World journal of gastroenterology · 2026
Percutaneous transhepatic cholangioscopy-assisted procedures for the management of postoperative benign bilioenteric anastomotic strictures with or without biliary stones.
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Ren Xu, Wang Chen, Qu Yong-Ping, Tang Xiu-Fen, Xia Tian, Lu Yi-Xia, Sun Xiao-Mei
Аннотация
BACKGROUND: Postoperative benign bilioenteric anastomotic stricture (BBAS) is a serious complication of biliary surgeries.
AIM: To determine the efficacy and safety of percutaneous transhepatic cholangioscopy (PTCS)-assisted procedures, including stricture dilation and recanalization for BBAS and biliary stone therapy for concomitant stones.
METHODS: Patients with BBAS who received PTCS-assisted procedures were included. Primary outcomes were anastomotic patency (including initial anastomotic patency after stricture dilation and cumulative anastomotic patency after PTCS catheter removal) and treatment success (i.e., negative clinical clamping trial and removable indwelling PTCS catheter). Secondary outcomes were technical success for the three PTCS-assisted procedures, duration of the indwelling PTCS catheter, and adverse events.
RESULTS: Forty patients were included; 32 underwent PTCS-assisted stricture dilation/recanalization and 36 underwent biliary stone therapy. The initial patency rates were 58.1% and 41.9% at 1 and 2 years, respectively, and the cumulative patency rates were 74.3%, 59.7, 49.8%, and 34.8% at 1, 3, 5, and 7 years, respectively. The treatment success rate was 90.6% (29/32) for PTCS-assisted stricture procedures. The technical success rates were 100% (31/31), 87.5% (7/8), and 94.5% (34/36) for PTCS-assisted stricture dilation, recanalization, and biliary stone therapy, respectively. The median duration of the indwelling PTCS catheter in the 29 patients with treatment success was 6 (range: 2-109) months. Only one patient experienced acute bleeding, which was manageable.
CONCLUSION: PTCS-assisted procedures are efficacious and safe for the management of BBAS and concomitant biliary stones. Placement of an indwelling PTCS catheter across the anastomosis after stricture dilation improves the anastomotic patency.
AIM: To determine the efficacy and safety of percutaneous transhepatic cholangioscopy (PTCS)-assisted procedures, including stricture dilation and recanalization for BBAS and biliary stone therapy for concomitant stones.
METHODS: Patients with BBAS who received PTCS-assisted procedures were included. Primary outcomes were anastomotic patency (including initial anastomotic patency after stricture dilation and cumulative anastomotic patency after PTCS catheter removal) and treatment success (i.e., negative clinical clamping trial and removable indwelling PTCS catheter). Secondary outcomes were technical success for the three PTCS-assisted procedures, duration of the indwelling PTCS catheter, and adverse events.
RESULTS: Forty patients were included; 32 underwent PTCS-assisted stricture dilation/recanalization and 36 underwent biliary stone therapy. The initial patency rates were 58.1% and 41.9% at 1 and 2 years, respectively, and the cumulative patency rates were 74.3%, 59.7, 49.8%, and 34.8% at 1, 3, 5, and 7 years, respectively. The treatment success rate was 90.6% (29/32) for PTCS-assisted stricture procedures. The technical success rates were 100% (31/31), 87.5% (7/8), and 94.5% (34/36) for PTCS-assisted stricture dilation, recanalization, and biliary stone therapy, respectively. The median duration of the indwelling PTCS catheter in the 29 patients with treatment success was 6 (range: 2-109) months. Only one patient experienced acute bleeding, which was manageable.
CONCLUSION: PTCS-assisted procedures are efficacious and safe for the management of BBAS and concomitant biliary stones. Placement of an indwelling PTCS catheter across the anastomosis after stricture dilation improves the anastomotic patency.