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目的根据输尿管排尿情况评价慢性肾功能不全者的肾功能。方法选择不同程度的慢性肾功能不全患者30例,正常查体者30例,饮水500ml后约45-60min,在泌尿功能达到高峰时,应用彩色多普勒超声以观测血流的方法,观测输尿管膀胱开口处的尿流形态、尿流速度、排尿频率。结果正常者彩色多普勒尿流呈鲜红色,尿流速度28-56cm/s,排尿频率4-8次/min。慢性肾功能不全者尿流速度、排尿频率明显降低,且随肾功能不全加重而加重。结论输尿管排尿的峰值指标与肾功能密切相关,对慢性肾功能不全者通过观测输尿管排尿,可早期发现肾功能改变并初步判定肾功能状态。
Objective To evaluate the renal function of patients with chronic renal failure based on ureteral voiding. Methods 30 patients with different degrees of chronic renal insufficiency, 30 patients with normal examination, 500ml of drinking water after about 45-60min, at the peak of urinary function, the use of color Doppler ultrasound to observe the blood flow method to observe the ureter The shape of urinary flow at the opening of the bladder, urinary flow rate, frequency of urination. Results of normal color Doppler urine was bright red urine flow velocity of 28-56cm / s, urination frequency 4-8 times / min. Chronic renal insufficiency, urinary flow rate, urination frequency was significantly reduced, and aggravated with renal insufficiency. Conclusions The peak index of ureteral voiding is closely related to renal function. Through the observation of urinary ureter in patients with chronic renal insufficiency, the change of renal function can be detected early and renal function status can be preliminarily determined.