Armon M P, Wenham P W, Whitaker S C, Gregson R H, Hopkinson B R
Department of Vascular and Endovascular Surgery, University Hospital, Nottingham, U.K.
Eur J Vasc Endovasc Surg. 1998 Mar;15(3):255-7. doi: 10.1016/s1078-5884(98)80186-x.
To determine the incidence of common iliac artery (CIA) aneurysms in patients with abdominal aortic aneurysms (AAA) and to evaluate the relationship between AAA and CIA diameter.
Spiral CT angiography was used to measure the maximum diameters of the abdominal aorta and the common iliac arteries of 215 patients with AAA.
The median CIA diameter was 1.7 cm--significantly greater than the published mean of 1.25 (2 S.D. = 0.85-1.65) cm of an age-matched, non-vascular population. Thirty-four patients (16%) had unilateral and 26 patients (12%) bilateral CIA aneurysms > or = 2.4 cm diameter. Eight-six vessels (20%) were affected. Right CIA diameters were wider than left CIA diameters (p < 0.0001, Wilcoxon matched-pairs signed rank test). The correlation between AAA size and CIA diameter was weak.
The AAA population has abnormally dilated common iliac arteries. In this population, common iliac artery aneurysms should be defined as those greater than 2.4 cm diameter. 20% of CIAs in patients with AAA are aneurysmal according to this definition.
确定腹主动脉瘤（AAA）患者中髂总动脉（CIA）动脉瘤的发生率，并评估AAA与CIA直径之间的关系。
采用螺旋CT血管造影术测量215例AAA患者腹主动脉和髂总动脉的最大直径。
CIA的中位直径为1.7 cm，显著大于已发表的年龄匹配的非血管人群的平均直径1.25（2标准差=0.85 - 1.65）cm。34例患者（16%）存在单侧CIA动脉瘤，26例患者（12%）存在双侧CIA动脉瘤，直径≥2.4 cm。86条血管（20%）受累。右侧CIA直径比左侧CIA直径宽（p < 0.0001，Wilcoxon配对符号秩检验）。AAA大小与CIA直径之间的相关性较弱。
AAA患者的髂总动脉异常扩张。在该人群中，髂总动脉动脉瘤应定义为直径大于2.4 cm的动脉瘤。根据这一定义，AAA患者中20%的CIA为动脉瘤。
