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Objectives: Chronic subdural hematoma (CSDH) after surgical treatment shows the recurrence rate of approximately 5 to 30%. We compared the frequency of recurrence after BE of CSDH with and without subdural drain. Materials and Methods: The study was a randomized controlled trial carried out in The Department of Neurosurgery, Allied Hospital, Faisalabad. Patients with an emergency mode of admission satisfying the inclusion criteria and giving the informed consent were enrolled for study. Patients in first “A group” underwent BE (burr hole evacuation) with a drain and patients in “group B” were treated without placement of the drain. Results: The total number was 130 out of which 65 were placed in each group. 84.62% of A Group and 76.92% of B Group were above 40 years, whereas 15.38% in A Group and 23.08% were above 18-40 years. The mean & ± SD was calculated as 64.03 ± 7.61 years in A Group and 62.28 ± 7.83 years in B Group, 78.46% in A Group and 72.31% in B Group were of male gender while 21.54% in A Group and 27.69% in B Group were of females gender. The comparison between frequency of recurrence after BE of CSDH with and without subdural drain shows 10.77% in A Group and 27.69% in the B Group, p value was 0.01 showing a significant difference. Conclusion: The frequency of recurrence after burr hole evacuation of CSDH is significantly lower when a subdural drain is placed as when compared to without subdural drain.

Comparison of Frequency of Recurrence after Burr Hole Evacuation of Chronic Subdural Hematoma with or without Subdural Drain.