CharMWitmerMD

PubMed

• A case-control study of bleeding risk in children with 22q11.2 deletion syndrome undergoing cardiac surgery.
  Crowley, T., Campbell, I., Arulselvan, A., Friedman, D., Gaynor, J., McDonald-McGinn, D., Zackai, E., Geoffrion, T., Witmer, C., Lambert, M.> ;Platelets. 2024 Dec 1
• Description of a national, multi-center registry of patients with sickle cell disease and SARS-CoV-2 infection: Data from the Pediatric COVID-19 United States Registry.
  Aleksandra S Dain, Caroline Diorio, Brian T Fisher, Jane S Hankins, Char M Witmer, Mickael Boustany, Madeline Burton, Jose Ferrolino, Salma Sadaf, Hailey S Ross, Gabri...> ;Pediatric Blood & Cancer. 2024 Mar 12
• Sports participation in chronic immune thrombocytopenia: Safer than you thought?
  Char M Witmer, Michele P Lambert> ;Pediatric Blood & Cancer. 2023 Dec 1
• Outcomes in infants with unprovoked venous thromboembolism: A retrospective cohort study.
  Hilary Whitworth, Lauren A Beslow, Rebecca A Hubbard, Charles E Leonard, Rebecca Scobell, Char Witmer, Leslie Raffini> ;Research and Practice in Thrombosis and Haemostasis. 2023 May 1
• 3 citations
  High rate of recurrent venous thromboembolism in children and adolescents with unprovoked venous thromboembolism.
  Hilary Whitworth, Helen Havens Clark, Rebecca A Hubbard, Char Witmer, Charles E Leonard, Leslie Raffini> ;Journal of Thrombosis and Haemostasis. 2023 Jan 1
• 7 citations
  Hematologic abnormalities in Aicardi Goutières Syndrome.
  Bronner, N., Laura A Adang, Francesco Gavazzi, Russell D'Aiello, David Isaacs, Nowa Bronner, Zehra Serap Arici, Zaida Flores, Amanda Jan, Carly Scher, Omar Sherbini, E...> ;Molecular Genetics and Metabolism. 2022 Aug 1
• 35 citations
  The Continued Rise of Venous Thromboembolism Across US Children's Hospitals.
  Sarah H O'Brien, Joseph R Stanek, Char M Witmer, Leslie Raffini> ;Pediatrics. 2022 Mar 1
• 4 citations
  The ASH-ASPHO Choosing Wisely Campaign: 5 hematologic tests and treatments to question.
  Sarah H O'Brien, Sherif M Badawy, Seth J Rotz, Mona D Shah, Julie Makarski, Rachel S Bercovitz, Mary-Jane S Hogan, Lori Luchtman-Jones, Julie A Panepinto, Ginna M Prio...> ;Blood Advances. 2022 Jan 25
• 7 citations
  Prevention of Recurrent Thrombotic Events in Children with Central Venous Catheter-Associated Venous Thrombosis.
  Helen Havens Clark, Lance Ballester, Hilary B. Whitworth, Leslie Raffini, Char Witmer> ;Blood. 2021 Nov 2
• 10 citations
  The ASH-ASPHO Choosing Wisely Campaign: 5 hematologic tests and treatments to question.
  Sarah H. O'Brien, Sherif M. Badawy, Seth J. Rotz, Mona D. Shah, Julie Makarski, Rachel S. Bercovitz, Mary Jane Staba Hogan, Lori Luchtman-Jones, Julie A. Panepinto, Gi...> ;Pediatric Blood & Cancer. 2021 Aug 1
• 7 citations
  Recurrence of a high-titre factor VIII inhibitor in a haemophilia A patient on emicizumab prophylaxis.
  Bhavya S. Doshi, Char Witmer> ;Haemophilia. 2021 Apr 18
• 84 citations
  Evidence of thrombotic microangiopathy in children with SARS-CoV-2 across the spectrum of clinical presentations.
  Caroline Diorio, Kevin O McNerney, Michele P. Lambert, Michele Paessler, Elizabeth M. Anderson, Sarah E. Henrickson, Julie Chase, Emily J. Liebling, Chakkapong Burudpa...> ;Blood Advances. 2020 Dec 8
• 7 citations
  Utilization of an Electronic Medical Record-integrated Dashboard Improves Identification and Treatment of Anemia and Iron Deficiency in Pediatric Inflammatory Bowel Di...
  Jessica Breton, Char Witmer, Yuchen Zhang, Maura Downing, Jamie Stevenson, Janine McDermott, Shazia M. Siddique, Andrew B. Grossman> ;Inflammatory Bowel Diseases. 2021 Aug 19
• 5 citations
  Extreme thrombocytosis is associated with critical illness and young age, but not increased thrombotic risk, in hospitalized pediatric patients
  Christopher S. Thom, Emily Echevarria, Ashley D Osborne, Leah H. Carr, Kathryn M. Rubey, Elizabeth Salazar, Danielle Callaway, Thomas Pawlowski, Matthew Devine, Stacey...> ;Journal of Thrombosis and Haemostasis. 2020 Oct 21
• 17 citations
  The Impact of Extended Half‐Life Factor Concentrates on Prophylaxis for Severe Hemophilia in The United States
  Lynn M. Malec, Dunlei Cheng, Char Witmer, Julie Jaffray, Peter A. Kouides, Kristina M. Haley, Robert F. Sidonio, Kelsey Johnson, Michael Recht, Gilbert C. White, Stacy...> ;American Journal of Hematology. 2020 Aug 1
• 20 citations
  Treatment of venous thromboembolism in pediatric patients.
  Char Witmer, Leslie Raffini> ;Blood. 2020 Jan 30
• 39 citations
  Peripherally inserted central catheters lead to a high risk of venous thromboembolism in children.
  Julie Jaffray, Char Witmer, Sarah H. O'Brien, Rosa Diaz, Lingyun Ji, Guy Young> ;Blood. 2020 Jan 16
• 12 citations
  Utility of repeat testing in the evaluation for von Willebrand disease in pediatric patients
  Bhavya S. Doshi, Rachel Rogers, Hilary B. Whitworth, Emily A. Stabnick, Jessica Britton, Regina Butler, Amrom E. Obstfeld, Char Witmer> ;Journal of Thrombosis and Haemostasis. 2019 Nov 1
• 10 citations
  Primary thromboprophylaxis in hospitalized children: A multi-center retrospective analysis.
  Lauren E Amos, Michael Silvey, Matthew Hall, Char Witmer, Shannon L. Carpenter> ;Thrombosis Research. 2019 Apr 1
• 5 citations
  How I approach managing student athletes at risk for bleeding.
  Char Witmer> ;Pediatric Blood & Cancer. 2019 Feb 1
• 25 citations
  Utility of the immature platelet fraction in pediatric immune thrombocytopenia: Differentiating from bone marrow failure and predicting bleeding risk
  Alicia McDonnell, Karen L. Bride, Derick Lim, Michele Paessler, Char Witmer, Michele P. Lambert> ;Pediatric Blood & Cancer. 2018 Feb 1
• 4 citations
  Spontaneous Subclavian Vein Thrombosis in a Healthy Adolescent Cheerleader: A Case of Paget-Schroetter Syndrome.
  Andrew S. Chu, Julia Harkness, Char Witmer> ;Pediatric Emergency Care. 2017 Oct 1
• 29 citations
  Pediatric Hospital Acquired Venous Thromboembolism
  Char Witmer, Clifford M. Takemoto> ;Frontiers in Pediatrics. 2017 Sep 19
• 16 citations
  The use of natural language processing on pediatric diagnostic radiology reports in the electronic health record to identify deep venous thrombosis in children.
  Jorge A. Gálvez, Janine Pappas, Luis M. Ahumada, John N. Martin, Allan F. Simpao, Mohamed A. Rehman, Char Witmer> ;Journal of Thrombosis and Thrombolysis. 2017 Oct 1
• 3 citations
  Behcet Disease Initially Presenting as Deep Venous Thrombosis: A Case Report.
  Arun Gurunathan, David T. Teachey, Kudakwashe R. Chikwava, Char Witmer, Ami V. Desai> ;Journal of Pediatric Hematology/oncology. 2017 Jul 1
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Journal Articles

• The Use of Natural Language Processing on Pediatric Diagnostic Radiology Reports in the Electronic Health Record to Identify Deep Venous Thrombosis in Children  
  Char Witmer, Allan F Simpao, Mohamed A Rehman, Jorge A Galvez, Journal of Thrombosis and Thrombolysis

Lectures

• Peripherally Inserted Central Catheters (PICCs), the Leading Cause of Central Venous Catheter Associated Thrombosis in Children 
  2018 ASH Annual Meeting - San Diego, CA - 12/1/2018
• Real World Use of Extended Half-Life Products and the Impact on Bleeding Events and Joint Health in the United States 
  2018 ASH Annual Meeting - San Diego, CA - 12/1/2018