Endoscopy, Table of Contents Endoscopy 2021; 53(06): 627-628DOI: 10.1055/a-1371-1427 Editorial Comfortable, lightly sedated colonoscopyReferring to Nass KJ et al. p. 619–626Authors Author Affiliations Roland Valori Gastroenterology, Gloucestershire Hospitals, Gloucester, United Kingdom Recommend Article Abstract Buy Article(opens in new window) Refers to:Impact of sedation on the Performance Indicator of Colonic IntubationEndoscopy 2021; 53(06): 619-626DOI: 10.1055/a-1254-5182 Full Text References References 1 Valori RM, Cortas G, de Lange T. et al. Performance measures for endoscopy services: an ESGE Quality Improvement Initiative. Endoscopy 2018; 50: 1186-1204 2 Kaminski MF, Regula J, Kraszewska E. et al. Quality indicators for colonoscopy and the risk of interval cancer. N Engl J Med 2010; 362: 1795-803 3 Anderson R, Burr NE, Valori R. Causes of post colonoscopy colorectal cancer based on World Endoscopy Organisation system of analysis. Gastroenterology 2020; 158: 1287-1299 4 Valori RM, Damery S, Gavin D. et al. A new composite measure of colonoscopy: the Performance Indicator of Colonic Intubation (PICI). Endoscopy 2018; 50: 40-51 5 Nass KJ, van Doorn SC, van der Vlugt M. et al. Impact of sedation on the Performance Indicator of Colonic Intubation. Endoscopy 2021; 53: 619-626 6 Li P, Ma B, Gong S. et al. Effect of dynamic position changes during colonoscope withdrawal: a meta-analysis of randomized controlled trials. Surg Endosc 2020;