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A 44-year-old woman was admitted with severe epigastric pain and jaundice seven months after cholecystectomy. Retrograde cholangiography revealed a solitary floating stone in the common bile duct. Endoscopic electrosurgical papillotomy was successfully performed and the stone was extracted with a basket-tipped catheter. During a total of 11 papillotomies no complications were noted. Of these cases stones were completely removed in 7. Follow-up observations were negative in regard to stenosis, secondary inflammation of the bile ducts or reflux pancreatitis.

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This paper reports the electrophysiologic activity of the canine stomach after transaction at various levels followed by end-to-end anastomosis. The spike discharges remain little changed when the transection line is placed in the upper third of the stomach or adjacent to the pyloric ring. When the stomach is divided and anastomosed in the corpus or the pyloric antrum 3-4 cm apart from the pyloric ring, on the other hand, the activity is considerably modified in the portion distal to the line of anastomosis. The changes on this occasion include an increase of the discharge interval and an appearance of antiperistaltic discharges, probably representing automatism of the stomach. Although such changes are subject to physiological adaptation, they persist for a considerably long period after the operation.

No abstract