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Inhaled corticosteroids increase risk of
osteoporosis
Title:Inhaled corticosteroid use and bone-mineral density in patients with
asthma
Author: C. Wong, et al.
Address: Nottingham, UK
Source: The Lancet 355:1399-1403 (April) 2000
Summary: Researchers studied the dose-response relation between
cumulative inhaled corticosteroid dose and bone-mineral density at the lumbar
spine and proximal femur in 196 adults (119 women) with asthma. Patients had
taken an inhaled corticosteroid regularly for at least 6 months, and had had
limited exposure to systemic steroids. Median duration of inhaled corticosteroid
treatment was 6 years and median cumulative dose was 876mg. There was a negative
association between cumulative dose of inhaled corticosteroid and bone-mineral
density at the lumbar spine, femoral neck, Ward's triangle, and trochanter, both
before and after adjustment for the effects of age and sex. A doubling in dose of
inhaled corticosteroid was associated with a decrease in bone-mineral density at
the lumbar spine. Similar decreases were found at the femoral neck, WardÕs
triangle, and trochanter. Researchers concluded that there is a negative relation
between total cumulative dose of inhaled corticosteroid and bone-mineral density
in patients with asthma. The benefits have to be weighed against the risks, and
inhaled corticosteroids are clearly highly effective in the control of asthma and
reducing the need for oral corticosteroids.
Comment: Long-term use of higher doses may be a predisposition for osteoporosis.
The lowest dose of steroids should be used that adequately controls asthma.
Densitometry and early intervention is warranted.