The recent publication by K. I. Melville1 on the "Pressor and Oxytocic Fraction of Posterior Pituitary Extract" prompts this preliminary report of our experience with the use of the pressor fraction of posterior pituitary extract (pitressin) in selected patients having cholecystographic examinations. In the course of 600 cholecystographic examinations, the use of this preparation was deemed advisable in seventy-three instances.
Confusing densities in the right side of the abdomen, usually in the intestinal tract, constitute one of the most common handicaps to the accurate interpretation of cholecystograms, even though cleansing enemas are used as routine procedures. Not uncommonly, more gas is found in the intestinal tract after enemas have been used than was present before their administration. We have found the use of pitressin more effective than the use of enemas. It is a simpler procedure, requires less time, is less troublesome to the patient, particularly if not in a hospital
Collins EN, Root JC. ELIMINATION OF CONFUSING GAS SHADOWS DURING CHOLECYSTOGRAPHY BY THE USE OF PITRESSIN. JAMA. 1936;107(1):32. doi:10.1001/jama.1936.92770270004010b
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