Skip to main content
main-content

01.06.2015 | Original Article | Ausgabe 6/2015

Osteoporosis International 6/2015

Peripheral quantitative computed tomography (pQCT) reveals low bone mineral density in adolescents with motor difficulties

Zeitschrift:
Osteoporosis International > Ausgabe 6/2015
Autoren:
B. Hands, P. Chivers, F. McIntyre, F. C. Bervenotti, T. Blee, B. Beeson, F. Bettenay, A. Siafarikas

Abstract

Summary

This is the first reported study to describe local bone mineral density, assess parameters of fracture risk and report history of fractures in adolescents with motor difficulties. Motor difficulties evidenced by poor coordination in adolescence should be considered a new risk factor for below-average bone strength and structure and fracture risk.

Introduction

Adolescents with motor difficulties are characterised by poor coordination and low levels of physical activity and fitness. It is possible these deficits translate into below-average bone strength and structure. The objectives of this study were to describe local bone mineral density (BMD), assess parameters of fracture risk (stress–strain index, SSI) and report history of fractures in this group.

Methods

Thirty-three adolescents (13 females), mean age of 14.3 (SD = 1.5) years, with motor difficulties underwent peripheral quantitative computed tomography (pQCT) measurements at proximal (66 %) and distal (4 %) sites of the non-dominant radius (R4 and R66) and tibia (T4 and T66). One sample t test was used to compare Z-scores for total BMD, trabecular density, cortical density and stress strain index (SSI) against standardized norms.

Results

Significant differences were present at R4 total density mean Z-score = −0.85 (SD = 0.7, p < 0.001), R66 cortical density mean Z-score = −0.74 (SD = 1.97, p = 0.038), R66 SSI mean Z-score = −1.00 (SD = 1.08, p < 0.001) and T66 SSI mean Z-score = −0.70 (SD = 1.15, p < 0.001). There was a higher incidence of fractures (26.9 %) compared to the normal population (3–9 %).

Conclusions

Motor difficulties in adolescence should be considered a risk factor for below-average bone strength and structure and fracture risk. Strategies are needed to improve bone health in this high-risk-group.

Bitte loggen Sie sich ein, um Zugang zu diesem Inhalt zu erhalten

★ PREMIUM-INHALT
e.Med Interdisziplinär

Mit e.Med Interdisziplinär erhalten Sie Zugang zu allen CME-Fortbildungen und Fachzeitschriften auf SpringerMedizin.de. Zusätzlich können Sie eine Zeitschrift Ihrer Wahl in gedruckter Form beziehen – ohne Aufpreis.

Literatur
Über diesen Artikel

Weitere Artikel der Ausgabe 6/2015

Osteoporosis International 6/2015 Zur Ausgabe

Neu im Fachgebiet Orthopädie und Unfallchirurgie

Mail Icon II Newsletter

Bestellen Sie unseren kostenlosen Newsletter Update Orthopädie und Unfallchirurgie und bleiben Sie gut informiert – ganz bequem per eMail.

Bildnachweise