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Comparing Prognostic Value of the Pediatric Glasgow Coma Scale and the Glasgow Coma Scale – Pupils Score in Pediatric Traumatic Brain Injury

J Trauma Nurs. 2025 Sep 30. doi: 10.1097/JTN.0000000000000884. Online ahead of print.

ABSTRACT

BACKGROUND: The Glasgow Coma Scale has been a standard tool for assessing consciousness in trauma patients for five decades, but its utility is limited by the omission of brainstem reflexes such as pupillary response.

OBJECTIVE: This study aimed to compare the prognostic accuracy of the Pediatric Glasgow Coma Scale (pGCS) and the Pediatric Glasgow Coma Scale – Pupils Score (pGCS-P) in predicting mortality and functional outcomes among pediatric patients with traumatic brain injury (TBI).

METHODS: This single-center observational cohort study was conducted from May 2022 to May 2023 at Bursa Training and Research Hospital, Health Sciences University, Turkey. Pediatric patients (age <18 years) presenting with TBI were evaluated for level of consciousness and pupillary responses on admission. Both the pGCS and pGCS-P scores were calculated for each patient. For patients with anisocoria but preserved light reflexes in both pupils, scoring adjustments were made.

RESULTS: Of the 134 patients studied, 59.7% were male, and the mean (SD) age was 6.3 (5.4) years. In-hospital mortality was 12.7%, and 5.1% had unfavorable functional outcomes (UFOs) at discharge. Both the pGCS-P and pGCS demonstrated excellent ability to predict mortality (AUC, 0.97, 95% CI: 0.94-0.99 and 0.97, 95% CI: 0.94-0.96, respectively). There was no statistically significant difference in prognostic performance between the two scores using either binomial (p = .165) or nonparametric (p = .445) analyses (p >.05).

CONCLUSIONS: In pediatric patients with TBI, the prognostic accuracy of the pGCS with pupil response (pGCS-P) was comparable to that of the pGCS alone for predicting mortality and UFOs. Incorporation of the pupil score did not significantly improve prognostic discrimination in this cohort.

PMID:41056536 | DOI:10.1097/JTN.0000000000000884

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