BODY FLUID CHANGES DUE TO UPPER INTESTINAL OBSTRUCTION

Abstract
In experimental studies of the problems presented by acute intestinal obstruction, three main types of obstruction have been dealt with. First, simple blockage of the lumen of the bowel; this type may be divided into high blockage and low blockage. Second, occlusion of the loop of bowel, with or without reestablishment of the continuity of the gastro-intestinal tract. Third, obstruction of the bowel plus gross interference with its circulation. Although there is some overlapping, in general these three types of obstruction produce quite different results and therefore probably differ profoundly in their pathology and physiology. Failure to appreciate these differences is responsible for a great deal of confusion that exists in the literature on the subject of intestinal obstruction. The data and discussion presented in this paper apply only to the first mentioned type of intestinal obstruction; viz., simple blockage of the lumen of the bowel in the upper part

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