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Related Concept Videos

Bone Remodeling01:40

Bone Remodeling

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.
Bone Disorders01:29

Bone Disorders

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.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
Osteoclasts in Bone Remodeling01:31

Osteoclasts in Bone Remodeling

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 bone...
Role of Vitamins in Maintaining Bone Health01:25

Role of Vitamins in Maintaining Bone Health

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.
Vitamin A
Vitamin A is involved in the process of bone remodeling. Retinoic acid, the active metabolite of Vitamin A, has nuclear receptors in osteoblasts and osteoclasts, which are involved in bone remodeling.
Vitamin B12
Vitamin B12 acts as a cofactor during the formation of osteoblast-related proteins, such as osteocalcin. Vitamin B12 plays a role...
Drug Therapy01:28

Drug Therapy

The advent of drug therapy has profoundly shaped modern mental health care, providing targeted treatments for a range of psychological disorders. Psychotherapeutic drugs, classified into antianxiety, antidepressant, and antipsychotic medications, address symptoms across anxiety disorders, mood disorders, and schizophrenia. While these medications have transformed patient outcomes, they require careful management due to their potential side effects and limitations.
Antianxiety Medications
Fractures: Bone Repair01:27

Fractures: Bone Repair

Treatment for a fracture is based on the type of break, the bone affected, and the patient's age.
Minor fractures with no bone displacement are treated by immobilizing the fractured bone using a cast or splint. However, in the case of fractures with displaced bones, the broken bones are repositioned before immobilization to ensure successful healing without deformation and loss of function. The realignment of fractured bone ends is performed through a process called reduction. If the procedure...

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Related Experiment Videos

Implementing adherence to osteoporosis treatments.

Stefano Gonnelli1, Laura Masi, Maria Luisa Brandi

  • 1Department of Internal Medicine, Endocrine-Metabolic Science and Biochemistry, University of Siena, Italy.

Clinical Cases in Mineral and Bone Metabolism : the Official Journal of the Italian Society of Osteoporosis, Mineral Metabolism, and Skeletal Diseases
|March 31, 2012
PubMed
Summary

Osteoporosis management requires long-term medication adherence. Improving patient adherence to osteoporosis treatments, like bisphosphonates (BPs), is crucial to prevent fractures and reduce healthcare costs.

Related Experiment Videos

Area of Science:

  • Gerontology
  • Public Health
  • Pharmacology

Background:

  • Chronic diseases, including osteoporosis, represent a significant burden on Western healthcare systems due to prevalence and escalating costs.
  • Osteoporotic fractures are a leading cause of disability and a major contributor to healthcare expenditures globally, exacerbated by an aging population.
  • Effective pharmacological treatments for osteoporosis exist but necessitate long-term patient adherence for sustained efficacy.

Purpose of the Study:

  • To highlight the critical issue of poor medication adherence in osteoporosis treatment.
  • To underscore the link between non-adherence, increased fracture risk, hospitalization, and associated healthcare costs.
  • To emphasize the need for individualized strategies to improve patient adherence, involving physicians, particularly General Practitioners (GPs).

Main Methods:

  • Review of existing data on osteoporosis medication adherence rates.
  • Analysis of the consequences of non-adherence, including fracture incidence and healthcare utilization.
  • Discussion of factors influencing patient adherence and potential strategies for improvement.

Main Results:

  • High rates of non-adherence are observed, with a significant percentage of patients discontinuing bisphosphonates (BPs) within one year of daily or weekly treatment.
  • Poor adherence to osteoporosis medications is associated with a higher likelihood of fractures, leading to increased hospitalizations and healthcare costs.
  • Individual patient beliefs and circumstances significantly influence adherence, necessitating personalized intervention strategies.

Conclusions:

  • Improving long-term adherence to osteoporosis medications is essential for preventing fractures and managing healthcare costs.
  • Physicians, especially GPs, play a pivotal role in enhancing patient adherence through tailored strategies.
  • Emerging new drugs and innovative administration routes may offer future opportunities to support adherence initiatives.