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Long-term experience in Wallstent therapy for malignant choledochal stenosis
N Hoepffner1, E C Foerster, B Högemann
1Department of Medicine B, University of Münster, Germany.
Endoscopy
|September 1, 1994
Summary
Self-expanding metal stents (Wallstent) effectively treat malignant bile duct obstruction, improving bilirubin levels. Patients surviving over three months show the most benefit from this jaundice treatment.
Area of Science:
- Gastroenterology
- Interventional Radiology
- Oncology
Background:
- Malignant bile duct stenosis causes significant morbidity and mortality.
- Endoscopic stenting offers a palliative treatment option for biliary obstruction.
Purpose of the Study:
- To evaluate the long-term efficacy and safety of self-expanding metal stents (Wallstent) for malignant bile duct stenosis.
Main Methods:
- A retrospective analysis of 118 patients with malignant bile duct stenosis treated with 127 Wallstents over four years.
- Focus on technical success, complication rates, serum bilirubin levels, stent patency, and survival.
Main Results:
- Technical success rate was high (95.8%), with minor complications managed endoscopically.
- Serum bilirubin levels significantly decreased post-stenting (8.0 to 2.0 mg/dl).
- Stent patency rates at 6, 12, and 18 months were 86%, 72%, and 64%, respectively.
Conclusions:
- Wallstent insertion is a safe and effective treatment for malignant bile duct stenosis.
- Patients surviving longer than three months are most likely to benefit from Wallstent placement.
- Long-term follow-up confirms durable stent patency and manageable complications.