Annals of surgical treatment and research · 2026
Comparative outcomes of dialysis vascular access in kidney transplant patients: a propensity score-matched retrospective cohort study.
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Kang Minyu, Koh Hwa-Hee, Yoo Young Jin, Heo Seon-Hee, Kim Soo Jin
Аннотация
PURPOSE: A proportion of patients who undergo kidney transplantation (KT) eventually experience graft failure and require dialysis. However, the characteristics of posttransplant patients differ from non-KT patients considering the long-term use of immunosuppressants, steroids, and associated complications. These differences may influence the outcomes of vascular access (VA). This study aims to compare the VA outcomes and infection rates between KT with allograft failures and non-KT patients.
METHODS: We retrospectively analyzed patients who underwent VA creation between January 2018 and November 2023. A propensity score-matched cohort was created based on age and sex, comparing 61 patients who received their first VA creation after KT to 222 patients who had never undergone KT before VA creation.
RESULTS: The median VA patency was 841 days. VA abandonment within 3 months occurred in 3.2% in the non-KT group and 1.6% in the KT with failed allograft group (P = 0.845). Infection rates were also similar (4.1% vs. 3.3%, P = 0.226). Cox regression indicated that KT was not a significant risk factor for VA patency, whereas low body mass index and diabetes mellitus were significant risk factors for long-term patency. In the KT group, steroid and mammalian target of rapamycin (mTOR) inhibitor use before VA formation were identified as risk factors for primary patency.
CONCLUSION: VA outcomes in KT patients with allograft failure were comparable to those of non-KT patients. While KT status itself does not adversely affect VA patency or infection rates, patients with low body mass index, diabetes mellitus, or who are receiving steroid or mTOR inhibitors should be carefully managed.
METHODS: We retrospectively analyzed patients who underwent VA creation between January 2018 and November 2023. A propensity score-matched cohort was created based on age and sex, comparing 61 patients who received their first VA creation after KT to 222 patients who had never undergone KT before VA creation.
RESULTS: The median VA patency was 841 days. VA abandonment within 3 months occurred in 3.2% in the non-KT group and 1.6% in the KT with failed allograft group (P = 0.845). Infection rates were also similar (4.1% vs. 3.3%, P = 0.226). Cox regression indicated that KT was not a significant risk factor for VA patency, whereas low body mass index and diabetes mellitus were significant risk factors for long-term patency. In the KT group, steroid and mammalian target of rapamycin (mTOR) inhibitor use before VA formation were identified as risk factors for primary patency.
CONCLUSION: VA outcomes in KT patients with allograft failure were comparable to those of non-KT patients. While KT status itself does not adversely affect VA patency or infection rates, patients with low body mass index, diabetes mellitus, or who are receiving steroid or mTOR inhibitors should be carefully managed.