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目的：研究肾小球滤过率（GFR）、分肾功百分比的价值。方法。用~(99)mTc－DTPA对92例进行了22分钟肾动态显像。结果：18例正常人的GFR值为128．56±31．46ml／min，多种泌尿系疾病患者的GFR较正常组明显减低，18例正常人的左、右分肾功百分比均为50％±2％，多种单侧肾、输尿管病变其病侧分肾功百分比较对侧正常明显降低。结论；GFR降低程度能较准确地反映肾小球受损的程度，分肾功百分比降低程度能反映该肾贡献出的总肾功部分下降的程度为外科手术前判断肾功提供较客观的依据。
Objective: To investigate the value of glomerular filtration rate (GFR) and percentage of renal function. method. Ninety-two patients underwent 22-minute renal dynamic imaging with ~ (99) mTc-DTPA. Results: The GFR of 18 normal subjects was 128.56 ± 31.46 ml / min. The GFR of various urological diseases was significantly lower than that of the normal group. The percentages of left and right kidney in 18 normal subjects were all 50% ± 2%, a variety of unilateral renal, ureteral lesions of the disease than the percentage of normal kidney significantly lower than the contralateral. Conclusion The degree of GFR can reflect the extent of glomerular damage more accurately. The decrease of percentage of renal function can reflect that the degree of decline of total renal function contributed by this kidney can provide an objective basis for judging renal function before surgery .