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由于脑血管造影和 CT 检查技术的广泛应用,自发性蛛网膜下腔出血(SAH)病例多可查出病因。但仍有一部分病例虽经多次造影、CT 及其它方面的检查,其病因仍难查到。此类病例称为不明原因的 SAH,约占全部 SAH 病人的10～20%。本文收集我院1980年以来收治的此类出血25例和同期收治的动脉瘤性 SAH35例进行对比研究,意在找出两者之间的区别,指导临床工作。资料分析不明原因 SAH25例,男12例,女13例,年龄11～65岁,平均47.5岁。全部病例均经腰穿证实为SAH,病后5天内行 CT 扫描,并在住院中做脑血管造影检查,其中双侧颈内动肾造影15例。全脑血
Due to the widespread use of cerebral angiography and CT examination, spontaneous subarachnoid hemorrhage (SAH) cases can be more etiological. However, there are still some cases after repeated angiography, CT and other aspects of the examination, the etiology is still difficult to find. Such cases are called unexplained SAH, accounting for 10 to 20% of all SAH patients. This article collected from our hospital since 1980, 25 cases of such hemorrhage and at the same period treated aneurysm SAH35 cases were compared, intended to find the difference between the two, to guide clinical work. Data Analysis Unknown SAH25 cases, 12 males and 13 females, aged 11 to 65 years, an average of 47.5 years old. All cases were proved to be SAH by lumbar puncture. CT scan was performed within 5 days after the illness and cerebral angiography was performed in the hospital. There were 15 cases of bilateral neck internal fixation with renal angiography. Whole brain blood