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Related Concept Videos

Bone Remodeling01:40

Bone Remodeling

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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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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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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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Osteoporosis Management.

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This summary is machine-generated.

This clinical update reviews recent osteoporosis research, covering medication safety, fracture risks after hormone therapy cessation, calcium

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Area of Science:

  • Endocrinology
  • Bone Metabolism
  • Geriatric Medicine

Background:

  • Osteoporosis management requires staying updated on the latest clinical evidence.
  • Recent publications offer insights into long-term treatment safety and efficacy.

Purpose of the Study:

  • To summarize high-impact articles on osteoporosis management.
  • To inform clinicians about recent findings on medication safety, fracture risk, and monitoring strategies.

Main Methods:

  • Review of recently published, practice-changing journal articles.
  • Selection of studies focusing on osteoporosis management.

Main Results:

  • Long-term safety data for denosumab and bisphosphonates are presented.
  • Fracture risk following menopausal hormone therapy discontinuation is discussed.
  • The relationship between calcium intake and cardiovascular risk is examined.
  • The utility of repeat dual X-ray absorptiometry scanning for monitoring treatment is evaluated.

Conclusions:

  • Clinicians should consider long-term medication safety profiles.
  • Discontinuation of menopausal hormone therapy may impact fracture risk.
  • Calcium intake recommendations warrant consideration of cardiovascular outcomes.
  • Serial bone density testing is valuable for assessing treatment response.