Sergio Araya Guzman

Learn More
OBJECTIVE To evaluate safety, weight loss, and cardiometabolic changes in obese subjects implanted with the duodenal-jejunal bypass liner (DJBL) for 1 year. BACKGROUND The DJBL is an endoscopic implant that mimics the duodenal-jejunal bypass component of the Roux-en-Y gastric bypass. Previous reports have shown significant weight loss and improvement in(More)
Background: One of the best Public Health achievements in Chile has been the coverage of the program for detection and treatment or cervical cancer. Aim: To evaluate the results of the Cervical Cancer Screening Program in Valdivia Health Service (Southern Chile) between 1993 and 2003. Material and methods: Retrospective review of the number of women in whom(More)
BACKGROUND Surgical resection is the only treatment associated with long-term cure in patients with liver metastasis from colorectal cancer, achieving a 30% to 40% five years survival. AIM To evaluate the results of liver resection for metastatic colorectal cancer in our centre. PATIENTS AND METHODS Retrospective study. Epidemiological, perioperative(More)
OBJECTIVE To describe a group of patients with frequent tophaceous gout, the variables associated with severe tophaceous gout and to compare them with other patients with gout described elsewhere. METHODS We looked for 65 demographic clinical and paraclinical variables from patients with gout who attended our gout clinic from 1995-2000 and were evaluated(More)
Health care organizations are unsafe. Numerous centers have incorporated the WHO Surgical Safety Checklist in their processes with good results; however, only limited information is available about its effectiveness in Latin America. We aimed to evaluate the impact of the checklist implementation on the in-hospital morbidity and mortality rate in a tertiary(More)
Currently, one of the main objectives of human-animal interaction research is to demonstrate the benefits of animal assisted therapy (AAT) for specific profiles of patients or participants. The aim of this study is to assess the effect of an AAT program as an adjunct to a conventional 6-month psychosocial rehabilitation program for people with(More)
We assessed the rates of methane uptake (CH4) by soils of different tree plantations and a control to provide information regarding potential greenhouse gas sequestration by tree plantations of pines, mixed deciduous species and eucalyptus in a natural grassland around 37S, 59W (Argentinean Pampa). A naturalized pasture was used as control. All sites had(More)
Background: Early gastric cancer involves mucosa and submucosa, independent of lymph node involvement. Radical gastrectomy is the standard treatment. Aim: To assess long term survival of patients operated for an early gastric cancer. Material and methods: Retrospective review of medical and pathology records of patients subjected to a gastrectomy for an(More)
  • 1