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| Complications of common bile duct stones: A risk factors analysis |
| Dong Jun Oh, Ji Hyung Nam, Dong Kee Jang, Jun Kyu Lee ∗ |
Department of Internal Medicine, Dongguk University Ilsan Hospital, Goyang 10326, Korea
∗ Corresponding author.
E-mail address: gerome@dumc.or.kr (J.K. Lee). |
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Abstract Background: The latest guidelines recommended that common bile duct stones (CBDSs) should be removed, preferably endoscopically, regardless of the presence of symptoms or complications. However, the removal of CBDSs may not be feasible in very old patients or those with co-morbidities. In these cases, it is important to understand the risk factors for the development of CBDSs-related complications to decide whether or not to treat high-risk patients. Herein, we aimed to identify the risk factors for the development of complications after the diagnosis of CBDSs.
Methods: The medical records of patients with CBDSs between October 2005 and September 2019 were retrospectively analyzed. All patients with radiologically-diagnosed CBDSs, including those who received treatment and those who did not, were analyzed.
Results: A total of 634 patients were included and 95 (15.0%) patients had CBDS-related complications during the mean follow-up period of 32.6 months. Forty-four (6.9%) high-risk patients remained asymptomatic and did not receive treatment during the follow-up period. In multivariate analyses, size of CBDSs ≥ 5 mm and no treatment within 30 days were independent risk factors for the development of complications. The spontaneous passage of CBDSs was proved radiologically in 9 out of 81 (11.1%) patients within 30 days.
Conclusions: It is recommended treating CBDSs within 30 days from the diagnosis, even in high-risk patients, especially if the size is larger than 5 mm.
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2021, Vol. 20 
