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Endoscopic suturing of esophageal fully covered self-expanding metal stents reduces rates of stent migration. 2017

Benjamin L Bick, and Thomas F Imperiale, and Cynthia S Johnson, and John M DeWitt
Department of Gastroenterology and Hepatology, Indiana University Medical Center, Indianapolis, Indiana, USA.

OBJECTIVE Endoscopic suturing of fully covered self-expanding metal stents (FC-SEMSs) may prevent migration. The aim of this study was to compare rates of migration between sutured FC-SEMSs (S-FCSEMSs), unsecured FC-SEMSs, and partially covered SEMSs (PC-SEMSs) placed for benign esophageal leaks and strictures. METHODS In a retrospective, single-center, cohort study, rates of migration for S-FCSEMSs, FC-SEMSs, and PC-SEMSs were assessed in patients with at least 1 month of follow-up or experiencing clinically significant stent migration (CSSM) any time after placement. CSSM was defined as proximal or distal displacement of the stent by ≥2 cm or passage into the stomach plus the recurrence of pre-SEMS symptoms or signs. A multivariable analysis was done to identify additional risk factors for stent migration. RESULTS A total of 184 SEMSs were placed in 101 patients, including 32 S-FCSEMSs in 25 patients, 114 FC-SEMSs in 59 patients, and 38 PC-SEMSs in 30 patients. CSSM occurred with 56 of 184 stents (30.4%) in 36 of 101 patients (35.6%), including 3 of 32 (9.4%) S-FCSEMSs, 45 of 114 (39.5%) FC-SEMSs, and 8 of 38 (21.1%) PC-SEMSs (P = .005). Migration was less likely for S-FCSEMSs than for FC-SEMSs (9.4% vs 39.5%; P = .01) but not between S-FCSEMSs and PC-SEMSs (9.4% vs 21.1%; P = .07) or between FC-SEMSs and PC-SEMSs (39.5% vs 21.1%; P = .38). Previous stent migration (odds ratio [OR], 3.93; 95% confidence interval [CI], 1.88-8.19; P = .01) and previous esophageal surgery (OR, 0.33; 95% CI, 0.16-0.67; P = .002) were associated with increased and decreased risk of CSSM, respectively. CONCLUSIONS Endoscopic suturing of FC-SEMSs for benign esophageal disease reduces CSSM compared with unsecured FC-SEMSs but not PC-SEMSs. Patients with previous stent migration may benefit from prophylactic suturing of FC-SEMSs.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011475 Prosthesis Failure Malfunction of implantation shunts, valves, etc., and prosthesis loosening, migration, and breaking. Prosthesis Loosening,Prosthesis Durability,Prosthesis Migration,Prosthesis Survival,Durabilities, Prosthesis,Durability, Prosthesis,Failure, Prosthesis,Failures, Prosthesis,Loosening, Prosthesis,Loosenings, Prosthesis,Migration, Prosthesis,Migrations, Prosthesis,Prosthesis Durabilities,Prosthesis Failures,Prosthesis Loosenings,Prosthesis Migrations,Prosthesis Survivals,Survival, Prosthesis,Survivals, Prosthesis
D004940 Esophageal Stenosis A stricture of the ESOPHAGUS. Most are acquired but can be congenital. Esophageal Stricture,Stenosis, Esophageal,Esophageal Stenoses,Stricture, Esophageal
D005260 Female Females
D005548 Foreign-Body Migration Migration of a foreign body from its original location to some other location in the body. Foreign Body Migration,Foreign-Body Migrations,Migration, Foreign-Body,Migrations, Foreign-Body
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000069322 Self Expandable Metallic Stents Cylindrical metallic tubes that are inserted to hold open a structure in order to treat vascular, bile duct, esophageal and other tubular organ constrictions. Self Expandable Metal Stent,Self Expandable Metal Stents,Self Expandable Metallic Stent
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly

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