OC.11.1 GASTRIC PERORAL ENDOSCOPIC MYOTOMY (G-POEM) FOR REFRACTORY GASTROPARESIS: 12-MONTH FOLLOW-UP RESULTS FROM AN ITALIAN TERTIARY HOSPITAL. (May 2022) - Barchi, A.; Mandarino, F.V.; Azzolini, F.; Testoni, S.G.G.; Fanti, L.; Esposito, D.; Biamonte, P.; D'Amico, F.; Danese, S.