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Adding Vitamin D decreased kidney deaths by 4x – Dec 2010

The Vitamin D System: A Crosstalk Between the Heart and Kidney

Mario Cozzolino; Markus Ketteler; Daniel Zehnder
Eur J Heart Fail. 2010 Oct;12(10):1031-41.

Chronic kidney disease (CKD) independently increases the rates of cardiovascular disease, whereas the severity of kidney disease correlates with increased cardiovascular morbidity and death. Vitamin D is modified in the liver and the kidney to its active form (1,25-dihydroxyvitamin D) by the 25-hydroxy vitamin D 1-hydroxylase enzyme (CYP27B1). The activated vitamin D brings about its actions through the vitamin D receptor (VDR). The VDRs and CYP27B1 have recently been shown to be expressed in several tissues, not directly involved in mineral homeostasis, including the cardiovascular, immune, and epithelial systems. The action of vitamin D in these tissues is implicated in the regulation of endothelial, vascular smooth muscle, and cardiac cell function, the renin–angiotensin system, inflammatory and fibrotic pathways, and immune response. Impaired VDR activation and signalling results in cellular dysfunction in several organs and biological systems, which leads to reduced bone health, an increased risk for epithelial cancers, metabolic disease, and uncontrolled inflammatory responses. Failure of cardiovascular VDR activation results in hypertension, accelerated atherosclerosis and vascular calcification, cardiac hypertrophy with vascular rarification and fibrosis, and progressive renal dysfunction. An emerging body of evidence has prompted attention to the relationship between CKD, mineral bone disorder (CKD-MBD), and cardiovascular disease in the new guidelines from Kidney Disease: Improving Global Outcomes. Vitamin D receptor activators, commonly used to treat CKD-MBD, and an appropriate treatment of vitamin D hormonal system failure in patients with CKD, may help to reduce cardiovascular morbidity and mortality in these patients.
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It is amazing that such excellent results were buried in the paper. They were not in the title nor abstract.

This is the result of about 10 trials with about 5,000 kidney disease patients.

Note: some of the trials were terminated as they felt it morally wrong to not give vitamin D to all of the Kidney patients

Probable clue in the conflict of interest at the end of the paper

Their making the results more public would probably have reduced their income from Big Pharma.

A 2010 book: White Coat, Black Hat describes the problem very well.
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See also VitaminDWiki

Attached files

ID Name Comment Uploaded Size Downloads
329 kidney conflict.gif admin 03 Dec, 2010 02:18 9.47 Kb 1183
328 Kidney mortality with vitamin D intervention.gif admin 03 Dec, 2010 02:09 17.93 Kb 1328
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