Prevalence of osteopenia and osteoporosis in patients with moderate to severe asthma in Western Canada.

نویسندگان

  • Pen Li
  • Laith Ghazala
  • Erin Wright
  • Jeremy Beach
  • Donald Morrish
  • Dilini Vethanayagam
چکیده

PURPOSE Steroids, inhaled and systemic, are used to treat airway inflammation in patients with asthma; however, steroids are recognized to cause a number of side effects, including osteoporosis. We evaluated the prevalence of osteopenia/osteoporosis in patients with moderate-severe asthma managed through the Edmonton Regional Severe Asthma Centre. METHODS We performed a retrospective chart review and analyzed 57 charts on patients with moderate-severe asthma followed through the specialty clinic, and recorded their bone mineral density (BMD). Steroid use was reviewed and the frequency of osteopenia/osteoporosis was compared in patients requiring continuous systemic steroids (Group 1, n=15), intermittent systemic steroids (Group 2, n=15) or inhaled steroids only (Group 3, n=27). RESULTS The mean age (mean±SD) was 50±14.8 years. Cumulative systemic steroid dose of prednisone equivalent was higher in Group 1 (12.5 mg/day) than Group 2 (3.2 mg/day) (p=0.002). The frequency of osteopenia / osteoporosis was not significantly different between patients in Group 1(67%) and Group 2 (53%, p=0.46) but was significantly greater in patients from Group 1 in comparison with Group 3 (33%, p=0.038). CONCLUSION Patients with moderate-severe asthma have a high prevalence of reduced bone density. Many patients treated with intermittent systemic steroids for exacerbations, or who were stable on inhaled steroids, had either osteopenia or osteoporosis before the age of 50. National and international osteoporosis guidelines should emphasize earlier screening for asthma patients; and increase awareness of the detrimental effects of short-term systemic steroids and inhaled steroids on BMD, especially when started at an early age and in northern climates.

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عنوان ژورنال:
  • Clinical and investigative medicine. Medecine clinique et experimentale

دوره 38 2  شماره 

صفحات  -

تاریخ انتشار 2015