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目的观察彩色多普勒超声应用在急性阑尾炎术前定位中的临床优越性,同时探讨高频超声和低频超声临床应用的区别。方法对所有患者术前通过手压法和高频及低频彩色多普勒超声检查患者腹部,得到阑尾位置并分别标记,对比术后获得的正确位置。结果彩色多普勒超声的术前定位准确性较高,达97%。高频彩色多普勒超声的术前定位准确性较低频彩色多普勒超声高,差异有统计学意义(P<0.05)。结论彩色多普勒超声尤其是高频超声用于急性阑尾炎术前定位临床效果优良,安全快捷,值得临床推广使用。
Objective To observe the clinical superiority of color Doppler ultrasound in the preoperative localization of acute appendicitis and to explore the difference between clinical application of high frequency ultrasound and low frequency ultrasound. Methods All patients were examined by hand pressure and high-frequency and low-frequency color Doppler ultrasonography of the abdomen before operation, and the appendix locations were obtained and marked separately to compare the correct position after operation. Results Color Doppler ultrasound preoperative localization accuracy is high, up to 97%. The accuracy of preoperative localization of high frequency color Doppler ultrasound was lower than that of low frequency color Doppler ultrasound (P <0.05). Conclusion Color Doppler ultrasound, especially high-frequency ultrasound for the preoperative positioning of acute appendicitis clinical effect is good, safe and efficient, worthy of clinical promotion and use.