Obokata, M and Negishi, K and Sunaga, H and Ishida, H and Ito, K and Ogawa, T and Iso, T and Ando, Y and Kurabayashi, M, Association between circulating ketone bodies and worse outcomes in hemodialysis patients, Journal of the American Heart Association, 6, (10) Article e006885. ISSN 2047-9980 (2017) [Refereed Article]
Copyright 2017 The Authors. Licensed under Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) https://creativecommons.org/licenses/by-nc-nd/4.0/
Methods and Results: We retrospectively assessed the relationship between serum β-hydroxybutyrate (βOHB), the most abundant ketone body in the circulation, and prognosis in 405 stable hemodialysis patients. During a mean follow-up of 3.2±0.9 years, there were 54 major adverse cardiovascular events (defined as cardiovascular death, nonfatal myocardial infarction, nonfatal stroke, and hospitalization attributed to heart failure) and 67 all-cause deaths. Major adverse cardiovascular events rates increased from 11.1 per 1000 person-years in the lowest βOHB quintile (<89 μmol/L) to 80.1 per 1000 person-years in the highest quintile (>409 μmol/L). After adjusting for demographic characteristics, coronary artery disease, and atrial fibrillation, the highest βOHB quintile was associated with increased risk of major adverse cardiovascular events compared with the lowest quintile (hazard ratio, 10.2; 95% confidence interval [3.35-44.0]; P<0.001). Increased quintiles of βOHB were independently and incrementally associated with major adverse cardiovascular events over the model based on an established risk score (the second Analyzing Data, Recognizing Excellence and Optimizing Outcomes cohort score) and N-terminal pro-B-type natriuretic peptide (chi square 39.9 versus 21.7; P<0.001; c-statistics, 0.713). Sensitivity analyses also confirmed the robustness of association between βOHB and all-cause death.
Conclusions: Increased serum βOHB levels were independently associated with cardiovascular events and all-cause death in patients receiving hemodialysis. These results highlight the need for future studies to understand the mechanisms underlying these observations.
|Item Type:||Refereed Article|
|Keywords:||hemodialysis, ketone body, metabolism, prognostic factor, β‐hydroxybutyrate|
|Research Division:||Medical and Health Sciences|
|Research Group:||Cardiorespiratory Medicine and Haematology|
|Research Field:||Cardiology (incl. Cardiovascular Diseases)|
|Objective Group:||Clinical Health (Organs, Diseases and Abnormal Conditions)|
|Objective Field:||Cardiovascular System and Diseases|
|UTAS Author:||Negishi, K (Dr Kazuaki Negishi)|
|Web of Science® Times Cited:||7|
|Deposited By:||Menzies Institute for Medical Research|
|Downloads:||35 View Download Statistics|
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