Salvage of Malfunctioning Peritoneal Dialysis Catheters: An Algorithm for Recanalization and Repositioning

Area of Science:

• Nephrology
• Interventional Radiology

Background:

• Peritoneal dialysis (PD) is a vital treatment for end-stage renal disease.
• Catheter malfunction, including obstruction and malposition, is a common complication impacting PD efficacy.
• Salvaging malfunctioning PD catheters can avoid surgical intervention and maintain treatment continuity.

Purpose of the Study:

• To describe and evaluate a novel fluoroscopic-guided algorithm for salvaging malfunctioning peritoneal dialysis catheters.
• To assess the safety and efficacy of this interventional radiology-based approach.

Main Methods:

• A salvage algorithm utilizing a metallic stiffener and dual guide wires for repositioning and recanalization was developed.
• The algorithm was applied to 40 patients with documented PD catheter malfunction.
• A retrospective analysis of 35 cases undergoing fluoroscopic manipulation was performed.

Main Results:

• Successful repositioning and/or recanalization was achieved in 83% of cases.
• Catheter patency was maintained at 30 days in 59% of successfully treated cases.
• No major adverse events were reported during the procedure.

Conclusions:

• The developed fluoroscopic manipulation algorithm is a safe and effective method for salvaging malfunctioning peritoneal dialysis catheters.
• Fluoroscopic salvage should be considered a viable alternative to surgical intervention for PD catheter malfunction.