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颅内动脉瘤的诊断及治疗讲课用.ppt

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文档介绍:颅内动脉瘤的诊断及治疗
Intracranial aneurysm diagnosis and therapy
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Epidemiology
Morbility : 6~35.3/100 thousands
area :
Lowest:India、the Middle East 、China 1 ~2/100 thousands
Highest:Finland、Japan、Scotland 26.4~96.1/100 thousands
F:M 1.3~1.6:1。Common age:40-60 years , about2/3。
Linn FH, Rinkel GJ, Algra A, van Gijn J. Incidence of subarachnoid hemorrhage: role of region, year, and rate of computed tomography: a meta-analysis. Stroke. 1996 Apr;27(4):625-9.
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Aneurysm etiology
1、Congenital 80%~90%
2、Arteriosclerosis 10%~18%
3、Infective 0.5%~2.0%
4、Traumatic 0.5%
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Risk factors
1、Age
2、heredity
3、blood flow dynamic
4、Defects in the arterial wall of the middle
5、Aneurysms coexist with other congenital anomalies
6、Hypertension
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Aneurysm classification
size:1.S:<0.5cm;2.M:0.5-1.4cm;3.L:1.5-2.4cm;4.H:≥2.5cm
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Aneurysm classification shape:1 、capsular 2、intervallum 3、Fusiform
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anterior of Willis arterial circle > 80%

internal carotid artery ICA 30%
anterior cerebral artery ACA 30%
middle cerebral artery MCA 20%
vertebral artery
and basilar artery VA&BA 5%
others 15%
Aneurysm classification common position:
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Aneurysm classification position:
Rhoton, Albert L. Neurosurgery. 51(4), October 2002
0
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Locations of aneurysm rupture
Top 64%
Middle 10%
Neck 2%
unclear 24%
Top-rupture
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Clinical presentation of intracranial aneurysm non-rupture 1、No clinical symptoms, physical examination when the accidental discovery 2、Intracranial pressure symptoms


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颅内动脉瘤的诊断及治疗讲课用.ppt

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