THE USE OF SELF-EXPANDING METAL STENTS IN STENOSING MALIGNANT DISEASES OF THE ESOPHAGUS

V.A. Kryazhov1,2, А.A. Mitrakov1,2, A.S. Mukhin2, R.S. Smirnova1, R.G. Pegov1

1Nizhny Novgorod Regional Clinical Oncology Center, Nizhny Novgorod

2Volga Region Research Medical University, Nizhny Novgorod

Mitrakov A.A. ― head of Endoscopy Department of the Nizhny Novgorod Regional Clinical Oncology Center, assistant of the Department of Oncology, radiation therapy and radiology of the Volga Region Research Medical University

1 Ankundinovskoe highway, Nizhny Novgorod, 603081, tel. +7-930-700-33-84, e-mail: alexandr_mit@mail.ru

 Abstract. The results of endoscopic treatment of 199 patients with stenosing malignant tumors of the esophagus with the use of endoscopic self-expanding stents, treated in the Nizhny Novgorod Regional Clinical Oncology Center in the period from 2014 to 2018. The average age was 66.6 years, the number of men ― 146, women ― 53. Stenting was used in patients with various degrees of dysphagia: 1 degree ― 0 (0%), 2 degree ― 15 (7.6%), 3 degree ― 122 (61.4%), 4 degree ― 52 (26.2%). In addition, patients with a relapse of malignant tumors in the zone of anastomoses after previous operative treatment were included. Localization of the stenosing tumor: the upper third of the esophagus ―16 (8.0%), the middle third of the esophagus ― 52 (26.1%), the lower third of the esophagus ― 100 (50.2%), the EGJ ― 19 (9.5%), relapse after surgical treatment ― 11 (5.5%). Relapse of dysphagia was observed in 22 patients (11.0%). Complications took place in 41 patients (20.7%), 67 patients (33.7%) had pain syndrome, as well as signs of reflux-esophagitis. Early chemoradiotherapy was in most cases associated with complications. Pain syndrome was the most common undesirable phenomenon.

Key words: endoscopic stenting, endoscopy, esophageal cancer.