Endoscopic Endoluminal Vacuum Therapy or Self-Expandable Metallic Stent: Treatment Option in Anastomotic Leakage after Esophageal Surgery

Chul-Hyun Lim

doi:10.5946/ce.2022.011

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Commentary Endoscopic Endoluminal Vacuum Therapy or Self-Expandable Metallic Stent: Treatment Option in Anastomotic Leakage after Esophageal Surgery: Chul-Hyun Lim; Clinical Endoscopy 2022;55(1):41-42.
DOI: https://doi.org/10.5946/ce.2022.011
Published online: January 27, 2022

Department of Internal Medicine, Eunpyeong St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea

Correspondence: Chul-Hyun Lim Department of Internal Medicine, Eunpyeong St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, 1021, Tongil-ro, Eunpyeong-gu, Seoul 03312, Korea Tel: +82-2-2030-2535, Fax: +82-2-2030-2573, E-mail: diluck@catholic.ac.kr

• Received: November 30, 2021 • Revised: December 20, 2021 • Accepted: December 22, 2021

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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REFERENCES

See the article "Endoscopic Management of Anastomotic Leakage after Esophageal Surgery: Ten Year Analysis in a Tertiary University Center" on page 58.

Treatment modalities for esophageal cancer include endoscopic resection, surgery, radiotherapy, chemotherapy, and chemoradiotherapy. Selection of the treatment depends on the stage and physical status of the patient [1]. Esophagectomy is one of the main curative treatment options in the management of patients with locally advanced esophageal cancer. Despite advances in the surgical techniques and perioperative management, esophagectomy has been reported to be a major procedure associated with a high rate of complications resulting in increased morbidity and mortality rates [2,3]. Anastomotic leakage is defined as a full-thickness gastrointestinal defect that involves the esophagus, anastomosis, staple line, or conduit [4]. Recently reported rates of leakage after esophageal cancer surgery range from 10% to 21.2% [5]. Several factors, including pulling up of the stomach from the abdominal to the thoracic cavity, limited vascular supply, and mechanical characteristics of the esophagus, contribute to anastomotic leakage after esophageal surgery. Furthermore, patient factors such as obesity, heart failure, coronary disease, vascular disease, renal disease, and tobacco use have been reported as risk factors for anastomotic leakage [6].

The goals for the management of an anastomotic leakage are closure or coverage of the defect, containment of the leak, and drainage of the contaminated space [7]. Endoscopic and surgical management are the available options for treating anastomotic leakage. Surgical intervention is required in cases of uncontrolled sepsis, failure of initial treatment, and early leakage within the first 72 hours [5]. Endoscopic management of leakage includes primary closure of defects (clips, endoscopic suturing, and fibrin glue), secondary closure with stents, and endoscopic vacuum therapy (EVT). Primary closure can be applied in early detection of small defects and when the patient’s condition is stable; limitations include difficulty in grasping the edge of the defect and poor results if the leak is large (more than 3 cm) or asymmetrical. Stenting and EVT can be applied in clinically stable patients with drainage of peri-anastomotic collections. The reported clinical success rates of self-expandable metal stents (SEMS) are up to 74%; the limitations include potential migration of stents. The clinical success rates of EVT are over 90% and the limitation includes the need for regular changes in vacuum therapy.

In this issue of Clinical Endoscopy, El-Sourani et al. reported a ten-year experience of endoscopic management of anastomotic leakage after esophageal surgery [8]. Selection of EVT or SEMS in anastomotic leakage may be difficult for clinicians. There have been few reports analyzing the size of the defect and the presence of a cavity during the endoscopic management of anastomotic leakage after esophageal surgery. They mentioned the defect size and analyzed the potential outcome of the treatment option. They also provided the possibility of applying EVT for treating anastomotic leakage in critically ill patients. EVT was selected in patients with large size defects, high grade in the Surgical Working Group on Endoscopy and Ultrasound classification, and extraluminal cavity, resulting in a complete closure rate of 92.3% without EVT-related complications. They suggested that SEMS is only warranted in non-septic patients with a small size defect and no extraluminal cavity. The selection of appropriate treatment options for anastomotic leakage after esophageal surgery depends on the characteristics of the defects and the clinical condition of the patients. This study provides practical clues for selecting treatment options for anastomotic leakage after esophageal surgery. Further large-scale studies focusing on the defect size, cavity characteristics, and clinical status of the patients are required for robust conclusions.

Conflicts of Interest: The author has no potential conflicts of interest.

Funding: None.

Author Contributions

Writing and approval of final manuscript: Chul-Hyun Lim

REFERENCES

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6. Kassis ES, Kosinski AS, Ross P, Koppes KE, Donahue JM, Daniel VC. Predictors of anastomotic leak after esophagectomy: an analysis of the society of thoracic surgeons general thoracic database. Ann Thorac Surg 2013;96:1919–1926.Article PubMed
7. Schaheen L, Blackmon SH, Nason KS. Optimal approach to the management of intrathoracic esophageal leak following esophagectomy: a systematic review. Am J Surg 2014;208:536–543.Article PubMed PMC
8. El-Sourani N, Miftode S, Bockhorn M, Arlt A, Meinhardt C. Endoscopic management of anastomotic leakage after esophageal surgery - ten year analysis in a tertiary university center. Clin Endosc 2022;55:58–66.Article PubMed PMC

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Endoscopic Endoluminal Vacuum Therapy or Self-Expandable Metallic Stent: Treatment Option in Anastomotic Leakage after Esophageal Surgery

Clin Endosc. 2022;55(1):41-42. Published online January 27, 2022

DOI: https://doi.org/10.5946/ce.2022.011

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Endoscopic Endoluminal Vacuum Therapy or Self-Expandable Metallic Stent: Treatment Option in Anastomotic Leakage after Esophageal Surgery