64排螺旋CT对腹主动脉瘤弹性值的稳定性及相关因素分析

Stability of Elasticity of Abdominal Aortic Aneurysm with 64-slice Spiral CT and Analysis of Related Factors

目的研究分析64排螺旋CT对腹主动脉瘤弹性值的稳定性及相关因素。方法选取2016年1月至2018年6月我院收治的112例腹主动脉瘤患者作为研究对象,所有患者均采用64排螺旋CT进行检查,比较并分析在肾动脉水平以及肾动脉下计算患者主动脉弹性值以及脉搏波波速,并研究其相关因素。结果入组患者腹主动脉瘤体最大直径范围为3.59~4.67cm,其平均值为(4.09±0.49)cm;患者瘤体近端距离肾动脉范围在1.39~2.89cm之间,其平均值为(2.29±0.28)cm;患者腹主动脉瘤主动脉壁弹性肾动脉水平值为(1.12±0.19)×10^(-5)/Pa,对应的脉搏波传导波速为(9.71±1.10)m/s;腹主动脉瘤主动脉壁弹性肾动脉下值为(0.51±0.19)×10^(-5)/Pa,对应的脉搏波传导波速为(15.02±4.10)m/s。患者腹主动脉瘤体弹性值与患者的性别、身高以及舒张压情况呈正相关关系,具有统计学意义(P<0.05);与患者年龄、BMI、收缩压情况、脉压、其瘤体直径、葡萄糖、胆固醇等指标呈负相关关系,具有统计学意义(P<0.05)。经多因素分析,患者主动脉壁弹性值与患者的BMI、脉压、舒张压情况以及患者瘤体直径大小具有独立危险因素关系,具有统计学意义(P<0.05)。结论64排螺旋CT对检测腹主动脉瘤患者具有一定稳定性,患者主动脉瘤弹性值与BMI值、收缩压、脉压与主动脉瘤体直径具有独立相关性。

Objective Purpose To study and analyze the stability and related factors of 64-slice spiral CT in the elasticity of abdominal aortic aneurysms.Method 112 patients with abdominal aortic aneurysms admitted to our hospital from January 2016 to June 2018 were selected as the research objects.All patients were examined by 64-slice spiral CT.The aortic elasticity and pulse wave velocity were calculated at the level of the renal artery and under the renal artery,and the related factors were studied.Result The maximum diameter of abdominal aortic aneurysms ranged from 3.59 cm to 4.67 cm,with an average of(4.09±0.49)cm;the proximal distance between the aneurysms and the renal artery ranged from 1.39 to 2.89,with an average of(2.29±0.28)cm;the elastic renal artery level of abdominal aortic aneurysms was(1.12±0.19)×10^(-5)/Pa,and the corresponding pulse wave velocity was(9.71±1.10)m/s;and the aortic wall of abdominal aortic aneu rysms was The lower value of elastic renal a rtery was(0.51±0.19)×10^(-5)/Pa,and the corresponding pulse wave velocity was(15.02±4.10)m/s.The elasticity of abdominal aortic aneurysm was positively correlated with gender,height,and diastolic blood pressure(P<0.05),negatively correlated with age,BMI,systolic blood pressure,pulse pressu re,the diameter of abdominal aortic aneu rysm,glucose,and cholesterol(P<0.05).Multiva riate analysis showed that the elasticity of the aortic wall had independent risk factors with BMI,pulse pressure,diastolic pressure and tumor diameter(P<0.05).Conduslon 64-slice spiral CT has a specific stability in detecting abdominal aortic aneurysms.The elasticity of patients’aortic aneurysms is independently correlated with BMI,systolic blood pressure,and aortic pressure with the diameter of aortic aneurysms.