EGS SO27 - Removable covered stent as an alternative to traditional methods in management of Oesophageal Perforation in unfit surgical patients: A Tertiary Care Hospital Experience

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Abstract Background Oesophageal perforation in elderly and frail patients carries a significantly higher mortality rate. Traditionally, management involves surgery for patients who are fit for surgery, or a conservative approach for those with minimal contamination. Endoscopy, with procedures such as endoscopic washout of mediastinal collections and placement of covered removable stents, sometimes in conjunction with chest drain insertion, is emerging as a minimally invasive option for a selected group of patients who are not suitable for traditional methods. This technique aims to seal perforations, promote healing, and facilitate early restoration of oral intake. Method This retrospective study was conducted at a tertiary care hospital. Data were collected over a 10-year period starting from 2012. The study enrolled all patients aged 18 and older, admitted with oesophageal perforation and underwent oesophageal stent insertion. SX-ELLA Danis-seal stents (30-25-30 × 135mm) were used for benign perforations, while permanent covered metal stents were used for patients with underlying malignancy. Variables analyzed included age, gender, Charlson Comorbidity Index (CCI), WHO performance status, location and size of esophageal perforation, type and dimensions of stent used, length of hospital stay, and mortality rates. Data analysis was conducted using SPSS version 25. Results During study period, 11 out of 78 patients with esophageal perforation underwent stent insertion (M:F=7:4, median age-71 (range 48-85) years, median CCI -5). Causes included spontaneous perforation (n=3,27.3%), iatrogenic (n=4,36.4%), and malignancy (n=4,36.4%). Distal esophageal perforation was observed in 7 patients (63.6%). Oral intake was commenced within 72 hours post-insertion. A single procedure sufficed for 10(90%) patients. Stents used for non-malignant perforations were removed endoscopically after an average of 12 weeks. No major complications; minor complications included stent migration (n=1, 9.1%), failed placement (n=1, 9.1%), and loss to follow-up (n=1, 9.1%). The 90-day mortality rate was 45.5% (n=5/11). Conclusion Endoscopy with mediastinal cavity washout and insertion of a covered metal stent in unfit surgical patients provides an alternative and improves outcomes. It could also be considered in patients with non-healing perforations to facilitate early resumption of oral intake.

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