Comparison of surgical techniques for the treatment of chronic subdural hematomas: A single‑center case series.

Chronic subdural hematoma (CSDH) is one of the most challenging realities in the neurosurgical world. The aim of the present study was to compare different surgical techniques, such as burr hole evacuation with subperiosteal drain or subdural drain and mini-craniotomy, and to review the diverse outcomes on the post-operative clinical state of patients. The present study was a retrospective cohort study with 122 patients with CSDH treated at a single center. The patients were separated into three groups according to the surgical technique used as follows: group 1, two burr holes with the placement of a subperiosteal drain; group 2, single burr hole per hematoma with the placement of an intradural drain; and group 3, mini-craniotomy. The duration of hospitalization, hematoma recurrence, complications, Glasgow coma scale at discharge and mortality were reported as outcome measures. A total of 3 patients succumbed following hematoma evacuation; of these 2 patients were from group 2 and 1 patient was from group 3. The patients from groups 1 and 3 exhibited a significantly lower odds ratio (OR) of hematoma recurrence than patients in group 2 (OR, 0.76; P<0.01; and OR, 0.8; P<0.01, respectively). The patients in group 1 exhibited a significantly lower probability of having a depressed level of consciousness on discharge (OR, 0.249; P=0.031). Group 2 was associated with a statistically significant prolongation of hospitalization. On the whole, the present study demonstrates that multiple burr hole hematoma evacuation with subperiosteal drain placement and mild suction is a very promising technique with very beneficial post-operative outcomes, such as zero mortality, a low CSDH recurrence risk, a reduced period of hospitalization and an improved post-operative quality of life.

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DAS is the Editor-in-Chief for the journal, but had no personal involvement in the reviewing process, or any influence in terms of adjudicating on the final decision, for this article. The other authors declare that they have no competing interests.