Long-term results of palliative placement of very low-axial force self-expandable metallic stents for malignant colorectal obstruction
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View abstract on PubMed
Summary
This summary is machine-generated.This study found that very low axial force (AF) stents are safe and effective for palliative colorectal stent placement. These stents demonstrated low rates of adverse events like perforation, migration, and occlusion, supporting their use in malignant obstruction.
Area Of Science
- Gastroenterology
- Oncology
- Medical Devices
Background
- Malignant colorectal obstruction often requires palliative stent placement.
- High axial force (AF) stents are linked to increased perforation risk.
- Evaluating low AF stents is crucial for improving patient safety and outcomes.
Purpose Of The Study
- To assess the long-term safety and efficacy of a very low axial force (AF) stent for palliative colorectal decompression.
- To determine the rates of adverse events, survival, and patency associated with these stents.
Main Methods
- Eighty-one patients with malignant colorectal obstruction received a very low AF stent.
- Adverse events (perforation, migration, occlusion), 1-year survival, and cumulative patency were evaluated.
- Statistical analyses included Fisher's exact test and Kaplan-Meier survival analysis.
Main Results
- The 1-year cumulative survival rate was 37.8%.
- Cumulative patency rates at 1 year were 75.8%.
- Adverse events were low: migration (6.2%), occlusion (9.9%), and perforation (2.5%).
Conclusions
- Very low axial force (AF) stents are safe and effective for palliative management of malignant colorectal obstruction.
- These stents represent a suitable option for improving patient outcomes in this setting.
- No perforations occurred in patients receiving bevacizumab post-stenting.
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