Balloon dilation and stent placement for esophageal lesions: indications, methods, and results.

Therasse E, Oliva VL, Lafontaine E, Perreault P, Giroux MF, Soulez G.
Department of Radiology, Centre Hospitalier de l'Université de Montréal, 3840 St Urbain St, Montreal, Quebec, Canada H2W 1T8. eric.therasse.chum@ssss.gouv.qc.ca

Radiographics. 2003 Jan-Feb;23(1):89-105

Esophageal balloon dilation and expandable stent placement are safe, minimally invasive, effective treatments for esophageal strictures and fistulas. These procedures have brought the management of dysphagia due to esophageal strictures into the field of interventional radiology. Esophageal dilation is usually indicated for benign stenoses and is technically successful in more than 90% of cases. Most patients with esophageal carcinoma are not candidates for resection; thus, the main focus of treatment is palliation of malignant dysphagia and esophagorespiratory fistulas. Esophageal stent placement, which is approved only for malignant strictures, is one of the main therapeutic options in affected patients and relieves dysphagia in approximately 90% of cases. Dedicated commercially available devices continue to evolve, each with its own advantages and limitations. Stent placement is subject to technical pitfalls, and adverse events occur following esophageal procedures in a minority of cases. Although chest pain is common and self-limited, reflux esophagitis, stent migration, tracheal compression, and esophageal perforation and obstruction require specific interventions. In many cases, these complications can be recognized and treated by the interventional radiologist with minimally invasive techniques. Copyright RSNA, 2003.

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