Treatment of Unresectable Malignant Biliary Obstruction with Self-Expandable Stents
Author Information
Author(s): Andreas Glittli, Steven C. Stain, Hans U. Baer, Walter Schweizer, Jiorgen Triller, Leslie H. Blumgart
Primary Institution: Inselspital, University of Bern, Bern, Switzerland and Memorial Sloan-Kettering Cancer Center, Department of Surgery, New York
Hypothesis
Can self-expandable biliary endoprostheses provide effective palliation for patients with irresectable malignant biliary obstruction?
Conclusion
Self-expandable biliary endoprostheses can provide effective palliation for patients with unresectable malignant biliary obstruction, but complications and mortality rates are significant.
Supporting Evidence
- Complications occurred in 11 patients (31.4%), and five patients died within 30 days of stent placement (14.3%).
- The mean stent patency was 6.1 months, and the mean survival was 7.2 months.
- Excellent palliation was achieved for more than 75% of the survival time in 22 patients (76%).
- Seven patients had documented stent occlusion requiring further intervention (24%).
Takeaway
Doctors used special stents to help patients with blocked bile ducts feel better, and most patients felt good for a long time, but some had problems.
Methodology
The study involved placing 48 self-expandable metallic biliary endoprostheses in 35 patients with irresectable malignant biliary obstruction and monitoring their outcomes.
Limitations
The study had a small sample size and did not compare the results with conventional plastic stents directly.
Participant Demographics
16 males and 19 females, mean age 61.7 years (range 34-84).
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