PYELOVENOUS BACK FLOW

Autor: BIRD, CLARENCE E., MOISE, THEODORE S.
Zdroj: JAMA: Journal of the American Medical Association; March 1926, Vol. 86 Issue: 10 p661-663, 3p
Abstrakt: A reflux of material from the renal pelvis into the veins of the kidney was described in a recent communication by Hinman and Lee-Brown.1 The reflux occurred at low intrapelvic pressures varying from 30 to 60 mm. of mercury both in the living and in the recently removed kidneys of sheep, rabbits and dogs.Although the site of this "pyelovenous back flow" was not definitely determined, injections of collodion and Berlin blue and roentgenograms after injection of sodium bromid solution appeared to show that one or more channels in the region of the tips of the minor calices were forced open, through which material in the renal pelvis flowed directly into a neighboring vein. This phenomenon apparently occurred without the slightest extravasation into the tissues.These authors made a special point of the observation that in their experiments none of the fluid was ever found higher in the tubular
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