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Vertebral fracture 3X more likely with aortic calcification – Vitamins D3 and K2 Sept 2012

Aortic Calcification and Bone Metabolism:

The Relationship between Aortic Calcification, BMD, Vertebral Fracture, 25-Hydroxyvitamin D, and Osteocalcin.

Calcif Tissue Int. 2012 Sep 29.
Kim KJ, Kim KM, Park KH, Choi HS, Rhee Y, Lee YH, Cha BS, Kim MJ, Oh SM, Brown JK, Lim SK.
Division of Endocrinology, Department of Internal Medicine, Yonsei University College of Medicine, 134 Shinchon-dong, Seodaemun-gu, Seoul, 120-752, South Korea.

The aim of this study was to investigate the relationship between aortic calcification (AC) and low bone mineral density (BMD), 25(OH)D, C-terminal telopeptide (CTx), and osteocalcin levels in Asian women. We also tried to find the association between AC and the risk of vertebral fracture. We included 769 patients in this study. All patients underwent QCT. Aortic calcium score (ACS) was quantified by the Agatston scoring method. Spinal fracture was defined by lumbar spine radiography.

Among 769 subjects, 96 had at least one vertebral fracture and 345 had AC.
ACS positively correlated with

  • age.

ACS inversely related with:

  • Osteocalcin,
  • Ctx,
  • 25(OH)D,
  • total-hip trabecular BMD (tBMD),
  • femoral neck tBMD, and
  • vertebral tBMD.

However, cortical BMD (cBMD) did not correlate with ACS.
Among these parameters, only osteocalcin significantly correlated with ACS, even after adjusting for age.
We divided the subjects into two groups based on the presence of AC to determine the association between AC and vertebral fracture. Multivariate logistic regression analysis showed that age, tBMD of each site, and AC were associated with vertebral fractures.

After adjusting for confounding factors, patients with AC had more than a threefold increased risk of vertebral fracture (OR = 3.29-3.57, P < 0.05 according to site). This study suggests that high ACS is related to low tBMD but not cBMD. Furthermore, our findings indicate that this relationship is definitely age-dependent.

Finally, we found that AC is significantly associated with the prevalence of vertebral fracture in Asian women.

PMID: 23052223
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Low vitamin K2 results in removal of Calcium from bones and Aortic Calcification
Low vitamin D is strongly associated with removal of Calcium from bones

See also VitaminDWiki

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