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发现未破裂脑动脉瘤的原委,可有几个情况。考虑到治疗方针的不同,可做如下分类,(1)在蛛网膜下腔出血病例中发现在破裂动脉瘤之外,有多发性脑动脉瘤者;(2)以动脉瘤自身的压迫症状和动脉瘤为原因的具有大脑局部缺血的症状性未破裂脑动脉瘤;(3)其他脑疾患(外伤、脑肿瘤、脑血管意外)在检查中偶然发现者;(4)在脑健康检查中,通过MRA和CT发现的无症状性脑动脉瘤。未破裂脑动脉瘤的破裂率,一年内约为1%,但破裂时的症状重,由于手术合并症少,往往需进行积极的手术疗法。但是有合并症和由于动脉瘤部位的不同,更慎重地选择手术适应证是必要的。一、导致蛛网膜下腔出血的多发性脑动脉瘤病例中未破裂脑动脉瘤
Found that the unruptured aneurysm of the whole story, there are several circumstances. Taking into account the different treatment guidelines can be classified as follows, (1) found in cases of subarachnoid hemorrhage in addition to ruptured aneurysms, multiple cerebral aneurysms; (2) the aneurysm itself compression symptoms and Aneurysms as a cause of cerebral ischemia with symptomatic unruptured cerebral aneurysm; (3) other brain disorders (trauma, brain tumors, cerebrovascular accident) were found by chance in the examination; (4) in the brain health examination , Asymptomatic cerebral aneurysms found by MRA and CT. Rupture rate of unruptured cerebral aneurysms is about 1% within a year, but the symptoms of rupture are heavy and due to the small number of surgical complications, aggressive surgical treatment is often required. However, there are complications and due to the different parts of the aneurysm, more careful selection of surgical indications is necessary. First, lead to subarachnoid hemorrhage cases of multiple cerebral aneurysm without rupture of cerebral aneurysms