Immunosuppression, hematogenous spread and advanced age were predictors of poor prognosis. Most of the complications following brain abscess management were not directly related to surgery or surgical technique.

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The transgluteal approach is useful in the operative repair of lesions of the proximal sciatic nerve. It is a less invasive technique than classical complete sectioning of the gluteus maximus muscle, and yields better aesthetic results and a faster return to normal daily activities. Complex lesions, like nerve trauma requiring grafts and nerve tumours, can be treated with minimal risk. Nevertheless, it is less comfortable for the surgeon, and the entire extent of the exposed nerve might not be visualized simultaneously during surgery.

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