Objectives: propofol is a short-acting, hypnotic agent that is increasingly being used for gastrointestinal endoscopic sedation. There are concerns about the use of propofol by non anesthesiologists due to its potential for respiratory and cardiovascular depression. This report describes our experience concerning effectiveness and safety of propofol administered in endoscopic procedures by the endoscopist and the assistant nurse.Methods: in this prospective study, a total of 102 consecutive endoscopies (60 colonoscopies and 42 upper endoscopies) performed under sedation with propofol were included. In 27 (26.47%) endoscopies propofol was administered alone and in 75 endoscopies (73.53%) it was combined with benzodiazepines and/or opioids. Seventy-six (74.51%) endoscopies were performed in patients under 65 years of age and 26 (25.49%) in patients over 65 years of age. Ninety-one (89.22%) endoscopies were performed in patients with low surgical risk (ASA I-II) and 11 (10.78%) in patients with high surgical risk. The medication was administered by the endoscopist that performed the procedure and the assistant nurse.Results: the mean dose of propofol used was 72.14 mg for gastroscopies and 71.33 for colonoscopies (p = 0.92). The mean dose of propofol when infused alone was 84.81 mg whereas in combination with benzodiazepines/opioids was 66.93 mg (p = 0.06). The doses of propofol required were lower for those colonoscopies in which midazolam and/or meperidine was combined and in patients over 65 years of age (p = 0.006 y p = 0.001, respectively). Eleven (10.8%) minor complications were reported, and managed by the own endoscopist. Patients had no memories of the procedure. The tolerance rated by the endoscopist was excellent-good, fair, bad-very bad in 83, 5 and 12% of the gastroscopies and in 79, 8 and 13% of the colonoscopies respectively. Nevertheless bad tolerance did not hinder the completion of the procedure in any case.Conclusions: the administration of propofol by the endoscopist and the assistant nurse, is an effective and safe method of sedation in patients of low and high-risk as well as in elderly patients. The doses of propofol required for an adequate sedation were lower in patients over 65 years of age and for colonoscopies in which medication was combined.

We report the case of a patient that developed hepatic hydrothorax as the first complication of liver cirrhosis. Due to the lack of response to diuretics, pleurodesis and TIPS, treatment with octreotide was started with resolution of hydrothorax. To the best of our knowledge, this is the third reported case of refractory hepatic hydrothorax with complete and sustained response to octreotide.

A case of gangliocytic paraganglioma of the papilla of Vater in a 76-year-old man with a history of recurrent obstructive jaundice is presented. This is the first case of gangliocytic paraganglioma of the major papilla succesfully resected by endoscopic ampullectomy.

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