SOVREMENNAYA PEDIATRIYA.2016.1(73):71-74; doi10.15574/SP.2016.73.71 

Bone mineral density in children with recurrent bronchitis 

Vertegel A. A., Ovcharenko L. S.

SI «Zaporozhye Medical Academy of Postgraduate Education of Ministry of Health of Ukraine» 

Objective: To define the L1-L4 lumbar spine and hips bone mineral density (BMD) parameters in children with recurrent bronchitis (RB) through dual-energy X-ray absorptiometry (DXA). 

Materials and methods. The study involved 45 children with RB, aged 6 to 10 years, boys — 20, girls — 25. To measure used L1-L4 lumbar spine and hips bone mineral density (BMD) with the assessment Z-score. The Z-score level in the range of <-2.0 regarded as «low BMD», more than -2.0 — as «age norm BMD». 

Results of the study. Children with RB have reducing of the lumbar spine and femoral neck BMD. Among children of different sexes there was no difference in the number of low BMD in some areas (р>0.05), except for more frequent registration decreasing of the L4 lumbar spine BMD in boys than in girls (р<0.05). The average number of reduced BMD loci was higher among boys (р<0.05). Indicators DXA in 10 children who had clinically significant fracture history, characterized by a relative increase in the number of BMD reduced sites. In boys reducing of the BMD odds ratio was higher than girls in all areas of study, particularly from the L1-L4 spine. 

Conclusions. Children with RB, aged 6 to 10 years have a reduction of the L1-L4 lumbar spine and hips BMD without clinical manifestations of bone deficiency. 

Key words: children, bone, mineral density, bronchitis. 

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