[Staging gastritis with the OLGA system: prevalence of advanced stages of gastric atrophy in Mexican patients].

Introduction: Gastric adenocarcinoma of intestinal type is preceded by inflammation, which produces mucosal atrophy and intestinal metaplasia, progressing eventually to dysplasia and invasive cancer. Recently an international group, the Operative Link on Gastritis Assessment (OLGA) proponed a staging system for gastric biopsies.

Objective: To recognize the distribution of advanced stages of gastric mucosal atrophy in Mexican patients with dyspepsia according to the OLGA system.

[Level of satisfaction from patients who undergone an endoscopic procedure and related factors].

Background: Patient satisfaction is a cognitive and emotional evaluation of the patient on the performance of health staff and is based on relevant aspects of their experience in health care.

Aim: To determine the satisfaction level of patients after an endoscopic procedure in the gastrointestinal endoscopy service Specialty Hospital National Medical Center La Raza and to evaluate associated factors.

Material And Methods: A modified and validated questionnaire was applied to assess patient satisfaction after an endoscopic procedure (mGHAA-9) in patients who underwent a gastroscopy or colonoscopy.

[Indicators of quality evaluation registry for upper gastrointestinal endoscopy in a tertiary referral Hospital in Mexico City.].

Background: There is a need to evaluate the process of quality improvement in health care services.

Aims: To determine quality indicators, frequencies into the registry of upper gastrointestinal endoscopies in a tertiary academic hospital in Mexico City.

Material And Methods: A retrospective, observational and transversal study was performed in the Specialty Hospital Dr.

[Obesity, symptoms of gastroesophageal reflux and endoscopic findings in a referral hospital].

Objective: To determine association between obesity, gastroesophageal reflux symptoms, hiatus hernia and erosive esophagitis.

Methods: Consecutive patients who underwent upper endoscopies at our center were studied. Before endoscopy, through a direct interview all subjects were asked to complete the Carlsson-Dent questionnaire.

[Association between symptomatic gastroesophageal reflux and Barrett's esophagus].

Background Data: Barrett esophagus is a proximal displacement of the squamocolumnar junction relative to the gastroesophageal junction with intestinal metaplasia, it has been linked to gastroesophageal reflux disease. However, it has been observed in individuals without gastroesophageal reflux symptoms, with prevalence up to 25% in 50 years older men.

Objective: Assess the association between symptomatic gastroesophageal reflux and Barrett's esophagus.