Peritoneal drainage of chronic subdural hematomas in older patients

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Abstract
Most patients with chronic subdural hematoma are successfully treated with trephination and external drainage. However, hematomas with thick membranes may persist or recur, needing reoperation or major surgery such as craniotomy with membranectomy. In 14 patients aged over 60 years, internal peritoneal drainage of the hematoma by a low-pressure shunt system proved to be a reliable method of treatment with the following advantages: rapid neurological improvement; immediate mobilization; little stress for the patient; no recurrence; disappearance of the membranes; and slow and well-tolerated cerebral reexpansion without hypotension. Successful use of this method has been reported previously in children, but not in adults.