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为探讨预测肾功能恢复的客观指标，本文对２２例患者术前Ｂ超测定肾实质厚度、集合系统结构形态和术中测积水肾盂尿ｐＨ值进行分析，结果表明：肾实质厚度＞５ｍｍ，尿ｐＨ值≤６，肾功能完全恢复；肾实质厚度３～５ｍｍ，尿ｐＨ值６．１～６．５．肾功能均基本恢复；肾实质厚度２～２．９ｍｍ，尿ｐＨ值６．６～７．１，肾功能均部分恢复；肾实质菲薄，尿ｐＨ值＞７．１，肾功能均不能恢复。此外，肾实质厚度和尿ｐＨ值的改变与病程有密切关系，病程越长，患侧肾的损害越重，肾功能恢复的机会就越小。由此认为，肾实质厚度、患侧肾盂尿ｐＨ值及病程对预测梗阻性无功能肾脏均有参考价值。
In order to explore the objective indexes for predicting the recovery of renal function, we analyzed the thickness of renal parenchyma, the structure of collection system and the pH value of intraoperative hydronephrosis in 22 patients. The results showed that the thickness of renal parenchyma> 5mm, Urine pH ≤ 6, complete recovery of renal function; renal parenchyma thickness 3 ~ 5mm, urine pH value 6.1 ~ 6.5. Renal function were basically recovered; renal parenchyma thickness 2 ~ 2.9mm, urine pH 6.6 ~ 7.1, renal function were partially recovered; renal parenchyma, urine pH> 7.1, renal function can not be restored. In addition, the change of renal parenchymal thickness and urinary pH value is closely related to the course of the disease. The longer the course of disease, the more severe the damage of ipsilateral kidney and the less chance of renal function recovery. Therefore, the renal parenchyma thickness, ipsilateral renal pelvic urinary pH and duration of the prognosis of obstructive non-functional kidney have reference value.