However, in clinical practice, we have often encountered malignant esophageal strictures in patients with severe dysphagia however, the stricture is often mild and can allow the passage of a standard peroral endoscope. Additionally, the general indication of esophageal SEMS placement for unresectable malignant esophageal stricture is severe dysphagia in cases in which the stricture cannot allow the passage of a standard peroral endoscope to prevent migration Several researchers have reported fully covered stent placement, concurrent chemotherapy and/or radiotherapy and stents placed across the gastroesophageal junction as factors that increase risk of stent migration However, migration is one of the most common adverse events (AE) after SEMS placement, and its prevalence ranges from 4 – 36 % In this guideline, ESGE recommended placement of a partially or fully covered SEMS for palliative treatment of malignant dysphagia over laser therapy, photodynamic therapy, and esophageal bypass. Recently, a clinical guideline for esophageal stents was published by the European Society of Gastrointestinal Endoscopy (ESGE) Esophageal self-expandable metal stent (SEMS) placement has been widely used for palliative treatment of unresectable malignant esophageal strictures to relieve dysphagia and increase nutritional intake Dysphagia is a major symptom in patients with a malignant esophageal stricture, such as esophageal carcinoma, gastroesophageal junction carcinoma, gastric cardia carcinoma, and esophageal metastasis from other carcinomas, and it causes poor nutrition intake and a decrease in quality of life.
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