Ronak Ved1, Rebecca Fraser2, Sarah Hamadneh2, Malik Zaben2, Paul Leach2. 1. Department of Neurosurgery, University Hospital Wales, 4th Floor, Heath Park Way, Cardiff, CF14 4XW, UK. vedr@cardiff.ac.uk. 2. Department of Neurosurgery, University Hospital Wales, 4th Floor, Heath Park Way, Cardiff, CF14 4XW, UK.
Abstract
INTRODUCTION: Predictive factors for post-traumatic hydrocephalus (PTH) in adults have been elucidated but remain uncertain for children. We aimed to identify the prevalence of PTH in paediatric patients and identify clinical/radiological factors which may increase the probability of children developing PTH. METHODS: This was a retrospective study of all patients < 16 years old admitted to our unit with traumatic brain injury (TBI) between March 2013 and June 2018, 108 patients in total. Patients were classified as mild (13-15), moderate (9-12) or severe (3-8) TBI based on admission GCS. Three independent reviewers collected data from case notes. CT scans were reviewed for hydrocephalus using Evan's index. Two-tailed Fisher's exact tests with a p value < 0.05 were considered statistically significant. RESULTS: Median patient age was 7 years, and 65% were males (n = 70). PTH wasn't identified in any patients with mild/moderate TBI (n = 79). In cases of severe TBI (n = 29), three patients developed PTH requiring ventriculoperitoneal shunting (10%; p = 0.02). Radiological features which were significantly more common in the PTH group were intraventricular haemorrhage (p = 0.05) and subarachnoid haemorrhage (p = 0.03). There was also a trend towards a statistically significant association with subdural haematoma (p = 0.07). The need for other neurosurgical procedures, such as fracture elevation and craniotomy, did not increase the probability of developing with PTH (p = 0.08). DISCUSSION: The prevalence of PTH in our study is 2.7%. Factors which may be associated with a higher probability of developing PTH may include IVH, SAH, severity of TBI, and subdural haematoma. We propose a national prospective multicentre database of paediatric PTH. The data collected on prevalence, presentation, risk factors, and management could guide contemporary management and improve the outcomes of children with PTH.
INTRODUCTION: Predictive factors for post-traumatic hydrocephalus (PTH) in adults have been elucidated but remain uncertain for children. We aimed to identify the prevalence of PTH in paediatric patients and identify clinical/radiological factors which may increase the probability of children developing PTH. METHODS: This was a retrospective study of all patients < 16 years old admitted to our unit with traumatic brain injury (TBI) between March 2013 and June 2018, 108 patients in total. Patients were classified as mild (13-15), moderate (9-12) or severe (3-8) TBI based on admission GCS. Three independent reviewers collected data from case notes. CT scans were reviewed for hydrocephalus using Evan's index. Two-tailed Fisher's exact tests with a p value < 0.05 were considered statistically significant. RESULTS: Median patient age was 7 years, and 65% were males (n = 70). PTH wasn't identified in any patients with mild/moderate TBI (n = 79). In cases of severe TBI (n = 29), three patients developed PTH requiring ventriculoperitoneal shunting (10%; p = 0.02). Radiological features which were significantly more common in the PTH group were intraventricular haemorrhage (p = 0.05) and subarachnoid haemorrhage (p = 0.03). There was also a trend towards a statistically significant association with subdural haematoma (p = 0.07). The need for other neurosurgical procedures, such as fracture elevation and craniotomy, did not increase the probability of developing with PTH (p = 0.08). DISCUSSION: The prevalence of PTH in our study is 2.7%. Factors which may be associated with a higher probability of developing PTH may include IVH, SAH, severity of TBI, and subdural haematoma. We propose a national prospective multicentre database of paediatric PTH. The data collected on prevalence, presentation, risk factors, and management could guide contemporary management and improve the outcomes of children with PTH.
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