Chronic subdural hematoma

This operation is routinely performed under general anesthesia. In special cases the operation can be carried out in local anesthesia. A burr-hole craniotomy (diameter 30 mm) is performed over the thickest part of the hematoma as determined by CT. The dura mater is penetrated with an x-shaped incision. A closed-system drainage is placed into the hematoma cavity for an average of 3 days after irrigation with physiologic saline solution.


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