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  • Review Article
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Treatment options for esophageal strictures

Abstract

Esophageal strictures are a problem commonly encountered in gastroenterological practice and can be caused by malignant or benign lesions. Dysphagia is the symptom experienced by all patients, regardless of whether their strictures are caused by malignant or benign lesions. The methods most frequently used for palliation of malignant esophageal strictures are stent placement (particularly in patients with an expected survival of 3 months or less) and brachytherapy (in patients with a life expectancy of more than 3 months). Brachytherapy has been shown to be beneficial in patients with an expected survival of longer than 3 months with regard to (prolonged) dysphagia improvement, complications and quality of life. The mainstay of benign esophageal stricture treatment is dilation. Although dilation usually results in symptomatic relief, recurrent strictures do occur. In order to predict which types of strictures are most likely to recur, it is important to differentiate between esophageal strictures that are simple (i.e. focal, straight strictures with a diameter that allows endoscope passage) and those that are more complex (i.e. long (>2 cm), tortuous strictures with a narrow diameter). These complex strictures are considered refractory when they cannot be dilated to an adequate diameter. Novel treatment modalities for refractory strictures include temporary stent placement and incisional therapy.

Key Points

  • Esophageal strictures are a problem frequently encountered by the gastroenterologist and can be subdivided into those with a malignant origin and those with a benign origin

  • The method most frequently used to treat dysphagia caused by esophageal cancer is stent placement, with brachytherapy increasingly being performed, particularly in patients with an expected survival of longer than 3 months

  • Ultraflex stents, Flamingo Wallstents and Niti-S stents can all be used for the palliation of dysphagia caused by esophageal cancer, whereas Z-stents and Polyflex® stents seem less preferable because of a higher risk of complications

  • No clear difference in effectiveness has been reported for the Savary-Gilliard® and through-the-scope balloon dilators for the treatment of benign esophageal strictures

  • Stents can be used in patients with complex strictures if these are refractory to dilation therapy

  • Incisional therapy can be a safe alternative treatment modality in patients with firm fibrotic benign strictures, such as can be found at an anastomotic site

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Figure 1: An algorithm used at the University Medical Center Utrecht, The Netherlands for the management of malignant esophageal strictures.
Figure 2: Examples of recurrent dysphagia after stent placement for a malignant stricture in the esophagus.
Figure 3: Endoscopic management of a malignant stricture close to the upper esophageal sphincter.
Figure 4: Examples of radiation esophagitis after brachytherapy for a malignant stricture of the esophagus.
Figure 5: An algorithm used at the University Medical Center Utrecht, The Netherlands for the management of benign esophageal refractory strictures.
Figure 6: Endoscopic management of an anastomotic stricture in a gastric tube interposition.48

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Acknowledgements

Charles P Vega, University of California, Irvine, CA, is the author of and is solely responsible for the content of the learning objectives, questions and answers of the Medscape-accredited continuing medical education activity associated with this article.

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Siersema, P. Treatment options for esophageal strictures. Nat Rev Gastroenterol Hepatol 5, 142–152 (2008). https://doi.org/10.1038/ncpgasthep1053

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