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一、脑动脉瘤4471例.其中莓果状(Berry)动脉瘤4251例,男女比为1∶1.04,破裂所致蛛网膜下腔出血的好发年龄,在40～59岁占60.4%,肯年期男性较多,老年期女性较多.合并高血压者占32.2%,多囊肾0.2%,心脏疾患3.3%,糖尿病2.7%.临床症状多由动脉瘤破裂出血所致(80%),动脉瘤压迫所致者少.蛛网膜下腔出血的复发率29.0%,可能因本组病例多经过各种治疗,故复发率较低.复发与病人有无高血压症无关,孤立性动脉瘤在颈内动脉占31.5%,其中后交通动脉起始部22%;前交通动脉31.6%;大脑中动脉23.1%;大脑前动脉8.4%;椎——基底动脉系统4.4%.多发性动脉瘤占
One, 4471 cases of cerebral aneurysms, of which 4251 cases of berry aneurysms, male to female ratio of 1: 1.04, the incidence of subarachnoid hemorrhage caused by rupture age, 40 to 59 years old accounted for 60.4% Ken There were more males and females in the years with 32.2% with hypertension, 0.2% with polycystic kidney disease, 3.3% with heart disease and 2.7% with diabetes.The clinical symptoms were mostly caused by aneurysm rupture (80%), Aneurysm caused by oppression less.Rapid subarachnoid hemorrhage recurrence rate of 29.0%, may be due to more treatment in this group of patients, so the recurrence rate is low.Recurrence and the patient has no hypertension, isolated aneurysm In the internal carotid artery accounted for 31.5%, of which 22% after the start of the posterior communicating artery; anterior communicating artery 31.6%; 23.1% of the middle cerebral artery; anterior cerebral artery 8.4%; vertebrobasilar artery system 4.4%