Single-Stage Tibial Osteotomy for Correction of Genu Varum Deformity in Children

Conservative and operative treatments with gradual or acute correction of severe varus deformities of the leg have been described. We evaluated whether the corrective osteotomy used within the NGO Mercy Ships is an effective treatment for genu varum deformity of different etiologies in children and...

Full description

Bibliographic Details
Main Authors: Nikolas Kolbe, Frank Haydon, Johannes Kolbe, Thomas Dreher
Format: Article
Language:English
Published: MDPI AG 2023-02-01
Series:Children
Subjects:
Online Access:https://www.mdpi.com/2227-9067/10/2/377
_version_ 1827758010284376064
author Nikolas Kolbe
Frank Haydon
Johannes Kolbe
Thomas Dreher
author_facet Nikolas Kolbe
Frank Haydon
Johannes Kolbe
Thomas Dreher
author_sort Nikolas Kolbe
collection DOAJ
description Conservative and operative treatments with gradual or acute correction of severe varus deformities of the leg have been described. We evaluated whether the corrective osteotomy used within the NGO Mercy Ships is an effective treatment for genu varum deformity of different etiologies in children and which patient specific factors have an influence on the radiographic outcome. In total, 208 tibial valgisation osteotomies were performed in 124 patients between 2013 and 2017. The patients’ mean age at the time of surgery was 8.4 (2.9 to 16.9 (min/max)) years. Seven radiographically measured angles were used to assess the deformity. Clinical photographs taken pre- and postoperatively were assessed. The mean time between the surgery and the end of physiotherapeutic treatment was 13.5 (7.3 to 28) weeks. Complications were monitored and classified according to the modified Clavien–Dindo-classification system. The mean preoperative mechanical tibiofemoral angle was 42.1° varus (range: 85°–12° varus). The mean postoperative mechanical tibiofemoral angle was 4.3° varus (range: 30° varus–13° valgus). The factors predicting a residual varus deformity were higher age, greater preoperative varus deformity and the diagnosis of Blount disease. The tibiofemoral angle measured on routine clinical photographs correlated well with the radiographic measurements. The single-stage tibial osteotomy described is a simple, safe and cost-effective technique to correct three-dimensional deformities of the tibia. Our study shows very good mean postoperative results, but with a higher variability than in other studies published. Nevertheless, considering the severity of preoperative deformities and the limited opportunities for aftercare, this method is excellent for the correction of varus deformities.
first_indexed 2024-03-11T08:59:32Z
format Article
id doaj.art-0dc6c3277f6a40bc80877e0de927b2ec
institution Directory Open Access Journal
issn 2227-9067
language English
last_indexed 2024-03-11T08:59:32Z
publishDate 2023-02-01
publisher MDPI AG
record_format Article
series Children
spelling doaj.art-0dc6c3277f6a40bc80877e0de927b2ec2023-11-16T19:49:54ZengMDPI AGChildren2227-90672023-02-0110237710.3390/children10020377Single-Stage Tibial Osteotomy for Correction of Genu Varum Deformity in ChildrenNikolas Kolbe0Frank Haydon1Johannes Kolbe2Thomas Dreher3Department of Orthopedics and Traumatology, University Hospital Heidelberg, 69118 Heidelberg, GermanyOrthopedic Surgeon, NGO Mercy Ships, 1012 Lausanne, SwitzerlandOrthopedic Surgeon, NGO Mercy Ships, 1012 Lausanne, SwitzerlandHead of Pediatric Orthopedic and Trauma Surgery, Children’s University Hospital Zürich, 8032 Zürich, SwitzerlandConservative and operative treatments with gradual or acute correction of severe varus deformities of the leg have been described. We evaluated whether the corrective osteotomy used within the NGO Mercy Ships is an effective treatment for genu varum deformity of different etiologies in children and which patient specific factors have an influence on the radiographic outcome. In total, 208 tibial valgisation osteotomies were performed in 124 patients between 2013 and 2017. The patients’ mean age at the time of surgery was 8.4 (2.9 to 16.9 (min/max)) years. Seven radiographically measured angles were used to assess the deformity. Clinical photographs taken pre- and postoperatively were assessed. The mean time between the surgery and the end of physiotherapeutic treatment was 13.5 (7.3 to 28) weeks. Complications were monitored and classified according to the modified Clavien–Dindo-classification system. The mean preoperative mechanical tibiofemoral angle was 42.1° varus (range: 85°–12° varus). The mean postoperative mechanical tibiofemoral angle was 4.3° varus (range: 30° varus–13° valgus). The factors predicting a residual varus deformity were higher age, greater preoperative varus deformity and the diagnosis of Blount disease. The tibiofemoral angle measured on routine clinical photographs correlated well with the radiographic measurements. The single-stage tibial osteotomy described is a simple, safe and cost-effective technique to correct three-dimensional deformities of the tibia. Our study shows very good mean postoperative results, but with a higher variability than in other studies published. Nevertheless, considering the severity of preoperative deformities and the limited opportunities for aftercare, this method is excellent for the correction of varus deformities.https://www.mdpi.com/2227-9067/10/2/377pediatric orthopedicsgenu varumbow legtibial osteotomyBlount diseaserickets
spellingShingle Nikolas Kolbe
Frank Haydon
Johannes Kolbe
Thomas Dreher
Single-Stage Tibial Osteotomy for Correction of Genu Varum Deformity in Children
Children
pediatric orthopedics
genu varum
bow leg
tibial osteotomy
Blount disease
rickets
title Single-Stage Tibial Osteotomy for Correction of Genu Varum Deformity in Children
title_full Single-Stage Tibial Osteotomy for Correction of Genu Varum Deformity in Children
title_fullStr Single-Stage Tibial Osteotomy for Correction of Genu Varum Deformity in Children
title_full_unstemmed Single-Stage Tibial Osteotomy for Correction of Genu Varum Deformity in Children
title_short Single-Stage Tibial Osteotomy for Correction of Genu Varum Deformity in Children
title_sort single stage tibial osteotomy for correction of genu varum deformity in children
topic pediatric orthopedics
genu varum
bow leg
tibial osteotomy
Blount disease
rickets
url https://www.mdpi.com/2227-9067/10/2/377
work_keys_str_mv AT nikolaskolbe singlestagetibialosteotomyforcorrectionofgenuvarumdeformityinchildren
AT frankhaydon singlestagetibialosteotomyforcorrectionofgenuvarumdeformityinchildren
AT johanneskolbe singlestagetibialosteotomyforcorrectionofgenuvarumdeformityinchildren
AT thomasdreher singlestagetibialosteotomyforcorrectionofgenuvarumdeformityinchildren