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采用恒压灌注肾盂造影，即将恒压肾盂灌注试验与造影检查结合起来，对11例上尿路梗阻手术后的患者进行检查，结果8例通畅，3例梗阻。对8例通畅者拔管后进行随访，肾积水和肾功能均改善。认为恒压灌注肾盂造影能够定量、定位判断上尿路梗阻，准确可靠，特别适合于临床上经其它常规方法难以确定的上尿路梗阻病例。
Constant pressure perfusion pyelography, the upcoming constant pressure renal pelvis perfusion test combined with angiography, 11 cases of upper urinary tract obstruction patients after surgery, the results of 8 cases of patency, 3 cases of obstruction. Follow-up of 8 cases of extubation after extubation, hydronephrosis and renal function were improved. It is considered that constant pressure perfusion pyelography can quantify and locate upper urinary tract obstruction and is accurate and reliable. It is especially suitable for cases of upper urinary tract obstruction which is difficult to be determined by other conventional methods clinically.