Objective Intravenous Pyelography(IVP) was a traditional and convenient method to examine the renal secretion and provide effective examination for clinical renal lithotnty. Methods A photo was taken for patient abdomen before intravenous radiography. Radiography was taken in the 7th, 15 th and 25 th minute after injecting contrast agent. The radiography should be delayed if the development failed. According to the development of renal secretory function.radiography could be taken in 30 th, 50 th, 60 th, 90 th, 120 th. 180 th, 240 th minute. Renal secretory should be observed to determine whether lithotnpsy should be taken. Results 15 000 cases of intravenous radiography did not abandon a photo.In the cases, there are more males than females, more middle-aged than elderly ones, while the youthful patients are the least. More cases of kidney stone occurs in left kidney. In the cases of double kidney stones, there are more males than female. Conclusion The 500 mA X-ray machine has been used for twenty years. The machine was checked and maintained immediately after radiography to ensure the normal function. It embodies the clinical value of old equipment and old methods, besides, it saves medical costs for patients.[Chinese Medical Equipment Journal, 2011 , 32 ( 7) : 67-68]%目的:探讨如何利用老设备和传统的静脉肾盂造影方法来检查肾脏分泌功能,进而为临床医生实施肾碎石术提供有效检查依据的临床价值.方法:在静脉造影前患者需要投照腹部平片,注射造影剂7、15、25 min进行拍片,如25 min未见肾脏显影患者需要进行延迟摄片,根据患者肾脏分泌功能显影情况,可分为30、50、60、90、20、180、240 min进行摄片,观察肾脏分泌功能是否存在,有效给临床提供可靠检查依据,确定患者碎石是否开始进行.结果:15 000例静脉肾孟造影,未发生一例废片.在病例中男性多于女性,中年多于老年,老年多于青年,男性、女性的左肾结石发病率亦高于右肾,双肾结石发病率男性高于女性.结论:所用的500mA X线机已有20多年历史,通过采用每一例患者造影后,即进行设备检查和保养,保证了设备工作运行正常,也体现出老设备和老方法的临床应用价值,同时也为患者节约了医疗费用.
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