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Serum osteocalcin levels are useful as a predictor of cardiovascular events in maintenance hemodialysis patients

  • Nephrology – Original Paper
  • Published:
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Abstract

Backgrounds

Osteocalcin (OC) is a known bone metabolic marker and a regulator of glucose and fat metabolisms. Although bone and energy metabolisms are known risk factors for cardiovascular disease (CVD) in hemodialysis (HD) patients, few studies have examined the correlation between OC and CVD. The purpose of this study was to investigate the impact of serum OC levels on the emergence of new CVD events in HD patients.

Methods

We designed a longitudinal, observational cohort study in which the study patients were divided into low- and high-serum OC groups based on a median serum OC level of 71.5 ng/ml.

Results

Cardiovascular disease events were observed in 29 of 126 patients (23.0 %). The number of cumulative CVD events in the low-serum OC group was significantly higher than that in the high-serum OC group, as evaluated by the Kaplan–Meier method (p = 0.0021, log-rank test). Multivariate Cox proportional hazards analysis demonstrated that a low level of serum OC is a significant predictor of a higher incidence of CVD events [hazard ratio, 2.925; 95 % confidence interval, 1.048–9.066; p = 0.0401] after adjustment.

Conclusion

Serum OC level is a significant, independent prognostic factor for CVD events in maintenance HD patients. OC may be useful in predicting new CVD events in HD patients.

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Authors and Affiliations

  1. Department of 4th Medicine, Tokyo Women’s Medical University, 8-1 Kawadacho, Shinjukuku, Tokyo, 162-8666, Japan

    Tetsuri Yamashita, Kazuhiro Okano, Yuki Tsuruta & Kosaku Nitta

  2. Department of Blood Purification, Kidney Center, Tokyo Women’s Medical University, Tokyo, Japan

    Takashi Akiba

Authors
  1. Tetsuri Yamashita
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  2. Kazuhiro Okano
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  3. Yuki Tsuruta
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  4. Takashi Akiba
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  5. Kosaku Nitta
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Correspondence to Kazuhiro Okano.

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Yamashita, T., Okano, K., Tsuruta, Y. et al. Serum osteocalcin levels are useful as a predictor of cardiovascular events in maintenance hemodialysis patients. Int Urol Nephrol 45, 207–214 (2013). https://doi.org/10.1007/s11255-012-0156-6

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  • DOI: https://doi.org/10.1007/s11255-012-0156-6

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