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Year : 2014  |  Volume : 42  |  Issue : 1  |  Page : 6-13

Chronic subdural hematoma: complication avoidance

Department of Neurosurgery, Faculty of Medicine, Tanta University, Tanta, Egypt

Correspondence Address:
Ashraf Mohamed Farid
Department of Neurosurgery, Faculty of Medicine, Tanta University, Tanta
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DOI: 10.4103/1110-1415.130078

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Background and objective Chronic subdural hematoma (CSDH) is defined as the presence of a typical neomembrane, typical liquefied blood within the hematoma cavity, and 3 weeks of more of acute subdural hematoma. It has been classified into separate, laminar, homogenous, and trabecular types. This study analyzed the complications after burr hole evacuation in CSDHs and the best methods to avoid or at least minimize them. Materials and Methods A total of 28 patients who were suffering from complications after evacuation of CSDH were analyzed. Data on patients and treatment protocol were collected. Medical problems were also managed. Complications were studied as regards their causes and avoidance. Results The highest incidence of complications is observed in the seventh decade of life. Recurrence was the most common complication especially in the separate type. The recurrence rate was higher among patients operated through a single burr hole. Extradural hematomas, although rare, were observed in three patients. Acute subdural hematoma and cerebral infarction had the worst prognosis. Conclusion Subgaleal dissection and insertion of a subgaleal drain are important for absorption and suction of the residual air and blood. In addition, intraoperative copious saline irrigation and postoperative meticulous follow-up are important for patients with a high risk of recurrence, especially those with hematomas of the separate type. During evacuation of the hematoma, we must avoid sudden decompression of the brain as it leads to cerebral infarction or intracranial hemorrhage. It is important to inform the anesthetist before performing the drainage that the blood pressure should be closely monitored and maintained at normal levels while infusing normal saline during surgery to avoid hypotension, which may lead to infarction. Any source of blood from the extradural space must be adequately dealt with.

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