The Correlation between Contrast Excretion and Arterial and Intrapelvic Pressures in Urography

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Abstract
The investigation carried out in rabbits indicates that the nephrographic effect in urography depends upon variations in the arterial and intrapelvic pressures. With a lowering in the systolic blood pressure the contrast medium accumulates in the kidneys and the filling of the pelves ceases as occurs in shock in human subjects. When the intrapelvic pressure is increased there is again an accumulation of contrast medium comparable to that found in stasis in man.

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