Abstract
We evaluated the prognosis after endoscopic treatment for choledocholithiasis, particularly in patients with borderline tolerance to surgery. Stone removal and cholecystectomy are generally recommended for patients with choledocholithiasis combined with gallstones to prevent recurrent biliary events. However, the prognosis after choledocholithiasis treatment in patients with borderline tolerance to surgery, such as the elderly or those with many comorbidities, remains controversial. We retrospectively analyzed data from patients with choledocholithiasis treated at our facility between January 2012 and December 2021. Patients who underwent endoscopic sphincterotomy were dichotomized into the cholecystectomy (CHOLE) and conservation (CONS) groups depending on whether cholecystectomy was performed, and their prognoses were subsequently compared. Furthermore, we performed a logistic regression analysis of the factors contributing to recurrent biliary events in patients with high age-adjusted Charlson Comorbidity Index (aCCI) scores. Of 169 participants, 110 had gallstones and were divided into the CHOLE (n=56) and CONS (n=54) groups. The CONS group was significantly ordered, had more comorbidities, and higher aCCI scores, whereas the CHOLE group had fewer recurrent biliary events, although not significant (P= 0.122). No difference was observed in the recurrent incidence of grade ≥ 2 biliary infections and mortality related to biliary events between the groups. In patients with aCCI scores ≥ 5, conservation without cholecystectomy was not an independent risk factor for recurrent biliary events. Cholecystectomy after choledocholithiasis treatment prevents recurrent biliary events, but conservation without cholecystectomy is a feasible option for patients with high aCCI scores.
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