Sergey S. Leonchuk

Sergey S. Leonchuk
Ilizarov’s Traumatology and Orthopaedics | RSCRTO · 6th orthopaedic department

MD, PhD

About

48
Publications
9,900
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78
Citations
Citations since 2017
33 Research Items
76 Citations
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Introduction
- pediatric and adults orthopedics - external fixators - limb lengthening and deformity correction by Ilizarov or by temporary epiphyseal arrest - foot pathology - multilevel orthopedic surgery in patients with neuro-orthopedic pathology - hip reconstruction - trauma of foot and ankle joint, etc.

Publications

Publications (48)
Conference Paper
Full-text available
Question: Despite numerous advantages in fracture reduction and correction of multi-planar deformities, hexapod frame instability due to strut joints free play, more evident in the latency and consolidation periods, is well-known limitation. The purpose of this biomechanical study was to analyse whether the type o the universal joint utilized in st...
Article
Full-text available
The aim of this study was to examine the effectiveness of Ilizarov method in severe congenital flexion deformity of the knee. This was a retrospective study of eight consecutive bilateral cases (five girls and three boys, with mean age of 4 years, involving 16 knees) with minimum 2-year follow-up. Four patients had multiple congenital contractures...
Article
External fixation is used for the correction of select foot and ankle deformities. We have found the traditional forefoot crossing wire technique to be insufficient in terms of both individual metatarsal control and forefoot manipulation when using a dynamic ring fixator to correct forefoot deformities. We developed a forefoot fixation technique at...
Article
Full-text available
BACKGROUND Cleft foot is a very rare congenital anomaly, which is characterized by central rays deficiency of the foot. It is also known as split foot or ectrodactyly of the foot, and it is very often combined with splitting of the hands. The defect develops due to insufficient activity of the median apical ectodermal ridge, which leads to an incre...
Article
Aims Infected and deformed neuropathic feet and ankles are serious challenges for surgical management. In this study we present our experience in performing ankle arthrodesis in a closed manner, without surgical preparation of the joint surfaces by cartilaginous debridement, but instead using an Ilizarov ring fixator (IRF) for deformity correction...
Article
Full-text available
Introduction. Recurrent clubfoot deformity may be due to either an imperfect initial correction, or a natural history of a severe disease. In the later, idiopathic clubfoot is uncommon. In the review we describe reconstructive surgery in recurrent deformity of idiopathic clubfoot. Material and methods. Surgery may be justified at different age and...
Article
Full-text available
Purpose. Tibia hemimelia is a congenital disease characterized by partial or complete absence of the fibula, shortening and deformity of the limb, hypoplasia and deformity of the foot. There is controversial opinion that with a deficit of the fibula deficiency of the lateral part of foot should be found. Purpose of the study is to analyze x-ray cha...
Article
Full-text available
Congenital knee dislocation (CKD) is a deformity in which unnatural hyperextension is possible at the knee much beyond the normal 0° full extension while the flexion is severely restricted. Incidence of this rare congenital malformation is 1/100,000 live births. We present a clinical case of unilateral CKD in a 2-week-old female child and our appro...
Article
Full-text available
Background. Currently, limb lengthening is a widespread operation used in clinical and cosmetic practice. However, in the process of implementing this technology, its main drawbacks were revealed: the duration of treatment and the slowing down of the process of osteogenesis in the elongation zone. Rapid distraction in the external fixator or with a...
Article
Purpose: The purpose of this study was to bring to the attention of orthopedic surgeon community of our new technique of quadruple hamstrings graft in neglected Achilles tendon rupture. Materials and Methods: In this technique article we present results of treatment of 3 cases with neglected painful chronic Achilles tendon rupture with no palpabl...
Article
Full-text available
We report a clinical case of a 27-year-old patient with posttraumatic painful ankle arthritis following sport injury treated with combined methods. The patient underwent ankle distraction arthroplasty with original Ilizarov apparatus and arthroscopic diagnosis and treatment of the ankle injury followed by the joint unloading and exercise therapy wi...
Article
The aim of the study is to analyze the long-term results of the subtalar arthroereisis of the feet according to Grice in children with flexible symptomatic planovalgus foot deformity. Methods 29 children (58 feet) were treated with symptomatic flexible planovalgus foot deformity. Results The average value of AOFAS increased from 63 (51–84) to 92...
Article
Resumen El tratamiento actual de un pie zambo, o equino varo, idiopático es esencialmente conservador: una sucesión de escayolas de corrección seguidas de férulas según Ponseti o fisioterapia intensa y férulas apropiadas. En el primer método, ampliamente utilizado en todo el mundo, cuando la flexión dorsal del tobillo no llega a los 10° se propone...
Technical Report
Full-text available
Which classification system to follow while managing congenital knee dislocation.
Technical Report
Full-text available
Congenital knee dislocation (CKD) was first reported by a Swiss physician Chatelaine, in the year 1822, but even after the passage of two centuries, the exact treatment protocol is still debatable. CKD is a hyperextension deformity of the knee with anterior tibia displacement, present at birth. It may be idiopathic or syndromic (Larsen’s syndrome,...
Article
Full-text available
Psychic condition of 94 children who received consultation of clinical psychologist and psychiatrist during the treatment of musculoskeletal disorders (MSD) at the Ilizarov Center was analyzed in this article. The main causes of the for-mation of psychic disorders in children with pathology of MSD were identified, and comprehensive approach to thei...
Chapter
Cerebral palsy presents stable encephalopathy that systemically influences on the child’s and adult’s organism. Orthopedic complications of cerebral palsy possess on the contrary progressive features and those complications cause gradual failure of motor ability of a person: impaired walking, loss of postural ability, reduced self-care and inclusio...
Article
The surgical treatment of a 17-year-old patient with posttraumatic complex and rigid foot deformity by the transosseous osteosynthesis method by Ilizarov (original frame) is presented in the article. Previously, the patient incurred a fracture of the left tibia. He was treated by open reduction and internal fixation with a plate in the private clin...
Technical Report
Full-text available
Till now no single scheme of surgical treatment has gained wide acceptance in rupture of extensor pollicis longus tendon (EPL). The result of treatment of a patient with spontaneous rupture of EPL in IV zone by B.Boichev with ultrasonographic examination is presented in the paper. In surgical treatment we used Pulvertaft technique in transfer of te...
Article
Full-text available
Introduction. Simultaneous correction of severe deformities of the feet may be accompanied by a negative effect on the trophism of the adjacent soft tissues. However, the literature does not pay enough attention to the analysis of the blood supply to soft-tissue structures in the field of surgical intervention in the correction of complex deformiti...
Article
La prise en charge actuelle d’un pied bot varus équin idiopathique est essentiellement conservatrice: succession de plâtres correcteurs suivis d’attelles selon Ponseti, ou physiothérapie intense et attelles appropriées. Dans la première méthode, qui est largement utilisée dans le monde, une ténotomie d’Achille est proposée vers l’âge de 6 semaines...
Conference Paper
Full-text available
The authors made the analysis of the long-term results of subtalar arthoereisis according to Grice in 29 children with flexible planovalgus feet deformity. All children underwent bilateral subtalar arthoereisis using a fibular graft and its fixation with K-wire. The following results were obtained by AOFAS scale: excellent in 4children (13.8%), goo...
Article
Full-text available
Tarsal coalition is a pathological congenital condition in which a connection occurs between two or more bones of tarsus. This disorder is quite difficult to diagnose, especially for an unexperienced specialist. We present a clinical observation of an incomplete osseous calcaneonavicular coalition in a 12-year-old child who underwent a comprehensiv...
Article
Full-text available
The aim of the study is to evaluate the efficiency of triple arthrodesis of foot and its effect on soft tissues blood supply at the surgical site during simultaneous correction of segment deformity in patients with cerebral palsy. Material and Methods. The present study reflects the authors’ experience of triple arthrodesis for correction and stabi...
Article
Full-text available
Purpose. To analyze and to describe actual reference lines and angles on foot and ankle to determine pathology, and to present possible surgical solutions for correction of revealed orthopedic disorders in trauma and orthopedic practice. Materials and methods. From January 2016 to November 2017, were performed X-rays of feet of 528 patients with v...
Article
Full-text available
The treatment result in a patient with a complex deformity of the feet due to neural Charcot-Marie-Tooth amyotrophy is presented in the article. A combined use of the Ilizarov transosseous osteosynthesis method and transfer of the tibialis posterior muscle tendon by anchoring to the cuboid bone allowed us to achieve a successful long-term result of...
Article
Full-text available
Introduction The benefits of surgical treatment of orthopaedic complications in the upper limb caused by cerebral palsy have been debated by some researchers. Secondary complications developed due to muscle spasticity and retraction are a serious obstacle to a significant improvement in health-related quality of life of CP patients. Objective To ex...
Article
Full-text available
Background: The purpose of the study was to analyze and describe the complications that arose during the treatment of children aged between 7 and 17 years with congenital clubfoot in the Ilizarov Clinic using the transosseous osteosynthesis method as well as measures for their stopping and prevention. Methods: In the Ilizarov clinic between 2005 an...
Article
Full-text available
Surgical treatment of patients with acute ankle trauma by transosseous osteosynthesis method was presented in the article. Malleolar fracture, injury of tibiofibular syndesmosis, subluxation in ankle joint and dislocation of foot were observed in our cases. Fracture of malleolus was described according to AO/OTA fracture classification in each case...
Article
Full-text available
Femur lengthening for correction of limb length discrepancy in a child with neurological defect (hemiparesis) was showed in the paper. In this case we used distraction osteosynthesis method by Ilizarov (external fixator) with elastic stable intramedullary nailing (ESIN) method. Lengthening rate was 0.95 mm/day (total 3.5 cm), healing index was 34 d...
Article
Full-text available
Abstract. Purpose of the study: In this study assessment of treatment results of old age children (13 – 18 years) with congenital recurrent clubfoot at the RISC’RTO’ by the method of transosseous osteosynthesis was done. Materials and methods: In our clinic from 2004 to 2016 65 children (77 feet) aged 13-18 (mean age was 14,6 years) with congenital...
Article
Full-text available
Introduction. Hip dislocation is one of the most severe orthopedic complications among the problems in patients above 10 years of age with severe forms of cerebral palsy (CP), when reconstructive intervention is impossible. The purposes of palliative surgical orthopedic treatment in patients of this category consist in elimination or reduction of t...
Conference Paper
Full-text available
The authors analyzed the effectiveness of correction of limb length discrepancy (LLD) in patients with spastic hemiparesis (CP) using the technique of distraction osteogenesis or temporary extraphyseal epiphyseodesis of the contralateral limb. When the child grows they recommend to use the little-invasive and non-aggressive technique of temporary e...
Article
Full-text available
The authors presented a clinical case of correcting the feet planovalgus deformity by lateral column lengthening in an 11-year-old child with cerebral palsy (CP) within performing the acute multilevel orthopedic intervention. The performed treatment resulted in complete correction of the feet deformity, elimination of the joint contractures, weight...
Article
Full-text available
Background: Single-event multilevel orthopedic surgery is a modern approach in the operative treatment of children with cerebral palsy. Methods: Single-event multilevel orthopedic surgery was carried out in 108 patients with cerebral palsy. Patients’ average age was 11.3±1.7 years. Surgical results were analyzed at follow-up after 18 to 24 months,...
Article
Full-text available
Objective. To evaluate motor possibilities of patients with children spastic palsy (CSP) one year after single-event multilevel orthopedic low extremity surgeries in combination with early rehabilitation treatment including botulinum toxin treatment. Material and methods. Authors studied the results of operative orthopedic treatment in 55 patients...
Conference Paper
Full-text available
The purpose of the study. Analyze the errors and complications arising during treatment of school age children with congenital recurrent clubfoot in clinic RISC "RTO" academician G.A. Ilizarov. Materials and methods. In our clinic from 2002 to 2013 we treated 119 patients (148 feet) between the ages of 7 to 18 years with congenital recurrent clubf...
Conference Paper
Introduction. Treatment of recurrent clubfoot to date is very difficult. We think that correction of congenital recurrent clubfoot in group of school age children by G.A. Ilizarov transosseous osteosynthesis is the method of choice. The purpose of the study. Analyze the errors and complications arising during treatment of school age children with...
Article
Full-text available
The quantitative and qualitative analysis of the dinamoplantogrammes was done in 17 children at the age of 7-17 years old (21 feet) with congenital recurrent clubfoot before and after the treatment by the method of GA. Ilizarov. The average age of the surveyed children was-13,6±3,8 years. All patients were divided by the presence of the components...
Article
Full-text available
A clinical case presented on treatment of a child with congenital bilateral recurring clubfoot (Dimeglio III) using transosseous osteosynthesis method according to G.A. Ilizarov. After treatment feet deformity corrected completely, weight-bearing of both lower limbs recovered.
Article
Full-text available
Objective. To analyze the errors and complications of treatment of school age children with congenital recurrent clubfoot, treated in RISC «RTO» by transosseous osteosyntesis. Material and methods. Within the period of 1999-2010 119 patients (148 feet) between the ages of 7 to 18 years with congenital recurrent clubfoot were treated by the Ilizarov...
Conference Paper
Full-text available
Введение. Для фиксации конечности пациента травматолого-ортопедического профиля используются различные по модификации (корсет, лонгета, тутор и др.) и составу (гипс, целлокаст, турбокаст и др.) иммобилизационные повязки. Использование повязок может проводиться для фиксации достигнутого результата как после оперативного вмешательства по поводу ортоп...
Conference Paper
The experience of low-temperature thermoplastic material use for limb immobilization in orthopedic patients is described in the work. It has been shown that the use of low-temperature thermoplastic material as a method of express-immobilization of the upper and lower limbs after the Ilizarov fixator dismounting contributes to the maintenance of tre...
Article
Full-text available
The results of treatment of 53 primary school age children (7-11 years old) with congenital recurrent clubfoot, treated in RISC «RTO» clinic within the period of 1999-2010 by transosseous osteosynthesis method, have been analyzed. Long-term results have been followed in 39 (73.6%) patients, good results of treatment were observed in 66.7% of cases.

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Projects

Projects (3)
Project
Equalization of LLD by lengthening of bone or by epiphysiodesis of contralateral extremity
Project
to achieve desired results and reduce possibility of recurrence of foot deformity