The Ureteral Pressure Profile

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Abstract
In 10 anesthesized mongrel dogs ureteral pressure profiles were obtained with two types of high density polyethylene catheters. During the profilometry X-ray image intensification was performed. The data obtained from both ureters and also from both types of catheters did not show any statistically significant difference (p ≤ 0.05). Near the uretero-vesical junction a statistically significant biphasically shaped graph with mean pressures of 89.2 ± 5.25 and 81.7 ± 8.43 (SEM) mm Hg for the proximal and distal top, respectively, was seen (p ≤ 0.05). This phenomenon corresponds with the morphology, as mentioned in literature and as investigated in this experiment by X-ray photographs at post-mortem specimens.

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