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01.12.2015 | Original Scientific Report
Prevention of Esophageal Stricture After Endoscopic Submucosal Dissection: A Systematic Review
Erschienen in: World Journal of Surgery | Ausgabe 12/2015
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Background
Endoscopic submucosal dissection (ESD) is rapidly becoming a favored method for removing early esophageal cancer, but the residual defects can be complicated with strictures that require repeated endoscopic balloon dilatation. Measures for preventing the post-ESD strictures have been sought. We conducted a systematic review of recent studies to evaluate these methods.
Methods
We searched MEDLINE, Cochrane Central Register of Controlled Trials, Embase, and Google Scholar until November 30, 2014. Included studies were prospective and retrospective one- and two-arm studies. All studies had to include at least on preventive method for post-ESD stricture. Thirteen studies were included in the review.
Results
Among the studies that used corticosteroids to prevent post-ESD stricture, we found that (1) injection of triamcinolone acetonide into the esophageal lesion resulted in a substantial reduction in the rate of stricture, and (2) the use of oral prednisolone was associated with a significantly reduced rate of dilatation sessions and stricture. Studies of other preventative measures included more recently developed scaffold-based and cell-based tissue-engineering approaches which seem very promising but require additional rigorously controlled studies to test their effectiveness.
Conclusions
Until a safer and more effective method is developed, our review supports the use of corticosteroids, either through injection or oral route, together with endoscopic dilatation in prevention of post-ESD strictures.