ReviewJournal of children's orthopaedics2020
Evolution of Legg-Calvé-Perthes disease following proximal femoral varus osteotomy performed in the avascular necrosis stage:a prospective study.
Review in Journal of children's orthopaedics, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
5 citing papers in PubMed, 26 citations in OpenAlex.
- [Osteotomies of the pediatric hip joint].Orthopadie (Heidelberg, Germany) · 2026Review
- Morphologic and Histologic Assessment of Porcine Model of Legg-Calvé-Perthes Disease at a Clinically Relevant Time Point.Journal of orthopaedic research : official publication of the Orthopaedic Research Society · 2025Article
- Computer-assisted design model to evaluate the outcome of combined osteotomies in Legg-Calvé-Perthes disease.Frontiers in pediatrics · 2022Article
- Repeated Pelvic Radiographs in Infants, After Harness Treatment for Developmental Dysplasia of the Hip, Carry Very Low Radiation Risk.Indian journal of orthopaedics · 2020Article
- Proximal Femoral Varus Osteotomy Performed in the Early Stage of Legg-Calvé-Perthes Disease Increases Femoral Head Revascularization: A Serial Perfusion MRI Study.JB & JS open accessArticle
Corrections and comments
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Authors and funding
5 authors at 5 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeThis prospective study was undertaken to describe patterns of fragmentation of the femoral epiphysis following a proximal femoral varus osteotomy (PFVO) done during stage I of LCPD and to assess the disease duration and outcome in each pattern.
methodsA total of 25 children treated by a PFVO in stage I of LCPD were followed until healing. The MRI Perfusion Index, radiographic changes in the femoral epiphysis, disease duration and the Sphericity Deviation Score (SDS) at healing were documented. The reproducibility of classification of the pattern of fragmentation, estimation of disease duration and SDS were assessed. The duration of the disease and SDS in the patterns of fragmentation were compared.
resultsFour patterns of fragmentation were noted, namely, typical fragmentation, bypassing fragmentation, abortive fragmentation and atypical fragmentation with horizontal fissuring. The reproducibility of classifying the pattern of fragmentation was moderate (Kappa: 0.48) while the reproducibility of other continuous variables was excellent. The Perfusion Index was less than 50% in every affected hip. The duration of the disease and SDS were lowest in children in whom the stage of fragmentation was bypassed but these differences were not statistically significant.
conclusionFollowing a proximal femoral osteotomy during stage I of LCPD the fragmentation stage may be bypassed partially or completely and the chances of a good outcome appear to be very good if fragmentation is bypassed. LEVEL OF EVIDENCE: Level II Prognostic Study.
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