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目的比较99mTc-DTPA肾动态显像和静脉肾盂造影(IVP)评价肾功能的价值。方法回顾性分析117例经临床症状、体征、B超、CT及生化检查等确诊为肾脏疾病患者的99mTc-DTPA肾动态显像和IVP检查资料。结果⑴在234只受检肾脏中,101只IVP提示肾功能良好,肾动态显像肾摄取均正常,GFR值为(60.13±16.85)ml/min;⑵48只患肾IVP提示显影不良,核素肾动态显像患肾摄取为1～3级,GFR值(23.06±10.61)ml/min;⑶、IVP不显影的患肾85只,71.8%(61/85只)肾动态显像提示有放射性摄取,GFR为(20.39±12.54)ml/min,其中,13.1%(8/61只)肾摄取正常(0级);⑷肾动态显像检出的有功能肾脏多于IVP(P<0.005)。结论99mTc-DTPA肾动态显像是评价肾功能的理想方法,优于IVP,IVP患肾不显影时应进一步行99mTc-DTPA肾动态显像。
Objective To evaluate the value of 99mTc-DTPA renal dynamic imaging and intravenous pyelography (IVP) in evaluating renal function. Methods The clinical data of 99mTc-DTPA renal dynamic imaging and IVP in 117 patients diagnosed as renal disease by clinical symptoms, signs, B-ultrasound, CT and biochemical examination were retrospectively analyzed. Results (1) Of the 234 kidneys tested, 101 IVP patients showed good renal function and renal dynamic imaging was normal. The GFR value was (60.13 ± 16.85) ml / min. (2) Renal dynamic imaging of renal uptake level 1 to 3, GFR (23.06 ± 10.61) ml / min; ⑶, IVP non-imaging of the affected kidney 85, 71.8% (61/85) renal dynamic imaging prompted radioactive GFR was (20.39 ± 12.54) ml / min, of which 13.1% (8/61) had normal renal function (grade 0). (4) Kidney dynamic imaging showed more renal function than IVP (P <0.005) . Conclusion 99mTc-DTPA renal dynamic imaging is an ideal method to evaluate renal function, which is superior to IVP. 99mTc-DTPA renal dynamic imaging should be performed in patients with IVP without renal development.