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[Iatrogenic demineralizing osteopathies]

M Audran

    Presse Medicale (Paris, France : 1983)
    |February 12, 1994
    PubMed
    Summary
    This summary is machine-generated.

    Long-term corticosteroid therapy frequently causes iatrogenic osteoporosis, leading to significant bone loss and fractures. Preventive measures and monitoring bone density are crucial for managing this condition.

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    Area of Science:

    • Endocrinology and Bone Metabolism
    • Pharmacology and Drug-Induced Conditions
    • Geriatric Medicine

    Background:

    • Long-term corticosteroid use is the primary cause of iatrogenic osteoporosis, characterized by decreased bone mass and increased fracture risk.
    • Corticosteroids induce negative calcium balance, leading to hypocalcemia, secondary hyperparathyroidism, and direct detrimental effects on bone remodeling.
    • Other medications like anticonvulsants, hormone therapies, and chemotherapy agents also contribute to iatrogenic bone loss.

    Discussion:

    • Immobilization due to corticosteroid-induced myopathy or underlying conditions exacerbates bone loss, with average losses of 5% annually and up to 30% at specific sites.
    • Nearly 40% of patients on long-term corticosteroids experience fractures, highlighting the severity of this iatrogenic complication.
    • The efficacy and safety of various preventive and therapeutic agents, including calcium, vitamin D, calcitriol, and anti-estrogenic agents, remain under investigation.

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    Key Insights:

    • Iatrogenic osteoporosis from corticosteroids significantly impacts bone health, causing substantial bone mass reduction and increasing fracture incidence.
    • Understanding the mechanisms of corticosteroid-induced bone loss is essential for developing effective management strategies.
    • Bone density measurement is a valuable tool for assessing bone loss and guiding preventive or corrective interventions.

    Outlook:

    • Further research is needed to determine the long-term fracture risk reduction associated with current and emerging osteoporosis treatments.
    • Optimizing corticosteroid therapy by understanding specific drug class effects is crucial for minimizing iatrogenic osteoporosis.
    • Developing targeted therapies to counteract corticosteroid-induced bone resorption and promote bone formation is a key area for future investigation.