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颅内囊性动脉瘤的发病率、自然史和破裂的危险因素 被引量:24

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摘要 在普通人群中.颅内动脉瘤的发病率约为2.3%。女性发病率略高于男性,男女之比为1:1.3;多发性动脉瘤至少占20%。对动脉瘤自然病程的研究有重要的意义。50%以上的动脉瘤在患者死亡时尚未发生过破裂;未破裂动脉瘤每年破裂出血的危险性为1.9%。动脉瘤的大小是影响破裂危险性的最主要因素,动脉瘤的直径发展到10mm时为发生破裂出血的临界大小;高血压对动脉瘤破裂危险的影响不明确;其他因素,如动脉瘤的部位、形状、多发性、性别、年龄和症状等对动脉瘤的破裂可能有一定的影响,
作者 张东 赵继宗
出处 《国外医学(脑血管疾病分册)》 2001年第6期377-379,共3页 Foreign Medical Sciences Cerebrovascular Diseases
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