemae, Katsushi Kobayashi, Yoshinori Hayashi, Akihiko Kan, Yoshihiro Fujimura, Masanori Matsumoto","doi":"10.1016/j.jtha.2024.11.020","DOIUrl":"https://doi.org/10.1016/j.jtha.2024.11.020","url":null,"abstract":"<p><strong>Background: </strong>Thrombotic thrombocytopenic purpura (TTP) is a fatal disease caused by severe deficiency in ADAMTS13 activity. ADAMTS13 activity measurement is essential for the diagnosis of TTP, but conventional standard assays are manual and time-consuming. Automated ADAMTS13 activity assays have recently become available; however, their accuracy remains challenging.</p><p><strong>Objectives: </strong>We here developed a novel chemiluminescent enzyme immunoassay (CLEIA) for ADAMTS13 activity that is fully automated, highly sensitive, and has a short reaction time (17 min). We evaluated the utility of our fully automated CLEIA for measuring ADAMTS13 activity and inhibitory antibodies and compared it with conventional manual assays.</p><p><strong>Patients/methods: </strong>We compared our CLEIA for ADAMTS13 activity and inhibitory antibodies with an in-house FRETS-VWF73 assay and commercial enzyme-linked immunosorbent assay (ELISA) using samples from 100 patients and 50 healthy donors. Agreement between assays was evaluated using a cutoff value of 10 IU/dl for ADAMTS13 activity and 0.5 BU/ml for inhibitory antibodies.</p><p><strong>Results: </strong>The CLEIA and conventional assays for ADAMTS13 activity correlated well. The CLEIA showed high agreement with the FRETS-VWF73 assay (kappa = 0.96) and ELISA (kappa = 1.0) in classifying patients with a cutoff value of 10 IU/dl for ADAMTS13 activity. Furthermore, in classifying patients with the cutoff value of 0.5 BU/ml for inhibitory antibodies, the CLEIA agreed strongly with the FRETS-VWF73 assay (kappa = 0.95) and ELISA (kappa = 0.98). Its diagnostic performance for TTP was satisfactory.</p><p><strong>Conclusions: </strong>The high-performance and fully automated CLEIA enables rapid in-hospital diagnosis and follow-up of TTP, as well as detection of inhibitory ADAMTS13 autoantibodies.</p>","PeriodicalId":17326,"journal":{"name":"Journal of Thrombosis and Haemostasis","volume":" ","pages":""},"PeriodicalIF":5.5,"publicationDate":"2024-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142813639","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}
Ecaterina Scarlatescu, Jerrold H Levy, Hunter Moore, Jecko Thachil, Toshiaki Iba, Lara N Roberts, Ton Lisman
{"title":"Disseminated intravascular coagulation and cirrhotic coagulopathy: overlap and differences. The current state of knowledge. Communication from the SSC of the ISTH.","authors":"Ecaterina Scarlatescu, Jerrold H Levy, Hunter Moore, Jecko Thachil, Toshiaki Iba, Lara N Roberts, Ton Lisman","doi":"10.1016/j.jtha.2024.11.019","DOIUrl":"https://doi.org/10.1016/j.jtha.2024.11.019","url":null,"abstract":"<p><p>Patients with disseminated intravascular coagulation (DIC) have decreasing plasma levels of coagulation factors and platelet counts with increased levels of D-dimers. Standard laboratory tests are used clinically to diagnose DIC and quantify the severity of the disease. In patients with cirrhosis, liver-derived plasma coagulation factor levels are reduced due to decreased hepatic synthesis, further exacerbated by extravascular redistribution of these proteins, causing prolongation of routine diagnostic coagulation tests. Platelets are often decreased in cirrhosis due to reduced production and portal hypertension, resulting in hypersplenism and sequestration. Patients with cirrhosis frequently have elevated fibrin/fibrinogen degradation products levels without having acute medical decompensation. As a result, these patients commonly meet the laboratory criteria of DIC. However, it has been debated whether laboratory-assessed DIC is present in patients with cirrhosis and if it has clinical relevance. In this communication, we review hemostatic features in cirrhosis and DIC, examine published studies that evaluate the activation of hemostasis in patients with cirrhosis, and highlight future directions for research.</p>","PeriodicalId":17326,"journal":{"name":"Journal of Thrombosis and Haemostasis","volume":" ","pages":""},"PeriodicalIF":5.5,"publicationDate":"2024-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142813641","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":"Endothelial colony-forming cells in the spotlight: insights into the pathophysiology of von Willebrand disease and rare bleeding disorders","authors":"Sebastiaan N.J. Laan , Britte G. Lenderink , Jeroen C.J. Eikenboom , Ruben Bierings , SYMPHONY consortium","doi":"10.1016/j.jtha.2024.08.011","DOIUrl":"10.1016/j.jtha.2024.08.011","url":null,"abstract":"<div><div>Endothelial cells deliver a vital contribution to the maintenance of hemostasis by constituting an anatomical as well as functional barrier between the blood and the rest of the body. Apart from the physical barrier function, endothelial cells maintain the hemostatic equilibrium by their pro- and anticoagulant functions. An important part of their procoagulant contribution is the production of von Willebrand factor (VWF), which is a carrier protein for coagulation factor VIII and facilitates the formation of a platelet plug. Thus, VWF is indispensable for both primary and secondary hemostasis, which is exemplified by the bleeding disorder von Willebrand disease that results from qualitative or quantitative deficiencies in VWF. A cellular model that was found to accurately reflect the endothelium and its secretory organelles are endothelial colony-forming cells, which can be readily isolated from peripheral blood and constitute a robust <em>ex vivo</em> model to investigate the donor’s endothelial cell function. This review summarizes some of the valuable insights on biology of VWF and pathogenic mechanisms of von Willebrand disease that have been made possible using studies with endothelial colony-forming cells derived from patients with bleeding disorders.</div></div>","PeriodicalId":17326,"journal":{"name":"Journal of Thrombosis and Haemostasis","volume":"22 12","pages":"Pages 3355-3365"},"PeriodicalIF":5.5,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142145869","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Natasha Lalos , Zachary Vesoulis , Carly Maucione , Charles Eby , Dennis J. Dietzen , Stephen M. Roper , Nicholas C. Spies
{"title":"Estimation of gestational age-specific reference intervals for coagulation assays in a neonatal intensive care unit using real-world data","authors":"Natasha Lalos , Zachary Vesoulis , Carly Maucione , Charles Eby , Dennis J. Dietzen , Stephen M. Roper , Nicholas C. Spies","doi":"10.1016/j.jtha.2024.08.017","DOIUrl":"10.1016/j.jtha.2024.08.017","url":null,"abstract":"<div><h3>Background</h3><div>Interpretation of coagulation testing in neonates currently relies on reference intervals (RIs) defined from older patient cohorts. Direct RI studies are difficult, but indirect estimation may allow us to infer normative neonatal distributions from routinely collected clinical data.</div></div><div><h3>Objective</h3><div>Assess the utility of indirect reference interval methods in estimating coagulation reference intervals in critically ill neonates.</div></div><div><h3>Methods</h3><div>We analyzed first-in-life coagulation testing results from all patients admitted to a level IV neonatal intensive care unit between January 1, 2018, and January 1, 2024. Results obtained after transfusion of any blood product were excluded. Indirect RIs were estimated across gestational age groups using <em>refineR</em> and compared with currently reported intervals for patients less than 1 year of age.</div></div><div><h3>Results</h3><div>Prothrombin times (PTs) and international normalized ratios (INRs) were available for 1128 neonates, while activated partial thromboplastin times (APTTs) were available for 790 neonates. The indirect RI was 10 to 25 seconds in preterm, 10 to 22 seconds in term, and 10 to 24 seconds in all neonates for PT; 0.7 to 2.1 in preterm, 0.8 to 1.8 in term, and 0.8 to 1.9 in all neonates for INR; and 25 to 68 seconds in preterm, 25 to 58 seconds in term, and 25 to 62 seconds in all neonates for APTT. Compared with our current intervals, the indirect RIs would flag 58% fewer PT, 43% fewer INR, and 17% fewer APTT results as abnormal.</div></div><div><h3>Conclusion</h3><div>Indirectly estimated RIs in neonates admitted to intensive care show substantial divergence from current, first-year-of-life RIs, leading to an abundance of abnormal flags. The associations between these flags and provider behavior, transfusion practice, or clinical outcomes are areas of future exploration.</div></div>","PeriodicalId":17326,"journal":{"name":"Journal of Thrombosis and Haemostasis","volume":"22 12","pages":"Pages 3473-3478"},"PeriodicalIF":5.5,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142251213","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Margaret L. Rand , Nicholas Blanchette , Manuel D. Carcao
{"title":"Professor Victor S. Blanchette, MA, MB, BChir (Cantab), FRCP(C), FRCP (1945-2024)","authors":"Margaret L. Rand , Nicholas Blanchette , Manuel D. Carcao","doi":"10.1016/j.jtha.2024.09.002","DOIUrl":"10.1016/j.jtha.2024.09.002","url":null,"abstract":"","PeriodicalId":17326,"journal":{"name":"Journal of Thrombosis and Haemostasis","volume":"22 12","pages":"Pages 3650-3651"},"PeriodicalIF":5.5,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142251214","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":"Utility of the modified Ottawa score for identification of more preferable candidates of extended anticoagulation therapy in cancer-associated isolated distal deep vein thrombosis: insight from the ONCO DVT Study","authors":"Wei Xiong , Yugo Yamashita , Takeshi Morimoto , Nao Muraoka , Michihisa Umetsu , Yuji Nishimoto , Takuma Takada , Yoshito Ogihara , Tatsuya Nishikawa , Nobutaka Ikeda , Kazunori Otsui , Daisuke Sueta , Yukari Tsubata , Masaaki Shoji , Ayumi Shikama , Yutaka Hosoi , Yasuhiro Tanabe , Ryuki Chatani , Kengo Tsukahara , Naohiko Nakanishi , Takeshi Kimura","doi":"10.1016/j.jtha.2024.09.003","DOIUrl":"10.1016/j.jtha.2024.09.003","url":null,"abstract":"<div><h3>Background</h3><div>The ONCO DVT study (Edoxaban for 12 Months Versus 3 Months in Patients With Cancer With Isolated Distal Deep Vein Thrombosis) revealed superiority of 12-month relative to 3-month edoxaban treatment for the thrombotic risk in cancer-associated isolated distal deep vein thrombosis. However, it is unknown whether the superiority could be common in different modified Ottawa score subgroups.</div></div><div><h3>Objectives</h3><div>To identify more preferable candidates for extended anticoagulation in patients with cancer-associated isolated distal deep vein thrombosis using the modified Ottawa score.</div></div><div><h3>Methods</h3><div>In this post-hoc subgroup analysis of the ONCO DVT study, we stratified 601 patients into the low (≤−1, <em>N</em> = 126), intermediate (0, <em>N</em> = 323), and high (≥1, <em>N</em> = 152) modified Ottawa score subgroups and compared clinical outcomes between the 12-month and 3-month edoxaban treatment groups.</div></div><div><h3>Results</h3><div>The cumulative incidence of symptomatic recurrent venous thromboembolism or venous thromboembolism–related death was not different between the 12-month and 3-month edoxaban treatment groups in the low score subgroup (0.0% vs 2.2%), whereas it was lower in the 12-month than in the 3-month edoxaban treatment group in the intermediate (0.8% vs 7.6%) and high (3.1% vs 15.6%) score subgroups. There were no significant differences in the cumulative incidences of the major bleeding between the 12-month and 3-month edoxaban treatment groups in the low (10.1% vs 7.6%), intermediate (8.8% vs 5.0%), and high (13.9% vs 12.6%) score subgroups.</div></div><div><h3>Conclusion</h3><div>A 12-month compared with 3-month edoxaban treatment showed a lower risk of thrombotic events in patients with cancer-associated isolated distal deep vein thrombosis in the intermediate and high modified Ottawa score subgroups but not in the low score subgroup, suggesting a limited benefit of extended anticoagulation therapy beyond 3 months in patients with low modified Ottawa score.</div></div>","PeriodicalId":17326,"journal":{"name":"Journal of Thrombosis and Haemostasis","volume":"22 12","pages":"Pages 3542-3551"},"PeriodicalIF":5.5,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142289966","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}
Henry Han , Connor O’Hare , Elizabeth Joyce , Jeffrey A. Kline , Colin F. Greineder , Geoffrey D. Barnes
{"title":"JTH in Clinic: management of low-risk pulmonary embolism","authors":"Henry Han , Connor O’Hare , Elizabeth Joyce , Jeffrey A. Kline , Colin F. Greineder , Geoffrey D. Barnes","doi":"10.1016/j.jtha.2024.09.019","DOIUrl":"10.1016/j.jtha.2024.09.019","url":null,"abstract":"<div><div>Pulmonary embolism (PE) is a common cardiovascular disease diagnosis in emergency departments that can be associated with significant morbidity and mortality. One of the first steps after diagnosing PE is to risk stratify for adverse outcomes using risk scores such as PE Severity Index and European Society of Cardiology risk scheme. While intermediate- and high-risk PE patients should be admitted to the hospital, there is increasing evidence to support early discharge and home-based anticoagulation therapy for low-risk patients. The Hestia criteria encompass many of the clinicians’ considerations for who may be suitable for early discharge, considering both medical and social factors. Additionally, professional guidelines have provided algorithms on determining which low-risk patients may be suitable. Despite this, low-risk acute PE patients are still often admitted for inpatient treatment. In this review, we present a case-based approach on how to risk stratify and evaluate patients who may be good candidates for early discharge and home therapy.</div></div>","PeriodicalId":17326,"journal":{"name":"Journal of Thrombosis and Haemostasis","volume":"22 12","pages":"Pages 3406-3414"},"PeriodicalIF":5.5,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142468671","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sarah Sewaralthahab , Zara Sayar , Shrey Kohli , Rebecca L. Zon , Aaron F.J. Iding , Nicola Potere , Paul C. Armstrong , Lauren G. Poole , ISTH Early Career Committee
{"title":"Interdisciplinarity within thrombosis and hemostasis: opportunities for early career professionals to find their niche","authors":"Sarah Sewaralthahab , Zara Sayar , Shrey Kohli , Rebecca L. Zon , Aaron F.J. Iding , Nicola Potere , Paul C. Armstrong , Lauren G. Poole , ISTH Early Career Committee","doi":"10.1016/j.jtha.2024.09.027","DOIUrl":"10.1016/j.jtha.2024.09.027","url":null,"abstract":"","PeriodicalId":17326,"journal":{"name":"Journal of Thrombosis and Haemostasis","volume":"22 12","pages":"Pages 3333-3335"},"PeriodicalIF":5.5,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142748679","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":"The changing face of cerebral venous sinus thrombosis—emerging new causes and treatments","authors":"Caroline Dix , Beverley J. Hunt","doi":"10.1016/j.jtha.2024.08.012","DOIUrl":"10.1016/j.jtha.2024.08.012","url":null,"abstract":"<div><div>Cerebral venous sinus thrombosis (CVST) is an uncommon site of venous thromboembolism. CVST more commonly affects younger people and women, in stark contrast to other forms of venous thrombosis in which incidence increases with age and overall affects men. Traditional risk factors for the development of CVST include endogenous and exogenous estrogen (combined oral contraceptives and pregnancy and the puerperium), thrombophilias, and rare hematologic disorders. New and emerging risk factors include obesity, polycystic ovary syndrome, COVID-19 infection, and vaccine-induced thrombocytopenia and thrombosis and vaccine-induced thrombocytopenia and thrombosis–like disorders. Management centers around anticoagulation, management of the underlying cause, and consideration of invasive measures including endovascular thrombolysis and/or thrombectomy and craniectomy for severe cases. This review discusses the emerging risk factors and their identification, evidence for treatment including the use of direct oral anticoagulants, and the role of invasive management options.</div></div>","PeriodicalId":17326,"journal":{"name":"Journal of Thrombosis and Haemostasis","volume":"22 12","pages":"Pages 3346-3354"},"PeriodicalIF":5.5,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142182690","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}