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ORIGINAL ARTICLE
Year : 2013  |  Volume : 54  |  Issue : 5  |  Page : 295-301

Bone mineral density among elderly patients with chronic obstructive pulmonary disease patients in India


Departments of Pulmonary Medicine, Karnataka Lingayat Education University's Jawaharlal Nehru Medical College, Belgaum, Karnataka, India

Correspondence Address:
Gajanan S Gaude
Department of Pulmonary Medicine, Karnataka Lingayat Education University's Jawaharlal Nehru Medical College, Belgaum - 590 010, Karnataka
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0300-1652.122329

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Background: Osteoporosis is one of the major extra-pulmonary manifestations of chronic obstructive pulmonary disease (COPD), which limits the physical activity. The present study was undertaken to study the bone mineral density (BMD) and osteoporosis in the elderly COPD patients. Materials and Methods: This was a cross-sectional study carried out among elderly COPD patients. After a detailed clinical history spirometry was done to stage the severity of COPD. DEXA scan of the lumbar spine was performed using bone densitometer to determine osteoporosis. Statistical analysis was based on Chi-square test. Risk factors were identified by univariate and multivariate logistic regression analysis. Results: A total of 70 elderly COPD patients were included. Fourty-six patients (65.7%) had osteoporosis and 13 (18.6%) had osteopenia. Majority of the osteoporosis patients had stage III or stage IV COPD disease (77.2%). As the severity grade of COPD increased, the risk of osteoporosis also increased. Also, with the increasing severity of COPD, BMD decreased. Patients with lower body mass index (BMI) had higher prevalence of osteoporosis (45.7%). Using multivariate regression analysis, stage IV COPD, number of acute exacerbations >3 and steroid cumulative dose >1000 mg were independent risk factors for osteoporosis in elderly COPD patients. Conclusions: The prevalence of osteoporosis was 65.7%, and 18.6% had osteopenia. Stage III and IV patients had significantly lower BMI in elderly COPD patients. High clinical suspicion and early diagnosis and treatment are required in the evaluation of osteoporosis in elderly COPD patients.


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