扁平下腔静脉相关临床及MSCT测量初步分析  

Preliminary analysis of relative clinical and MSCT measurement of flat inferior vena cava

作　　者：王志刚[1] 曹和涛[2] 于芹[2] 苏海[2] 

机构地区：[1]海门市人民医院影像科,江苏海门226100 [2]南通大学附属医院影像科

出　　处：《实用放射学杂志》2016年第4期603-606,共4页Journal of Practical Radiology

摘　　要：目的 探讨仰卧位扁平下腔静脉（fIVC）与相对于腰椎肾脏下垂指数（K）和腹主动脉前凸指数（A）及相关临床的关系。方法 随机选取100例无低血容量指征的腹部MSCT影像资料，在肾静脉入口平面计算K和A，并在此层面上下各1.5 cm以下腔静脉（IVC）长短径比值（R）＞3定义fIVC。对不同组别间指数大小行t检验，fIVC与年龄、性别关系行χ2检验。结果 100例中男57例，女43例，fIVC分别为 14例和20例（χ2=5.26，P＜0.05）；老、中、青3组分别为56例、38例、6例，fIVC构成比分别为44.64%（25/56）、23.68%（9/38）和0（0/6）；K＋A均值分别为：2.57±0.25、2.15±0.14、2.05±0.11，前二者老年组均显著大于青年组（χ2=6.40，t=5.06，P均＜0.05）。fIVC和非fIVC 组K＋A均值分别为：2.67±0.25和2.03±0.18（t=3.89，P＜0.05）。结论 仰卧位K和A增大或为fIVC形成及其好发于肾静脉入口附近的原因，与年龄、性别相关。Objective To investigate the correlation between flat IVC （fIVC） and relative clinical,index of prolapse of kidney（K） and lordosis of abdominal aorta （A） with respect to the lumbar on supine. Methods Abdominal CT image data of 100 cases without sign of low blood volume were selected randomly. The K and A were calculated in the plane of the entrance of the renal vein and fIVC was defined according to the ratio of length to short diameter of IVC （R） up and down about 1.5 cm plane,which large to 3 ： 1. The index size between different groups tested by t,the association of fIVC with age and gender tested by 2. Results Among 100 cases, male 57 cases, female 43 cases, flVC was 14 and 20 cases respectively （ χ^2 = 5.26, P〈0.05 ） ;The old, middle-aged and young groups were 56, 58 and 6 cases respectively, the constituent ratio of fIVC was 44.64%（25/56） , 23.68 %（9/38）and 0（0/6） respectively; The mean of K plus A was 2. 57±0.25, 2.15±0.14 and 2.05±0. 11 respectively. The two former of old group was all significantly more than that of green group （χ^2 =6.40, t=5.06,P〈0.05）. The mean of K plus A of fIVC and non-fIVC set was 2. 67±0.25 and 2.03±0.18 （t= 3.89,P〈0.05）respectively. Conclusion The increased K and A on supine perhaps as causes for the formation of fIVC and its more located nearby the entrance of the renal vein,and is associated with age and gender.

关 键 词：下腔静脉 测量 计算机体层成像 

分 类 号：R322.123[医药卫生—人体解剖和组织胚胎学] R814.42[医药卫生—基础医学]