Abstract
Purpose
Adipokines have been associated with increased risk of cardiovascular disease. Our aim was to determine if adipokine levels are associated with coronary artery calcification (CAC) as well as all-cause mortality in incident dialysis patients.
Methods
In patients new to dialysis, we prospectively investigated the association of adiponectin, leptin and resistin with coronary artery calcification measured by ECG-gated computer tomography. Participants were recruited a median of two months after starting dialysis.
Results
The mean age was 50.0 (12.6) years and 31.1% were women. About 42% percent had BMI > 30. Higher adiponectin levels were inversely associated with CAC progression as change in Agatston score [−155.1 (−267.9, −42.2), p = 0.008] or change in CAC volumes between scans [−2.8 (−4.9, −0.6), p = 0.01]. Higher leptin levels were associated with CAC progression [110.4 (34.3–186.6), p = 0.005]. Decreased leptin [HR 0.5 (0.3–0.9), p = 0.05] was associated with all-cause mortality in adjusted models. There was no significant association between all-cause mortality and adiponectin [1.4 (0.6–3.4), p = 0.4] or resistin [HR 1.7 (0.5–5.0), p = 0.4].
Conclusion
High adiponectin protects against CAC progression, but is not associated with increased all-cause mortality. Higher leptin, as well as higher leptin to adiponectin ratio, is associated with CAC progression. Lower leptin levels were associated with all-cause mortality. The association of adipokines and cardiovascular disease in individuals on dialysis is complex and requires further study.
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We would like to thank the research coordinators and patients involved in this study.
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This work was supported by NIH grants R21 HL 086971. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Center for Research Resources or the National Institutes of Health. Funding sources had no involvement in study design, data collection, analysis, and interpretation, writing of the report, or decision to submit the paper for publication.
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N.R., D.H., W.Y. and S.E.R. met the ICMJE. criteria for authorship. Research idea and study design: SER; data acquisition: SER; data analysis/interpretation: N.R., D.H., W.Y., S.E.R.; statistical analysis: N.R., D.H., W.Y., S.E.R. supervision or mentorship: S.E.R. Each author contributed important intellectual content during manuscript drafting or revision and accepts accountability for the overall work by ensuring that questions pertaining to the accuracy or integrity of any portion of the work are appropriately investigated and resolved.
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Roy, N., Haddad, D., Yang, W. et al. Adipokines and coronary artery calcification in incident dialysis participants. Endocrine 77, 272–280 (2022). https://doi.org/10.1007/s12020-022-03111-x
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DOI: https://doi.org/10.1007/s12020-022-03111-x