Abstract
Ureteric function was investigated by simultaneous intraureteric pressure recording (ureterometry) and retrograde ureteropyelography. With a multichannel catheter, intraluminal pressures can be recorded simultaneously at three levels in the ureter. The catheter can also be used to inject contrast medium. In normal antegrade peristalsis, an interval of 0.5-1.5 sec. was observed from the disappearance of the urine bolus to the recording of the maximal contraction pressure. In cases of long-lasting retroperistalsis, the urinary flow was impaired. Combined ureterometry and ureteropyelography appears to be a valuable method for detailed studies of ureteric function.
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