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Covered versus uncovered stent insertion for malignant superior vena cava obstruction
Zi-Shan Wang1, Chen-Wei Li1, Jian-Xin Li1
1Department of Thoracic Surgery, Ningbo First Hospital, Zhejiang, China.
Covered stents offer superior long-term patency for malignant superior vena cava obstruction (SVCO) compared to uncovered stents. Both stent types demonstrate high technical and clinical success rates in treating SVCO.
Area of Science:
- Interventional Radiology
- Oncology
- Vascular Surgery
Background:
- Malignant superior vena cava obstruction (SVCO) significantly impacts patient quality of life.
- Stent insertion is a primary treatment for malignant SVCO.
Purpose of the Study:
- To compare the clinical efficacy of covered versus uncovered stent insertion for malignant SVCO.
- To evaluate stent patency and overall survival in patients undergoing stent insertion for malignant SVCO.
Main Methods:
- A retrospective study of 64 patients with malignant SVCO treated with either covered (30 patients) or uncovered (34 patients) stents.
- Comparison of technical success, clinical success, stent patency, and overall survival between the two groups.
Main Results:
- Both covered and uncovered stents achieved 100% technical and clinical success with no procedural complications.
- Covered stents showed significantly longer patency (374 days) compared to uncovered stents (317 days) (p=0.049).
- Stent dysfunction occurred less frequently in the covered stent group (1/30 vs. 6/34).
Conclusions:
- Both covered and uncovered stent insertion are safe and effective treatments for malignant SVCO.
- Covered stents provide superior long-term patency, making them a favorable option for managing malignant SVCO.
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