• Medicina · Jan 2024

    Multicenter Study

    Urolithiasis in Kidney Transplant Patients: A Multicenter KSER Research Series.

    • Kang Hee Shim, Kwi Bok Choi, Woong Bin Kim, Seung Woo Yang, Do Kyung Kim, Min Soo Choo, Doo Yong Chung, Hae Do Jung, Sin Woo Lee, Bum Soo Kim, Seung Hyun Jeon, Seok Ho Kang, Sunghyun Paick, Joo Yong Lee, and Korean Society of Endourology and Robotics (KSER) Research Committee.
    • Department of Urology, Ajou University School of Medicine, Suwon 16499, Republic of Korea.
    • Medicina (Kaunas). 2024 Jan 10; 60 (1).

    AbstractBackground and Objectives: Urolithiasis occurrence is uncommon in kidney transplantation patients, though it has serious implications, including acute kidney injury in the transplanted kidney. This study investigates the leading causes of urolithiasis in kidney transplantation patients, the diagnostic process, and the outcomes of multimodal management. Materials and Methods: Data collection spanned from January 1997 to December 2021, involving kidney transplantation patients with urolithiasis from the database of the Korean Society of Endourology and Robotics (KSER) research committee. Analysis encompassed factors triggering urolithiasis, the diagnostic process, stone attributes, treatment methods, and outcomes. Results: Our analysis included 58 kidney transplantation patients with urolithiasis from eight medical centers. Of these patients, 37 were male and 4 had previous urolithiasis diagnoses. The mean age was 59.09 ± 10.70 years, with a mean duration from kidney transplantation to diagnosis of 76.26 ± 183.14 months. The most frequent method of stone detection was through asymptomatic routine check-ups (54.7%). Among the 58 patients, 51 underwent stone treatment. Notably, 95.3% of patients with ureter stones received treatment, a significantly higher rate than the 66.7% of patients with renal stones (p = 0.010). Success rates showed no significant differences between renal (70%) and ureter stone (78.0%) groups (p = 0.881). Conclusions: Urolithiasis in transplanted kidneys constitutes an acute condition requiring emergency intervention. Endo-urological interventions are effective for kidney transplantation patients with urolithiasis. To ensure prevention and early detection, diligent follow-up and routine imaging tests are necessary.

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