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Self-expandable metal stents for the treatment of benign upper GI leaks and perforations
Jo Swinnen1, Pierre Eisendrath, Johanne Rigaux
1Medical Surgical Department of Gastroenterology, Hepato-Pancreatology and Digestive Oncology, Erasme Hospital, Université Libre de Bruxelles, Brussels, Belgium.
Background:
Self-expandable metal stents (SEMSs) have been suggested for the treatment of benign upper GI leaks and perforations. Nevertheless, uncomplicated removal remains difficult. Placement of a self-expandable plastic stent (SEPS) into an SEMS can facilitate retrieval.
Objectives:
This study reviews our experience with sequential SEMS/SEPS placement in patients with benign upper GI leaks or perforations.
Design:
A retrospective review of the chart of each patient who underwent SEMS placement for benign upper GI leaks or perforations, including (1) fistula after bariatric surgery, (2) other postoperative fistulae, (3) Boerhaave syndrome, (4) iatrogenic perforations, and (5) other perforations.
Setting:
Single, tertiary center.
Patients:
Eighty-eight patients (37 male, average age 51.6 years, range 18-89 years).
Interventions:
SEMS placement and removal, with or without SEPS placement.
Main Outcome Measurements:
Feasibility of SEMS removal and successful treatment of lesions and short-term and long-term complications.
Results:
A total of 153 SEMSs were placed in 88 patients; all placements were successful. Six patients died (not SEMS-related deaths) and 6 patients were lost to follow-up with SEMSs still in place. Seventy-three of the remaining 76 patients had successful SEMS removal (96.1%). The rate of successful SEMS removal per stent was 97.8% (132/135). Resolution of leaks and perforations was achieved in 59 patients (77.6%) with standard endoscopic treatment, and in 64 patients (84.2%) after prolonged, repeated endoscopic treatment. Spontaneous migration occurred in 11.1% of stents, and there were minor complications (dysphagia, hyperplasia, rupture of coating) in 20.9% and major complications (bleeding, perforation, tracheal compression) in 5.9%.
Limitations:
Retrospective design and highly selected patient population.
Conclusions:
Use of SEMSs for the treatment of benign upper GI leaks and perforations is feasible, relatively safe, and effective, and SEMSs can be easily removed 1 to 3 weeks after SEPS insertion. Leaks and perforations were closed in 77.6% of cases.
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