关键词: 常规超声, 彩色多普勒超声, 输尿管结石, 结石位置, 中下段结石, 肾盂积水

Abstract: Objective To investigate the diagnostic value of color Doppler ultrasound in ureteral calculi in different parts in emergency. Methods A total of 246 cases of ureteral calculi in emergency admitted to Chashan Hospital of Dongguan between January 2019 and December 2020 were selected as the research objects, including 142 males and 104 females, aged (46.62±3.77) years. They all received routine ultrasound examination and color Doppler ultrasound examination. The calculus detection rates of different parts of the ureter of the two methods were compared. The count data were compared by χ2 test. Results The detection rates of calculi and hydronephrosis by color Doppler ultrasound were 98.47% (258/262) and 98.70% (152/154), respectively, which were significantly higher than those by conventional ultrasound [90.08% (236/262) and 93.51% (144/154)], with statistically significant differences (both P<0.05). The detection rates of upper ureteral calculi by conventional ultrasound and color Doppler ultrasound were both 100.00% (101/101), with no statistically significant difference (P>0.05). The detection rates of middle and lower ureteral calculi, left and right ureteral calculi by color Doppler ultrasound were 98.77% (80/81), 96.25% (77/80), 98.41% (124/126), and 98.53% (134/136), respectively, which were significantly higher than those by conventional ultrasound [80.25% (65/81), 87.50% (70/80), 91.27% (115/126), and 88.97% (121/136)], with statistically significant differences (all P<0.05). Conclusion Strengthening the application of color Doppler ultrasound in the diagnosis of ureteral calculi in emergency can achieve accurate detection of calculi in different parts, especially for the diagnosis of middle and lower ureteral calculi, and is not affected by the left and right sides of the ureter, worthy of promotion. 

Key words: Conventional ultrasound, Color Doppler ultrasound, Ureteral calculi; Calculus location, Middle and lower ureteral calculi, Hydronephrosis