Postoperative vomiting of a regurgitant type, first mucous, then bilious, finally brown, grumous and bloody, has been for many years a well known and much dreaded sequel of surgery, and has struck terror to the hearts of many surgeons after the performance of apparently simple and successful operations. The significance was so evident and a fatal result was so often inevitable as to dishearten the most buoyant optimist. Accompanied by slight icterus, relative or absolute suppression of urine, intestinal and gastric distention, tympanites and aperistalsis, it constitutes a pathologic picture long known and dreaded, yet little understood.
It is only within the last year or two that the true causes which have produced this symptom complex have been generally suspected and a solution of the problem seriously suggested. Even now when we seem to have struck the right lead, little has been done other than to suggest in an