Abstract
Individuals with primary aldosteronism (PA) exhibit glomerular hyperfiltration, which may conceal underlying kidney damage. This observational cohort study enrolled 760 coronary artery disease-naive patients diagnosed with PA between January 1, 2007 and December 31, 2018 (male, 45%; mean age, 52.3 ± 11.9 years). The baseline estimated glomerular filtration rate (eGFR) was calculated using the 2021 Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equation, which includes serum creatinine and cystatin C but omits the race variable. During a mean follow-up of 5.8 ± 3.2 years, new-onset composite cardiovascular events (total death, non-fatal myocardial infarction, and coronary revascularization procedure) occurred at a crude incidence rate of 10.9 per 1,000 person-years. Multivariable Cox proportional hazards analysis showed that baseline eGFR was independently associated with composite cardiovascular events (hazard ratio [HR], 0.98 [95% CI, 0.97–0.99]). Penalized splines smoothing in multivariable regression analysis demonstrated that the risk of composite cardiovascular events increased negatively and linearly when patients had a baseline eGFR less than 85 mL/min/1.73 m2. Patients with baseline eGFR <85 mL/min/1.73 m2 were independently associated with higher risks of composite cardiovascular events (HR, 2.39 [95% CI, 1.16–4.93]), all-cause mortality (HR, 4.63 [95% CI, 1.59–13.46]), and adverse kidney events (sub-distribution HR, 5.96 [95% CI, 3.69–9.62], with mortality as a competing risk). Our data support baseline eGFR as a predictor for new-onset adverse cardiorenal events and emphasizes the importance of the early detection of kidney function impairment in hypertensive patients with PA. We also firstly validate the 2021 race-free CKD-EPI eGFR equation in Asian patents with PA.
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Acknowledgements
The authors thank Miss Fang-Yu Yeh for her assistant in statistical analysis. The authors also thank the staff of the Second and Seventh Core Labs, Department of Medical Research at National Taiwan University Hospital for technical assistance. The authors express sincere gratitude to all staffs of the Taiwan Clinical Trial Consortium (TCTC).
the TAIPAI study group
Vin-Cent Wu1,3, Tai-Shuan Lai1, Jeff S. Chueh4, Shao-Yu Yang1, Kao-Lang Liu5, Chin-Chen Chang5, Bo-Ching Lee5, Shuo-Meng Wang4, Kuo-How Huang4, Po-Chih Lin2, Yen-Hung Lin2,3, Chi-Sheng Hung2, Lian-Yu Lin2,6, Shih-Cheng Liao5, Ching-Chu Lu5, Chieh-Kai Chan7, Leay-Kiaw Er8, Ya-Hui Hu8, Che-Hsiung Wu8, Yao-Chou Tsai8, Zheng-Wei Chen6, Chien-Ting Pan6, Che-Wei Liao9, Cheng-Hsuan Tsai2, Yi-Yao Chang10, Chen-Hsun Ho11, Wei-Chieh Huang12, Ying-Ying Chen13
Funding
This work was supported by the National Science and Technology Council, Taiwan (110-2314-B-002-239, 110-2314-B-002-241); National Health Research Institutes, Taiwan (PH 102-SP-09); National Taiwan University Hospital (109-S4634, UN109-041, UN110-030); Ministry of Health and Welfare, Taiwan (110-TDU-B-212-124005); Mrs. Hsiu-Chin Lee Kidney Research Fund. The funds played no role in the study design, data collection, analysis and interpretation, manuscript writing or in the decision to submit this manuscript for publication.
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JSC and VCW conceptualized and design the study; YHL, KHH, and VCW were responsible for investigation; CFL, YHL, and VCW were responsible for data curation; CFL and VCW were responsible for methodology; CFL and VCW were responsible for formal analysis; CFL and VCW were responsible for visualization; JSC was responsible for resources; JSC provided supervision; CFL and VCW wrote the original draft; and YHL, KHH, and JSC reviewed and edited the manuscript.
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Lai, CF., Lin, YH., Huang, KH. et al. Kidney function predicts new-onset cardiorenal events and mortality in primary aldosteronism: approach of the 2021 race-free eGFR equation. Hypertens Res 47, 233–244 (2024). https://doi.org/10.1038/s41440-023-01400-0
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DOI: https://doi.org/10.1038/s41440-023-01400-0