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Osteoporosis International

Erschienen in:

01.04.2017 | Original Article

The functional muscle-bone unit in children with cerebral palsy

verfasst von: I. Duran, F. Schütz, S. Hamacher, O. Semler, C. Stark, J. Schulze, J. Rittweger, E. Schoenau

Erschienen in: Osteoporosis International | Ausgabe 7/2017

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Abstract

Summary

Our results suggest that the prevalence of bone health deficits in children with CP was overestimated, when using only age- and height-adjusted bone mineral content (BMC) and areal bone mineral density (aBMD). When applying the functional muscle-bone unit diagnostic algorithm (FMBU-A), the prevalence of positive results decreased significantly. We recommend applying the FMBU-A when assessing bone health in children with CP.

Introduction

The prevalence of bone health deficits in children with cerebral palsy (CP) might be overestimated because age- and height-adjusted reference percentiles for bone mineral content (BMC) and areal bone mineral density (aBMD) assessed by dual-energy X-ray absorptiometry (DXA) do not consider reduced muscle activity. The aim of this study was to compare the prevalence of positive DXA-based indicators for bone health deficits in children with CP to the prevalence of positive findings after applying a functional muscle-bone unit diagnostic algorithm (FMBU-A) considering reduced muscle activity.

Methods

The present study was a monocentric retrospective analysis of 297 whole body DXA scans of children with CP. The prevalence of positive results of age- and height-adjusted BMC and aBMD defined as BMC and aBMD below the P3 percentile and of the FMBU-A was calculated.

Results

In children with CP, the prevalence of positive results of age-adjusted BMC were 33.3% and of aBMD 50.8%. Height-adjusted results for BMC and aBMD were positive in 16.8 and 36.0% of cases. The prevalence of positive results applying the FMBU-A regarding BMC and aBMD were significantly (p < 0.001) lower than using age- and height-adjusted BMC and aBMD (8.8 and 14.8%).

Conclusions

Our results suggest that the prevalence of bone health deficits in children with CP was overestimated, when using age- and height-adjusted BMC and aBMD. When applying the FMBU-A, the prevalence decreased significantly. We recommend applying the FMBU-A when assessing bone health in children with CP.

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Titel: The functional muscle-bone unit in children with cerebral palsy
verfasst von: I. Duran
F. Schütz
S. Hamacher
O. Semler
C. Stark
J. Schulze
J. Rittweger
E. Schoenau
Publikationsdatum: 01.04.2017
Verlag: Springer London
Erschienen in: Osteoporosis International / Ausgabe 7/2017
Print ISSN: 0937-941X
Elektronische ISSN: 1433-2965
DOI: https://doi.org/10.1007/s00198-017-4023-2

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The functional muscle-bone unit in children with cerebral palsy

Abstract

Summary

Introduction

Methods

Results

Conclusions

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Abstract

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Introduction

Methods

Results

Conclusions

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