Ashley D Freeman1, Caitlin A Fitzgerald2, Katherine J Baxter3, Lucas P Neff4, Courtney E McCracken5, Leah N Bryan6, Jill L Morsberger7, Arslan M Zahid8, Matthew T Santore9. 1. Emory University School of Medicine, 100 Woodruff Circle, Atlanta, GA 30322, United States; Children's Healthcare of Atlanta, Egleston Campus, 1405 Clifton Rd NE, Atlanta, GA 30322, Unites States. Electronic address: ashley.freeman@choa.org. 2. Emory University School of Medicine, 100 Woodruff Circle, Atlanta, GA 30322, United States. Electronic address: cafitzg@emory.edu. 3. Emory University School of Medicine, 100 Woodruff Circle, Atlanta, GA 30322, United States. Electronic address: kmccurd@emory.edu. 4. Emory University School of Medicine, 100 Woodruff Circle, Atlanta, GA 30322, United States; Children's Healthcare of Atlanta, Egleston Campus, 1405 Clifton Rd NE, Atlanta, GA 30322, Unites States. Electronic address: lpneff@wakehealth.edu. 5. Emory University School of Medicine, 100 Woodruff Circle, Atlanta, GA 30322, United States; Children's Healthcare of Atlanta, Egleston Campus, 1405 Clifton Rd NE, Atlanta, GA 30322, Unites States. Electronic address: courtney.mccracken@emory.edu. 6. Emory University School of Medicine, 100 Woodruff Circle, Atlanta, GA 30322, United States; Children's Healthcare of Atlanta, Egleston Campus, 1405 Clifton Rd NE, Atlanta, GA 30322, Unites States. Electronic address: lbn4@cdc.gov. 7. Emory University School of Medicine, 100 Woodruff Circle, Atlanta, GA 30322, United States. Electronic address: morsberj@gmail.com. 8. Emory University School of Medicine, 100 Woodruff Circle, Atlanta, GA 30322, United States. Electronic address: arslan.zahid@emory.edu. 9. Emory University School of Medicine, 100 Woodruff Circle, Atlanta, GA 30322, United States; Children's Healthcare of Atlanta, Egleston Campus, 1405 Clifton Rd NE, Atlanta, GA 30322, Unites States. Electronic address: matthew.santore@choa.org.
Abstract
BACKGROUND: Adults with traumatic brain injury (TBI) who present hypertensive suffer worse outcomes and increased mortality compared to normotensive patients. The purpose of this study is to determine if age-adjusted hypertension on presentation is associated with worsened outcomes in pediatric TBI. METHODS: A retrospective chart review was conducted on pediatric patients with severe TBI admitted to a single system pediatric tertiary care center. The primary outcome was mortality. Secondary outcomes included length of stay, need for neurosurgical intervention, duration of mechanical ventilation, and the need for inpatient rehabilitation. RESULTS: Of 150 patients, 70% were hypertensive and 30% were normotensive on presentation. Comparing both groups, no statistically significant differences were noted in mortality (13.3% for both groups), need for neurosurgical intervention (51.4% vs 48.8%, p = 0.776), length of stay (6 vs 8 days, p = 0.732), duration of mechanical ventilation (2 vs 3 days, p = 0.912), or inpatient rehabilitation rates (48.6% vs 48.9%, p = 0.972). In comparing just the hypertensive patients, there was a trend toward increased mortality in the 95th and 99th percentile groups at 15.8% and 14.1%, versus the 90th percentile group at 6.7% but the difference was not statistically significant (p = 0.701). CONCLUSIONS: Contrary to the adult literature, pediatric patients with severe TBI and hypertension on presentation do not appear to have worsened outcomes compared to those who are normotensive. However, a trend toward increased mortality did exist at extremes of age adjusted hypertension. Larger scale studies are needed to validate these findings. STUDY TYPE: Retrospective cohort study LEVEL OF EVIDENCE: III.
BACKGROUND: Adults with traumatic brain injury (TBI) who present hypertensive suffer worse outcomes and increased mortality compared to normotensive patients. The purpose of this study is to determine if age-adjusted hypertension on presentation is associated with worsened outcomes in pediatric TBI. METHODS: A retrospective chart review was conducted on pediatric patients with severe TBI admitted to a single system pediatric tertiary care center. The primary outcome was mortality. Secondary outcomes included length of stay, need for neurosurgical intervention, duration of mechanical ventilation, and the need for inpatient rehabilitation. RESULTS: Of 150 patients, 70% were hypertensive and 30% were normotensive on presentation. Comparing both groups, no statistically significant differences were noted in mortality (13.3% for both groups), need for neurosurgical intervention (51.4% vs 48.8%, p = 0.776), length of stay (6 vs 8 days, p = 0.732), duration of mechanical ventilation (2 vs 3 days, p = 0.912), or inpatient rehabilitation rates (48.6% vs 48.9%, p = 0.972). In comparing just the hypertensivepatients, there was a trend toward increased mortality in the 95th and 99th percentile groups at 15.8% and 14.1%, versus the 90th percentile group at 6.7% but the difference was not statistically significant (p = 0.701). CONCLUSIONS: Contrary to the adult literature, pediatric patients with severe TBI and hypertension on presentation do not appear to have worsened outcomes compared to those who are normotensive. However, a trend toward increased mortality did exist at extremes of age adjusted hypertension. Larger scale studies are needed to validate these findings. STUDY TYPE: Retrospective cohort study LEVEL OF EVIDENCE: III.
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