Objective To compare the application effects of antegrade catheterization through sinus tract and antegrade guidewire through catheter in nephrostomy tube exchange. Methods The clinical data of patients who underwent nephrostomy tube exchange in the First Medical Center of PLA General Hospital from January 2014 to March 2025 were retrospectively analyzed. The clinical effects of ultrasound-guided antegrade catheterization through sinus tract and antegrade guidewire through catheter in nephrostomy tube exchange were compared. Results A total of 529 cases of nephrostomy tube exchange treatment were performed on 204 patients. Among them, 319 cases were conducted via antegrade catheterization through sinus tract, with 2 cases of mild bleeding, 3 cases of chills and fever, and 6 cases of exchange failure, achieving a success rate of 98.12%; a total of 210 exchanges were performed via antegrade guidewire through catheter, with 2 cases of postoperative bleeding, 1 case of chills and fever, and 21 cases of exchange failure, achieving a success rate of 90.00%. Conclusions Compared with antegrade guidewire through catheter, antegrade catheterization through sinus tract is characterized by shorter operation time, less pain and higher success rate. When the sinus tract has already been formed, it can be used as the preferred method for clinical nephrostomy tube exchange.
Key words
percutaneous nephrostomy /
fistulization tube /
coaxial downstream guidewire method /
ultrasound guidance
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