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Secondary osteoporosis

C Gennari1, G Martini, R Nuti

  • 1Institute of Medical Pathology, University of Siena, Italy.

Aging (Milan, Italy)
|November 5, 1998
PubMed
Summary
This summary is machine-generated.

Secondary osteoporosis encompasses diverse conditions with various causes, including endocrinological and iatrogenic factors like glucocorticoid use. Understanding these diverse causes is crucial for managing bone loss and preventing fractures in at-risk patients.

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Area of Science:

  • Endocrinology
  • Metabolic Bone Disease
  • Pathophysiology of Osteoporosis

Background:

  • Generalized osteoporosis is a heterogeneous condition with multiple causes and mechanisms.
  • Secondary osteoporosis is defined by identifiable causal factors other than menopause and aging.
  • This group exhibits variable bone remodeling states, including low, normal, or increased bone turnover.

Purpose of the Study:

  • To review the diverse causes and pathogenetic mechanisms of secondary osteoporosis.
  • To highlight common endocrinological and iatrogenic causes of secondary osteoporosis.
  • To discuss the impact of specific conditions on bone metabolism and fracture risk.

Main Methods:

  • Literature review of secondary osteoporosis causes.
  • Analysis of pathogenetic mechanisms in glucocorticoid-induced osteoporosis.

Related Experiment Videos

  • Examination of heparin therapy's association with bone loss.
  • Review of bone metabolism in hyperthyroidism and diabetes mellitus.
  • Inclusion of post-gastrectomy bone disease and other miscellaneous causes.

    • Main Results:

    • Glucocorticoid-induced osteoporosis is a prevalent form, causing increased bone resorption and reduced formation.
    • Heparin therapy, particularly long-term and high-dose, is linked to osteoporosis, with debated pathogenesis.
    • Hyperthyroidism accelerates bone turnover, leading to bone loss, though fracture risk may be mitigated by treatment.
    • Insulin-dependent diabetes mellitus is associated with osteopenia, but typically not high fracture rates.
    • Gastrectomy, immobilization, pregnancy, lactation, and alcohol abuse are also identified as causes of secondary osteoporosis.

    Conclusions:

    • Secondary osteoporosis arises from a wide array of conditions, necessitating tailored diagnostic and therapeutic approaches.
    • Endocrinological and iatrogenic factors, especially glucocorticoid use, are significant contributors to secondary osteoporosis.
    • Further research is needed to fully elucidate the pathogenesis of certain secondary osteoporosis types, such as heparin-induced osteoporosis.