Kathleen Chiotos, MD, MSCE
Associate Professor of Anesthesiology and Critical Care at the Hospital of the University of Pennsylvania and the Children's Hospital of Philadelphia
Medical Director, Antimicrobial Stewardship Program, Children's Hospital of Philadelphia
Rotation Director, Antimicrobial Stewardship Program Elective , Children's Hospital of Philadelphia
Associate Program Director for Research and Scholarship, Pediatric Critical Care Medicine Fellowship Program, Children's Hospital of Philadelphia
Department: Anesthesiology and Critical Care
Contact information
Children's Hospital of Philadelphia
Department of Anesthesiology and Critical Care Medicine
3401 Civic Center Boulevard
Philadelphia, PA 19104-4399
Department of Anesthesiology and Critical Care Medicine
3401 Civic Center Boulevard
Philadelphia, PA 19104-4399
Education:
BS (Biology)
College of William and Mary, 2004.
MD (Medicine)
George Washington University School of Medicine, 2009.
MSCE (Clinical Epidemiology)
University of Pennsylvania, 2017.
Permanent linkBS (Biology)
College of William and Mary, 2004.
MD (Medicine)
George Washington University School of Medicine, 2009.
MSCE (Clinical Epidemiology)
University of Pennsylvania, 2017.
Selected Publications
Bhimraj A, Falck‑Ytter Y, Baden LR, Bedimo R, Cawcutt K, Cheng VCC, Chew KW, Chiotos K, Daar ES, Dzierba AL, Glidden DV, Hardy EJ, Johnson S, Kim AY, Li JZ, MacBrayne C, Martin GS, Nadig N, Nakamura MM, Pearson JC, Riley L, Shafer RW, Shoham S, Shumaker AH, Tebas P, Tien PC, Loveless J, Morgan RL, Gandhi RT: 2025 Clinical Practice Guideline Update by the Infectious Diseases Society of America on the Treatment and Management of COVID-19: Pemivibart for Pre-exposure Prophylaxis, Vilobelimab for Critical Illness, and Abatacept or Infliximab for Severe or Critical Illness. Clin Infect Dis 81(Supplment_3): i1-i5, January 2026.Nadig N, Bhimraj A, Cawcutt K, Chiotos K, Dzierba AL, Kim AY, Martin GS, Pearson JC, Shumaker AH, Baden LR, Bedimo R, Cheng VCC, Chew KW, Daar ES, Glidden DV, Hardy EJ, Johnson S, Li JZ, MacBrayne C, Nakamura MM, Riley L, Shafer RW, Shoham S, Tebas P, Tien PC, Loveless J, Falck‑Ytter Y, Morgan RL, Gandhi RT: 2025 Clinical Practice Guideline Update by the Infectious Diseases Society of America on the Treatment and Management of COVID‑19: Infliximab. Clin Infect Dis 81(Supplment_3): i22–i26, January 2026.
Bhimraj A, Falck-Ytter Y, Kim AY, Li J, Baden LR, Johnson S, Shafer RW, Shoham S, Tebas P, Bedimo R, Chi-Chung Cheng V, Chew K, Chiotos K, Daar E, Dzierba AL, Glidden DV, Hardy EJ, Martin GS, MacBrayne C, Nadig N, Nakamura MM, Shumaker AH, Tien P, Loveless J, Morgan RL, Gandhi RT: 2024 Clinical Practice Guideline Update by the Infectious Diseases Society of America on the Management of COVID-19: Anti-SARS-CoV-2 Neutralizing Antibody Pemivibart for Pre-exposure Prophylaxis. Clin Infect Dis 81(Supplment_3): i6–i12, January 2026.
Nadig N, Bhimraj A, Cawcutt K, Chiotos K, Dzierba AL, Kim AY, Martin GS, Pearson JC, Shumaker AH, Baden LR, Bedimo R, Cheng VCC, Chew KW, Daar ES, Glidden DV, Hardy EJ, Johnson S, Li JZ, MacBrayne C, Nakamura MM, Riley L, Shafer RW, Shoham S, Tebas P, Tien PC, Loveless J, Falck‑Ytter Y, Morgan RL, Gandhi RT: 2025 Clinical Practice Guideline Update by the Infectious Diseases Society of America on the Treatment and Management of COVID-19: Abatacept. Clin Infect Dis 81(Supplment_3): i17–i21, January 2026.
Nadig N, Bhimraj A, Cawcutt K, Chiotos K, Dzierba AL, Kim AY, Martin GS, Pearson JC, Shumaker AH, Baden LR, Bedimo R, Cheng VCC, Chew KW, Daar ES, Glidden DV, Hardy EJ, Johnson S, Li JZ, MacBrayne C, Nakamura MM, Riley L, Shafer RW, Shoham S, Tebas P, Tien PC, Loveless J, Falck‑Ytter Y, Morgan RL, Gandhi RT: 2025 Clinical Practice Guideline Update by the Infectious Diseases Society of America on the Treatment and Management of COVID‑19: Vilobelimab. Clin Infect Dis 81(Supplment_3): i13–i16, January 2026.
Zambrano LD, Simeone RM, Newhams MM, Payne AB, Halasa NB, Orzel-Lockwood AO, Calixte JM, Kamidani S, Crandall H, Cameron MA, Schuster JE, Maddux AB, Chiotos K, Irby K, Shein SL, Staat MA, Martin LM, Bhumbra SS, Nofziger RA, Chauhan JC, Zerr DM, Gertz SJ, Guzman-Cottrill JA, Kong M, Hume JR, Coates BM, Michelson KN, Levy ER, Bradford TT, Schwartz SP, Walker TC, Stockwell MS, Biggs A, Hogan AH, Lindsey K, Campbell AP, Randolph AG; Overcoming RSV Investigators: Nirsevimab Effectiveness Against Intensive Care Unit Admission for Respiratory Syncytial Virus in Infants – 24 States, December 2024–April 2025. MMWR Morb Mortal Wkly Rep 74(37): 580-588, November 2025.
Moore K,, Hill N, Kim S, Same R, Gerber JS, Chiotos K : Impact of Antibiotic Treatment Duration on Clinical Outcomes in Acute Mastoiditis 15th Annual International Pediatric Antimicrobial Stewardship Conference, St. Louis, MO May 2025 Notes: Poster presentation.
Balcarcel DR, Mai MV, Mehta SD, Chiotos K, Sanchez-Pinto LN, Himes BE, Yehya N.: Development and Validation of an Electronic Health Record-Based, Pediatric Acute Respiratory Distress Syndrome Subphenotype Classifier Model. Pediatr Crit Care Med 26(5), May 2025.
Srinivasan L, Cestare D, Medoro A, Rice JL, Chiotos K, Maschhoff K, Malleske D, Lorch S, Jensen E, Bamat N, Padula M, Lista R, Oluwalade B, Smith KP, Duran M, Simmons FW, Peterside I, Matthews KJ, Gibbs K. : Reducing Uninformative Respiratory Cultures in the Neonatal/Infant Intensive Care Unit. Pediatric Academic Societies 2025, Honolulu, HI Apr 2025 Notes: Poster presentation.
Chiotos K, Gerber J, Arroyo T, Tapper D, Patel A, Cowden L, Tolomeo P, Lautenbach E, Tarafdar S, Lin R, Kelly B. : High prevalence of multidrug resistant organisms in a pediatric post-acute care unit Society for Healthcare Epidemiology of America Spring Conference 2025, Orlando, FL Apr 2025.