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Related Concept Videos

Bone Disorders01:29

Bone Disorders

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Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
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Bone remodeling is a continuous and balanced process of bone resorption by osteoclasts and bone formation by osteoblasts. In adults, it helps maintain bone mass and calcium homeostasis. While mechanical stress can stimulate turnover as part of the normal maintenance and reparative process, several hormones also regulate bone remodeling.
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Osteoclasts are cells responsible for bone resorption and remodeling. They originate from hematopoietic progenitor cells present in the bone marrow. Numerous progenitor cells fuse to form multinucleated cells, each with 10-20 nuclei. A single osteoclast has a diameter of 150 to 200 µM. These cells have ruffled borders that break down the underlying bone tissue and release minerals such as calcium into the blood in bone resorption. Osteoclasts cling to bones with their ruffled edges during...
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Role of Vitamins in Maintaining Bone Health01:25

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The growth and maintenance of bone are regulated by a combination of nutritional factors, including vitamins, such as vitamin A, B12, C, D, and K.
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The minerals contained in all of the food we consume are essential for our organ systems. However, certain essential minerals, such as calcium, phosphorus, magnesium, manganese, and fluoride, largely affect bone health.
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Estrogen-Like Effect of Bazi Bushen Capsule in Ovariectomized Rats
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[Osteoporosis].

Brigitte Uebelhart1, René Rizzoli2

  • 1Service des maladies osseuses, Département des spécialités de médecine, HUG, 1211 Genève. brigitte.uebelhart@hcuge.ch

Revue Medicale Suisse
|February 25, 2014
PubMed
Summary
This summary is machine-generated.

Osteoporosis management quality differs globally. Calcium intake shows no clear cardiovascular risk, while zoledronic acid has lasting effects and Denosumab has no early fracture risk upon cessation.

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Area of Science:

  • Endocrinology
  • Bone Metabolism
  • Cardiovascular Health

Background:

  • Osteoporosis management quality varies internationally.
  • Swiss guidelines utilize the FRAX tool for intervention thresholds.
  • Cardiovascular risks associated with osteoporosis treatments are under scrutiny.

Purpose of the Study:

  • To evaluate the quality of osteoporosis management.
  • To assess cardiovascular disease risk with calcium intake.
  • To determine the duration of zoledronic acid's effect and Denosumab's safety profile post-cessation.

Main Methods:

  • Review of international osteoporosis management quality.
  • Analysis of observational studies on calcium intake and cardiovascular disease.
  • Assessment of persistent effects of zoledronic acid.
  • Evaluation of fracture risk after Denosumab cessation.

Main Results:

  • Calcium intake does not show a clear increased cardiovascular disease risk.
  • Zoledronic acid demonstrates a persistent therapeutic effect post-single injection.
  • No increased fracture risk was observed within 7 months of Denosumab discontinuation.

Conclusions:

  • Osteoporosis treatment effectiveness and safety profiles require ongoing evaluation.
  • Current evidence does not link calcium intake to increased cardiovascular risk.
  • Zoledronic acid and Denosumab offer distinct safety and efficacy profiles in osteoporosis management.