Predictive (subtle or overlooked) initial head CT findings in patients who develop delayed chronic subdural hematoma.

J Clin Neurosci. 2017 Aug;42:129-133. doi: 10.1016/j.jocn.2017.03.005. Epub 2017 Mar 22.

Predictive (subtle or overlooked) initial head CT findings in patients who develop delayed chronic subdural hematoma.

Abstract

With the aging population, the incidence of chronic subdural hematoma (CSDH) is expected to rise. Once symptomatic the morbidity from CSDH is not insignificant. We studied patients who had a minor head injury and CT brain scan prior to developing CSDH to determine if there were any predictors on these scans for subsequent development of a CSDH. A retrospective review was performed on all patients operated for CSDH over a 3-year period and a review performed on those who had imaging studies at the time of a preceding minor head injury. Seven of 37 patients had CT scans prior to developing CSDH. All had evidence of small increases in CSF intensity on the side or sides of the subsequent CSDH. In conclusion, in those patients with a history of minor head injury prior to developing a CSDH, CT brain demonstrated small increases in cerebral spinal fluid (CSF) intensity on the side or sides of the subsequent CSDH. Recognizing this finding may be helpful in monitoring these patients or initiating medical therapy.

KEYWORDS:

Cerebral spinal fluid intensity; Chronic subdural hematoma; Minor head injury; Subdural hygroma

PMID:

 

28342701

 

DOI:

 

10.1016/j.jocn.2017.03.005

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