Abstract
Contemporary surgical practices for traumatic brain injury (TBI) remain unclear. We describe the clinical profile of an 18-centre US TBI cohort with cranial surgery. The prospective, observational Transforming Research and Clinical Knowledge in Traumatic Brain Injury Study (2014-2018; ClinicalTrials.gov #NCT02119182) enrolled subjects who presented to trauma centre and received head computed tomography within 24-h (h) post-TBI. We performed a secondary data analysis in subjects aged ≥17-years with hospitalisation. Clinical characteristics, surgery type/timing, hospital and six-month outcomes were reported. Of 2032 subjects (age: mean=41.4-years, range=17-89-years; male=71% female=29%), 260 underwent cranial surgery, comprising 65% decompressive craniectomy, 23% craniotomy, 12% other surgery. Subjects with surgery (vs. without surgery) presented with worse neurological injury (median Glasgow Coma Scale=6 vs. 15; midline shift ≥5mm: 48% vs. 2%; cisternal effacement: 61% vs. 4%; p<0.0001). Median time-to-craniectomy/craniotomy was 1.8h (interquartile range=1.1-5.0h), and 67% underwent intracranial pressure monitoring. Seventy-three percent of subjects with decompressive craniectomy and 58% of subjects with craniotomy had ≥3 intracranial lesion types. Decompressive craniectomy (vs. craniotomy) was associated with intracranial injury severity (median Rotterdam Score=4 vs. 3, p<0.0001), intensive care length of stay (median=13 vs. 4-days, p=0.0002), and six-month unfavourable outcome (62% vs. 30%; p=0.0001). Earlier time-to-craniectomy was associated with intracranial injury severity. In a large representative cohort of patients hospitalised with TBI, surgical decision-making and time-to-surgery aligned with intracranial injury severity. Multifocal TBIs predominated in patients with cranial surgery. These findings summarise current TBI surgical practice across US trauma centres and provide the foundation for analyses in targeted subpopulations. National Institute of Neurological Disorders and Stroke; US Department of Defense; Neurosurgery Research and Education Foundation.
Published Version
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