【摘要】 目的 通过多排螺旋CT血管成像(MSCTA)研究颅内动脉瘤几何形态与其破裂风险的关系。方法 85例颅内动脉瘤患者， 按其是否破裂分为破裂组(45例)与未破裂组(40例)；MSCTA行三维重建， 测量动脉瘤多种几何参数， 分析动脉瘤长径、纵横比(AR)即瘤体长径/瘤颈宽度、入射角(动脉瘤瘤高度延长线与近端载瘤动脉夹角)。分析各指标与颅内动脉瘤破裂的相关性。结果 破裂组瘤体长径、AR值和入射角分别为(6.8±2.3)mm、(1.8±0.7)和(123.6±24.6)°， 高于未破裂组(4.1±1.1)mm、(1.3±0.5)和(109.5±19.5)°， 差异有统计学意义(P<0.05)。结论 动脉瘤长径、AR值及入射角是动脉瘤破裂的危险因素。

    【关键词】 多排螺旋CT血管成像；几何形态；破裂因素

    DOI：10.14163/j.cnki.11-5547/r.2016.36.034

    【Abstract】 Objective To study relation of geometrical morphology and its risk of rupture in intracranial aneurysm by multi-spiral CT angiography (MSCTA). Methods A total of 85 intracranial aneurysm patients were divided by whether burst or not into rupture group (45 cases) and non-rupture group (40 cases). Three-dimensional reconstruction for MSCTA was used to detect various intracranial aneurysm of aneurysm. Analysis were made on aneurysm length to diameter ......