Riten Kumar, MD, MSc
Director, Thrombosis and Anticoagulation Program
Associate Professor of Pediatrics, Harvard Medical School
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Riten Kumar, MD, MSc
Director, Thrombosis and Anticoagulation Program
Associate Professor of Pediatrics, Harvard Medical School
Medical Services
Languages
English
Bengali
Hindi
Education
Medical School
Medical College and Hospital, Kolkata / Calcutta Medical College
2004
Kolkata
India
Residency
SUNY Downstate College of Medicine
2008
Brooklyn
NY
Graduate School
MS, Clinical and Translational Science
Mayo Clinic School of Graduate Medical Education
2011
Rochester
MN
Fellowship
Pediatric Hematology/Oncology
Mayo Clinic
2011
Rochester
MN
Fellowship
Pediatric Thrombosis/Hemostasis
The Hospital for Sick Children
2013
Toronto, Ontario
Canada
Certifications
American Board of Pediatrics (General)
American Board of Pediatrics (Hematology-Oncology)
Professional History
Dr. Riten Kumar is the clinical director of the Thrombosis and Anticoagulation Program at Dana-Farber/Boston Children's Cancer and Blood Disorders Center. Dr. Kumar received his medical degree from Calcutta Medical College in India. He then completed his pediatric residency at State University of New York. He finished his pediatric hematology-oncology fellowship at the Mayo Clinic in Minnesota while also earning his Master's in Clinical and Translational Science from the Mayo School of Graduate Medical Education. In 2013, he completed a second fellowship in Pediatric Thrombosis and Hemostasis at the Hospital for Sick Children, University of Toronto in Canada.
Publications
Frequency of, and Prognostic Factors for, Residual Thrombosis and Complete Veno-Occlusion Following Anticoagulation for Provoked Venous Thromboembolism (VTE) in Patients <21 years: Findings from the Kids-DOTT Multinational Trial. View Abstract
Efficacy and Safety of Thrombolysis for Pediatric Venous Thromboembolism: A Systematic Review and Meta-analysis. View Abstract
American Society of Hematology/International Society on Thrombosis and Haemostasis 2024 updated guidelines for treatment of venous thromboembolism in pediatric patients. View Abstract
Extended-phase anticoagulant treatment of acute venous thromboembolism in children: a cohort study from the EINSTEIN-Jr phase 3 trial. View Abstract
The Functional Characterization of Venous Thromboembolic Disease (FUVID) study: rationale, design, and methods of a prospective, observational, multicenter study to evaluate mechanisms of exercise intolerance and dyspnea following pediatric pulmonary embolism. View Abstract
Pancreatitis-associated thrombotic microangiopathic hematolytic anemia with thrombocytopenia in a child. View Abstract
Trends in the Diagnosis of Pediatric Venous Thromboembolism and Arterial Ischemic Stroke during the COVID-19 Pandemic: An Administrative Database Study. View Abstract
Venous thromboembolism in transgender and gender non-binary youth is rare and occurs in the setting of secondary risk factors: A retrospective cohort study. View Abstract
A novel heterozygous frameshift c.277del p.Thr93Leufs*21 mutation in SERPINC1 associated with type 1 antithrombin deficiency. View Abstract
Improving Anticoagulation Care for Pediatric Oncology Patients: A Quality Improvement Initiative. View Abstract
Efficacy and safety of antithrombin supplementation in neonates and infants on a continuous heparin infusion. View Abstract
Clinical decision support to enhance venous thromboembolism pharmacoprophylaxis prescribing for pediatric inpatients with COVID-19. View Abstract
Thrombotic complications in children with Coronavirus disease 2019 and Multisystem Inflammatory Syndrome of Childhood. View Abstract
Impact of SERPINC1 mutation on thrombotic phenotype in children with congenital antithrombin deficiency-first analysis of the International Society on Thrombosis and Haemostasis pediatric antithrombin deficiency database and biorepository. View Abstract
Current practices in pediatric hospital-acquired thromboembolism: Survey of the Children's Hospital Acquired Thrombosis (CHAT) Consortium. View Abstract
Improving guideline-concordant thromboprophylaxis prescribing for children admitted to hospital with COVID-19. View Abstract
Hemostatic and Thrombotic Considerations in the Diagnosis and Management of Childhood Arterial Ischemic Stroke: A Narrative Review. View Abstract
High Rate of Venous Thromboembolism in Severe Pediatric Intestinal Failure. View Abstract
Moderate-intensity aerobic exercise vs desmopressin in adolescent males with mild hemophilia A: a randomized trial. View Abstract
Appendix to the Society of Interventional Radiology Consensus Guidelines for the Periprocedural Management of Thrombotic and Bleeding Risk in Patients Undergoing Percutaneous Image-Guided Interventions: Pediatric Considerations. View Abstract
Illustrated State-of-the-Art Capsules of the ISTH 2022 Congress. View Abstract
Venous thromboembolism in pediatric patients with sickle cell disease: A north American survey on experience and management approaches of pediatric hematologists. View Abstract
A Review of Venous Thromboembolism Risk Assessment and Prophylaxis in Plastic Surgery. View Abstract
Venous thoracic outlet syndrome and Paget-Schroetter syndrome. View Abstract
Acute Management of High-Risk and Intermediate-Risk Pulmonary Embolism in Children: A Review. View Abstract
Rate of thrombosis in children and adolescents hospitalized with COVID-19 or MIS-C. View Abstract
Bleeding Severity and Phenotype in 22q11.2 Deletion Syndrome-A Cross-Sectional Investigation. View Abstract
Unfractionated heparin using actual body weight without dose capping in obese pediatric patients-Subgroup analysis from an observational cohort study. View Abstract
Safety and efficacy of rivaroxaban in pediatric cerebral venous thrombosis (EINSTEIN-Jr CVT). View Abstract
Venous thromboembolism in children with central nervous system tumors: Comparison of an institutional cohort to a national administrative database. View Abstract
Fibrinogen Columbus III: A novel c.963del frameshift mutation in the FGG gene resulting in hypofibrinogenemia with a bleeding phenotype. View Abstract
Rivaroxaban for treatment of pediatric venous thromboembolism. An Einstein-Jr phase 3 dose-exposure-response evaluation. View Abstract
Catheter-directed thrombolysis for submassive pulmonary embolism in children: A case series. View Abstract
Rivaroxaban compared with standard anticoagulants for the treatment of acute venous thromboembolism in children: a randomised, controlled, phase 3 trial. View Abstract
Popliteal Artery Entrapment Syndrome Presenting with Critical Limb Ischemia in an Adolescent. View Abstract
Bodyweight-adjusted rivaroxaban for children with venous thromboembolism (EINSTEIN-Jr): results from three multicentre, single-arm, phase 2 studies. View Abstract
Fibrinogen Columbus II: A novel c.1075G>T mutation in the FGG gene causing hypodysfibrinogenemia and thrombosis in an adolescent male. View Abstract
Valproic Acid-Induced Coagulopathy. View Abstract
Anti-Factor Xa-Based Monitoring of Unfractionated Heparin: Clinical Outcomes in a Pediatric Cohort. View Abstract
Impact of erythrocytapheresis on natural anticoagulant levels in children with sickle cell disease: A pilot study. View Abstract
Treatment-Related Outcomes in Paget-Schroetter Syndrome-A Cross-Sectional Investigation. View Abstract
Klinefelter syndrome as a risk factor for recurrent deep vein thrombosis in an adolescent male: Significance of a thorough physical examination. View Abstract
Venous Thromboembolism in Children with Sickle Cell Disease: A Retrospective Cohort Study. View Abstract
Prevalence and risk factors for venous thromboembolism in children with sickle cell disease: an administrative database study. View Abstract
Risk Factors for Neonatal Venous and Arterial Thromboembolism in the Neonatal Intensive Care Unit-A Case Control Study. View Abstract
Mesoaortic compression of a left-sided inferior vena-cava presenting as recurrent pulmonary embolism in a child-a novel anatomic thrombophilia? View Abstract
Venous Thromboembolism in Pediatric Hematopoietic Cell Transplant: A Multicenter Cohort Study. View Abstract
Activated Partial Thromboplastin Time versus Anti-Factor Xa Levels for Monitoring Unfractionated Heparin Therapy in Children: An Institutional Experience. View Abstract
Thrombosis of the Abdominal Veins in Childhood. View Abstract
Inferior vena cava atresia predisposing to acute lower extremity deep vein thrombosis in children: A descriptive dual-center study. View Abstract
Arterial Ischemic Stroke in Children and Young Adults. View Abstract
Thrombocytopenia Pitfalls: Misdiagnosing Type 2B von Willebrand Disease as Ethylenediaminetetraacetic Acid-Dependent Pseudothrombocytopenia. View Abstract
Molecular structural analysis of a novel and de-novo mutation in the SERPINC1 gene associated with type 1 antithrombin deficiency. View Abstract
Impact of aerobic exercise on haemostatic indices in paediatric patients with haemophilia. View Abstract
Changing Paradigm of Hemophilia Management: Extended Half-Life Factor Concentrates and Gene Therapy. View Abstract
aPTT in children receiving UFH: time for a change? View Abstract
c.1058C>T variant in the SERPINC1 gene is pathogenic for antithrombin deficiency. View Abstract
Prevalence and risk factors for post thrombotic syndrome after deep vein thrombosis in children: a cohort study. View Abstract
Rare presentations of primary melanoma and special populations: a systematic review. View Abstract
Clinical presentation and molecular basis of congenital antithrombin deficiency in children: a cohort study. View Abstract
Health-related quality of life in children and young adults with post-thrombotic syndrome: results from a cross-sectional study. View Abstract
Inherited abnormalities of coagulation: hemophilia, von Willebrand disease, and beyond. View Abstract
Congenital thrombocytopenia: clinical manifestations, laboratory abnormalities, and molecular defects of a heterogeneous group of conditions. View Abstract
Consequences of delayed therapy for sports-related bleeds in patients with mild-to-moderate haemophilia and type 3 von Willebrand's disease not on prophylaxis. View Abstract
A novel mutation in the SerpinC1 gene presenting as unprovoked neonatal cerebral sinus venous thrombosis in a kindred. View Abstract
Treatment of Hodgkin's lymphoma in a patient with type III von Willebrand's disease. View Abstract
Pretransplant conditioning with Campath-1H (alemtuzumab) in pediatric matched unrelated hematopoietic stem cell transplants: an institutional experience. View Abstract
Development and initial validation of a questionnaire to diagnose the presence and severity of post-thrombotic syndrome in children. View Abstract
Postradiation dermatofibrosarcoma protuberans in a patient with Wilms tumor. View Abstract
Rituximab in combination with multiagent chemotherapy for pediatric follicular lymphoma. View Abstract
Pelvic pseudotumor and pseudoaneurysm in a pediatric patient with moderate hemophilia B: successful management with arterial embolization and surgical excision. View Abstract
Pediatric histiocytic sarcoma clonally related to precursor B-cell acute lymphoblastic leukemia with homozygous deletion of CDKN2A encoding p16INK4A. View Abstract
Successful treatment of a child with T/myeloid acute bilineal leukemia associated with TLX3/BCL11B fusion and 9q deletion. View Abstract
A short course of prednisone in the management of acute chest syndrome of sickle cell disease. View Abstract
A severe case of acute generalized exanthematous pustulosis (AGEP) in a child after the administration of amoxicillin-clavulanic acid: brief report. View Abstract
Non-catheter related internal jugular vein thrombosis in a patient with severe haemophilia A. View Abstract