Abstract
ABSTRCT Background The treatment of refractory hypopharyngeal corrosive strictures remains challenging nowadays. Objectives To introduce a designed ladder-shaped stent for the treatment of refractory hypopharyngeal corrosive strictures. Material and Methods Patients with refractory hypopharyngeal corrosive strictures treated in our hospital between 2018 to 2022 were recruited in this study. All the patients had a dysphasia score of 4 and four patients had a tracheostomy preoperatively. A designed ladder-shaped stent was placed in the hypopharyngeal area after laser treatment to maintain the opening. This stent was kept for 3-6 months. All the patients were followed-up for at least 6 months after stent removal. Results Six patients were recruited including two males, three females and one girl. All the patients were tolerable with the stent. There were no immediate or long-term complications. Patients were able to swallow a soft diet after the procedure. No tracheostomy was needed. Conclusion This use of a ladder-shaped stent is helpful in the treatment of hypopharyngeal strictures after laser treatment.
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