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Retrograde EsophagoscopyCategory: ACQUIRING SKILL Source: A Manual Of Peroral Endoscopy And Laryngeal Surgery The first step is to get rid of the gastric secretions. There is always fluid in the stomach, and this keeps pouring out of the tube in a steady stream. Fold after fold is emptied of fluid. Once the stomach is empty, the search begins for the cardial opening. The best landmark is a mark with a dermal pencil on the skin at a point corresponding to the level of the hiatus esophageus. When it is desired to do a retrograde esophagoscopy and the gastrostomy is done for this special purpose, it is wise to have it very high. Once the cardia is located and the esophagus entered, the remainder of the work is very easy. Bouginage can be carried out from below the same as from above and may be of advantage in some cases. Strictural lumina are much more apt to be concentric as approached from below because there has been no distortion by pressure dilatation due to stagnation of the food operating through a long period of time. At retrograde esophagoscopy there seems to be no abdominal esophagus and no cardia. The esophagoscope encounters only the diaphragmatic pinchcock which seems to be at the top of the stomach like the puckering string at the top of a bag. Retrograde esophagoscopy is sometimes useful for stringing the esophagus in cases in which the patient is unable to swallow a string because he is too young or because of an epithelial scaling over of the upper entrance of the stricture. In such cases the smallest size of the author's filiform bougies (Fig. 40) is inserted through the retrograde esophagoscope (Fig. 43) and insinuated upward through the stricture. When the tip reaches the pharynx coughing, choking and gagging are noticed. The filiform end is brought out the mouth sufficiently far to attach a silk braided cord which is then pulled down and out of the gastrostomic opening. The braided silk string must be long enough so that the oral and the abdominal ends can be tied together to make it endless; but before doing so the oral end should be drawn through nose where it will be less annoying than in the mouth. The purpose of the string is to pull up the retrograde bougies (Fig. 35) Next: Acquiring Skill Previous: Complications Following Esophagoscopy
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