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It has been suggested that pre-procedural oral simethicone improves visibility in upper GI tract endoscopy. We examined three-hundred-thirty patients referred for upper endoscopy who were randomized and were required to swallow a placebo solution or one of three liquid simethicone solutions 15 min prior to the examination. These solutions contained 65 mg, 65 mg and 195 mg of drug dissolved in 90 ml, 30 ml and 90 ml of water, respectively. Patients treated with both dosages of simethicone revealed significantly less foam and bubbles in both the stomach and the duodenum compared to placebo. Only the 90 ml volume adequately cleared both locations. The reduction of examination time could be found both in patients with an intact stomach and in patients with or without gastric bile reflux, but was most striking in patients with previous gastric resection (examination time being reduced by almost 50% and the need of adjunctive lavage being reduced about 20 fold compared to placebo). In conclusion, pre-procedural oral simethicone should be routinely considered in patients with previous gastric resection. The utility of the drug is less evident in patients with normal gastric anatomy.

Early diagnosis of esophageal perforation is critical. We believe that the treatment of each case must be individualized. The management of perforation in our series has been "conservative" in two cases, for small perforations; and "operative", suture closure and drainage, in the remainder, for a large perforation with contamination of the mediastinum.

Endoscopy plays an important role in the treatment of complications of biliary stones [3]. An indication for endoscopic sphincterotomy (ES) may also occur in early complications after biliary surgery [23]. The indications for ES in our endoscopy unit over the past 10 years are presented in Table 1; those for patients with choledocholithiasis are listed in Table 2. Indications for emergency endoscopic sphincterotomy are urgent medical conditions that require a prompt, life-saving treatment. Indications for EES in our series are presented in Table 3.

La dysphagie sideropenique, denommee syndrome de Plummer-Vinson ou de Patterson-Kelly, est une affection non exceptionnelle, meme en Italie.

The authors analyze a retrospective study of 850 patients who underwent endoscopic sphincterotomy (ES). One group of patients (705) routinely had nasobiliary drainage following ES as a prophylactic measure to prevent complications, while 145 patients were not drained. Complications, mortality and the need for emergency surgery were compared in both groups. In the drained group, the complication rate was 2% vs 10.3% in the nondrained group (P less than 0.001), and mortality was 0.4% vs 2.7% (P = 0.03). Emergency surgery was required in 0.1% in the drained patients versus 3.4% in the nondrained group (P = 0.01). Based on these data within the limits of a retrospective study, the authors strongly support the routine use of nasobiliary drainage to prevent complications, which usually occur within the first 24 h, and also to facilitate the immediate treatment of the complications. This procedure is also highly recommended when ES is performed by inexperienced endoscopists and with a technically demanding ES, which is frequently followed by complications.