Please use this identifier to cite or link to this item: https://doi.org/10.4103/2152-7806.141299
Title: Value of routine early post-operative computed tomography in determining short-term functional outcome after drainage of chronic subdural hematoma: An evaluation of residual volume
Authors: Ng, H.Y
Ng, W.H 
King, N.K.K
Keywords: anticoagulant agent
antithrombocytic agent
age
aged
Article
burr hole drainage
cerebrovascular accident
clinical article
computer assisted tomography
death
epilepsy
female
functional status
Glasgow coma scale
heart infarction
human
length of stay
male
postoperative period
predictive value
priority journal
sepsis
subdural hematoma
surgical drainage
wound infection
Issue Date: 2014
Citation: Ng, H.Y, Ng, W.H, King, N.K.K (2014). Value of routine early post-operative computed tomography in determining short-term functional outcome after drainage of chronic subdural hematoma: An evaluation of residual volume. Surgical Neurology International 5 (Supplement) : 141299. ScholarBank@NUS Repository. https://doi.org/10.4103/2152-7806.141299
Rights: Attribution 4.0 International
Abstract: Background: Computed tomography (CT) scans are widely used in managing chronic subdural hematoma (CSDH). Factors that determine early post-operative volume have not been examined. The value of routine early post-operative residual volume have not been evaluated. Our study aims to compare pre-operative and early post-operative CT findings to determine the factors affecting residual hematoma and evaluate if early post-operative CT scans are useful in the management of CSDH. Copyright:Methods: Forty-three patients who underwent burr hole drainage of unilateral CSDH from August 2006 to January 2013 and had routine post-operative CT scans within 48 hours of surgery were selected. Data regarding age, sex, neurological deficit, Glasgow Coma Scale (GCS), pre-existing medical conditions, use of antiplatelets or anticoagulation, operative time, usage of drains, and number of burr holes were obtained. The pre-operative CSDH volume, CSDH density, and midline shift were measured. Residual volume was calculated from early post-operative CT scans. Clinical outcome was evaluated with Glasgow Outcome Scale (GOS) at the time of discharge. Statistical analysis was performed to look for correlation between the pre-operative factors and residual volume, and the residual volume and GOS.Results: Pre-operative volume was found to correlate significantly with post-operative residual volume. There was no significant correlation between all other pre-operative factors and residual volume. There was also no correlation between residual volume and GOS at discharge.Conclusion: Routine post-operative CT brain for burr hole drainage of CSDH may be unnecessary in view of the good predictive value of pre-operative volume, and also because it is not predictive of the clinical outcome. © 2014 Ng HY.
Source Title: Surgical Neurology International
URI: https://scholarbank.nus.edu.sg/handle/10635/183700
ISSN: 21527806
DOI: 10.4103/2152-7806.141299
Rights: Attribution 4.0 International
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