[Role of pulse oximetric monitoring during gastrointestinal endoscopy. Prospective multicenter study of the Gastroenterology Working Group of the Veszprém Regional Committee of the Hungarian Academy of Sciences (VEAB)].

Introduction: Recent guidelines recommend routine pulse oximetric monitoring during endoscopy, however, this has not been the common practice yet in the majority of the local endoscopic units.

Aims: To draw attention to the importance of the routine use of pulse oximetric recording during endoscopy.

Method: A prospective multicenter study was performed with the participation of 11 gastrointestinal endoscopic units.

Strongyloides hyper-infection causing life-threatening gastrointestinal bleeding.

A 55-year old male patient was diagnosed with strongy-loides hyper-infection with stool analysis and intestinal biopsy shortly after his chemotherapy for myeloma. He was commenced on albendazole anthelmintic therapy. After initiation of the treatment he suffered life-threatening gastrointestinal (GI) bleeding.

[Changes in the treatment of choledocholithiasis].

Unlabelled: The therapeutic approaches to gallstone disease and bile duct stone changed dramatically in the last decade by spreading of endoscopic and laparoscopic methods. The authors have reviewed the most frequent curing methods of bile duct stone recently. They examined patients treated for gallstone and common bile duct stone in Surgical Department and Gastroenterological Department of their hospital.

[Bouveret syndrome diagnosed by endoscopy].

The case of a 74 years old woman suffered from a gallstone disease for 5 years is reported. In the background of the upper abdominal pain and vomiting, which necessitated her hospitalization, a large-size gallstone penetrated into the duodenal bulb and obstructed pyloric channel was found by endoscopic examination. The upper duodenal ileus was verified during the operation, gastroduodenotomy and cholecystectomy were performed, and the 7 x 4 cm size gallstone was removed.