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Erschienen in: Journal of Children's Orthopaedics 4/2013

01.10.2013 | Original Clinical Article

Eight plate should not be used for treating leg length discrepancy

verfasst von: Henrik Lauge-Pedersen, Gunnar Hägglund

Erschienen in: Journal of Children's Orthopaedics | Ausgabe 4/2013

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Abstract

Purpose

The Blount staple has been widely used for treating angular deformities and leg length discrepancy (LLD) of the lower limbs. In recent years, the Eight plate has replaced the Blount staple for treating angular deformities in many centres. Although not described in the literature, it has been proposed that the Eight plate could also be used for treating LLD. We studied the effectiveness of the device for this indication.

Methods

Ten patients with LLD were included prospectively. Medial and lateral plates were inserted for symmetrical growth reduction and the patients were followed by radiostereometric analysis (RSA) 0, 3, 6, 9, 12, 24, 52 and 80 weeks postoperatively. The error of measurement with this technique is less than 0.05 mm.

Results

Case 1 continued to grow an average of 0.08 mm per week (6.7 mm longitudinal growth in 1.5 years) postoperatively, while Case 2 showed 0.07 mm longitudinal growth per week (5.6 mm longitudinal growth in 1.5 years). The longitudinal growth, in both children, showed only slight growth retardation throughout the follow-up period. The study was interrupted and no further subjects were included after the results indicated that only minor growth reduction had occurred in both patients.

Conclusion

The Eight plate does not significantly reduce growth when applied both medially and laterally in a symmetrical way at the proximal tibial physis.
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Metadaten
Titel
Eight plate should not be used for treating leg length discrepancy
verfasst von
Henrik Lauge-Pedersen
Gunnar Hägglund
Publikationsdatum
01.10.2013
Verlag
Springer Berlin Heidelberg
Erschienen in
Journal of Children's Orthopaedics / Ausgabe 4/2013
Print ISSN: 1863-2521
Elektronische ISSN: 1863-2548
DOI
https://doi.org/10.1007/s11832-013-0506-7

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