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Войти в исследования Saudi journal of gastroenterology : official journal of the Saudi Gastroenterology Association · 2015
Superiority of 10-mm-wide balloon over 8-mm-wide balloon in papillary dilation for bile duct stones: A matched cohort study.
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Akiyama Dai, Hamada Tsuyoshi, Isayama Hiroyuki, Nakai Yousuke, Tsujino Takeshi, Umefune Gyotane, Takahara Naminatsu, Mohri Dai, Kogure Hirofumi, Matsubara Saburo, Ito Yukiko, Yamamoto Natsuyo, Sasahira Naoki, Tada Minoru, Koike Kazuhiko
Аннотация
BACKGROUND/AIMS: Endoscopic papillary balloon dilation (EPBD) is a possible alternative to endoscopic sphincterotomy (EST) for common bile duct (CBD) stones. To date, 10- and 8-mm EPBD have not been fully compared.
PATIENTS AND METHODS: Patients who underwent EPBD for CBD stones at two Japanese tertiary care centers between May 1994 and January 2014 were identified. Matched pairs with 10- and 8-mm EPBD were generated. Short- and long-term outcomes were compared between the two groups.
RESULTS: A total of 869 patients were identified (61 and 808 patients for 10- and 8-mm EPBD, respectively), and 61 well-balanced pairs were generated. The rate of complete stone removal within a single session was higher in the 10-mm EPBD group than in the 8-mm EPBD group (69% vs. 44%, P < 0.001), and use of lithotripsy was less frequent in the 10-mm EPBD group (23% vs. 56%, P < 0.001). The rates of post-ERCP pancreatitis were similar between the 10- and 8-mm EPBD groups (11% vs. 8%). Cumulative biliary complication-free rates were not statistically different between the two groups: 88% [95% confidence interval (CI): 79-97%] and 94% (95% CI: 88-100%) at 1 year and 69% (95% CI: 56-85%) and 80% (95% CI: 69-93%) at 2 years in the 10- and 8-mm EPBD groups, respectively. In the 10-mm EPBD group, ascending cholangitis was not observed, and pneumobilia was found in 5% of cases during the follow-up period.
CONCLUSIONS: EPBD using a 10-mm balloon for CBD stones is safe and more effective than 8-mm EPBD. The sphincter function is highly preserved after 10-mm EPBD.
PATIENTS AND METHODS: Patients who underwent EPBD for CBD stones at two Japanese tertiary care centers between May 1994 and January 2014 were identified. Matched pairs with 10- and 8-mm EPBD were generated. Short- and long-term outcomes were compared between the two groups.
RESULTS: A total of 869 patients were identified (61 and 808 patients for 10- and 8-mm EPBD, respectively), and 61 well-balanced pairs were generated. The rate of complete stone removal within a single session was higher in the 10-mm EPBD group than in the 8-mm EPBD group (69% vs. 44%, P < 0.001), and use of lithotripsy was less frequent in the 10-mm EPBD group (23% vs. 56%, P < 0.001). The rates of post-ERCP pancreatitis were similar between the 10- and 8-mm EPBD groups (11% vs. 8%). Cumulative biliary complication-free rates were not statistically different between the two groups: 88% [95% confidence interval (CI): 79-97%] and 94% (95% CI: 88-100%) at 1 year and 69% (95% CI: 56-85%) and 80% (95% CI: 69-93%) at 2 years in the 10- and 8-mm EPBD groups, respectively. In the 10-mm EPBD group, ascending cholangitis was not observed, and pneumobilia was found in 5% of cases during the follow-up period.
CONCLUSIONS: EPBD using a 10-mm balloon for CBD stones is safe and more effective than 8-mm EPBD. The sphincter function is highly preserved after 10-mm EPBD.