Journal
CLINICAL CHEMISTRY
Volume 67, Issue 1, Pages 298-307Publisher
OXFORD UNIV PRESS INC
DOI: 10.1093/clinchem/hvaa288
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Funding
- NIH from the National Institute of Diabetes and Digestive and Kidney Diseases [K24DK106414, R01DK089174]
- NIH - National Heart, Lung, and Blood Institute [R01HL134320]
- National Heart, Lung, and Blood Institute, National Institutes of Health, Department of Health and Human Services [HHSN268201700001I, HHSN268201700002I, HHSN268201700003I, HHSN2682017 00005I, HHSN268201700004I]
- Abbott
- Roche
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The study found that higher concentrations of hs-cTnT and NTproBNP are significantly associated with an increased risk of hospitalization with acute kidney injury (AKI), and can help identify people at risk in the general population.
BACKGROUND: Cardiac markers such as high-sensitivity cardiac troponin T (hs-cTnT) and N-terminal pro-B natriuretic peptide (NTproBNP) are predictors of developing acute kidney injury (AKI) during hospitalization for surgery or revascularization. However, their associations with the long-term risk of AKI in the general population are uncharacterized. METHODS: We conducted a prospective cohort study in 10 669 participants of the Atherosclerosis Risk in Communities Study (visit 4, 1996-1998, mean age, 63 years, 56% female, 22% black race) to examine the association of plasma concentrations of hs-cTnT and NTproBNP with the incident hospitalization with AKI. We used multivariable Cox regression analysis to estimate hazard ratios (HRs). RESULTS: During follow-up, 1907 participants had an incident hospitalization with AKI. Participants with higher concentrations of hs-cTnT had a higher risk of hospitalization with AM in a graded fashion (adjusted HR, 1.88 [95%CI , 1.59-2.21] for >= 14 ng/L, 1.36 [1.18-1.57] for 9-13 ng/L, and 1.16 [1.03-1.30] for 5-8 ng/L compared to <5 ng/L). The graded association was also observed for NTproBNP (HR, 2.27 [1.93-2.68] for >= 272.7 pg/mL, 1.67 [1.45-1.93] for 142.4-272.6 pg/mL, and 1.31 [1.17-1.47] for 64.0-142.3 pg/mL compared to <64.0 pg/mL). The addition of hs-cTnT and NTproBNP to a model with established predictors significantly improved 10-year risk prediction for hospitalization with AKI (Delta c-statistic, 0.015 [95%CI, 0.006-0.024]). CONCLUSIONS: In middle-aged to older black and white adults in the community, higher concentrations of hscTnT and NTproBNP were robustly associated with an increased risk of hospitalization with AM. These results suggest the usefulness of hs-cTnT and NT-proBNP to identify people at risk of AKI in the general population.
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