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Traumatic Intraventricular Hemorrhage in Severe Head Injury Takuo HASHIMOTO 1 , Norio NAKAMURA 1 , KE RICHARD 2 , RA FROWEIN 2 1Department of Neurosurgery,Jikei Universlty School of Medicine 2Department of Neurosurgery,Cologne University Keyword: Severe head injury , Traumatic ventricular hemorrhage , Shearing injury pp.209-215
Published Date 1992/3/10
DOI https://doi.org/10.11477/mf.1436900408
  • Abstract
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Among 329 cases with comatose state caused by se-vere head injury, 32 had primary intraventricular hemorrhage as revealed on initial CT scan (13.4%). We divided traumatic intraventricular hemorrhage into 4 types. Type 1: massive hemorrhage (9 cases). Type 2: subependymal hemorrhage (8 cases). Type 3 : damage of fornix or septum pellucid (8 cases). Type 4: Nieveau (7 cases). Most of these cases were caused bytraffic accident. Shearing injury may be the most accu-rate mechanism to produce the intraventricular hemor-rhage. Shear strain in severe head injury should cause tears of the subependymal vein, fornix, septum pelluci-dum and choroid plexus. 8 cases out of 32 ventricular hemorrhage showed tear of the subependymal vein. 8 of our cases showed damage of the fornix or septum pellucidum. These results suggested that the anatomical structure of the fornix and septum pellucidum wereweak points for shearing force. 20 cases in 32 with ven-tricular hemorrhage died. These cases were frequently associated with other traumatic lesions, namely contu-sion of white matter and grey matter, brain stem le-sions and cerebellar contusion, caused by shearing in-jury. Therefore, the prognosis of severe head injury with intraventricular hemorrhage is poor.


Copyright © 1992, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1251 印刷版ISSN 0301-2603 医学書院

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