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目的 探讨急性肾创伤后不同时间段B超检查的声像图特征。方法 将 96例急性肾创伤声像图按不同检查时间分为Ⅰ、Ⅱ 2组。Ⅰ组为伤后 30～ 90分钟检查 ,Ⅱ组为伤后 90～ 180分钟检查 ,并将两组急性肾创伤声像图特征进行比较分析。结果 Ⅰ、Ⅱ 2组的声像图分类构成差异有显著性意义 ,Ⅰ组低回声明显高于Ⅱ组 ,而Ⅱ组的混合性回声高于Ⅰ组 (P <0 .0 0 1)。Ⅰ、Ⅱ 2组分别与同组各类型声像图比较 ,Ⅰ组的低回声型和Ⅱ组的混合型回声均分别高于同组的其它类型 ,差异有显著性意义 (P <0 .0 0 1)。结论 急性肾创伤因超声检查的时间不同 ,声像图有较大的不同 ,最早表现以低回声型为主 ,然后向混合性回声型转变。
Objective To investigate the ultrasonographic features of B-ultrasound at different time points after acute renal injury. Methods Ninety-six cases of acute renal injury were divided into Ⅰ, Ⅱ 2 groups according to different examination time. Group Ⅰ was examined 30 to 90 minutes after injury, group Ⅱ was examined from 90 to 180 minutes after injury, and the characteristics of acute renal injury were compared between the two groups. Results There were significant differences in the classification of sonography between Ⅰ and Ⅱ 2 groups. The hypoechoicity of group Ⅰ was significantly higher than that of group Ⅱ, while that of group Ⅱ was higher than that of group Ⅰ (P <0. Ⅰ, Ⅱ 2 groups were compared with the same group of various types of sonograms, Ⅰ group of hypoechoic and Ⅱ mixed echo were higher than the other groups were the same group, the difference was significant (P <0 .0 0 1). Conclusion Acute renal injury due to different time of sonography, sonography has a larger difference, the earliest manifestation of low echo type, and then to the mixed echo type.