BACKGROUND: Factors associated with successful endoscopic therapy with temporary stents for esophageal leaks, fistulae, and perforations (L/F/P) are not well known. OBJECTIVES: To evaluate the safety, efficacy, and outcomes of esophageal stenting in these patients and identify factors associated with successful closure. DESIGN: Retrospective. SETTING: Academic tertiary referral center. PATIENTS: All patients with attempted stent placement for esophageal L/F/P between January 2003 and May 2012. INTERVENTION: Esophageal stent placement and removal. MAIN OUTCOME MEASUREMENTS: Factors predictive of therapeutic success defined as complete closure after index stent removal (primary closure) or after further endoscopic stenting (secondary closure). RESULTS: Sixty-seven patients with 132 attempted stents for esophageal L/F/P were considered; 13 patients were excluded. Among the remaining 54 patients, 117 stents were placed for leaks (29 patients; 64 stents), fistulae (15 patients; 36 stents), and perforations (10 patients; 17 stents). Procedural technical success was achieved in all patients (100%). Primary closure was successful in 40 patients (74%) and secondary closure in an additional 5 (83% overall). On short-term (<3 months) follow-up, 27 patients (50%) were asymptomatic, whereas 22 (41%) had technical adverse events, including stent migration in 15 patients (28%). Factors associated with successful primary closure include a shorter time between diagnosis of esophageal L/F/P and initial stent insertion (9.03 vs 22.54 days; P = .003), and a smaller luminal opening size (P = .002). LIMITATIONS: Retrospective, single-center study. CONCLUSIONS: Temporary stents are safe and effective in treating esophageal L/F/P. Defect opening size and time from diagnosis to stent placement appear to be candidate predictors for successful closure.
BACKGROUND: Factors associated with successful endoscopic therapy with temporary stents for esophageal leaks, fistulae, and perforations (L/F/P) are not well known. OBJECTIVES: To evaluate the safety, efficacy, and outcomes of esophageal stenting in these patients and identify factors associated with successful closure. DESIGN: Retrospective. SETTING: Academic tertiary referral center. PATIENTS: All patients with attempted stent placement for esophageal L/F/P between January 2003 and May 2012. INTERVENTION: Esophageal stent placement and removal. MAIN OUTCOME MEASUREMENTS: Factors predictive of therapeutic success defined as complete closure after index stent removal (primary closure) or after further endoscopic stenting (secondary closure). RESULTS: Sixty-seven patients with 132 attempted stents for esophageal L/F/P were considered; 13 patients were excluded. Among the remaining 54 patients, 117 stents were placed for leaks (29 patients; 64 stents), fistulae (15 patients; 36 stents), and perforations (10 patients; 17 stents). Procedural technical success was achieved in all patients (100%). Primary closure was successful in 40 patients (74%) and secondary closure in an additional 5 (83% overall). On short-term (<3 months) follow-up, 27 patients (50%) were asymptomatic, whereas 22 (41%) had technical adverse events, including stent migration in 15 patients (28%). Factors associated with successful primary closure include a shorter time between diagnosis of esophageal L/F/P and initial stent insertion (9.03 vs 22.54 days; P = .003), and a smaller luminal opening size (P = .002). LIMITATIONS: Retrospective, single-center study. CONCLUSIONS: Temporary stents are safe and effective in treating esophageal L/F/P. Defect opening size and time from diagnosis to stent placement appear to be candidate predictors for successful closure.
Authors: Kamron Pourmand; Brian Riff; Michael L Kochman; Gregory G Ginsberg; Vinay Chandrasekhara; Nuzhat A Ahmad Journal: J Gastrointest Surg Date: 2015-06-13 Impact factor: 3.452
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