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A new spleen-preserving technique using radiofrequency ablation technology
Evangelos Felekouras1, Michael Kontos, Theodora Pissanou
1First Department of Surgery, University of Athens Medical School, Athens, Greece.
The Journal of Trauma
|December 31, 2004
Summary
Radiofrequency ablation effectively controlled bleeding in severe spleen injuries in pigs, potentially reducing the need for surgery and splenectomies. Further human studies are recommended to validate this spleen salvage technique.
Area of Science:
- Surgical Innovation
- Minimally Invasive Techniques
- Trauma Management
Background:
- Splenic salvage is the primary goal in treating splenic injuries.
- Radiofrequency ablation (RFA) technology was investigated for spleen salvage.
- Spleen trauma management often involves significant interventions like splenectomy.
Purpose of the Study:
- To experimentally evaluate radiofrequency ablation as a spleen salvage technique.
- To assess the efficacy of RFA in controlling bleeding from splenic injuries.
- To determine the potential of RFA to reduce the need for splenectomy and blood transfusions.
Main Methods:
- A grade IV spleen injury model was created in 10 Landrace pigs.
- Radiofrequency ablation using a Cooltip needle was applied to control bleeding.
- The procedure involved inserting the electrode at multiple sites for 2–6 minutes per session.
Main Results:
- Intraoperative bleeding was successfully controlled in all cases without additional interventions.
- Postoperative examination revealed no abdominal or thoracic fluid accumulation.
- No subcapsular or perisplenic hematomas were observed in the study animals.
Conclusions:
- Radiofrequency ablation demonstrates potential for hemostasis in splenic injuries.
- This technique may decrease the necessity for open surgery, splenectomies, and blood transfusions.
- Image-guided or laparoscopic application of RFA warrants further investigation in human subjects.