PECARN Rule in diagnostic process of pediatric patients with minor head trauma in emergency department

Alessandro Gambacorta1, Marianna Moro2, Antonietta Curatola1

  • 1Dipartimento Di Pediatria, Fondazione Policlinico Universitario "Agostino Gemelli", IRCCS, Università Cattolica del Sacro Cuore, Rome, Italy.

Insights

The PECARN Rule (PR) safely identifies children with traumatic brain injury, reducing unnecessary CT scans by 29%. This guideline helps avoid radiation exposure in pediatric head injury cases.

Area of Science:

  • Pediatric Emergency Medicine
  • Radiology
  • Neurotrauma

Background:

  • CT scans are crucial for diagnosing intracranial pathology in pediatric head injuries but pose a carcinogenic risk.
  • The PECARN Rule aids clinicians in identifying children with clinically important traumatic brain injuries (ciTBI) to minimize radiation exposure.

Purpose of the Study:

  • To evaluate the effectiveness of the PECARN Rule (PR) in reducing radiological investigations for children with mild traumatic head injuries.
  • To compare the PR's efficacy against current clinical practices in pediatric head trauma management.

Main Methods:

  • A retrospective study analyzed data from 3832 children under 18 with head trauma and GCS ≥ 14, admitted between July 2015 and June 2020.
  • The PECARN Rule was retrospectively applied to all enrolled patients.
  • Patients were stratified into two age groups: ≥ 2 years (2613) and < 2 years (1219).

Main Results:

  • The study identified 10 ciTBI cases in children ≥ 2 years and 3 ciTBI cases in children < 2 years.
  • Retrospective application of the PR indicated a potential 29% reduction in CT scans (139 in older children, 23 in younger children).
  • No patient with ciTBI would have been discharged without appropriate diagnosis under the PR's guidance.

Conclusions:

  • The PECARN Rule demonstrated 100% sensitivity in identifying ciTBI in both age groups within the study setting.
  • The PR is safe and valid, theoretically reducing CT scans by 29% and preventing unnecessary radiation exposure in low-risk pediatric head injury patients.