Corticosteroid neutrophil function

Patients with idiopathic pulmonary fibrosis (IPF) are often cigarette smokers and are often being treated with corticosteroids at the time of bronchoalveolar lavage. We addressed the question of whether or not the bronchoalveolar lavage fluid (BALF) neutrophil content of patients with IPF undergoes changes in smokers different from those in nonsmokers after institution of corticosteroids. Eighteen patients were studied (10 smokers and 8 nonsmokers). Fourteen patients (6 smokers and 8 nonsmokers) were treated orally with prednisone. The histologic assessment of alveolar inflammation and inflammatory small airways disease was no different in smokers than in nonsmokers. None of the smokers treated with prednisone had pathologic evidence of emphysema in addition to IPF. Five of 6 smokers showed an increase in BALF neutrophils after 3 months of prednisone (p less than ), whereas the nonsmokers' BALF neutrophils decreased or remained unchanged. This increase in BALF neutrophils in smokers was not associated with concomitant or subsequent clinical deterioration but, in fact, with clinical improvement after 3 months of therapy. These data indicate that the combination of cigarette smoking and corticosteroid therapy influences the BALF neutrophil content in patients with IPF and suggest that interval changes in BALF neutrophil content may not reflect the status of the inflammatory process or structural derangements in the lungs of some patients with IPF.

Geriatric Use : Clinical studies of prednisolone sodium phosphate , USP, oral solution did not include sufficient numbers of subjects aged 65 and over to determine whether they respond differently from younger subjects. Other reported clinical experience with prednisolone sodium phosphate has not identified differences in responses between the elderly and younger patients. However, the incidence of corticosteroid-induced side effects may be increased in geriatric patients and appear to be dose-related. Osteoporosis is the most frequently encountered complication , which occurs at a higher incidence rate in corticosteroid-treated geriatric patients as compared to younger populations and in age-matched controls. Losses of bone mineral density appear to be greatest early on in the course of treatment and may recover over time after steroid withdrawal or use of lower doses (., ≤5 mg/day). Prednisolone doses of mg/day or higher have been associated with an increased relative risk of both vertebral and nonvertebral fractures, even in the presence of higher bone density compared to patients with involutional osteoporosis.

Corticosteroid neutrophil function

corticosteroid neutrophil function

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