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  • Title: Topical Mitomycin C Application in Pediatric Patients with Recurrent Esophageal Strictures-Report on Unfavorable Results.
    Author: Madadi-Sanjani O, Zimmer J, Gosemann JH, Ure BM, Lacher M, Boehm R.
    Journal: Eur J Pediatr Surg; 2018 Dec; 28(6):539-546. PubMed ID: 29270948.
    Abstract:
    OBJECTIVE:  Recurrent esophageal strictures (ESs) following esophageal atresia repair or caustic ingestion represent a common clinical problem. Recently, Mitomycin C was reported to improve the outcome of patients by reducing the number of endoscopic dilatations. However, other groups failed to exhibit a beneficial effect. We report on our experience with topic Mitomycin C application following endoscopic dilatation for recurrent ES. METHODS:  Retrospective chart review of patients with ES treated at the Hannover Medical School (Location A) and the University of Leipzig (Location B) between 2009 and 2015. A Mitomycin C-soaked cotton swab was endoscopically placed at the area of stricture in all subjects. Successful treatment was defined as resolution of stricture after Mitomycin C therapy with not more than three dilatations thereafter. Our results were compared with published outcomes of alternative studies that involved 10 or more patients. RESULTS:  A total of 11 children received Mitomycin C concurrently with endoscopic dilatations. Seven children (64%) had gross type C esophageal atresia, two patients (18%) gross type A esophageal atresia, and two children (18%) caustic injury.After a median follow-up of 34 months (range, 14-75 months) and a median number of 3 ± 2.5 dilatations with Mitomycin C application per patient (range, 1-9), 6 of 11 patients (55%) achieved a resolution of their strictures. Five patients (45%) did not respond to Mitomycin C therapy, of which two needed esophageal redo-surgery. CONCLUSION:  We failed to confirm the high success rates of Mitomycin C treatment for recurrent ESs. Given the fact that there is limited data to prove the beneficial effect of Mitomycin C treatment, pediatric surgeons should carefully consider whether the advantages of this therapy outweigh the necessity of life-long endoscopic follow-ups. Further randomized controlled studies are recommended.
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