Journal of Musculoskeletal Trauma

Multiple Non-contiguous Spine Fractures with Concomitant Injuries: A Case Report: Soo Uk Chae, Yeung Jin Kim, Jung Hwan Yang, Ji Wan Lee, Jae In Park; J Korean Fract Soc 2011;24(3):267-270. Published online July 31, 2011; DOI: https://doi.org/10.12671/jkfs.2011.24.3.267

Abstract PDF: Multiple non-contiguous spinal fracture is a special type of multi-level spinal injury, which is rare but most frequently occur in motor vehicle accident or a falling from a height. We report five patients of multiple non-contiguous spinal fractures. All patients underwent segmental pedicle screws fixation without fusion for preserving facet joints and minimizing blood loss and operation time. We performed necessary operation for any concomitant injuries at the same day.

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Usefulness of Kyphoplasty in Sacral Insufficiency Fracture: A Case Report: Soo Uk Chae, Yeung Jin Kim, Jung Hwan Yang, Ji Wan Lee; J Korean Fract Soc 2011;24(2):174-177. Published online April 30, 2011; DOI: https://doi.org/10.12671/jkfs.2011.24.2.174

Kyphoplasty has recently attended as a potential treatment for sacral insufficiency fracture. We report a 85-years-old female patient with osteoporotic S1 insufficiency fracture with absence of trauma history treated with kyphoplasty which has no symptom improve with conservative treatment. Kyphoplasty is an effective and useful procedure in the treatment of the sacral insufficiency fracture, additionally reviewed of the literatures.

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Pelvic Insufficiency Fracture in Severe Osteoporosis Patient
Woong Chae Na, Sang Hong Lee, Sung Jung, Hyun Woong Jang, Suenghwan Jo
Hip & Pelvis.2017; 29(2): 120. CrossRef

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The Use of Fresh Frozen Allogenic Bone Graft in the Impacted Tibial Plateau Fractures: Yeung Jin Kim, Soo Uk Chae, Jung Hwan Yang, Ji Wan Lee, Dae Han Wi, Duk Hwa Choi; J Korean Fract Soc 2010;23(1):26-33. Published online January 31, 2010; DOI: https://doi.org/10.12671/jkfs.2010.23.1.26

Abstract PDF

PURPOSE
To assess the behaviour of fresh frozen cancellous allograft used for supporting the reconstructed articular surface in impacted tibial plateau fractures.
MATERIALS AND METHODS
Between May 2004 and May 2008, 13 cases of impacted tibial plateau fracture were evaluated retrospectively. All fractures were treated with open reduction-internal fixation after restoration of the tibial plateau surface and insertion of fresh frozen cancellous allograft chips for subchondral support. Mean age was 46.6 (31~65) years. Average follow-up period was 36 (13~58) months. The radiological and clinical result for every patient was assessed according to the modified Rasmussen's system and Lysholm's knee score.
RESULTS
According to last follow-up weight bearing A-P X-ray, the fresh frozen cancellous allograft incorporated soundly in all cases and no complications such as joint depression, fracture reduction loss, angular deformity, and malunion were found. The mean time to complete bone union was postoperative 10+/-0.7 weeks. The mean range of motion was 135 (115~145) degrees. The mean Rasmussen's radiological score at last follow up was 15.3 (10 cases: excellent, 3 cases: good). The mean Lysholm's knee score at last follow up was 88.2+/-4.3.
CONCLUSION
We concluded that fresh frozen cancellous allograft in impacted tibial plateau fractures showed good results in terms of bone union and functional improvement and was considered to be a good structural supporter.

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Autograft versus allograft reconstruction of acute tibial plateau fractures: a comparative study of complications and outcome
Abolfazl Bagherifard, Hassan Ghandhari, Mahmoud Jabalameli, Mohammad Rahbar, Hosseinali Hadi, Mehdi Moayedfar, Mohammadreza Minatour Sajadi, Alireza Karimpour
European Journal of Orthopaedic Surgery & Traumatology.2017; 27(5): 665. CrossRef
Treatment of Tibial Plateau Fractures Using a Locking Plate and Minimally Invasive Percutaneous Osteosynthesis Technique
Hee-Gon Park, Dae-Hee Lee, Kyung Joon Lee
Journal of the Korean Fracture Society.2012; 25(2): 110. CrossRef

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External Fixation of Pediatric Femur Fractures: Yeung Jin Kim, Tae Kyun Kim, Hwan Deok Yang, Hyung Joon Kim, Jin Young Park, Sang Jin Eun; J Korean Fract Soc 2006;19(3):369-373. Published online July 31, 2006; DOI: https://doi.org/10.12671/jkfs.2006.19.3.369

Abstract: PURPOSE
To evaluate unilateral external fixation when applied as the standard treatment of displaced femoral shaft fractures in children.
MATERIALS AND METHODS
From 2000 through 2004, we used a unilateral external fixator (Any-fix(R)) to treat 24 femoral shaft fractures. The average age of the patients was 8.3 years (range, 5.6 to 14.8). 16 fractures were isolated, and 8 were associated with polytrauma. There were 4 open fractures. Patients were followed clinically and radiologically until healing and at 1 year.
RESULTS
Average time of external fixation was 97 days (range, 57 to 130 days). All patients regained the normal range of motion of knee joint without significant residual leg length discrepancy or growth disturbance. There were no nonunion, or rotationary deformities. There were 26 pin tract infection (total pin number: 108) (24%), all of which were resolved with antibiotics. No patient developed osteomyelitis. There were two refractures after fixator removal. There was one case of reduction loss and one of valgus deformity.
CONCLUSION
The external fixation is a useful alternative for operative management of femoral shaft fractures because of minimal invasive operation, and early mobilization in prepuberty.

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Hybrid External Fixation for Periarticular or Segmental Fractures of Tibia: Hong Jun Han, Yeung Jin Kim, Jae Myoung Kim; J Korean Soc Fract 2001;14(1):44-51. Published online January 31, 2001; DOI: https://doi.org/10.12671/jksf.2001.14.1.44

Abstract PDF: PURPOSE
To analyze the clinical outcomes of the hybrid external fixation which is more comfortable and simply appliable than Ilizarov fixator MATERIAL AND METHOD: 28-patients of periarticular or segmental tibia fracture from may 1998 to october 1999 were treated with hybrid external fixator (AnyFixÂ®)that was invented by authors. It consists of two rings at epiphysis(full or 2/3 ring), 3 or 4 rods connecting 2 rings, K-wires, half pins, and specially designed push pins and crane pins which can be used as a reduction device and fixation pins. And it was used as a definitive modality. Joint exercise was started immediately after operation and partial weight bearing was permitted 4 weeks after initial application.
RESULT
The average time of bone union was 4.7 months, articular step-off of all cases were less than 1 mm. As a complication, there was no limitation of range of motion except one case of 10Â° dorsiflexion limitation of the ankle, and 1 case of deep wound infection. Clinical assesments of knee and ankle joint showed 14 cases of excellent, 9 cases of good, 3 cases of fair in total 26 cases of proximal or distal tibia fracture except 2 infected non-union.
CONCLUSION
Hybrid external fixation is effective method for periarticular or segmental tibia fracture and it gives simple applicability, firm stability and much less discomfort.

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Mechanical Properties of External Fixator according to Its Arrangement and Structure: Hong Jun Han, Byung Chang Lee, Yeung Jin Kim, Byung Soo Jin, Gun Hyee Lee; J Korean Soc Fract 2000;13(1):38-45. Published online January 31, 2000; DOI: https://doi.org/10.12671/jksf.2000.13.1.38

Abstract PDF: PURPOSE
To obtain the accurate knowledge of the fundamental mechanical properties of the external fixator affected by variations in arrangements and structures. We used newly developed external fixator, Anyfix, universal testing machine and plastic padding bone model which had similar structural properties to human tibia. The measured performance for seven different configurations of external fixators was its ability to control the motion of the bone fragment at the fracture site. Based on a unit of applied load, the corresponding displacement measured at the fracture site was used to described the stiffness of the fixation device for each load. Three stiffness moduli can be determined as axial stiffness, anterior posterior bending stiffness and lateral bending stiffness.
RESULTS
In basic configuration, all three stiffnesses for unilateral two plane external fixator showed marked increase than those for unilateral one plane model. Axial compression stiffness and bending stiffness were increased when ring component were located far from the fracture site. In modified configuration, all three stiffnesses were increased when the number of pin was increased and small sized ring was used.
CONCLUSION
The stiffness of the external fixator can be substantially increased by using unilateral two plane, locating the ring at far portion from the fracture site, using a small sized ring and increasing the number of pins.

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