脑外伤血肿膨胀与颅内压增高的有限元模拟分析

doi:10.3969/j.issn.0258-8021. 2015. 05.008

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Abstract The aims of this study are to develop a threedimensional patientspecific finite element brain model with detailed anatomical structures, and proposed the corpuscular particle method to simulate the cerebral hematoma lead to changes in intracranial pressure. Geometrical data and position of the cerebral hematoma were extracted from a set of medical CT scan images. We used these data to adjust the head model of GHBMC to the geometry of head of patients. Then corpuscular particle method was used to simulate the cerebral hematoma lead to changes in intracranial pressure. Deviation of the cerebral ventricles in the two groups of simulation were 4.6 mm and 5.6 mm, Deviation of the brain midline were 3.7 mm and 3.9 mm, the value of intracranial pressure were stable in 2 680±20 Pa and 2 618±18 Pa. The actual deviation of cerebral ventricles were 4.8 mm and 4.9 mm, The actual deviation of brain midline were 3.7 mm and 3.9 mm, the actual value of intracranial pressure were 2 800 Pa and 2 666 Pa. The data of simulation was in accordance with the actual data. Results showed that the corpuscular particle method was used to simulate analysis of hematoma expansion and intracranial pressure was feasible in theory. This paper can provide the theoretical foundation for the useful clinical application.

Key words： intracranial pressure corpuscular particle method finite element cerebral hematoma the value of deviation

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	Cao Libo^1Fu Xiaolong^1*Zhang Guanjun¹Li Na^2

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Cao Libo^1Fu Xiaolong^1*Zhang Guanjun¹Li Na^2. The Hematoma Expansion and Increasing Pressure in Traumatic Brain Injuries in the Finite Element Simulation Analysis[J]. journal1, 2015, 34(5): 574-580.

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http://cjbme.csbme.org/EN/10.3969/j.issn.0258-8021. 2015. 05.008 OR http://cjbme.csbme.org/EN/Y2015/V34/I5/574

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