Abstract
Background
Angiotensin-converting enzyme inhibitors and angiotensin receptor blockers (ACEi/ARBs) can cause acute kidney injury under dehydratation or in hemodynamically unstable conditions. Regarding kidney transplantation (KT), the risk of using ACEi/ARBs before surgery is not well established. Therefore, we evaluated the clinical outcomes to determine the effect of preoperative use of ACEi/ARBs on KT.
Methods
We retrospectively collected 1187 patients who received living-donor KT between January 2017 and December 2021. We conducted a propensity score-matched analysis between the ACEi/ARB(+) and ACEi/ARB(–) groups and evaluated the effects of ACEi/ARBs on delayed graft function, post-KT renal function, hyperkalemia events, rejection, and graft survival.
Results
The ACEi/ARB(+) group showed a similar incidence of delayed graft function as the ACEi/ARB(–) group (1.8% vs. 1.0%, P = 0.362). The risk of delayed graft function was not upregulated in the ACEi/ARB(+) group after propensity score-matching (odds ratio: 0.50, 95% confidence interval (CI) 0.13–2.00). Postoperative creatinine levels and the slope of creatinine levels after KT also were not significantly different between the two groups (creatinine slope from POD#0 to POD#7: – 0.73 ± 0.35 vs. – 0.75 ± 0.32 mg/dL/day, P = 0.464). Hyperkalemia did not occur more often in the ACEi/ARB(+) group than in the ACEi/ARB(–) group during perioperative days. Rejection-free survival (P = 0.920) and graft survival (P = 0.621) were not significantly different between the two groups.
Conclusions
In KT, the preoperative use of ACEi/ARBs did not significantly affect clinical outcomes including delayed graft function, postoperative renal function, hyperkalemia events, incidence of rejection, and graft survival rates compared to the patients who did not receive ACEi/ARBs.
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Data availability
The data supporting this study’s findings are available from the corresponding author upon reasonable request.
Abbreviations
- ACEi:
-
Angiotensin-converting enzyme inhibitor
- ARBs:
-
Angiotensin receptor blockers
- BMI:
-
Body mass index
- CI:
-
Confidence interval
- HLA:
-
Human leukocyte antigen
- HR:
-
Hazard ratio
- IV:
-
Intravenous
- KT:
-
Kidney transplantation
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Acknowledgements
The authors would like to thank Hyojin Lee for coordinating kidney transplantation in our medical center.
Funding
This study was supported by a grant (2021IF0019) from the Asan Institute for Life Sciences, Asan Medical Center, Seoul, Korea.
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Participated in the research design: Jaeyun Lee, Chung Hee Baek. Participated in the writing of the paper: Jaeyun Lee, Chung Hee Baek. Participated in the execution of the research: Chan-Young Jung, Hyosang Kim, Youngmin Ko, Hyunwook Kwon, Sung Shin, Young Hoon Kim, Su-Kil Park. Participated in data analysis: Hwa Jung Kim, Jaeyun Lee, Chung Hee Baek. Participated in data interpretation: Jaeyun Lee, Chung Hee Baek, Chan-Young Jung, Hyosang Kim, Youngmin Ko, Hyunwook Kwon, Sung Shin, Young Hoon Kim, Su-Kil Park, Hwa Jung Kim.
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This study was conducted according to the guidelines of the Declaration of Helsinki and approved by the Asan Medical Center Institutional Review Board (Number: 2023–1276).
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The study protocol and waiver of consent were approved by the Asan Medical Center Institutional Review Board (2023–1276). All data used in this study were anonymized.
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Lee, J., Jung, CY., Kim, H. et al. Effect of pre-transplantation use of angiotensin-converting enzyme inhibitor or angiotensin receptor blocker in kidney transplant recipients—propensity score-matched analysis. J Nephrol (2024). https://doi.org/10.1007/s40620-024-01938-3
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DOI: https://doi.org/10.1007/s40620-024-01938-3