Comparative analysis of the postoperative effectiveness of different splenic artery aneurysm embolization techniques
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By
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Biao Wu
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Liang Chen
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Xiaonan Wang
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Hao Zhang
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Jiang Zhu
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Kangjie Chai
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Liangxi Yuan
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June 17, 2026
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Clinical Scorecard: Evaluation of Postoperative Outcomes for Various Embolization Techniques in Splenic Artery Aneurysms
At a Glance
| Category | Detail |
|---|
| Condition | |
| Key Mechanisms | Embolization techniques: sandwich technique and mushroom technique. |
| Target Population | |
| Care Setting | |
Key Highlights
- Technical success rate of both techniques was 100%.
- 30-day mortality, splenic infarction rate, and aneurysm recanalization rate were all 0.
- Mushroom technique associated with shorter procedure time and lower incidence of post-embolization syndrome (PES).
- Number of aneurysms and embolization method were independent risk factors for PES.
Guideline-Based Recommendations
Diagnosis
- Diagnosis via computed tomography angiography (CTA) or digital subtraction angiography (DSA).
Management
- Endovascular embolization preferred for SAAs.
Monitoring & Follow-up
- Follow-up CTA performed one year post-procedure.
Risks
- Post-embolization syndrome (PES) defined as fever, abdominal pain, distension, or elevated white blood cell counts.
Patient & Prescribing Data
220 patients with SAAs treated between January 2019 and December 2023.
Mushroom technique shows favorable outcomes compared to sandwich technique.
Clinical Best Practices
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