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  • Title: Single versus Double Burr Hole for Drainage of Chronic Subdural Hematoma: Randomized Controlled Study.
    Author: Sale D.
    Journal: World Neurosurg; 2021 Feb; 146():e565-e567. PubMed ID: 33130139.
    Abstract:
    BACKGROUND: Chronic subdural hematoma (CSDH) is one of the most common neurosurgical emergencies. Most neurosurgeons currently drained CSDH through single or double burr holes; however, few studies have compared the 2 approaches to drainage. The aim of this study is to compare the recurrent rate following double and single burr hole for CSDH in our practice. METHODS: This is a randomized controlled study from January 2015 to December 2019 in a neurosurgical unit in Kaduna, Nigeria. All patients with imaging diagnosis of subacute or chronic subdural hematoma who enrolled in the study had either a single or double burr hole. Patients were followed up for 6 months after surgery to assess for recurrence. Data were analyzed using SPSS version 25 for Windows. The Fisher exact test was performed to compare the 2 treatment groups. A 2-sided P value < 0.05 was considered statistically significant. RESULTS: A total of 192 patients were enrolled in the study with 99 in the single-burr hole group and 93 in the double burr-hole group. The overall recurrence rate in this study was 2.6%. The recurrence rate in the single arm was 3%, and in the double arm it was 2.2%. There was no statistically significant difference in recurrence between the 2 groups (P = 1.000). CONCLUSIONS: A single burr hole is as efficacious as a double burr hole in terms of relief of symptoms and recurrence, and it has a shorter duration of surgery.
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