Background and aims: Guidelines on quality of upper GI (UGI) endoscopy have been proposed by the British Society of Gastroenterology (BSG) and European Society of Gastrointestinal Endoscopy (ESGE). However, these guidelines have not been evaluated in clinical practice. We aimed to measure the impact of endoscopist education on the quality of gastroscopy based on these guidelines and the association between compliance with guidelines and the detection of clinically significant premalignant pathology such as Barrett's esophagus (BE), esophageal squamous dysplasia, gastric intestinal metaplasia (GIM), and Helicobacter pylori.
Methods: Endoscopists participated in a 1-hour education session on recommended performance measures and endoscopic detection of premalignant pathologies. A controlled before and after study was performed, measuring compliance with guidelines and rates of detection of pathology in control and intervention groups.
Results: Over 2 years, 2719 procedures were performed: 1412 in the control group and 1307 in the intervention group. The proportion of procedures complying with guidelines was higher in the intervention group. The use of biopsy sampling protocols (eg, management of precancerous conditions of the stomach, 52% vs 91%; P = .007) and standardized terminology (eg, Forrest classification, 24% vs 68%; P < .001) was significantly higher. Detection of H pylori was higher in the intervention group (5.5% vs 9.8%, P = .003). Minimum inspection time of 7 minutes was associated with detection of BE (7.4% vs 2.0%, P < .001).
Conclusions: A simple endoscopist education session enhanced the quality of UGI endoscopy by improving compliance with BSG and ESGE recommendations and increasing the detection of clinically significant pathology. A minimum inspection time of 7 minutes was associated with increased diagnostic yield and may be a feasible quality indicator for clinical practice.
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