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一般医院多用12.5%碘化钠溶液作逆行肾盂造影代替有机碘制剂;但12.5%碘化钠溶液经输尿管导管注入肾盂后,病人可有腰部难忍的疼痛而发生战慓抖动,呼吸难以抑制,影响拍片,往往拍照不清楚产生廢片。鉴于上述原因,我们先经输尿管导管注入2%奴夫卡因溶液5-8毫升于肾盂,作肾盂表面麻醉,然后注入12.5%碘化钠溶液而拍片。这样麻醉后,疼痛大为减轻,拍的照片较清晰,廢片减少。由于肾盂经过麻醉,免去了碘化钠溶液对肾盂刺激引起之收缩,肾盏肾盂影像更接近正常,这祥对检查是有益的。最后,应该指出,麻醉后注射造影剂的压力必须留意,不能
General hospital with 12.5% sodium iodide solution for retrograde pyelography instead of organic iodine preparations; but 12.5% sodium iodide solution through the ureteral catheter into the renal pelvis, the patient may have unbearable waist pain and war jitter occurs, breathing is difficult to suppress, Impact filming, often take pictures unclear produce scrap pieces. In view of the above reasons, we first inject 5-8 ml of 2% Nuvucaine solution in the renal pelvis via the ureteral catheter to make the surface of the renal pelvis anesthesia, and then inject 12.5% sodium iodide solution into the film. After anesthesia, the pain is greatly reduced, the picture taken is sharper and the waste piece is reduced. As the renal pelvis anesthesia, eliminating the sodium iodide solution caused by the contraction of the renal pelvis, renal calyx image closer to normal, this Cheung is beneficial to the inspection. Finally, it should be noted that the pressure of anesthetic injection of contrast agents must pay attention, can not