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Predictive Factors of Intracranial Pressure Elevation in Patients with Severe Acute Subdural Hematoma Miwa KIYOHIRA 1 , Eiichi SUEHIRO 1 , Yuichi FUJIYAMA 1 , Michiyasu SUZUKI 1 1Department of Neurosurgery, Yamaguchi University Graduate School of Medicine Keyword: intracranial pressure elevation , predictive factor , severe acute subdural hemorrhage , traumatic brain injury pp.753-760
Published Date 2019/7/10
DOI https://doi.org/10.11477/mf.1436204019
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 INTRODUCTION:Elevated intracranial pressure(ICP)can cause secondary brain injury after severe traumatic brain injury(TBI), and ICP is the key factor that determines the outcome. Therefore, prediction of elevation of ICP during the course of the injury would allow for more effective care of patients with severe TBI. In this study, we investigated predictive factors for elevation of ICP in patients with severe acute subdural hematoma(ASDH).

 METHODS:Twenty patients with severe isolated ASDH were admitted to our hospital between January 2009 and April 2016. The patients were divided into two groups with a maximum ICP of ≥20mmHg(elevated ICP group)and <20mmHg(normal ICP group). Age, mechanism of injury, Glasgow Coma Scale score on admission, initial head computed tomography findings, vital signs, serological and blood gas examinations, initial ICP, and clinical outcome were evaluated.

 RESULTS:The elevated ICP group had significantly higher initial ICP(5.0±3.1 vs. 30±22.4mmHg, p<0.01), arterial oxygen pressure(151.2±68.3 vs. 314.2±197.1mmHg, p<0.05), and activated partial thromboplastin time(APTT;28.17±3.1 vs. 35.96±8.0, p<0.05)at admission, and significantly lower fibrinogen level(273.3±65.1 vs. 188.1±82.4mg/dL, p<0.05)and favorable outcome rate(p<0.01).

 CONCLUSIONS:Our results show that high initial ICP, APTT, and arterial oxygen and low fibrinogen levels are associated with ICP elevation in patients with severe ASDH. These factors might be useful for the indication of therapeutic methods such as decompressive craniectomy.


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

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