Endoscopic Low-Temperature Plasma Closure Following Percutaneous Drainage for Infected Piriform Sinus Fistula: A...

Area of Science:

• Otolaryngology
• Pediatric Surgery
• Minimally Invasive Procedures

Background:

• Piriform sinus fistula is a congenital anomaly that can lead to recurrent infections.
• Traditional treatments may involve more invasive surgical approaches.
• Effective management during active infection is crucial to prevent complications.

Purpose of the Study:

• To evaluate the efficacy and safety of ultrasound-guided puncture combined with endoscopic low-temperature plasma closure for treating infected piriform sinus fistula in children.
• To assess this minimally invasive technique as a therapeutic option during active infection.

Main Methods:

• Retrospective analysis of 14 children with piriform sinus fistula infection treated between January 2022 and December 2024.
• All patients underwent ultrasound-guided puncture and endoscopic low-temperature plasma closure.
• Treatment success defined as complete fistula closure after a single hospitalization and procedure.

Main Results:

• Successful fistula closure in all 14 patients, with good healing of the piriform sinus scar and minimal edema.
• MRI showed reduced cystic cavity size and relieved airway compression.
• No significant complications like hoarseness or recurrent infection were observed during follow-up (6-24 months), with one relapse.

Conclusions:

• Ultrasound-guided puncture with endoscopic low-temperature plasma closure is an effective and safe minimally invasive treatment for infected piriform sinus fistula.
• This technique provides a viable therapeutic option for managing piriform sinus fistula during active infection.