Abstract
Objective
To evaluate iodixanol-associated acute kidney injury (AKI) and prognosis in patients undergoing elective percutaneous coronary intervention (PCI).
Methods
Patients undergoing elective PCI and iodixanol administration were prospectively enrolled in 8 centers between May 2020 and November 2021. The primary endpoint was AKI, defined as an increase in SCr of ≥ 0.3 mg/dL (26.4 μmol/L) or relative elevation ≥ 50% from baseline in the 48–72 h after PCI. Prognosis evaluations included the major adverse renal and cardiovascular events (MARCE): all-cause mortality, new-onset renal replacement therapy (NRRT), non-fatal myocardial infarction, and non-fatal stroke. AKI predictors were identified using multivariable logistic regression and associations between AKI and outcomes were examined using Cox regression.
Results
A total of 3630 patients were included in the final analysis and 2.9% of patients (107/3,630) suffered AKI. Among them, 95.3% (102/107) of AKI were stage 1, and 4.6% (5/107) of stage 2. The multivariable analysis indicated that age over 75-year-old, diabetes, NT-pro-BNP > 300 pg/mL, hemoglobin < 110 g/L, eGFR < 60 mL/min/1.73m2, and diuretics were independently associated with AKI (p < 0.05). After a median follow-up of 13 months, MARCE occurred in 3.6% (131/3630) of the study population, and their incidence was higher in AKI (9.4%, 10/107) vs. non-AKI patients (3.4%, 121/3,523). However, after multivariable adjustment, there was no statistically significant association between AKI and MARCE (p = 0.382).
Conclusions
In patients undergoing elective PCI, cases of iodixanol-associated AKI were mostly mild and, after multivariable adjustment, held no statistically significant association with MARCE on mid-term follow-up.
Clinical relevance statement
The incidence of iodixanol-associated AKI was low and mainly limited to mild renal impairment in patients undergoing elective PCI. Physicians should provide adequate contrast for coronary artery evaluation and, at the same time, minimize the contrast volume.
Key Points
• The incidence of iodixanol-associated acute kidney injury was low and mostly limited to mild renal impairment.
• Iodixanol administration had no statistically significant impact on the major adverse renal and cardiovascular events in patients undergoing elective percutaneous coronary intervention.
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Abbreviations
- ACEI:
-
Angiotensin converting enzyme inhibitor
- AKI:
-
Acute kidney injury
- ARB:
-
Angiotensin II receptor blocker
- CA-AKI:
-
Contrast-associated acute kidney injury
- CCB :
-
Calcium channel blockers
- CKD :
-
Chronic kidney disease
- eGFR:
-
Estimated glomerular filtration rate
- LVEF:
-
Left Ventricular Ejection Fraction
- MARCE :
-
Major adverse renal and cardiovascular events
- MDRD :
-
Modification of diet in renal disease
- MI :
-
Non-fatal myocardial infarction
- NRRT :
-
New-renal replacement therapy
- NT-Pro-BNP :
-
N-terminal pro-B-type natriuretic peptide
- NYHA:
-
New York Heart Association
- PCI:
-
Percutaneous coronary intervention
- SBP:
-
Systolic blood pressure
- SCr:
-
Serum creatinine
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Acknowledgements
We gratefully acknowledged all the researchers enrolled in this study. We appreciated Prof. Rufu Xu from Xinqiao Hospital for his support in statistical analysis.
Funding
This study has received funding by the National Natural Science Foundation of China (81670428) and the Technical Innovation & Application Development Special Project from Chongqing City (cstc2019jscx-msxmX0128).
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The scientific guarantor of this publication is Xiaohui Zhao, Institute of Cardiovascular Research, Xinqiao Hospital, Army Medical University, Chongqing, China.
Conflict of interest
Dr. Azzalini has received consulting fees from Teleflex, Abiomed, GE Healthcare, Asahi Intec, Philips, Abbott Vascular, and Cardiovascular Systems, Inc. All Other authors of this manuscript declare no relationships with any companies, whose products or services may be related to the subject matter of the article.
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No complex statistical methods were necessary for this paper.
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Written informed consent was obtained from all subjects (patients) in this study.
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prospective
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multicenter study
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Chen, Z., Mao, Q., Xiang, L. et al. Iodixanol-associated acute kidney injury and prognosis in patients undergoing elective percutaneous coronary intervention: a prospective, multi-center study. Eur Radiol 33, 9444–9454 (2023). https://doi.org/10.1007/s00330-023-09964-8
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DOI: https://doi.org/10.1007/s00330-023-09964-8