Karsten Ridderbusch

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BACKGROUND AND PURPOSE Growth modulation with a medial malleolar screw is used to correct ankle valgus deformity in children with a wide spectrum of underlying etiologies. It is unclear whether the etiology of the deformity affects the angular correction rate with this procedure. PATIENTS AND METHODS 79 children (20 girls) with ankle valgus deformity had(More)
BACKGROUND AND PURPOSE For the treatment of leg-length discrepancies (LLDs) of between 2 and 5 cm in adolescent patients, several epiphyseodesis options exist and various complications have been reported. We reviewed the 8- to 15-year outcome after temporary epiphyseodesis in patients with LLD. PATIENTS AND METHODS 34 children with LLD of up to 5 cm were(More)
BACKGROUND Temporary screw epiphysiodesis of the distal tibia is employed to correct ankle valgus deformity in patients with a wide spectrum of underlying etiologies. For patients with hereditary multiple exostosis it is unclear whether a rebound phenomenon may play a role after screw removal (SR) and successful management of ankle valgus deformity. (More)
Open Access This article is distributed under the terms of the Creative Commons Attribution Noncommercial License which permits any noncommercial use, distribution, and reproduction in any medium, provided the source is credited. DOI 10.3109/17453674.2014.960646 Background and purpose — For the treatment of leg-length discrepancies (LLDs) of between 2 and 5(More)
BACKGROUND The aim of this study was to evaluate the outcome at skeletal maturity of combined pelvic and femoral varus osteotomies in children with Legg-Calvé-Perthes (LCP) disease. METHODS From January 1998 to December 2009, 69 patients with LCP disease underwent combined osteotomies at our institution. Fifty-two children (19 girls and 33 boys) met the(More)
Background. The aim of this study was to examine clinical and radiographic healing after rhBMP-2 application in children and adolescents presenting with nonunion of the femur and to investigate the safety of rhBMP-2 use in these cases. Materials and Methods. We reviewed the medical records of five patients with a mean age of 11 years (5.4 to 16.2) with(More)
OBJECTIVE The treatment of severe spinal deformities in pediatric patients is very challenging. Posterior only vertebral column resection (PVCR) allows for correcting of severe deformities of the vertebral column via a posterior only procedure. We analyzed radiologic outcome of PVCR performed on a series of pediatric patients with severe congenital and(More)
Konventionelle Operationstechniken zur Korrektur einer Skoliose führen zumeist zu einer Fusion der instrumentierten Wirbelsäulensegmente. Äußerst kritisch ist dieses bei Kindern mit signifikantem Restwachstum zu beurteilen, da es konsekutiv zu einem dysproportionierten Körperwachstum mit hypoplastischem Thorax und assoziierter Begleitmorbidität kommt.(More)
Die multiple hereditäre Exostosenerkrankung (MHE) wird autosomal-dominant vererbt und tritt mit einer Inzidenz von etwa 1:50.000 auf. Die routinemäßige Resektion asymptomatischer Exostosen ist unnötig. Durch einzelne Exostosen verursachte lokale Probleme, Irritationen benachbarter Gefäße und Nerven, assoziierte Wachstumsstörungen und Deformitäten sowie ein(More)
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