2025 Poster Abstracts Part 2

ISTH Academy, Faculty / Presenters, 4174869

2025 Oral Communications Abstracts

ISTH Academy, Faculty / Presenters, 4174867

2025 Oral Communications Abstracts

ISTH Academy, Faculty / Presenters, 4174828

Annoucements

ISTH Academy, Faculty / Presenters, 4171791

How to deal with interference on heparin anti-Xa activity caused by oral factor FXa inhibitors: communication from the ISTH SSC Subcommittee on Control of Anticoagulation

ISTH Academy, Faculty / Presenters, 4171787

Consensus protocol for platelet desialylation (β-galactose exposure) quantification using lectins by flow cytometry: communication from the ISTH SSC Subcommittee on Platelet Physiology

ISTH Academy, , 4171786

Plasminogen and plasmin induce specialized proresolving mediators and promote efferocytosis via 5-lipoxygenase

ISTH Academy, Lirlândia Sousa, 4171780

Effect of direct oral anticoagulants in cirrhosis: an in vitro study

ISTH Academy, Lorenzo ALBERIO, 4171776

2-Methoxybenzoic acid ameliorates arterial thrombosis via inhibiting carbon anhydrase activity in platelet

ISTH Academy, , 4171772

Comparison of the effects of phosphorylcholin versus heparin-based surface coating on clinical and histologic outcomes during veno-arterial extracorporeal membrane oxygenation support: a propensity score weighted analysis

ISTH Academy, Faculty / Presenters, 4171771

Discrepancy between parallel anti-Xa and activated partial thromboplastin time is related to mortality in patients with Impella-supported cardiogenic shock

ISTH Academy, Christophe Vandenbriele, 4171765

An engineered Treg selective immunocytokine induces sustained immune modulation in a preclinical model of hemophilia A

ISTH Academy, , 4171764

Navigating the challenges of neuraxial anesthesia in patients with platelet and coagulation disorders: commentary on the ISTH SSC Delphi Consensus recommendations

ISTH Academy, Roy Khalife, 4171761

Factor activity levels and bleeding scores in hemophilia carriers: apparent paradoxes

ISTH Academy, John Puetz, 4171760

Thrombotic response to mechanical circulatory support devices

ISTH Academy, Anna Waterhouse, 4171758

SSC on the Case: Subcommittee on Pediatric and Neonatal Thrombosis and Hemostasis

ISTH Academy, Faculty / Presenters, 4159170

Using AI to Predict or Guide Diagnosis/Treatment

ISTH Academy, Faculty / Presenters, 4168871

Clinical characteristics and prognosis of patients with central pulmonary embolism

ISTH Academy, Faculty / Presenters, 4168962

Preventative and therapeutic effects of a novel humanized anti-glycoprotein Ibα fragment of antigen-binding region in a murine model of thrombotic thrombocytopenic purpura

ISTH Academy, X.long Zheng, 4168963

Single-cell transcriptomic analysis reveals distinct plasma cell populations in chronic thromboembolic pulmonary hypertension

ISTH Academy, , 4168964

Identification of multiple novel procoagulant plasma ligands for stabilin-2

ISTH Academy, Karl Desch, 4168965

Sedentary behaviors and venous thromboembolism risk among older women: the Objective Physical Activity and Cardiovascular Health study

ISTH Academy, Faculty / Presenters, 4168966

How we treat severe inherited antithrombin deficiency: lessons from cases homozygous for the Budapest 3 variant

ISTH Academy, Faculty / Presenters, 4168967

Intravenous immunoglobulin prevents thrombosis in an endothelialized disease model of heparin-induced thrombocytopenia

ISTH Academy, Faculty / Presenters, 4168968

A rapid whole-blood adenosine triphosphate secretion test can be used to exclude platelet-dense granule deficiency

ISTH Academy, Rolf Urbanus, 4168969

Navigating the waters of acute minor stroke therapies: a systematic review and network meta-analysis

ISTH Academy, , 4168970

Platelet lipidomics indicates enhanced thrombocyte activation in patients with antiphospholipid syndrome in vivo

ISTH Academy, Christina Hart, 4168971

Monitoring and reporting the composition of plasma and serum to improve biobanks and comparability of extracellular vesicle research: communication from the ISTH SSC Subcommittee on Vascular Biology

ISTH Academy, Faculty / Presenters, 4168972

Toward standardization and a concerted vision for platelet proteomics research: communication from the

ISTH Academy, Laura Gutiérrez, 4168973

Results of an international survey on the management of therapeutic intensity unfractionated heparin: communication from the SSCs of the ISTH

ISTH Academy, Faculty / Presenters, 4168974

Reversal of direct oral anticoagulants: guidance from the SSC of the ISTH: reply

ISTH Academy, Faculty / Presenters, 4168975

An update on laboratory detection and interpretation of antiphospholipid antibodies for diagnosis of antiphospholipid syndrome: guidance from the ISTH-SSC Subcommittee on Lupus Anticoagulant/Antiphospholipid Antibodies: reply

ISTH Academy, Faculty / Presenters, 4168977

“Deconstructing the ISTH Hemophilia Guidelines for the clinician”: comment from Mancuso et al.

ISTH Academy, Cedric Hermans, 4168978

Reply to Letter to the Editor: “Deconstructing the ISTH Hemophilia Guidelines for the Clinician”: comment from Mancuso-ME et al.

ISTH Academy, Faculty / Presenters, 4168979

Corrigendum to ‘Anticoagulation in adult patients supported with extracorporeal membrane oxygenation: guidance from the Scientific and Standardization Committees on Perioperative and Critical Care Haemostasis and Thrombosis of the International Society on Thrombosis and Haemostasis.’

ISTH Academy, Faculty / Presenters, 4168980

ISTH News and Updates: Join the ISTH Today

ISTH Academy, Faculty / Presenters, 4168981

Portal vein intimal thickening in patients with cirrhosis is associated with indicators of portal hypertension

ISTH Academy, Faculty / Presenters, 4168959

Incidence and risk of arterial thromboembolism in cancer patients from a safety-net healthcare system

ISTH Academy, Ang Li, 4168958

Frailty and risk of venous thromboembolism in older adults: the Atherosclerosis Risk in Communities Study

ISTH Academy, Pamela Lutsey, 4168957

Andexanet-induced heparin resistance in cardiac surgery—a rapid review of case reports and series

ISTH Academy, Kenichi Tanaka, 4168956

Accurate evaluation of factor VIII activity of efanesoctocog alfa in the presence of emicizumab

ISTH Academy, Yesim Dargaud, 4168955

Functional disability after clinically significant extracranial bleeding: a secondary analysis of the Aspirin in Reducing Events in the Elderly (ASPREE) Trial

ISTH Academy, , 4168954

Safety and efficacy of valoctocogene roxaparvovec with prophylactic glucocorticoids: 1-year results from the phase 3b, single-arm, open-label GENEr8-3 study

ISTH Academy, Faculty / Presenters, 4168953

Deconstructing the ISTH hemophilia guidelines for the clinician

ISTH Academy, Faculty / Presenters, 4168952

Monitoring ultralong half-life recombinant factor VIII: a product-specific calibrator is urgently needed to enable accurate measurement in all patients

ISTH Academy, Faculty / Presenters, 4168951

The timely reporting of clinical trial results answers 1 unknown for hemophilia gene therapy: no benefit of prophylactic immunosuppression

ISTH Academy, Ben Samelson-Jones, 4168950

To have and have not: adenosine triphosphate secretion from platelets needs dense granules

ISTH Academy, , 4168949

Emergent cardiac surgery, andexanet alfa–induced heparin resistance, and prothrombotic effects: coagulation chaos?

ISTH Academy, Jerrold Levy, 4168948

191 Pharmacist Empowerment, Mandatory 4T Scoring and Real-time EHR Alerts to Optimize Antithrombosis Stewardship Around Diagnosis and Management of Heparin Induced Thrombocytopenia: The Persistent Study

ISTH Academy, Faculty / Presenters, 4174063

163 Aspirin Utilization in Patients with Nonvalvular Atrial Fibrillation on Oral Anticoagulants in a Large Academic Medical Center

ISTH Academy, Faculty / Presenters, 4174067

Structural and functional changes underlying activation of monocytes in heparin-induced thrombocytopenia

ISTH Academy, Lubica Rauova, 4168960

89 Stroke Prevention in Atrial Fibrillation and Flutter - Targeting the Untreated Patients In Veterans Health Administration with a Pharmacists-Led, Multi-Center Electronic Health Record Intervention (SPAFF-TNT)

ISTH Academy, Faculty / Presenters, 4174069

132 Antithrombotic Prescribing Practices in Patients with Atrial Fibrillation Presenting with Acute Ischemic Stroke while on Oral Anticoagulation

ISTH Academy, Faculty / Presenters, 4174070

140 Impact of Amiodarone Exposure on Apixaban Pharmacokinetics in Hospitalized Patients

ISTH Academy, Faculty / Presenters, 4174071

82 Impact of Food Insecurity on Anticoagulation Quality Among Patients Receiving Warfarin at a Safety Net Academic Center

ISTH Academy, Faculty / Presenters, 4174072

149 Social Determinants of Health Barriers within an Antithrombosis Clinic

ISTH Academy, Faculty / Presenters, 4174073

68 Attributable Risk of Bleeding in Pulmonary Embolism (PE): A Comparative Study of Contemporaneous Control, Symptomatic PE, and Asymptomatic PE

ISTH Academy, Faculty / Presenters, 4174074

90 Evaluation of a Protocol For Heparin Initiation in Patients Transitioning from Oral Factor Xa Inhibitors

ISTH Academy, Faculty / Presenters, 4174075

96 The Effect of Individualized Intravenous Heparin Dosing on Activated Partial Thromboplastin Time Values in Neurocritical Care Patients

ISTH Academy, Faculty / Presenters, 4174076

98 Derivation and Validation of a Pharmacogenetic-guided Warfarin Dosing Algorithm in an Arab Population Residing in Qatar

ISTH Academy, Faculty / Presenters, 4174077

133 Argatroban Use in Therapeutic Plasma Exchange (TPE): A Case of Dynamic Anticoagulation Response

ISTH Academy, Faculty / Presenters, 4174078

61 Warfarin and GLP-1 Receptor Agonist Interaction Effects on Time in Therapeutic Range

ISTH Academy, Faculty / Presenters, 4174079

103 Assessing Anticoagulation Status of a Patient with APS Using Chromogenic Factor X Testing

ISTH Academy, Faculty / Presenters, 4174081

137 Real-World Implementation of Latex Immunoturbidimetric Platelet Factor 4 Assay for Heparin-Induced Thrombocytopenia Diagnosis at a Large Academic Medical Center

ISTH Academy, Faculty / Presenters, 4174084

158 Clinical Performance of a Novel Point-of-Care Coagulometer, the Perosphere ClotChek™, for the DOACS

ISTH Academy, Faculty / Presenters, 4174085

100 Comparison of Warfarin Time in Therapeutic Range Before and After Home Meter Enrollment

ISTH Academy, Faculty / Presenters, 4174086

102 Impact of Home Testing on INR Control and Adverse Events in Black Patients on Warfarin for Atrial Fibrillation or Venous Thromboembolsim

ISTH Academy, Faculty / Presenters, 4174087

130 Point-of-Care INR Monitoring for Patients with Antiphospholipid Syndrome

ISTH Academy, Faculty / Presenters, 4174088

139 Enhancing Warfarin Therapy Compliance and Adherence in LMICs Through POCT INR Self-Testing: A Patient-Centered Approach

ISTH Academy, Faculty / Presenters, 4174089

62 Differences in Types of Thromboses and Risk Factors in Males versus Females in Adolescent Thromboembolism in the Throm-PED Registry

ISTH Academy, Faculty / Presenters, 4174090

63 Increased Neonatal Mortality and Increasing Rate of Cerebral Venous Sinus Thrombosis in Hospitalized Children: A Pediatric Health Information System Database Study

ISTH Academy, Faculty / Presenters, 4174091

101 Parenteral Bridging Practices and Outcomes in Patients on Warfarin for Mechanical Heart Valves and Venous Thromboembolism

ISTH Academy, Faculty / Presenters, 4174092

161 Evaluation of a Pharmacist-led Perioperative Antithrombotic Management Service

ISTH Academy, Faculty / Presenters, 4174093

167 Optimizing Perioperative Anticoagulation Management: Impact of a Clinical Pharmacist Practitioner Managed Clinic on Patient Safety and Care Quality

ISTH Academy, Faculty / Presenters, 4174094

174 Peri-Procedural Warfarin Bridging Evaluation for Patients with Atrial Fibrillation Enrolled in an Anticoagulation Management Service

ISTH Academy, Faculty / Presenters, 4174095

85 Developing an Innovative Clinical Decision Support App for Enhanced Peripheral Artery Disease Management

ISTH Academy, Faculty / Presenters, 4174096

88 The Changing Landscape of Stroke Prevention in Subclinical Atrial Fibrillation and a Potential Path Forward in the Veteran Population: A Population Health Anticoagulation Stewardship Initiative

ISTH Academy, Faculty / Presenters, 4174097

147 Availability, Pricing, and Affordability of Antithrombotic Medicines in Addis Ababa, Ethiopia: Implications for Health Policy

ISTH Academy, Faculty / Presenters, 4174098

70 Evaluation of Current Outpatient DOAC Management Practices Within Trinity Health Grand Rapids

ISTH Academy, Faculty / Presenters, 4174099

80 Thrombophilia Screening in Inpatients: A Review of Testing Appropriateness and Clinical Impact in a Tertiary Hospital in Qatar

ISTH Academy, Faculty / Presenters, 4174100

83 Evolution of an Electronic Health Record-Based Alert to Optimize Venous Thromboembolism Prophylaxis

ISTH Academy, Faculty / Presenters, 4174101

84 Rural Improvements in Venous Thrombosis Treatment in Oklahoma: The RIVETT-OK Initiative

ISTH Academy, Faculty / Presenters, 4174102

99 Nonadherence to Early Discharge in Low-Risk Pulmonary Embolism: Insights from an Anticoagulation Stewardship Program in Latin America

ISTH Academy, Faculty / Presenters, 4174103

104 To Prescribe or Deprescribe: Antiplatelet Discontinuation versus Proton Pump Inhibitor (PPI) Addition in Veterans with Combined Antithrombotic Therapy

ISTH Academy, Faculty / Presenters, 4174104

141 Heparin Management - The Ultimate Goldilocks Dilemma: A Quality Improvement Project

ISTH Academy, Faculty / Presenters, 4174105

154 Parenteral Deep Vein Thrombosis (DVT) Prophylaxis Refusal

ISTH Academy, Faculty / Presenters, 4174107

92 Patient-Education Video Development and Implementation

ISTH Academy, Faculty / Presenters, 4174122

170 Creation of Patient Self-Managed Warfarin Program Within an Anticoagulation Clinic

ISTH Academy, Faculty / Presenters, 4174123

56 Analysis of Xa Levels and PTTs During the First 48 Hours of Anticoagulation with Unfractionated Heparin Infusion

ISTH Academy, Faculty / Presenters, 4174124

144 Anticoagulation in Patients with Provoked Venous Thromboembolism: A Real-World Analysis of Clinical Characteristics, Management Strategies, and Outcomes from an Outpatient Tertiary Anticoagulation Clinic in Qatar

ISTH Academy, Faculty / Presenters, 4174125

192 Evaluating the Effectiveness and Tolerability of UFH vs. LMWH for VTE Prevention in Underweight Patients: A Retrospective Cohort Study

ISTH Academy, Faculty / Presenters, 4174126

179 Direct Oral Anticoagulants in End State Renal Disease

ISTH Academy, Faculty / Presenters, 4174127

180 Elevation of D-Dimer Without Any Evidence of Venous Thromboembolism: What Is Your Interpretation?

ISTH Academy, Faculty / Presenters, 4174128

181 History of the Introduction of Direct Oral Anticoagulants and Their Mechanism of Action

ISTH Academy, Faculty / Presenters, 4174129

183 Women in Science

ISTH Academy, Faculty / Presenters, 4174130

184 Worldwide Heparin Shortage

ISTH Academy, Faculty / Presenters, 4174131

185 The Youth is our Future, and the Future is Here

ISTH Academy, Faculty / Presenters, 4174132

Anticoagulant drugs targeting factor XI/XIa and coagulation tests: we urgently need reliable pharmacodynamic data

ISTH Academy, Faculty / Presenters, 4168947

Body height and risk of venous thromboembolism in men vs women

ISTH Academy, Faculty / Presenters, 4168961

75 Comparative Effectiveness and Safety of Direct Oral Anticoagulants Compared with Warfarin in Patients with Low Bodyweight who have Atrial Fibrillation: A Systematic Review and Meta-analysis

ISTH Academy, Faculty / Presenters, 4174068