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前交通动脉瘤破裂影像学相关因素分析 被引量:2

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摘要 目的 对前交通动脉瘤破裂风险与16层螺旋CT血管造影(MSCTA)影像学特征相关因素进行分析.方法 126例126枚前交通动脉瘤患者行16层螺旋CT血管造影检查,并使用CTA软件进行容积重建(VR)、多平面重建(MPR)、最大密度投影(MIP)显示动脉瘤,统计动脉瘤的特征,分析动脉瘤破裂风险与影像学特征的关系.结果 126例动脉瘤中,破裂组74例,未破裂组52例.16SCTA清晰显示破裂组与未破裂组前交通动脉瘤的位置、大小和生长速度等有关(P〈0.01):偏侧(左、右侧)组与中间组比较差异有统计学意义(x2=29.92,P〈0.01);血管瘤直径≥7 mm组(73.8%)与〈7 mm组(28.6%)比较差异有统计学意义(x2=23.39,P〈0.01);生长速度快组(78.9%)与生长速度慢组(18.8%)比较差异有统计学意义(x2=28.80,P〈0.01).破裂组与未破裂组前交通动脉瘤的形态:单叶[(圆形、椭圆形、锥形、葫芦形)51.3%]与多叶(70.8%)比较,差异有统计学意义(x2=5.80,P〈0.05).其中破裂组顶颈比为2.31 ±0.68,而未破裂组的顶颈比为1.47±0.63,两者差异有统计学意义(t=2.45,P〈0.05).结论 前交通动脉瘤破裂风险与影像学特征有直接关系,而16层螺旋CT血管造影清楚地显示了动脉瘤的特征,对判断动脉瘤破裂风险有一定的价值.
出处 《中国医师杂志》 CAS 2010年第4期527-529,共3页 Journal of Chinese Physician
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二级参考文献11

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