Background:
This study is aimed to find a critical volume of operated giant or massive extradural hematoma (EDH) that affects outcome significantly and analyze them with respect to their clinical, surgical, and outcome perspective.
Methods:
This retrospective study includes 253 patients operated for EDH in emergency in the Department of Neurosurgery of IMS BHU, Varanasi, India, a tertiary care center, between August 1, 2018, and November 1, 2019. Giant EDH critical volume was evaluated. Twenty-nine patients with giant EDH with clot volume ≥ 80 ml were further analyzed for clinical, surgical, and outcome predictive factors. Statistical analysis was done using Prism GraphPad ver. 8.0.0. P value was taken at 0.05.
Results:
Dichotomized group analysis with Glasgow Outcome Score (GOS) 4–5 versus GOS 1–3 for testing clot volume revealed significance difference with P < 0.001. Mean volume of GOS 1–3 came out to be 79.68 ml. Hence, we took clot volume >80 ml for further analysis. The most common age group was 20–40 (55.17%). M2 (31.03%) was the most common best motor response in operated giant EDH cases. Most of them were having severe (79.31%) head injury. Glasgow Coma Scale (GCS) at admission (P < 0.0001), pupillary changes (P = 0.0032), and best motor response (P < 0.0001) was significantly (P < 0.05) associated with outcome following surgery for giant EDH.
Conclusion:
Giant EDH with volume ≥ 80 ml is associated with poorer outcome. GCS at admission, pupillary changes, and best motor response is predictors for surgical outcome of giant EDH.
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