Quality standards and performance measures: steps to high quality diagnostic endoscopy

Quality improvement in many medical practices has been the important issue; upper gastrointestinal (GI) endoscopy is no exception. Increasing use of gastrointestinal endoscopy, particularly for cancer screening highlights the need for endoscopy facilities to review the quality of the service they offer (1). The main purpose of the screening upper GI endoscopy is to enhance the detection of and diagnostic accuracy for early upper GI cancer and make GI cancer-related mortality lower.