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Osteoporosis in steroid-dependent asthma

M S Villareal1, W B Klaustermeyer, T J Hahn

  • 1West Los Angeles Veterans Affairs Medical Center, UCLA School of Medicine, California, USA.

Annals of Allergy, Asthma & Immunology : Official Publication of the American College of Allergy, Asthma, & Immunology
|April 1, 1996
PubMed
Summary

Prolonged corticosteroid therapy significantly increases osteoporosis risk in male asthma patients. Bone mineral density loss, particularly in the lumbar spine, is linked to cumulative steroid dosage and duration of treatment.

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Area of Science:

  • Endocrinology
  • Pulmonology
  • Radiology

Background:

  • Prolonged corticosteroid use poses a significant risk for osteoporosis development.
  • Patients with severe asthma often require long-term corticosteroid treatment, increasing their susceptibility to steroid-induced bone complications.

Purpose of the Study:

  • To investigate the correlation between cumulative corticosteroid dosage and treatment duration with the incidence of osteoporosis.
  • To assess bone mineral density in steroid-dependent asthma patients.

Main Methods:

  • Bone mineral density was assessed using dual photon absorptiometry and lumbar spine radiographs.
  • Sixteen male patients with steroid-dependent asthma were included, excluding those with other conditions affecting bone metabolism.

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Main Results:

  • Fifty percent of patients exhibited abnormal age-matched bone mineral density.
  • Abnormal bone mineral density was more prevalent in the lumbar spine (38%) than the femoral neck (19%).
  • A cumulative prednisone dose of 5.6 grams was the lowest associated with decreased bone mineral density.

Conclusions:

  • Long-term corticosteroid therapy is a significant cause of osteoporosis in male patients with steroid-dependent asthma.
  • Bone loss rates vary across different skeletal sites during corticosteroid therapy.