Validation of Prediction Rules for Computed Tomography Use in Children With Blunt Abdominal or Blunt Head Trauma: Protocol for a Prospective Multicenter Observational Cohort Study

Irma T Ugalde   ^{1 *} , MD ;   Pradip P Chaudhari   ^{2 *} , MD ;   Mohamed Badawy   ³ , MD ;   Paul Ishimine   ⁴ , MD ;   Kevan A McCarten-Gibbs   ⁵ , MD ;   Kenneth Yen   ³ , MD, MS ;   Nisa S Atigapramoj   ⁵ , MD ;   Allyson Sage   ⁶ , RN, MPH ;   Donovan Nielsen   ⁶ , BA ;   P David Adelson   ⁷ , MD ;   Jeffrey Upperman   ⁸ , MD ;   Daniel Tancredi   ⁹ , PhD ;   Nathan Kuppermann   ^{6 *} , MD, MPH ;   James F Holmes   ^{6 *} , MD, MPH

¹ Department of Emergency Medicine, Children's Memorial Hermann Hospital, McGovern Medical School at UTHealth Houston, Houston, TX, United States

² Division of Emergency and Transport Medicine, Children's Hospital Los Angeles, Keck School of Medicine of the University of Southern California, Los Angeles, CA, United States

³ Department of Pediatrics, University of Texas Southwestern, Dallas, TX, United States

⁴ Department of Emergency Medicine and Pediatrics, University of California San Diego School of Medicine, Rady Children's Hospital, San Diego, CA, United States

⁵ Department of Emergency Medicine, University of California San Francisco Benioff Children's Hospital, Oakland, CA, United States

⁶ Department of Emergency Medicine, University of California Davis School of Medicine, Sacramento, CA, United States

⁷ Barrow Neurological Institute of Phoenix Children's Hospital, Department of Child Health, Division of Pediatric Neurosurgery, University of Arizona College of Medicine, Phoenix, AZ, United States

⁸ Department of Pediatric Surgery, Monroe Carell Jr. Children's Hospital, Vanderbilt University School of Medicine, Nashville, TN, United States

⁹ Department of Pediatrics, University of California Davis School of Medicine, Sacramento, CA, United States

*these authors contributed equally