- Cerebral Palsy and Movement Disorders
- Orthopedic Surgery and Rehabilitation
- Bone fractures and treatments
- Spinal Fractures and Fixation Techniques
- Foot and Ankle Surgery
- Spine and Intervertebral Disc Pathology
- Elbow and Forearm Trauma Treatment
- Scoliosis diagnosis and treatment
- Hip disorders and treatments
- Lower Extremity Biomechanics and Pathologies
- Sports injuries and prevention
- Neurogenetic and Muscular Disorders Research
- Botulinum Toxin and Related Neurological Disorders
- Shoulder Injury and Treatment
- Knee injuries and reconstruction techniques
- Tendon Structure and Treatment
- Total Knee Arthroplasty Outcomes
- Orthopaedic implants and arthroplasty
- Diabetic Foot Ulcer Assessment and Management
- Hip and Femur Fractures
- Cervical and Thoracic Myelopathy
- Spinal Dysraphism and Malformations
- Sarcoma Diagnosis and Treatment
- Nerve Injury and Rehabilitation
- Pelvic and Acetabular Injuries
Severance Hospital
2005-2025
Yonsei University
2010-2025
University of Ulsan
2018-2021
Asan Medical Center
2018-2021
Ulsan College
2018-2021
Children's Hospital of Philadelphia
2021
Dongguk University Ilsan Hospital
2021
Clinical Orthopaedics and Related Research
2021
Gangnam Severance Hospital
2021
Inje University Haeundae Paik Hospital
2010-2017
We describe our experience with the 'four-in-one' procedure for habitual dislocation of patella in five children (six knees). All patients presented severe generalised ligamentous laxity and aplasia trochlear groove. had a lateral release, proximal 'tube' realignment patella, semitendinosus tenodesis transfer patellar tendon. The mean age at time operation was 6.1 years (4.9 to 6.9), were followed up 54.5 months (31 66). clinical results evaluated using Kujala score. There has been no...
Background: To date, no studies have evaluated the longevity of calcaneal lengthening osteotomy (CLO) in patients with cerebral palsy (CP) and pes planovalgus. This study aimed to explore changes foot alignment following CLO CP, utilizing both radiographic evaluations dynamic foot-pressure assessments. Methods: A retrospective 282 feet 180 ambulatory was performed. The mean patient age at surgical procedure 8.9 ± 2.6 years. follow-up period 8.0 4.3 years, final 16.9 4.4 Weight-bearing...
A 24-item early-onset scoliosis questionnaire (EOSQ-24) has been developed as a valid tool for assessing the physical and emotional function of patients with (EOS). Previous studies that conducted transcultural adaptation original EOSQ-24 into other languages have demonstrated high reliability questionnaire. However, Korean version is not available, limiting optimal patient assessment in this nation. Therefore, study was to develop validate EOSQ-24. The English cross-culturally adapted...
Aims It remains unclear which factors influence overgrowth of the tibia, resulting from metaphyseal hole created during anterior cruciate ligament (ACL) reconstruction in skeletally immature patients. This study aimed to investigate effects growth stimulation by creating a rabbit model, based on its distance physis and type interposition material. Methods In Experiment 1, 38 male New Zealand white rabbits were randomized into one four groups: at 5, 10, or 15 mm distal left proximal tibia...
Calcaneal lengthening osteotomy and extra-articular arthrodesis of the subtalar joint are two methods used for correction valgus deformity heel forefoot abduction. The purpose this study was to compare operative results these procedures in patients with cerebral palsy who were able walk. We focused primarily on changes radiographic parameters how altered mobility by would modify pressure distribution over plantar surface foot.A total eighty-one feet forty-seven included study. mean age at...
The aims of this study were to review our cases missed Monteggia fracture treated by open reduction the radial head with or without ulnar osteotomy and investigate indications for alone in surgical treatment fracture.We retrospectively reviewed 22 patients who presented fracture. patients' mean age at time surgery was 7.6 years. interval from injury 16.1 months. procedure consisted radiocapitellar joint followed reconstruction annular ligament. period follow-up 3.8 Radiographic assessment...
There are no reports of the pressure changes across foot after extraarticular subtalar arthrodesis for a planovalgus deformity in cerebral palsy. This paper reviews our results using cannulated screw and cancellous bone graft.Fifty feet 30 patients with spastic diplegia were included. The mean age at time surgery was 9 years, follow-up period 3 years. radiographic, gait, dynamic investigated.All showed union recurrence deformity. Correction abduction forefoot, subluxation talonavicular...
Abstract Tibial tubercle avulsion fracture caused by knee extensor is very rare; furthermore, non-traumatic fractures during running or bilateral have been reported. The purpose of this study was to evaluate any differences according the mechanisms injury in adolescents with tibial fracture. Thirty patients were reviewed and average age 13 years 1 month. Seven (low-stress group) had a spontaneous without definite trauma. Twenty-three (high-stress experienced pain jumping landing, injury,...
Displaced medial humeral epicondyle fractures with or without elbow dislocation have been treated open reduction and fixation using K-wires screws. The purpose of this study is to evaluate the clinical radiological outcomes surgical treatments fracture according methods.Thirty-one patients who had undergone displaced were included. Group I consisted 21 underwent K-wires, II comprised 10 cannulated Immediate postoperative, final follow- up normal anteroposterior radiographs compared outcome...
To evaluate overgrowth after internal fixation for pediatric femur fracture and to identify any factors related with in terms of type method.Retrospective comparative study.Multicenter, children's hospital general hospital.Eighty-seven children between 4 10 years age were included. Length-stable was noted 49 children, length-unstable found 38 children.Thirty-six treated by minimal invasive plate osteosynthesis (MIPO), elastic stable intramedullary nail (ESIN) used 51 children.The degree...
Background: There is a lack of information about the effects untreated solitary osteochondroma (SO) on longitudinal growth lower extremities in children and adolescents. This study aimed to assess coronal alignment length extremity patients with SO around knee identify factors related development deformities. Methods: We retrospectively reviewed 111 diagnosed knee. The were classified into 2 groups depending location SO: 51 distal femur 60 proximal tibia. Characteristics lesions, such as...
Despite numerous attempts to correct forward head posture (FHP), definitive evidence-based screening and diagnostic methods remain elusive. This study proposes a preliminary methodology for FHP, utilizing noninvasive body angle measurement system as test FHP incorporating radiological parameters sagittal alignment. We enrolled 145 adolescents screening. The neck tilt (FNTA), defined the between vertical line connecting participant’s acromion tragus, was measured using POM-Checker (a depth...
The surgical treatment of calcaneal deformity in patients with myelomeningocele has not been uniformly successful correcting the and preventing recurrence. purpose present study was to examine results posterior transfer anterior tibial tendon concurrent procedures an attempt balance muscular forces on foot ankle obtain a plantigrade foot. We investigated whether surgery improved pressure distribution over plantar surface abnormal movements observed at knee, hip, pelvis influenced...
Background: Skeletally immature children with ankle sprain are presumed to have distal fibula fracture than ligamentous injury. The purpose of this study is determine the incidence associated occult avulsion in lateral and efficacy identifying fractures using anterior talofibular ligament view. Methods: Patients who were diagnosed fibular initial anteroposterior, lateral, mortise excluded 78 patients (below 16 y age) had been initially as included. 4 weeks' follow-up series additional view...
Phalangeal neck fractures in children are difficult to treat conservatively because of the difficulty maintaining reduction, obtaining satisfactory follow-up x-rays, and limited remodeling potential. The purpose this study was present results after using buddy taping with a short-arm splint for phalangeal fracture compare operative treatment.Thirty-seven patients below 12 years old who had were included. Nineteen underwent conservative treatment 18 fixation Kirschner wires. Clinical outcome...
Vertebral body sliding osteotomy (VBSO) is a safe, novel technique for anterior decompression in patients with multilevel cervical spondylotic myelopathy. Another advantage of VBSO may be the restoration lordosis through discectomy and fusion (ACDF) above below level. This study aimed to evaluate improvement maintenance sagittal alignment after VBSO.
Surgical treatment for neuromuscular scoliosis has evolved with pedicle screw instrumentation and the improvement of perioperative management. We aimed to review recent papers related posterior surgical correction a system scoliosis, particularly cerebral palsy muscular dystrophy, in terms indication, method, outcomes. The most remarkable change was posterior-only operation all-pedicle fixations. With this change, time, blood loss, postoperative complications decreased. Furthermore, spinal...
To investigate the etiologic factors related to refractures of upper extremity in children.Eighteen were divided into three groups according location initial fractures. They analyzed terms type refractures, fracture patterns, and existence an underlying deformity.Of nine supracondylar fractures humerus, two involved at region, other seven lateral condyle. Underlying cubitus varus was present six cases. Of condylar one had a refracture cases One varus. All but case humeral group late treated...
Background and purpose: Avascular necrosis (AVN) is one of the common complications after closed reduction hip spica cast for developmental dysplasia (DDH). Prereduction traction has been used to reduce a dislocated or decrease risk AVN, but there are conflicting results in prevention effects on AVN. The purpose this study was systematically review current literature evaluate effect prereduction preventing AVN children with DDH treated by through meta-analysis. Materials methods: A...
Background: The relationship between juvenile hallux valgus (JHV) and flatfoot has not been clearly established. aim of this study was to assess radiographic measurements in feet with JHV compared matched controls investigate whether the foot alignment is related flatfoot. Methods: We retrospectively reviewed 163 patients as defined angle greater than 20 degrees intermetatarsal 10 degrees. Patients open physes who had weight-bearing radiographs were included. Another 55 normal participants...
Sarcopenia can be associated with the disease etiologies other than degenerative processes, such as neurologic including cerebral palsy, myelomeningocele, or Duchenne muscular dystrophy, even in children. Although relationship between and scoliosis ambulatory function is known, mediators affecting gait these patients are unclear, an example might sarcopenia. This study aimed to assess degree of sarcopenia young diseases using computed tomography (CT), analyze correlation function.Pediatric...
Although there have been advancements of surgical techniques to correct gait abnormalities seen in patients with cerebral palsy, the crouch remains one most difficult problems treat. The purpose this retrospective study was examine our results distal femoral shortening osteotomy (DFSO) and patellar tendon advancement (PTA), performed associated severe knee flexion contracture. A total 33 a mean fixed contracture 38° were included study. age at time surgery 12.2 years follow-up 26.9 months....