Sergio Moragón-Ledesma , Rubén Alonso-Beato , Francisco Galeano-Valle , Lucía Ordieres-Ortega , Marina López-Rubio , Marta-Olimpia Lago-Rodríguez , Luis Antonio Alvarez-Sala-Walther , Pablo Demelo-Rodríguez
{"title":"Clinical outcomes of direct oral anticoagulants in patients with thrombosis in unusual sites: Insights from a tertiary care center","authors":"Sergio Moragón-Ledesma , Rubén Alonso-Beato , Francisco Galeano-Valle , Lucía Ordieres-Ortega , Marina López-Rubio , Marta-Olimpia Lago-Rodríguez , Luis Antonio Alvarez-Sala-Walther , Pablo Demelo-Rodríguez","doi":"10.1016/j.thromres.2025.109301","DOIUrl":"10.1016/j.thromres.2025.109301","url":null,"abstract":"","PeriodicalId":23064,"journal":{"name":"Thrombosis research","volume":"249 ","pages":"Article 109301"},"PeriodicalIF":3.7,"publicationDate":"2025-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143578037","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Kun Liu , Can Hu , Ling-yun Zhou , Zhi-yao Tang , Yi-feng Wu , Yu-jie Huang , Xiao-cong Zuo
{"title":"The efficacy and safety of low-molecular-weight heparins for venous thromboembolism prophylaxis in abdominal or pelvic cancer surgery: A systematic review and network meta-analysis of randomized controlled trials","authors":"Kun Liu , Can Hu , Ling-yun Zhou , Zhi-yao Tang , Yi-feng Wu , Yu-jie Huang , Xiao-cong Zuo","doi":"10.1016/j.thromres.2025.109294","DOIUrl":"10.1016/j.thromres.2025.109294","url":null,"abstract":"<div><h3>Background</h3><div>Low-molecular-weight heparins (LMWHs) have been widely used for thromboprophylaxis in postoperative patients with abdominal or pelvic cancer. However, evidence regarding the optimal type of LMWHs remains limited.</div></div><div><h3>Objective</h3><div>This study aims to evaluate the efficacy and safety of different types of LMWHs in patients undergoing abdominal or pelvic cancer surgery through a network meta-analysis of randomized controlled trials (RCTs).</div></div><div><h3>Methods</h3><div>The network meta-analysis was guided by the PRISMA guidelines. The primary outcomes included venous thromboembolism (VTE), major bleeding, and all-cause death. Results were summarized with relative ratios (RR) and 95 % confidence intervals (CIs). The surface under the cumulative ranking curve (SUCRA) was calculated to assess the performance of various LMWHs.</div></div><div><h3>Results</h3><div>A total of 19 RCTs involving 6318 patients were identified. Compared to non-LMWH, LMWHs significantly reduced the risk of VTE [RR 0.57, (95 % CI 0.41–0.81)], DVT [RR 0.56, (95 % CI 0.39–0.81)], and PE [RR 0.26, (95 % CI 0.10–0.66)], without increasing the risk of all-cause death [RR 0.67, (95 % CI 0.39–1.14)], major bleeding [RR 1.51, (95 % CI 0.82–2.77)], minor bleeding [RR 1.23, (95 % CI 0.84–1.80)], all bleeding [RR 1.35, (95 % CI 0.98–1.84)], or thrombocytopenia [RR 0.41, (95 % CI 0.13–1.31)]. Notably, no significant differences in efficacy and safety were observed among different types of LMWHs, with parnaparin (SUCRA 86.3), dalteparin (SUCRA 74.5), and certoparin (SUCRA 88.5) ranking highest in the prevention of VTE, major bleeding, and all-cause death, respectively.</div></div><div><h3>Conclusion</h3><div>LMWHs are efficacious options for thromboprophylaxis in patients undergoing abdominal or pelvic cancer surgery, without increasing the risk of major bleeding or all-cause death. However, no significant differences were observed in efficacy and safety among different types of LMWHs used in this context.</div></div>","PeriodicalId":23064,"journal":{"name":"Thrombosis research","volume":"249 ","pages":"Article 109294"},"PeriodicalIF":3.7,"publicationDate":"2025-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143549092","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Mia Giertz , Henri Aarnivala , Sascha W. Michelsen , Caroline Björklund , Marika Grönroos , Lisa L. Hjalgrim , Pasi Huttunen , Riitta Niinimäki , Tuuli Pöyhönen , Päivi Raittinen , Susanna Ranta , Johan E. Svahn , Lisa Törnudd , Annika Englund , Arja Harila
{"title":"Venous thromboembolism in children with Hodgkin lymphoma – A population-based study in Sweden, Finland, and Denmark","authors":"Mia Giertz , Henri Aarnivala , Sascha W. Michelsen , Caroline Björklund , Marika Grönroos , Lisa L. Hjalgrim , Pasi Huttunen , Riitta Niinimäki , Tuuli Pöyhönen , Päivi Raittinen , Susanna Ranta , Johan E. Svahn , Lisa Törnudd , Annika Englund , Arja Harila","doi":"10.1016/j.thromres.2025.109287","DOIUrl":"10.1016/j.thromres.2025.109287","url":null,"abstract":"<div><h3>Background</h3><div>Children and adolescents with Hodgkin lymphoma (HL) are susceptible to developing venous thromboembolism (VTE) due to several predisposing factors such as cancer itself, central venous catheter use, mediastinal mass, and glucocorticoid therapy, yet reports on the topic are scarce.</div></div><div><h3>Aim</h3><div>To study incidence, risk factors, and treatment of VTE, and the use of thromboprophylaxis, in a retrospective clinical study on pediatric HL.</div></div><div><h3>Methods</h3><div>Children under 18, diagnosed with HL 2005–2019 in Sweden, Denmark, and Finland were included. Data on patient characteristics, treatment, thrombotic events and follow up were collected from patients' medical records.</div></div><div><h3>Results</h3><div>A total of 490 children were identified and data were assessed for 489. The cumulative 2-year incidence of VTE was 8.1 % (42/489). Older age at diagnosis (<em>p</em> = 0.004), mediastinal involvement (<em>p</em> = 0.024), and HL stage III + IV (<em>p</em> = 0.036) were significant risk factors for VTE. Children over 15 with mediastinal mass and HL stage III or IV had a 1-year cumulative incidence of VTE of 18 % and a nearly three-fold risk of developing VTE compared to all other patients (OR 2.94, 95 % CI 1.47–5.88, <em>p</em> = 0.002). The majority (39/42; 92.9 %) were treated with low-molecular-weight heparin. Four (9.5 %) patients developed post-thrombotic syndrome. Thromboprophylaxis was given to 18/489 (3.7 %) patients with HL, two of whom developed VTE.</div></div><div><h3>Conclusion</h3><div>VTE is a common complication in adolescents treated for HL with large tumor burden at diagnosis. Prospective studies should focus on identifying patients who would benefit from thromboprophylaxis.</div></div>","PeriodicalId":23064,"journal":{"name":"Thrombosis research","volume":"248 ","pages":"Article 109287"},"PeriodicalIF":3.7,"publicationDate":"2025-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143473911","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yuko Mishima , Hisako Okada , Amir L. Butt , Kenneth E. Stewart , Michael A. Mazzeffi , Kenichi A. Tanaka
{"title":"In vitro procoagulant effects of Gla-domainless factor Xa in factor XI-deficient and factor IX-deficient plasma","authors":"Yuko Mishima , Hisako Okada , Amir L. Butt , Kenneth E. Stewart , Michael A. Mazzeffi , Kenichi A. Tanaka","doi":"10.1016/j.thromres.2025.109286","DOIUrl":"10.1016/j.thromres.2025.109286","url":null,"abstract":"","PeriodicalId":23064,"journal":{"name":"Thrombosis research","volume":"247 ","pages":"Article 109286"},"PeriodicalIF":3.7,"publicationDate":"2025-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143428789","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Tzu-Fei Wang , Suhong Luo , Brian F. Gage , Martin W. Schoen , Amber Afzal , Kenneth Carson , Su-Hsin Chang , Amir Mahmoud , Kristen M. Sanfilippo
{"title":"Association between anticoagulant-related bleeding and mortality in patients with hematological malignancies and cancer-associated venous thromboembolism","authors":"Tzu-Fei Wang , Suhong Luo , Brian F. Gage , Martin W. Schoen , Amber Afzal , Kenneth Carson , Su-Hsin Chang , Amir Mahmoud , Kristen M. Sanfilippo","doi":"10.1016/j.thromres.2025.109284","DOIUrl":"10.1016/j.thromres.2025.109284","url":null,"abstract":"<div><h3>Introduction</h3><div>Patients with hematological malignancies are at an increased risk of severe bleeding. Anticoagulant (AC) therapy further increases this risk. Mortality after these bleeds is unclear and may differ by bleeding site.</div><div>Aim</div><div>To evaluate the association between bleeding and mortality in patients with hematological malignancies prescribed AC therapy for cancer-associated venous thromboembolism (VTE).</div></div><div><h3>Methods</h3><div>In a nationwide cohort of US Veterans (2012−2020), we identified patients with hematological malignancies and cancer-associated VTE prescribed AC therapy. Bleeding events were identified by a previously validated algorithm using hospitalization International Classification of Disease (ICD) codes. Within 12 months of AC therapy initiation, we evaluated the association between bleeding and mortality using multivariate Cox regression models, with AC-related bleeding analyzed as a time-varying covariate.</div></div><div><h3>Results</h3><div>The cohort included 1825 patients. Within 12 months of starting AC therapy, 123 (6.7 %) had bleeding events and 162 (8.9 %) patients died. Patients with bleeding events were more likely to have anemia, history of bleeding, aspirin use, chemotherapy use, and frailty. A multivariable Cox proportional-hazard model showed that AC-related bleeding was associated with tripled mortality rate (aHR 3.26, 95 % CI 1.96–5.45). When stratified by bleeding site, intracranial bleeding was associated with the highest risk of death (aHR 13.41, 95 % CI 4.13–43.48), followed by gastrointestinal bleeding (aHR 4.55, 95 % CI 2.48–8.35).</div></div><div><h3>Conclusion</h3><div>In this cohort of patients with hematological malignancies and newly diagnosed VTE initiated on AC therapy, bleeding was associated with an increased risk of mortality within 12 months. Association was highest with intracranial and gastrointestinal bleeding.</div></div>","PeriodicalId":23064,"journal":{"name":"Thrombosis research","volume":"248 ","pages":"Article 109284"},"PeriodicalIF":3.7,"publicationDate":"2025-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143437726","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Rafaela Vostatek , Marina Trappl , Cornelia Englisch , Philipp Hohensinner , Matthias Preusser , Ingrid Pabinger , Cihan Ay
{"title":"Mitochondrial DNA copy number and its association with venous thromboembolism in patients with cancer","authors":"Rafaela Vostatek , Marina Trappl , Cornelia Englisch , Philipp Hohensinner , Matthias Preusser , Ingrid Pabinger , Cihan Ay","doi":"10.1016/j.thromres.2025.109285","DOIUrl":"10.1016/j.thromres.2025.109285","url":null,"abstract":"<div><div>Venous thromboembolism (VTE) is a common and serious complication among cancer patients. Mitochondrial DNA (mtDNA) copy number is known to influence various cellular pathways involved in cancer development. While an association between reduced mtDNA and VTE risk in non-cancer patients was previously reported, its relationship with VTE in cancer patients remains unclear.</div><div>Therefore, we aimed to investigate the association between mtDNA copy number and VTE risk in a nested-case control study of 48 patients from the Vienna Cancer and Thrombosis Study (CATS), a prospective observational cohort study. The mtDNA copy number was measured in equally distributed age, sex, cancer type, and stage matched patients with and without VTE using a qPCR-based method.</div><div>Of the 48 patients, 24 were diagnosed with VTE (median age [IQR] 62 [57–60] years, 54.2 % female) and 24 had no VTE event (median age [IQR] 63 [58–71] years, 54.2 % female). We found that patients who developed VTE had lower mtDNA copy numbers compared to those without VTE (216.73 [167.99–401.39] vs 301.47 [210.66–526.84]). Multivariable analysis adjusting for chronological age, D-dimer, sex, cancer stage and BMI revealed that each 10-unit increase in mtDNA copy number decreased the odds of VTE occurrence by 5.9 % (<em>p</em> = 0.021). Patients with distant metastatic cancer (M1) had lower mtDNA copy numbers than those without distant metastasis at study inclusion (220.34 [172.67–323.70] vs 328.48 [213.89–556.68; <em>p</em> = 0.052).</div><div>Overall, our findings suggest a potential link between reduced mtDNA copy number and increased VTE risk in cancer patients.</div></div>","PeriodicalId":23064,"journal":{"name":"Thrombosis research","volume":"248 ","pages":"Article 109285"},"PeriodicalIF":3.7,"publicationDate":"2025-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143428999","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Acquired factor XI deficiency in paediatrics patients: A French series and review of literature cases","authors":"Julie Avoine , Annie Harroche , Saba Azarnoush , Yoann Huguenin , Adeline Blandinieres , Emanuelle De Raucourt , Caroline Galeotti , Alexandre Theron","doi":"10.1016/j.thromres.2025.109282","DOIUrl":"10.1016/j.thromres.2025.109282","url":null,"abstract":"<div><div>Acquired factor XI (FXI) deficiency of autoimmune origin is a rare condition, with only a few cases in children having been documented in the literature. In this study, we present a series of four pediatric patients from France who have been diagnosed with FXI deficiency of autoimmune origin and review four cases from the literature. The majority of patients were adolescents, and many had associated autoimmune disorders. The bleeding symptoms manifested as mild or non-existent, and despite the anticipated hemorrhagic phenotype, two patients exhibited thrombotic episodes, one of which was associated with the administration of prophylactic treatment with activated factor VII.</div></div>","PeriodicalId":23064,"journal":{"name":"Thrombosis research","volume":"247 ","pages":"Article 109282"},"PeriodicalIF":3.7,"publicationDate":"2025-02-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143387348","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Robert J. Trager , Catherine P. Haering , Anthony N. Baumann , Debbie S. Wright
{"title":"Association between combined oral contraceptive prescription and cervical artery dissection: A retrospective cohort study","authors":"Robert J. Trager , Catherine P. Haering , Anthony N. Baumann , Debbie S. Wright","doi":"10.1016/j.thromres.2025.109279","DOIUrl":"10.1016/j.thromres.2025.109279","url":null,"abstract":"<div><h3>Background</h3><div>To date, research has identified positive associations between combined oral contraceptives (COCs) and adverse vascular events, however, evidence regarding the possible association with cervical artery dissection (CeAD) remains limited. We tested the hypothesis of a positive association between COCs and CeAD within one year following COC initiation compared to matched controls initiating intrauterine devices (IUDs), as measured by risk ratio (RR).</div></div><div><h3>Methods</h3><div>We queried de-identified United States health records data (TriNetX, Inc.) from 2014 to 2024 for females aged 15–50 years without previous cerebrovascular disease or CeAD, creating mutually exclusive cohorts initiating either COCs or IUDs. We used propensity matching to control for variables associated with CeAD. Our primary outcome included the RR for CeAD within one year follow-up. We secondarily explored cumulative CeAD incidence and RR of stroke, also examining outcomes for females with ≥2 COC prescriptions (COC2).</div></div><div><h3>Results</h3><div>After matching there were 214,020 patients per cohort (mean age 31 years). The incidence and risk of CeAD was greater among those prescribed COCs compared to matched controls with IUDs [95 % CI] (COCs: 0.016 %, IUDs: 0.008 %; RR 1.94 [1.10,3.43]; <em>P</em> = 0.0195). A similar association was observed for stroke (COCs: 0.106 %, IUDs: 0.057 %; RR = 1.86 [1.49,2.32]; <em>P</em> < 0.0001). The secondary COC2 analysis revealed similar findings.</div></div><div><h3>Conclusions</h3><div>The present findings suggest that females prescribed COCs have an increased risk of CeAD and stroke compared to matched controls using IUDs. These observations should be viewed as preliminary, require corroboration by other studies, and in isolation do not replace the broader clinical and shared decision-making regarding contraceptive use.</div></div>","PeriodicalId":23064,"journal":{"name":"Thrombosis research","volume":"247 ","pages":"Article 109279"},"PeriodicalIF":3.7,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143372676","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Aya Takemoto , Nobuyo Kondo , Akiko Kitajo , Hiroto Yamamoto , Yudai Yamamoto , Koji Higashino , Tokujiro Uchida
{"title":"Dielectric blood coagulometry to evaluate coagulation activity in patients prescribed factor Xa inhibitors undergoing elective surgery: A prospective observational study","authors":"Aya Takemoto , Nobuyo Kondo , Akiko Kitajo , Hiroto Yamamoto , Yudai Yamamoto , Koji Higashino , Tokujiro Uchida","doi":"10.1016/j.thromres.2025.109283","DOIUrl":"10.1016/j.thromres.2025.109283","url":null,"abstract":"<div><h3>Background</h3><div>Dielectric blood coagulometry (DBCM) is a coagulation test based on dielectric permittivity. We recently developed a new cartridge to evaluate the anticoagulation effect of factor Xa inhibitors and investigated the usefulness of this system in the clinical setting. Here, we evaluate the relationship among the coagulation time measured by DBCM, plasma concentrations of factor Xa inhibitors, and peak thrombin generation using blood samples from patients prescribed factor Xa inhibitors undergoing elective surgery.</div></div><div><h3>Methods</h3><div>Whole-blood samples were collected at the preoperative visit and after anesthetic induction in the operating room, and our cartridge was used to measure the coagulation time by DBCM. Plasma was used to evaluate thrombin generation and to perform in vitro quantification of factor Xa inhibitors. Spearman's correlation was used to analyze correlations, and receiver operating characteristic (ROC) curves were used to evaluate diagnostic performance.</div></div><div><h3>Results</h3><div>The DBCM coagulation time correlated with plasma factor Xa inhibitor concentrations (Rs = 0.87 for apixaban [<em>n</em> = 57, <em>P</em> < 0.001]; Rs = 0.91 for rivaroxaban [<em>n</em> = 49, <em>P</em> < 0.001]) and peak thrombin generation (Rs = −0.80 for apixaban [<em>n</em> = 57, <em>P</em> < 0.001]; Rs = −0.84 for rivaroxaban [<em>n</em> = 49, P < 0.001]). Samples with factor Xa inhibitor concentrations <30 ng/mL had an area under the ROC curve of 0.98 (95 % confidence interval 0.96–1.0) for apixaban and 0.99 (95 % confidence interval 0.99–1.0) for rivaroxaban.</div></div><div><h3>Conclusions</h3><div>DBCM was a useful point-of-care test to evaluate the anticoagulation effect induced by factor Xa inhibitors.</div></div>","PeriodicalId":23064,"journal":{"name":"Thrombosis research","volume":"247 ","pages":"Article 109283"},"PeriodicalIF":3.7,"publicationDate":"2025-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143372675","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
C. Farkh , P.H. Wicky , A. Perrier-Cornet , M. Koskas , N. Ajzenberg , D. Faille
{"title":"Danaparoid failure in heparin-induced thrombocytopenia due to acquired antithrombin deficiency: A case report","authors":"C. Farkh , P.H. Wicky , A. Perrier-Cornet , M. Koskas , N. Ajzenberg , D. Faille","doi":"10.1016/j.thromres.2025.109280","DOIUrl":"10.1016/j.thromres.2025.109280","url":null,"abstract":"<div><div>Heparin-induced thrombocytopenia (HIT) is a severe immunological adverse effect of heparin therapy, characterized by thrombocytopenia and unpredictable thromboembolic complications. Rapid discontinuation of heparin and replacement by an alternative anticoagulant such as danaparoid is mandatory. We report the case of a 45-year-old woman with uterine sarcoma and acute HIT, who experienced treatment failure with danaparoid. Despite danaparoid dosage escalation, anti-Xa activity remained subtherapeutic, resulting in clinical deterioration. Acquired antithrombin (AT) deficiency in the context of cancer and HIT -associated disseminated intravascular coagulation was then diagnosed. The administration of AT concentrate corrected AT levels thereby restoring therapeutic anti-Xa levels. This is the first reported case of danaparoid failure due to a documented AT deficiency demonstrating the potential efficacy of AT supplementation in this context. This case highlights the importance of monitoring AT levels in HIT patients when danaparoid activity is below the therapeutic range despite adjusted dosing.</div></div>","PeriodicalId":23064,"journal":{"name":"Thrombosis research","volume":"247 ","pages":"Article 109280"},"PeriodicalIF":3.7,"publicationDate":"2025-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143372677","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}