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Last Updated 04/17/18

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Unless closely monitored, renal bone disease (renal osteodystrophy) is a problem that will be experienced by most people suffering from end stage renal disease (ESRD). Renal bone disease is a complex issue and involves many more factors than can be listed in this limited space. Only the very basics are outlined here.

First, the kidneys are involved in the synthesis of vitamin D, which is the most essential factor regulating intestinal absorption of calcium in humans. When the kidneys fail and less vitamin D is created, the amount of calcium absorbed by the intestines is reduced. Calcium is most essential substance for bone maintenance and health. Next, calcium and phosphorus levels in the blood (which are normally regulated by the kidneys) are dependent upon each other. Therefore, when the kidneys fail and the phosphorus level in the blood goes up, the (free) calcium level in the blood decreases. In response to these two factors that lower serum calcium, the body then increases the parathyroid hormone (PTH) level in the blood.  PTH causes calcium to be released from the bones in order to increase the serum calcium level.  Left untreated, an ESRD patient will have bones that are depleted of calcium, brittle, and likely to fracture.

Treatment and prevention of renal bone disease usually include the use of phosphate binders and vitamin D analogs (to reduce PTH levels).  In the past, treatment frequently included the removal of the parathyroid glands.

Normal serum calcium is 8.5-10.8 mg/dL.

Normal serum phosphorus for dialysis patients is 3.5 to 5.5 mg/dl High phosphorus levels also cause itchy skin.

It is recommended that ESRD patients maintain a calcium phosphorous product that is below 70.

Warning:  Changes should never be made in a patient's treatment or care based solely on the information found here.  Every patient has unique healthcare concerns and considerations and all these factors must all be taken into account before any changes can be safely made.  All medical and therapeutic decisions must come from a qualified health care provider.  Read RenalWEB's Legal Disclaimer before proceeding.

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Effect of Hybrid Blood Purification Treatment on Secondary Hyperparathyroidism for Maintenance Hemodialysis Patients - Issue-in-Progress Abstract from Blood Purification. - April 12, 2018

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The Effects of Tenapanor on Serum Fibroblast Growth Factor 23 in Patients Receiving Hemodialysis with Hyperphosphatemia - Free, Open Access, Advance Article from NDT. - April 3, 2018

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Time to Rethink the Use of Bone Biopsy to Prevent Fractures in Patients with Chronic Kidney Disease - Published Ahead-of-Print abstract from Current Opinion in Nephrology and Hypertension. - March 31, 2018

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Fibroblast Growth Factor 23 is Associated With Adiposity in Patients Receiving Hemodialysis: Possible Cross Talk Between Bone and Adipose Tissue - Article in Press abstract from Journal of Renal Nutrition. - March 29, 2018

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Prevention and Treatment of Hyperphosphatemia in Chronic Kidney Disease - Article in Press abstract from Kidney International. - March 24, 2018

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Diagnosis, Evaluation, Prevention, and Treatment of Chronic Kidney Disease–Mineral and Bone Disorder: Synopsis of the Kidney Disease: Improving Global Outcomes 2017 Clinical Practice Guideline Update - Free, full-text article from Annals of Internal Medicine. - March 20, 2018

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Diagnostic Accuracy of Biomarkers and Imaging for Bone Turnover in Renal Osteodystrophy - JASN Express abstract. - March 19, 2018

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Published Ahead-of-Print Abstracts from Current Opinion in Nephrology and Hypertension - March 15, 2018

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Achievement of 2009 and 2017 Kidney Disease: Improving Global Outcomes Mineral and Bone Targets and Survival in a French Cohort of Chronic Kidney Disease Stages 4 and 5 Non-dialysis Patients - Free, full-text, Advance Article from Clinical Kidney Journal. - March 15, 2018

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Impact of pH and Phosphate Concentration on the Phosphate Binding Capacity of Five Contemporary Binders - Article from European Nephrology Portal. - March 14, 2018

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FDA Approves Generic Version of Amgen's Sensipar - Article from Nephrology News & Issues. FDA list of First-Time Generic Drug Approvals 2018. - March 14, 2018

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Calcimimetics Versus Parathyroidectomy: What Is Preferable? - First Online Abstract from International Urology And Nephrology. - March 12, 2018

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Parathyroidectomy in the Management of Secondary Hyperparathyroidism - CJASN Express Abstract. - March 9, 2018

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blue ball Latest Scientific Journal Articles on Bone Disease Continually Updated!
Bone Density Studies Benefits Brochure (pdf format requires Adobe Acrobat reader)  from the Centers for Medicare & Medicaid Services (CMS)
National Institutes of Health Osteoporosis and Related Bone Diseases - National Resource Center web site
Bone Disease from the Kidney Patient Guide web site of the UK
blue ball Bone and Mineral Metabolism - this is a growing library of key high-impact articles in nephrology, chosen by UKidney's contributors as suggested reading for nephrology trainees and practitioners.
AAKP Nutrition Coundter: A Reference for the Kidney Patient from the American Association of Kidney Patients web site
Chronic Kidney Disease Mineral and Bone Disorder in Children - full-text educational feature from Pediatric Nephrology
Mineral and Bone Disorder in CKD Stage 3 and 4 from the National Kidney Foundation web site
Renassist is a value-added program provided to patients to assist them in determining how they can access Renagel through their current health insurance from the Genzyme web site
Drug and Supplements Info: Calcium Carbonate from NLM MedLine Plus 
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Bone Mineral Metabolism Fact Sheet (pdf format requires Adobe Acrobat reader.) from the American Nephrology Nurses’ Association
Chronic Kidney Disease-Mineral and Bone Disorder - from the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) web site
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Washington University Nephrology Web Episode - Bone Mineral Metabolism - Video from the Renal Fellow Network blog. 

Renal Osteodystrophy Topic from
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  PUBMED SEARCHES (National Library of Medicine's MEDLINE Database)
osteodystrophy AND dialysis   Continually Updated!
bone disease AND dialysis   Continually Updated!
phosphate binder   Continually Updated!
hyperparathyroidism AND dialysis    Continually Updated!
secondary hyperparathyroidism   Continually Updated!
MEDLINE / Pubmed Information from the National Library of Medicine
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  K/DOQI™ -  Kidney Disease Outcomes Quality Initiative
Clinical Practice Guidelines For Chronic Kidney Disease

  Clinical Practice Guidelines for Bone Metabolism and Disease in Chronic Kidney Disease

  Clinical Practice Guidelines for Bone Metabolism and Disease in Chronic Kidney Disease in Children
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  KDIGO™ -  Kidney Disease: Improving Global Outcomes
Clinical Practice Guidelines: Table of Contents

  Clinical Practice Guideline for CKD-Mineral and Bone Disorder (CKD-MBD) (Published 2017)

Renal Osteodystrophy-related web pages by Yahoo! Continually Updated!
Renal Osteoporosis-related web pages by Yahoo! Continually Updated!
Renal Osteoarthritis-related web pages by Yahoo! Continually Updated!
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General Dialysis Nursing Issues and Questions (No dedicated RenalWEB forum yet for this topic)
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PHOSLYRA (calcium acetate oral solution) solution by Fresenius Medical Care North America
RenVela® Tablets (sevelamer) - phosphate binder
Hectorol™ Capsules (vitamin D analog for treating secondary hyperparathyroidism)
Rocaltrol ® brand of (calcitrol) Capsules and Oral Solution (vitamin D analog) - Product Information
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Well Nourished Patient topic page from RenalWEB
aluminum and dialysis (PUBMED Search) Continually Updated!
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E-mail to RenalWEB on the Bone Disease Management Topic
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