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Published on: June 13, 2025
Initial experience with magnet-assisted single trocar appendectomy in children.
Benjamin E Padilla1, Guillermo Dominguez, Carolina Millan
1Department of Pediatric Surgery, Fundacion Hospitalaria Private Children's Hospital, Buenos Aires, Argentina.
Summary
Magnet-assisted single trocar (MAST) appendectomy is a safe and effective technique for pediatric acute appendicitis. This innovative approach improves surgical ergonomics and triangulation, potentially reducing the need for additional trocars.
Area of Science:
- Pediatric surgery
- Minimally invasive surgery
- Surgical innovation
Background:
- Single-incision laparoscopic surgery (SILS) for acute appendicitis faces challenges with triangulation and ergonomics.
- The magnet-assisted single trocar (MAST) appendectomy was developed to address these limitations.
Purpose of the Study:
- To evaluate the safety and efficacy of the MAST appendectomy technique in pediatric patients.
- To assess the feasibility of performing MAST appendectomy without a surgical assistant.
Main Methods:
- Retrospective analysis of MAST appendectomies performed between March 2010 and February 2011.
- Data collected included patient demographics, operative time, hospital stay, and complications.
Main Results:
- Twenty-three pediatric patients (10 boys, 13 girls) underwent MAST appendectomy.
- Mean operative time was 61 minutes, with a mean hospital stay of 3.6 days.
- No intraoperative complications or wound infections occurred; 17% required an additional trocar, and none were converted to open surgery.
Conclusions:
- MAST appendectomy is a safe and effective surgical option for pediatric acute appendicitis.
- The use of magnetic instruments in MAST appendectomy enhances triangulation and ergonomics.
- This single-trocar technique can be performed efficiently, even without a surgical assistant.
