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KMID : 1143720120080020110
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Korean Journal of Neurotrauma
2012 Volume.8 No. 2 p.110 ~ p.114
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Risk Factors for the Post-Traumatic Hydrocephalus Following Decompressive Craniectomy in Severe Traumatic Injury Patients
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Cho Byung-Rae
Lee Hyung-Jin
Lee Hong-Jae
Lee Jin-Seok
Yang Ji-Ho
Lee Il-Woo
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Abstract
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ObjectivesThe goal of this study was to assess the incidence and risk factors for post-traumatic hydrocephalus (PTH) following decompressive craniectomy (DC). An additional objective was to investigate the relationship between hydrocephalus and subdural hygroma (SDG) after DC.
Methods:We conducted a retrospective study of 94 patients who were admitted to our department between 2007 and 2010 with severe head injury requiring DC. Post-traumatic hydrocephalus was defined as: frontal horn index (FHI) ≥0.4 or modified FHI ≥0.33 accompanying transependymal edema; the presence of either clinical worsening or failure to make neurological improvement over time; and clinical improvement after ventriculoperitoneal shunt. Post-traumatic SDG was defined as the presence of low density at computerized tomography (CT) of more than 5mm thickness.
Results:Among the 94 patients, we could follow up more than 3 months and obtain more than 4 serial CT scans in 41 patients. PTH developed in 29.3% (12/41) and SDG developed in 48.8% (20/41) of these patients. The development of PTH was significantly associated with delayed craniplasty after DC and with interhemispheric SDG. No relationship was found between PTH and age, sex, Glasgow Coma Scale (GCS) score, intraventricular hemorrhage, subarachnoid hemorrhage, midline shift, basal cistern effacement, or cortical opening during DC.
Conclusion:Hydrocephalus occurred in 29.3% of the patients with severe traumatic brain injury who required DC. Delayed cranioplasty and interhemispheric SDG after DC were risk factors for the development of PTH.
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KEYWORD
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Decompressive craniectomy, Hydrocephalus, Subdural hygroma
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