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Orthopaedic Proceedings
Vol. 103-B, Issue SUPP_6 | Pages 49 - 49
1 May 2021
Gigi R Kurien B Giles S Fernandes J
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Introduction. The purpose of our study was to retrospectively analyze our patients who were treated for FH and PFFD by means of guided growth temporary Hemiepiphysiodesis. We sought to determine the effectiveness of the procedure, as well as its success rates, complications, and rebound phenomena. Materials and Methods. We retrospectively reviewed the medical records and all routine preoperative and post operative long standing radiograph of all the FH and PFFD patients that were operated in our institute using guided growth hemiepiphysiodesis technique of distal femur or proximal tibia between 2007 to 2017. Results. 42 patients (28/FH, 14/PFFD) with 55 involved physis were included in the study. The mean duration of follow-up was 51.11 ± 27.56 months after the first operation. The average age at first plate insertion was 11.7 years and 50% of patients reached puberty by the time of data collection. 32 physes (21 FH, 11 PFFD) were operated due to pathological mLDFA with a mean angle correction of 6.24° for the FH group and 6° for the PFFD group and time-to-correction of 14.07 months and 11.56 months, respectively. 23 physes (14 FH, 9 PFFD) were operated due to pathological mMPTA with a mean angle correction of 4.43° for the FH group and 6.22° for the PFFD group with time-to-correction of 17.95 months and 20.35 months respectively. 40% (12/30) of patients, whose metalwork was removed, had a recurrence of the deformity, 7/21 [33.3%] in the FH group and 5/9 [55%] in the PFFD group. All required a second hemiepiphysiodesis operation. 2. nd. rebound was recorded in 3/21 (14%) FH patients and 2/9 (22%) PFFD patients. Conclusions. Temporary hemiepiphysiodesis is an effective treatment of angular deformities around the knees of FH and PFFD patients. With low complication rate and high risk of rebound phenomenon


Orthopaedic Proceedings
Vol. 106-B, Issue SUPP_5 | Pages 22 - 22
23 Apr 2024
Laufer A Frommer A Gosheger G Toporowski G Rölfing JD Antfang C Roedl R Vogt B
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Introduction

Coronal malalignment and leg length discrepancies (LLD) are frequently associated. Temporary hemiepiphysiodesis (tHED) is commonly employed for the correction of limb malalignment in skeletally immature patients. For treatment of LLD greater than 2 cm, lengthening with intramedullary legnthening nails is a safe and reliable technique. However, the combined application of these approaches in skeletally immature patients has not yet been investigated.

Materials & Methods

Retrospective radiological and clinical analysis of 25 patients (14 females, 11 males) who underwent intramedullary femoral lengthening with an antegrade PRECICE® lengthening nail as well as tHED of the distal femur and / or proximal tibia between 2014 and 2019. tHED was conducted by implantation of flexible staples (FlexTack™) either prior (n = 11), simultaneously (n = 10), or subsequently (n = 4) to femoral lengthening. The mean follow-up period was 3.7 years (±1.4).


Orthopaedic Proceedings
Vol. 99-B, Issue SUPP_13 | Pages 12 - 12
1 Jun 2017
Patel D Howard N Nayagam S
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Background

Temporary hemiepiphysiodesis using 8 plate guided growth has gained widespread acceptance for the treatment of paediatric angular deformities. This study aims to look at outcomes of coronal lower limb deformities corrected using temporary hemiepiphysiodesis over an extended period of follow up.

Methods

A retrospective analysis was undertaken of 56 children (92 legs) with coronal plane deformities around the knee which were treated with an extraperiosteal 2 holed titanium plate and screws between 2007 and 2015. Pre and post-op long leg radiographs and clinic letters were reviewed.


Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_9 | Pages 9 - 9
1 Aug 2015
Yeo A Richards C Eastwood D
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This study aimed to define the rates of lower limb angular correction using temporary hemiepiphysiodesis in differing skeletal pathologies.

A retrospective review of 61 children (36M:25F) with angular deformities about the knee who underwent 8-plate hemiepiphysiodesis (mean age 10.8y) was undertaken. The children were divided into 9 groups based on their underlying pathology (lower limb hypoplasia, Blount's disease, skeletal dysplasia, rickets, metabolic disease, acquired growth disturbance, vascular malformation, steroid use and complex genetic disorders). Radiographic measurements of each limb segment was undertaken using the TraumaCad® digital templating software based on standing long-leg radiographs - mechanical lateral distal femoral angle (mLDFA) and mechanical medial proximal tibial angle (mMPTA). The rate of correction of each parameter was calculated as a function of the time lapse between the operation date and first radiographic evidence of full correction of the mechanical axis (zone 1).

A total of 144 limb segments (80 distal femoral, 64 proximal tibial physes) were analysed. 62.5% of children had mechanical axes outside the knee joint at the time of operation; 63.2% achieved full correction. The rate of angular correction at the distal femur (mLDFA) was quickest in those with acquired growth disturbance (1.15°/month), complex genetic disorders (1.12°/month) and rickets (0.93°/month). It was slowest in those with vascular malformation (0.40°/month), lower extremity hypoplasia (0.44°/month) and metabolic disease (0.49°/month). At the proximal tibia, mMPTA correction was quickest in those with acquired growth disturbance (0.77°/month) and skeletal dysplasia (0.57°/month); whilst being slowest in those with metabolic disease (0.22°/month) and Blount's disease (0.29°/month).

The rate of angular correction about the knee varies with the underlying pathology with correction rates varying up to 3-fold. This study demonstrated the differential rate of correction of angular deformities in children with different skeletal pathologies, which would help guide the timing of hemiepiphysiodesis.


The Bone & Joint Journal
Vol. 102-B, Issue 10 | Pages 1412 - 1418
3 Oct 2020
Ballhause TM Stiel N Breyer S Stücker R Spiro AS

Aims

Eight-plates are used to correct varus-valgus deformity (VVD) or limb-length discrepancy (LLD) in children and adolescents. It was reported that these implants might create a bony deformity within the knee joint by change of the roof angle (RA) after epiphysiodesis of the proximal tibia following a radiological assessment limited to anteroposterior (AP) radiographs. The aim of this study was to analyze the RA, complemented with lateral knee radiographs, with focus on the tibial slope (TS) and the degree of deformity correction.

Methods

A retrospective, single-centre study was conducted. The treatment group (n = 64 knees in 44 patients) was subclassified according to the implant location in two groups: 1) medial hemiepiphysiodesis; and 2) lateral hemiepiphysiodesis. A third control group consisted of 25 untreated knees. The limb axes and RA were measured on long standing AP leg radiographs. Lateral radiographs of 40 knees were available for TS analysis. The mean age of the patients was 10.6 years (4 to 15) in the treatment group and 8.4 years (4 to 14) in the control group. Implants were removed after a mean 1.2 years (0.5 to 3).


The Bone & Joint Journal
Vol. 98-B, Issue 9 | Pages 1270 - 1275
1 Sep 2016
Park S Kang S Kim JY

Aims

Our aim was to investigate the predictive factors for the development of a rebound phenomenon after temporary hemiepiphysiodesis in children with genu valgum.

Patients and Methods

We studied 37 limbs with idiopathic genu valgum who were treated with hemiepiphyseal stapling, and with more than six months remaining growth at removal of the staples. All children were followed until skeletal maturity or for more than two years after removal of the staples.


The Bone & Joint Journal
Vol. 97-B, Issue 6 | Pages 862 - 868
1 Jun 2015
Corominas-Frances L Sanpera I Saus-Sarrias C Tejada-Gavela S Sanpera-Iglesias J Frontera-Juan G

Rebound growth after hemiepiphysiodesis may be a normal event, but little is known about its causes, incidence or factors related to its intensity. The aim of this study was to evaluate rebound growth under controlled experimental conditions.

A total of 22 six-week-old rabbits underwent a medial proximal tibial hemiepiphysiodesis using a two-hole plate and screws. Temporal growth plate arrest was maintained for three weeks, and animals were killed at intervals ranging between three days and three weeks after removal of the device. The radiological angulation of the proximal tibia was studied at weekly intervals during and after hemiepiphysiodesis. A histological study of the retrieved proximal physis of the tibia was performed.

The mean angulation achieved at three weeks was 34.7° (standard deviation (sd) 3.4), and this remained unchanged for the study period of up to two weeks. By three weeks after removal of the implant the mean angulation had dropped to 28.2° (sd 1.8) (p < 0.001). Histologically, widening of the medial side was noted during the first two weeks. By three weeks this widening had substantially disappeared and the normal columnar structure was virtually re-established.

In our rabbit model, rebound was an event of variable incidence and intensity and, when present, did not appear immediately after restoration of growth, but took some time to appear.

Cite this article: Bone Joint J 2015;97-B:862–8.


Bone & Joint 360
Vol. 12, Issue 6 | Pages 24 - 27
1 Dec 2023

The December 2023 Foot & Ankle Roundup. 360. looks at: Subchondral bone cysts remodel after correction of varus deformity in ankle arthritis; 3D-printed modular endoprosthesis reconstruction following total calcanectomy; Percutaneous partial bone excision in the management of diabetic toe osteomyelitis; Hemiepiphysiodesis is a viable surgical option for Juvenile hallux valgus; Ankle arthroplasty vs arthrodesis: which comes out on top?; Patient-related risk factors for poorer outcome following total ankle arthroplasty; The Outcomes in Ankle Replacement Study


Bone & Joint 360
Vol. 12, Issue 6 | Pages 42 - 45
1 Dec 2023

The December 2023 Children’s orthopaedics Roundup360 looks at: A comprehensive nonoperative treatment protocol for developmental dysplasia of the hip in infants; How common are refractures in childhood?; Femoral nailing for paediatric femoral shaft fracture in children aged eight to ten years; Who benefits from allowing the physis to grow in slipped capital femoral epiphysis?; Paediatric patients with an extremity bone tumour: a secondary analysis of the PARITY trial data; Split tibial tendon transfers in cerebral palsy equinovarus foot deformities; Liposomal bupivacaine nerve block: an answer to opioid use?; Correction with distal femoral transphyseal screws in hemiepiphysiodesis for coronal-plane knee deformity.


The Journal of Bone & Joint Surgery British Volume
Vol. 87-B, Issue 10 | Pages 1380 - 1384
1 Oct 2005
Leung YL Buxton N

A combination of hemivertebrae and diastematomyelia is rare. We have identified 12 such patients seen during a period of 11 years in the orthopaedic, spinal and neurosurgical units in Nottingham and analysed their treatment and outcome.