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Anastomotic leakage, including cervical anastomotic leakage and intrathoracic anastomotic leakage, is a serious complication of esophageal cancer and a leading cause of death after esophagectomy. In fact, anastomotic leakage after esophagectomy can be caused by numerous factors in the preoperative, intraoperative, and postoperative periods. Intraoperative technique-related risk factors, including surgical methods, anastomosis sites, anastomosis methods, the type of gastric tube, and reconstruction routes, are the key causes of its occurrence. Anastomotic leakage treatments include both surgical and non-surgical treatments, while surgical treatment has high risks, many complications, and high mortality. Actually, non-surgical methods including naso-leakage drainage, stent, negative pressure therapy, and so on, are also very critical in the treatment of anastomotic leakage. So, the selection of correct and appropriate treatment methods plays an important role in alleviating the suffering of patients, shortening hospitalization time, and reducing mortality. This study undertook a systematic review in which data in the PubMed database were searched and analyzed to assess the safety and efficacy of surgical technique-related factors in esophagectomy, and appropriate treatment of anastomotic leakage after esophagectomy. In conclusion, gastric tube, posterior mediastinal route and stapled anastomosis are safe among esophagectomy surgical techniques, and non-surgical treatment of anastomotic leakage such as naso-leakage drainage is feasible in the majority of cases.

The assessment of intraoperative technique-related risk factors and the treatment of anastomotic leakage after esophagectomy: a narrative review