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Background

Acute kidney disease (AKD) has received increasing attention owing to its poor prognosis. However, few studies have investigated the trends in AKD incidence and prognosis among patients undergoing coronary angiography (CAG). Therefore, this study was designed to explore trends in the incidence and mortality of AKD following CAG in China.

Methods

We enrolled patients undergoing CAG using data of the Cardiorenal Improvement (CIN) cohort registry of Guangdong Provincial People's Hospital. Univariate and multivariate logistic regression analyses were applied to examine the incidence of AKD from 2008 to 2017. Mortality rates are presented as deaths per 1000 person‐years and were evaluated in univariate and multivariate Cox regression analyses.

Results

A total of 9665 patients (mean age: 61.6 ± 9.6 years, 40% women) were enrolled in the final analysis. From 2008 to 2017, the overall incidence and mortality of AKD were 19% and 323.0 per 1000 person‐years, respectively. The incidence of AKD decreased from 25% to 13% during 2008–2017 (adjusted odds ratio, 0.40; 95% confidence interval [CI], 0.31–0.51; p < 0.01; p for trend <0.01). However, the mortality of AKD increased significantly from 138.2 to 544.1 per 1000 person‐years (adjusted hazard ratio, 2.85; 95% CI, 1.20–6.73; p = 0.02, p for trend = 0.02). The above trends were observed consistently in patients stratified by sex and age.

Conclusions

Our findings suggest a significant decrease in incidence and an increase in mortality of AKD following CAG from 2008 to 2017 in China. We advocate for more proactive measures to prevent AKD and improve the prognosis of patients with AKD.


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Trends in incidence and mortality of acute kidney disease following coronary angiography in Chinese population: 2008–2017

Show Author's information Qiang Li1,2Haozhang Huang1,2Weihua Chen3Shanshan Shi3Xiaozhao Lu1,2Wenguang Lai1,2Guoxiao Liang1,2Jielan Wu1,2Jiyan Chen1,2Jin Liu1,2Shiqun Chen1,2 ( )Amanda Y. Wang4,5,6( )Yong Liu1,2 ( )
Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital Guangdong Academy of Medical Sciences, Guangzhou, China
Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China
Department of Cardiology, Longyan First Hospital Affiliated with Fujian Medical University, Longyan, China
Faculty of Medicine and Health Sciences, Macquarie University, Sydney, New South Wales, Australia
Renal and Metabolic Division, George Institute for Global Health, Newtown, New South Wales, Australia
Department of Renal Medicine, Concord Clinical School, The University of Sydney, Sydney, New South Wales, Australia

Abstract

Background

Acute kidney disease (AKD) has received increasing attention owing to its poor prognosis. However, few studies have investigated the trends in AKD incidence and prognosis among patients undergoing coronary angiography (CAG). Therefore, this study was designed to explore trends in the incidence and mortality of AKD following CAG in China.

Methods

We enrolled patients undergoing CAG using data of the Cardiorenal Improvement (CIN) cohort registry of Guangdong Provincial People's Hospital. Univariate and multivariate logistic regression analyses were applied to examine the incidence of AKD from 2008 to 2017. Mortality rates are presented as deaths per 1000 person‐years and were evaluated in univariate and multivariate Cox regression analyses.

Results

A total of 9665 patients (mean age: 61.6 ± 9.6 years, 40% women) were enrolled in the final analysis. From 2008 to 2017, the overall incidence and mortality of AKD were 19% and 323.0 per 1000 person‐years, respectively. The incidence of AKD decreased from 25% to 13% during 2008–2017 (adjusted odds ratio, 0.40; 95% confidence interval [CI], 0.31–0.51; p < 0.01; p for trend <0.01). However, the mortality of AKD increased significantly from 138.2 to 544.1 per 1000 person‐years (adjusted hazard ratio, 2.85; 95% CI, 1.20–6.73; p = 0.02, p for trend = 0.02). The above trends were observed consistently in patients stratified by sex and age.

Conclusions

Our findings suggest a significant decrease in incidence and an increase in mortality of AKD following CAG from 2008 to 2017 in China. We advocate for more proactive measures to prevent AKD and improve the prognosis of patients with AKD.

Keywords: mortality, acute kidney disease, coronary angiography, trend

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Publication history

Received: 24 February 2023
Accepted: 13 May 2023
Published: 20 June 2023
Issue date: June 2023

Copyright

© 2023 The Authors. Tsinghua University Press.

Acknowledgements

ACKNOWLEDGMENTS

Professor Wang was supported by a grant from the National Heart Foundation Vanguard, Australia. This research was funded and supported by the Guangdong Provincial Science and Technology Project (2020B1111170011 and KJ022021049), and Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention (No. Y0120220151).

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