尿停滞腎 (水腎) 初期における腎盂内圧についての研究

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The transition of the intraluminal pressure of the ureter or renal pelvis, obtaining continuous recordings, in cases of complete ureteral obliteration were studied both in men and in rabbits. To obtain records strain-guage manometer was used for men and simple mechanical manometer of our own design for rabbits. Complete obliteration was obtained by inflating the ureteral ballooncatheter inserted into the ureterin men and ligating of the ureter on the ureter alcatheter in rabbits. In men some cases of incomplete ureteral obliteration were also studied. Pyelograms were taken a few times during the course of recording in order to know the relation between size and intraluminal pressure of the renal pelvis. As in a few minutes after complete obliteration of the ureter, especially in its upper part, renal pehris and ureter fell into a single continuous canal, the intraluminal pressure of the ureter indicates at once, that of the renal pelvis. Results of our studies are as follows: In cases of acute ureteral obliteration the intraluminal pressure of the upper urinary tract is used to rise suddenly. In not a few cases it falls after a while (Fig.4). When we observe the longer recordigs, we find that, the intraluminal pressure becomes settled in a lower value than at the beginning, though fluctuations of the pressure, now rising now falling, are seen until then. ig.11). The size of the pyeldgram or the degree of pelvic stagnation increases usually as the time goes by, even when the intraluminal pressure falls (Fig.5-10,13). From our results we consider that the renal pelvis adapts and gets accustomed to the increased intraluminal pressure quickly. The repetition of this connection, which occurs always in the renal pelivs, results information of hydronephrosis. Though the rise and duration of the intrapelvic pressure is not remarkably high on each occasion, the very repetition plays a definite role in renal damage.
社団法人日本泌尿器科学会の論文

尿停滞腎 (水腎) 初期における腎盂内圧についての研究

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