Abstract:Objective To explore the effectiveness and safety of endoscopic retrograde cholangiopancreatography (ERCP) in the super-older patients ( ≥ 90 years old) with calculus of common bile duct.Methods This study retrospectively analyzed the data of elderly patients ≥ 65 years old with calculus of common bile duct who received ERCP treatment from January 2011 to December 2023. Among of them, patients ≥ 90 years old were in the super-older group, and patients over 65 years old but under 90 years old were in the non-super-older group. Subsequently, the baseline data of gender, number of stones, stone size, cholecystolithiasis, periampullary diverticulum, and common bile duct intubation of patients in the two groups were matched by the 1:1 propensity score matching method. After successful matching, the surgical success rate, stone removal rate, complication rate, and hospital stay in the two groups were compared.Results 428 older patients with calculus of common bile duct were included in this study, including 45 patients in the super-older group and 383 patients in the non-super-older group. After matching baseline data with a 1:1 propensity score matching, 44 patients were included in both the super-older group and non-super-older group. There was no statistically significant difference in the total underlying disease rate between the two groups [ 81.82% (36/44) vs 65.91% (29/44), P = 0.189 ], but the incidence rate of stroke [ 34.09% (15/44) vs 6.82% (3/44) ] and the ASA grading (grade III or IV) [ 97.73% (43/44) vs 38.64% (17/44) ] in the super-older group were significantly higher than those in the non-super-older group (P < 0.01). There were no statistically significant differences between the two groups in terms of ERCP surgical success rate [ 90.91% (40/44) vs 93.18% (41/44) ], stone removal rate [ 65.91% (29/44) vs 81.82% (36/44) ], complication rate [43.18% (19/44) vs 27.27% (12/44)], and median length of stay ( 15.00 d vs 14.50 d ) (P > 0.05).Conclusion ERCP is safe and effective in the super-older patients with calculus of common bile duct .