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Early topical mitomycin-C prevents stricture formation in children with caustic ingestion
Happy Sawires1, Ayman Aeskander2, Manal El-Sayed1
1Pediatric Department, Cairo University, Giza, Egypt.
Insights
Early topical application of mitomycin C (MMC) significantly reduced esophageal strictures in children after corrosive ingestion. This treatment proved safe and effective, decreasing the need for dilatations compared to conventional management.
Area of Science:
- Pediatric Gastroenterology
- Otolaryngology
- Toxicology
Background:
- Caustic ingestion in children frequently leads to esophageal strictures, a common long-term complication.
- Current management often involves repeated endoscopic dilatations, which can be burdensome and less effective.
Purpose of the Study:
- To evaluate the efficacy and safety of early topical endoscopic application of mitomycin C (MMC) in preventing stricture formation after caustic ingestion in pediatric patients.
Main Methods:
- A prospective, randomized-controlled study included 78 children with recent caustic ingestion; 61 completed the study.
- Group A (30 children) received topical MMC within 48 hours, while Group B (31 children) received conventional management.
- Both groups underwent follow-up endoscopic dilatations as needed.
Main Results:
- Only 30% of children treated with early MMC developed strictures, compared to 100% in the conventional management group (P < 0.001).
- The MMC group required zero median dilatations, versus 26 in the conventional group (P < 0.001).
- Early MMC application achieved an 86.7% complete response rate, significantly higher than conventional therapy (35.5%).
Conclusions:
- Early topical mitomycin C application is an effective and safe strategy for preventing esophageal strictures and scar formation in children following corrosive ingestion.
- This approach reduces the need for subsequent endoscopic interventions.
Aim:
Stricture formation is the most common remote complication of caustic ingestion. The aim of this study was evaluation of the efficacy of early topical endoscopic application of mitomycin C (MMC) in prevention of stricture formation after corrosive ingestion in children.
Methods:
We enrolled 78 children with a history of caustic ingestion within 48 h in a prospective, randomised-controlled study. Only 61 children completed the study and were classified into two groups: group A and B. After initial stabilisation, patients in group A (n = 30) received topical application of MMC within the initial 48 h while patients in group B (n = 31) only received conventional management. Follow-up endoscopic dilatation was done every 2 weeks to patients in either group until no need for further dilatation.
Results:
The barium study, which was done on the third week, revealed that all the patients (100%) on conservative management (group B) had strictures while only nine patients (30%) in group A had strictures (P < 0.001). The median number of dilatations required for patients in group B was 26 (min. = 23 and max. = 32) while in group A, it was 0 (min. = 0 and max. = 7) (P < 0.001). The success of early MMC application was complete response in 26 patients (86.7%), partial response in 3 patients (10%) and no response in 1 patient (3.3%). On the other side, conventional therapy with endoscopic dilatation achieved complete response in 11 patients (35.5%).
Conclusion:
Early topical MMC application proved its efficacy and safety in prevention of scar and stricture formation in children following caustic ingestion.
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