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Magnetic Compression Stricturoplasty For Treatment of Refractory Esophageal Strictures in Children: Technique and
Russell Woo1, Christopher Marc Wong1, Zachary Trimble1
11 University Of Hawaii, Honolulu, HI, USA.
Insights
Magnetic compression stricturoplasty offers a novel solution for refractory esophageal strictures after esophageal atresia repair. This technique successfully restored esophageal patency in two pediatric patients, avoiding major surgery.
Area of Science:
- Pediatric Surgery
- Gastroenterology
- Biomaterials Engineering
Background:
- Esophageal stricture is a common complication after esophageal atresia repair.
- Standard endoscopic treatments (dilation, stenting) may fail, necessitating surgery.
- Magnetic compression anastomosis has shown promise in pediatric cases.
Purpose of the Study:
- To report the experience of using magnetic compression stricturoplasty for refractory esophageal strictures.
- To evaluate the efficacy and safety of this technique in patients who failed other interventions.
Main Methods:
- Retrospective review of 2 patients with refractory esophageal strictures post-esophageal atresia repair.
- Application of neodymium-iron-boron magnets under fluoroscopic and endoscopic guidance.
- Magnets were in place for 7-10 days to achieve gradual compression stricturoplasty.
Main Results:
- Successful magnet placement and gradual compression stricturoplasty in both patients.
- Esophageal recanalization visualized endoscopically, followed by self-expanding stent placement.
- Durable esophageal patency without dysphagia achieved by 31 months post-procedure.
Conclusions:
- Magnetic stricturoplasty is a successful technique for establishing esophageal patency in recalcitrant strictures.
- Understanding of magnetism principles is crucial for surgical application.
- Early follow-up is promising, with long-term success to be determined.
Introduction:
Esophageal stricture is the most common complication following repair of esophageal atresia (EA). In general, these strictures are successfully managed using endoscopic techniques including bougie and balloon dilation, stenting, and chemotherapeutic agent application. If these techniques are unsuccessful, patients require segmental esophageal resection and reanastomosis or esophageal replacement. Magnetic compression anastomosis has been described in children. Herein we report our experience with magnetic compression stricturoplasty to treat refractory strictures after EA repair.
Methods:
We reviewed our experience using magnets to treat refractory strictures in 2 patients. Both patients failed multiple standard interventions. Because of near complete esophageal obstruction, both patients were candidates for esophageal replacement or segmental resection/anastamosis. In both patients, we applied neodymium-iron-boron magnets using fluoroscopic and endoscopic guidance.
Results:
The magnets were successfully positioned in both cases. Magnets were left in place for 7 and 10 days allowing for gradual compression stricturoplasty/anastamosis. Upon removal of the magnets, recanalization was visualized endoscopically and self-expanding stents were placed. There were no leaks or significant early complications. By 31 months post-magnetic stricturoplasty, both patients achieved durable esophageal patency without dysphagia.
Conclusion:
Magnetic stricturoplasty was successful at establishing early patency of the esophagus in 2 patients with recalcitrant EA strictures. Fundamental knowledge of magnetism was critical in configuring magnet arrays for surgery. In both cases, early follow-up is promising. Further follow-up will define the long-term success of this technique.
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