Low Bone Mineral Density and Associated Factors in Patients with Cystic Fibrosis: A Cross-Sectional Study

Jafari Nodoushan, Abdolhamid and Golzar, Azam and Hassanzad, Maryam and Sayedi, Seyed Javad and Velayati, Aliakbar (2017) Low Bone Mineral Density and Associated Factors in Patients with Cystic Fibrosis: A Cross-Sectional Study. International Journal of Pediatrics, 5 (7). pp. 5237-5244.

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Abstract

Background: Failure to maintain bone mass density is a major complication in patients with cystic fibrosis (CF). This study was conducted to evaluate the prevalence of low bone mineral density (BMD) and also identifying associated risk factors in CF patients. Materials and Methods: Present study conducted on 59 CF patients aged 5-35 years referred to respiratory clinic of Masih Daneshvari Hospital, Tehran-Iran. BMD was measured using dual energy X-ray absorptiometry (DXA) scan. Patients were divided in two groups: cases aged 5-18 years as group A and cases over 18 years as group B. Anthropometric variables, corticosteroid usage, pulmonary function test, serum calcium, phosphate and 25-OH vitamin D were assessed and correlation of them with BMD was investigated. Results: Low BMD (Z score < -2 standard deviation) was found in 72.8 (44) of patients. There was a positive correlation between malnutrition, Forced Expiratory Volume 1 (FEV1) and BMD (r=59 and 0.47, P<0.01, respectively). Steroid therapy and Pseudomonas aeruginosa colonization correlated significantly inversely with BMD (r = -0.34 and -0.32, P<0.05). Vitamin D deficiency was found in 36.7 (18) CF patients. No significant correlation was found between 25-OH vitamin D levels and BMD (r = 0.17; P=0. 23). Conclusion: In present study, the prevalence of low BMD was about 72.8 with significant correlation with low weight, BMI (poor nutritional status), FEV1,Pseudomonas aeruginosacolonization and the use of glucocorticoids.

Item Type: Article
Subjects: WA Public Health
WS Pediatrics
Divisions: Journals > International J Pediatrics
Depositing User: IJP IJP
Date Deposited: 23 Sep 2017 12:36
Last Modified: 23 Sep 2017 12:36
URI: http://eprints.mums.ac.ir/id/eprint/2532

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