• Cheng Shi Chen, Chu Hui Zeng, Ji Hoon Shin, Suyoung Park, Hai Liang Li, and Fang Kun Li.
• Cheng Shi Chen, MD Department of Radiology, Department of Medical Imaging, Changsha Medical University, Changsha, China.
• Pak J Med Sci. 2024 Oct 1; 40 (9): 190719131907-1913.

ObjectiveTo evaluate the efficacy and safety of the through-and-through wire (TTW) technique for antegrade ureteral Double-J stent placement after failure of either antegrade or retrograde ureteral stent placement.MethodThis retrospective study analyzed the medical records of consecutive patients who underwent Double-J stent placement with the TTW technique at Asan Medical Center and Gil Medical Center between January 2016 and February 2023. Patient histories, reasons for employing the TTW technique, TTW pathways, and complications were reviewed. Eight patients were included in the study. The reasons for using the TTW technique were failure to advance a larger-diameter catheter, balloon catheter, or Double-J stent passing over the guidewire beyond the stricture (6/8, 75.0%); failure to negotiate the stricture with a guidewire (1/8, 12.5%); and guidewire passing through a ureteropelvic junction defect (1/8, 12.5%).ResultsTTW was applied either between a percutaneous nephrostomy (PCN) and the urethral orifice (n=4), between a PCN and an ileostomy pouch (n=3), or between a left and right PCN (n = 1). Urologic assistance was required for retrograde ureteral cannulation in one male patient (12.5%). Subsequently, balloon dilation and/or Double-J stent placement were performed in all eight patients, resulting in 100% technical success. No major or minor complications occurred.ConclusionsThe TTW technique was safe and effective in the undertaking of PCN and antegrade Double-J stent placement in patients for whom either antegrade or retrograde access had failed.Copyright: © Pakistan Journal of Medical Sciences.

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