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为明确脑动静脉畸形(AVM)出血的病理解剖因素,作者调查了449名AVM,其中437例行手术治疗,12例行栓塞治疗。本组260例为回顾性调查,189例属前瞻性调查。根据临床表现和CT、MR检查,分为出血组和非出血组。作者分析了两组病人各种检查指标,以确定与出血的关系。 病人年龄为33±13岁,出血与非出血组无明显差异。AVM的大小与出血有一定关系:直径≤2.5cm的AVM出血率为90％,2.5<直径≤5.0cm的AVM出血率为52％,而直径>5.0cm者为50％。AVM引流静脉位置深在或表浅,出血率也不同,分
To clarify the pathological anatomy of cerebral hemorrhage (AVM) hemorrhage, the authors investigated 449 AVMs, of whom 437 underwent surgery and 12 underwent embolization. The group of 260 cases for retrospective survey, 189 cases are prospective survey. According to clinical manifestations and CT, MR examination, divided into bleeding group and non-bleeding group. The authors analyzed various test indicators in two groups of patients to determine the relationship with bleeding. The patient’s age was 33 ± 13 years and there was no significant difference between bleeding and non-bleeding groups. AVM size and bleeding have a certain relationship: the AVM bleeding rate ≤ 2.5cm 90%, 2.5 5.0cm were 50%. AVM drainage veins deep or superficial position, bleeding rate is also different points