Distal malignant biliary obstruction : a prospective randomised trial comparing plastic and uncovered self-expanding metal stents in the palliation of symptomatic jaundice

Bernon, M. M. ; Shaw, J. ; Burmeister, S. ; Chinnery, G. ; Hofmeyr, S. ; Kloppers, J. C. ; Jonas, E. ; Krige, J. E. J. (2018)

CITATION: Bernon, M. M., et al. 2018. Distal malignant biliary obstruction : a prospective randomised trial comparing plastic and uncovered self-expanding metal stents in the palliation of symptomatic jaundice. South African Journal of Surgery, 56(1):30-34, doi:10.17159/2078-5151/2018/v56n1a2208.

The original publication is available at http://www.scielo.org.za

Article

Background: The aim of this study was to determine the safety and clinical effectiveness of 10Fr plastic biliary stents compared to uncovered self-expanding metal stents (SEMS) for palliative treatment of patients with inoperable extra-hepatic malignant biliary obstruction in a public hospital in South Africa. Methods: From January 2009 to December 2013, 40 patients who were admitted to a tertiary academic centre because of distal malignant biliary obstruction were enrolled in a prospective randomized study. Patients were randomly assigned to receive an uncovered SEMS or a plastic stent deployed through the biliary stricture during endoscopic retrograde cholangiopancreatography (ERCP). Results: Patient survival time in the two groups did not differ significantly (median: SEMS – 114 days; plastic – 107 days). Stent failure was more common in the plastic stent group (7/19 vs. 1/21). The results became significant after 6 months of follow-up. There was no significant difference between the two groups in the incidence of serious adverse events. Conclusions: SEMS had a longer duration of patency than plastic stents, which recommends their use in the palliative treatment of patients with biliary obstruction due to distal malignant biliary obstruction.

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