CT Attenuation of Acute Subdural Hematomas in Patients with Anemia

ABSTRACT BACKGROUND AND PURPOSE Isodense and hypodense acute subdural hematomas have been reported in the literature in anemic patients. The purpose of this study is to see if there is a statistically significant difference between the Hounsfield unit measurements of acute subdural hematomas in anem...

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Bibliographic Details
Published in:Journal of neuroimaging 2019-07, Vol.29 (4), p.536-539
Main Authors: Duy, Lindsay, Badeeb, Arwa, Duy, Walter, Alqahtani, Eman, Champion, Walter, Kim, Dae Hee, Martin, Dann, Vartanians, Vartan, Coffin, Phillip, Small, Juan E.
Format: Article
Language:English
Subjects:
acute
Anemia
Attenuation
Blood
Brain
Density
Dura mater
Hematoma
Meninges
Neuroimaging
Statistical analysis
Statistical significance
subdural
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Summary:ABSTRACT BACKGROUND AND PURPOSE Isodense and hypodense acute subdural hematomas have been reported in the literature in anemic patients. The purpose of this study is to see if there is a statistically significant difference between the Hounsfield unit measurements of acute subdural hematomas in anemic and nonanemic patients. METHODS A total of 109 patients were analyzed. We measured the most hyperdense component of the subdural hematoma and compared these measurements for both anemic and nonanemic patients. RESULTS All patients with anemia had a hyperdense component to their subdural hematomas during the acute period. No statistically significant difference was found in the density of the subdural hematomas between the two groups. More heterogeneous subdural hematomas were found in the anemic group than the nonanemic group, which suggests that anemia alone is not a sufficient explanation for acute homogenous isodense and hypodense subdural hematomas. CONCLUSION A hyperdense subdural component was present in all acute subdural hematomas in anemic patients. Therefore, anemia alone is not a sufficient explanation for a homogenous low‐density acute subdural hematoma.
ISSN:1051-2284
1552-6569
DOI:10.1111/jon.12608