INVESTIGATION OF URINE TRANSPORT IN URETER OF PIG BY X-RAY VIDEODENSITOMETRY .2. EFFECT OF AN INCREASING OBSTRUCTION ON VELOCITY, RHYTHM, AND EFFICIENCY OF CONTRACTION WAVES

  • 1 January 1976
    • journal article
    • research article
    • Vol. 13  (6) , 410-413
Abstract
The effect of an increasing acute obstruction on the motility of the ureter was analyzed by means of X-ray videodensitometry. The mean wave velocity decreases and the efficiency of the individual contraction is reduced. The lumen of the ureter is no longer closed completely and an increasing fraction of the urine bolus flows backward. The regurgitation can be seen cineradiographically and assessed semiquantitatively by densitometry.

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