Robert H Bonow1,2, Assaf P Oron3, Brian W Hanak1, Samuel R Browd1, Randall M Chesnut1,2, Richard G Ellenbogen1, Monica S Vavilala2,4, Frederick P Rivara2,5. 1. Department of Neurological Surgery, University of Washington, Seattle, Washington. 2. Harborview Injury Prevention Research Center, Harborview Medical Center, Seattle, Washington. 3. Center for Clinical and Translational Research, Seattle Children's Research Institute, Seattle, Washington. 4. Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, Washington. 5. Department of Pediatrics, University of Washington, Seattle, Washington.
Abstract
BACKGROUND: Post-traumatic hydrocephalus (PTH) is a potentially treatable cause of poor recovery from traumatic brain injury (TBI) that remains poorly understood, particularly among children. OBJECTIVE: To better understand the risk factors for pediatric PTH using a large, multi-institutional database. METHODS: We conducted a retrospective cohort study using administrative data from 42 pediatric hospitals participating in the Pediatric Health Information System. All patients ≤21 yr surviving a hospitalization with an International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) code for TBI were identified. The primary outcome was PTH, defined by an ICD-9-CM procedure code for surgical management of hydrocephalus within 6 mo. Data were analyzed using multivariable logistic regression. RESULTS: We identified 91 583 patients ≤21 yr with TBI, 846 of whom developed PTH. Odds of PTH were significantly higher in children <1 yr compared to older age groups. A total of 48.7% of PTH cases were victims of abuse (adjusted odds ratio [aOR] 2.62, 95% confidence interval [CI] 2.16-3.18). PTH was more common after craniotomy (aOR 1.60, 95% CI 1.30-1.97). Craniectomy without early cranioplasty was associated with markedly increased odds of PTH (aOR 3.67, 95% CI 2.66-5.07), an effect not seen in those undergoing cranioplasty within 30 d (aOR 1.19, 95% CI 0.75-1.89). CONCLUSION: PTH was seen in 0.9% of children who sustained a TBI and was more common in those <1 yr. Severe injury, abuse, and craniectomy with delayed cranioplasty were associated with greatly increased likelihood of PTH. Early cranioplasty in children who require craniectomy may reduce the risk for PTH.
BACKGROUND: Post-traumatic hydrocephalus (PTH) is a potentially treatable cause of poor recovery from traumatic brain injury (TBI) that remains poorly understood, particularly among children. OBJECTIVE: To better understand the risk factors for pediatric PTH using a large, multi-institutional database. METHODS: We conducted a retrospective cohort study using administrative data from 42 pediatric hospitals participating in the Pediatric Health Information System. All patients ≤21 yr surviving a hospitalization with an International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) code for TBI were identified. The primary outcome was PTH, defined by an ICD-9-CM procedure code for surgical management of hydrocephalus within 6 mo. Data were analyzed using multivariable logistic regression. RESULTS: We identified 91 583 patients ≤21 yr with TBI, 846 of whom developed PTH. Odds of PTH were significantly higher in children <1 yr compared to older age groups. A total of 48.7% of PTH cases were victims of abuse (adjusted odds ratio [aOR] 2.62, 95% confidence interval [CI] 2.16-3.18). PTH was more common after craniotomy (aOR 1.60, 95% CI 1.30-1.97). Craniectomy without early cranioplasty was associated with markedly increased odds of PTH (aOR 3.67, 95% CI 2.66-5.07), an effect not seen in those undergoing cranioplasty within 30 d (aOR 1.19, 95% CI 0.75-1.89). CONCLUSION: PTH was seen in 0.9% of children who sustained a TBI and was more common in those <1 yr. Severe injury, abuse, and craniectomy with delayed cranioplasty were associated with greatly increased likelihood of PTH. Early cranioplasty in children who require craniectomy may reduce the risk for PTH.
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