中国西南人群腹主动脉及其分支的解剖学与影像学特征

目的 探讨西南人群中腹主动脉及其分支的正常参考值,为临床腹主动脉瘤的诊治提供依据.方法 通过对20例尸体的腹主动脉及其分支进行长度、直径、血管间的夹角等测量.同时,选择4个城市人群共计300例无明显病变者行腹部CT血管造影(CTA),从影像学测量腹主动脉及分支的长度、直径、血管间的夹角等数据.结果 腹主动脉显示率为10...

Anatomy and imaging of abdominal aorta and its branches in Southwestern China population

Objective To investigate the normal reference values of abdominal aorta and its branches in Southwest China,so as to provide basis for clinical diagnosis and treatment of abdominal aortic aneurysm.Methods The length,diameter and angle of the abdominal aorta and its branches were measured in 20 cadavers.At the same time,300 cases without obvious pathological changes in four urban populations were selected for abdominal CT angiography(CTA)to measure the length,diameter and angle of abdominal aorta and its branches.Results Display rate of abdominal aorta was 100%,the average length of abdominal aorta was(12.96±0.81)cm,the diameter of abdominal aorta was(1.93±0.28)cm,(1.55±0.23)cm,(1.61±0.19)cm in renal artery plane(Ⅰ),inferior mesenteric artery plane(Ⅱ)and lower edge plane of lumbar vertebrae(Ⅲ),and the average value on image was(2.17±0.42)cm,(1.81±0.40)cm,(1.99±0.53)cm;Display rate of common iliac artery was 100%,the angle between left and right common iliac artery was(59.80±4.66)°and the diameter of the end was(1.16±0.33)cm and(1.12±0.11)cm;Display rate of celiac trunk on cadaver was 100%,the average length was(1.61±0.27)cm,the average diameter on cadaver was(0.78±0.71)cm,the image was(0.88±0.31)cm;Display rate of renal artery was 100%,the average length of the left renal artery was(2.58±0.50)cm,that of the right was(4.26±0.65)cm,the initial average diameter of the left renal artery was(0.55±0.24)cm,and the right renal artery was(0.62±0.20)cm;Display rate of the superior mesenteric artery was(100%),that of the on cadaver was(4.56±0.29)cm,that of the image was(4.93±0.84)cm,and that of the angle between the abdominal aorta was(38.05±5.99)°;Display rate of the inferior mesenteric artery was(100%),the average length of the inferior mesenteric artery was(6.57±0.79)cm on the cadaver,the image was(6.70±0.76)cm,and that of the angle between the abdominal aorta was(73.79±9.62)°and the initial diameter was(0.48±0.29)cm.Conclusion The normal reference values of abdominal aorta and its visceral branches in Southwest China population were measured.CTA has a special advantage in showing the lesions of abdominal aorta and its branches in lumen,extraluminal and vascular wall,which can provide anatomical data of patients before operation.