Journal of Musculoskeletal Trauma

Sung Taek Jung

14 Articles

Traumatic Bilateral Anterior Hip Dislocation: A Case Report: Sung Taek Jung, Hyun Jong Kim, Myung Sun Kim, Young Jin Kim, Sang Kwan Cho; J Korean Fract Soc 2008;21(1):62-65. Published online January 31, 2008; DOI: https://doi.org/10.12671/jkfs.2008.21.1.62

Abstract PDF: Traumatic anterior dislocation of the hip is an uncommon injury, accounting for less than 10% of all reported cases of traumatic hip dislocation. Especially, there are no known report in our country so far. We are reporting a case of a 81 year old man who sustained bilateral anterior hip dislocation after pedestrian traffic accident, and treated by closed reduction and skeletal traction at our institute.

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Radical Necrotic Bone Resection and Ilizarov Technique for Infected Nonunion of the Tibia: Keun Bae Lee, Byung Soo Kim, Sung Taek Jung, Eun Kyoo Song, Kyung Do Kang; J Korean Fract Soc 2005;18(4):405-409. Published online October 31, 2005; DOI: https://doi.org/10.12671/jkfs.2005.18.4.405

Abstract PDF: PURPOSE
To evaluate the clinical results of radical necrotic bone resection and distraction osteogenesis for the treatment of infected nonunion of tibia using the Ilizarov technique.
MATERIALS AND METHODS
32 patients who were followed up at least 1 year after the treatment of infected nonunion of tibia from March 1995 to March 2001 were evaluated. Their mean age was 43 years and mean duration of follow-up was 37 months. The results were divided into bone results and functional results and analyzed by grading to excellent, good, fair, and poor.
RESULTS
The average amount of bone lengthening was 5.3 cm (range, 2~10 cm) and the average healing index was 61.5 days/cm (range, 52.7~70.4 days/cm). Bony union was obtained at average 10.3 months in all cases. The bone result was excellent in 9 cases, good 18, and fair 5. The functional result was excellent in 8 cases, good 16, fair 7, and poor 1 case.
CONCLUSION
Ilizarov technique is an effective method in the treatment of infected nonunion of tibia for early range of motion exercise, weight bearing and correction of limb shortening.

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Treatment of the Nonunion of Femur Shaft Fractures after Interlocking Intramedullary Nailing: Keun Bae Lee, Eun Sun Moon, Eun Kyoo Song, Jin Choi, Sung Taek Jung; J Korean Soc Fract 2002;15(4):497-503. Published online October 31, 2002; DOI: https://doi.org/10.12671/jksf.2002.15.4.497

Abstract PDF

PURPOSE
We analyzed the results of treatment for the nonunion of femur shaft fractures after interlocking intramedullary(IM) nail fixation. MATERIALS & METHODS: Thirty-three patients who underwent interlocking IM nailing due to femur shaft fractures from May, 1990 to July, 2000 and followed up for more than one year were evaluated retrospectively. Mean age at the time of operation was 40 years(Range, 19-68). 27 cases were men and 6 cases were women. By Weber and Brunner classification of the nonunion, hypervascular type were 10 cases(30%), avascular type 21cases(64%), mixed type 2 cases(6%). Infected type among the avascular type of nonunion were 5 cases(23%). Results were evaluated with bone union by treatment methods and complications.
RESULTS
According to the causes and types of nonunion, we performed IM nail exchange in seven cases, IM nail exchange and bone grafting in eleven cases, external fixation in five cases, compression plating and bone grafting in three cases, and only cancellous bone grafting in seven cases. Radiographical union was achieved in 19 weeks, 17 weeks, 20 weeks, 16 weeks and 15 weeks respectively. There 's no statistically significant difference between treatment methods. There are no cases of nonunion, malunion and infection.
CONCLUSION
The selection of appropriate treatment method by the cause and type of each nonunion is very important to achieve the bony union in the treatment for the nonunion of femur shaft fractures after interlocking intramedullary nailing.

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Results of Exchange Nailing in Hypertrophic Nonunion of Femoral Shaft Fracture Treated with Nailing
Suenghwan Jo, Gwang Chul Lee, Sang Hong Lee, Jun Young Lee, Dong Hwi Kim, Sung Hae Park, Young Min Cho
Journal of the Korean Fracture Society.2019; 32(2): 83. CrossRef

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Usefulness of Interlocking Compression Nail in Treatment of Femoral Shaft Stable Fracture: Keun Bae Lee, Sung Taek Jung, Eun Sun Moon, Eun Kyoo Song, Kwang Cheul Jeong; J Korean Soc Fract 2001;14(4):601-608. Published online October 31, 2001; DOI: https://doi.org/10.12671/jksf.2001.14.4.601

Abstract PDF: PURPOSE
The goal of our study was to evaluate the usefulness and results of the Interlocking Compression Nail in femoral shaft stable fractures.
MATERIALS AND METHODS
The 87 patients, 88 cases, who were underwent internal fixations with interlocking compression nail for the stable fracture of the femoral shaft were evaluated. The majority of the causes of injury was traffic accident and the majority of location of the fractures was middle one thirds. The classification of the fracture using Winquist-Hansen classification showed that grade 0 were 23 cases(26.1%), grade 1, 47 cases(53.4%) and grade 2, 18 cases(20.5%). We used ICnail(Osteo, Switzerland) that can actively compress the fracture gap, maximum 10mm.
RESULTS
We used active compression in 63 cases(71.6%) and the mean length of compression was 2.3mm(range 1-5mm). The bone union was seen in 63 cases(71.6%) at postoperative 4 months and in 87 cases(98.9%) at postoperative 6 months. There was one case of delayed union, but there were no nonunion, infection, leg length discrepancy, and angular or rotational deformity, disturbing the daily activity.
CONCLUSION
The interlocking compression nail can reduce the fracture gap easily and effectively using compression screw by active interfragmentary compression. Thereby promote fracture healing and postoperative stability at the fracture site can be obtained, so early weight bearing is possible. Especially, this is recommendable useful method for femoral shaft stable fracture.

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Ipsilateral Femoral Neck and Shaft Fracture: Secondary Avascular Necrosis of Femoral Head: Sung Taek Jung, Keun Bae Lee, Taek Lim Yoon, Sang Don Shim, Myung Seon Kim; J Korean Soc Fract 2001;14(4):609-615. Published online October 31, 2001; DOI: https://doi.org/10.12671/jksf.2001.14.4.609

Abstract PDF: PURPOSE
To evaluate the prognostic variables that influence the incidence of complication such as avascular necrosis of femoral head, nonunion of neck after the treatment of ipsilateral femoral neck and shaft fracture by the results and long term follow up. MATERIAL AND METHODS: We studied the 18 cases of 17 patients that could be follow up over 2 years among the patients received the treatment of ipsilateral femoral neck and shaft fracture from 1987 to 1998. The average follow up duration was 54.3 months (24-120) and all patients was men. The average age was 38.2 yrs(20-60). Fifteen cases of femoral neck fracture were treated with multiple pinning and 3 cases with the compression hip screw, 12 cases of femoral shaft fracture were treated with DCP, 5 cases by interlocking IM nailing and 1 case, open fracture, by external fixator. We evaluated the bone union and complication such as avascular necrosis of femoral head and nonunion.
RESULTS
For femoral neck fracture, resection arthroplasty was performed in 1 case and nonunion in 1 case. Bone union was obtained at average 4 months in 16 cases of femoral neck fracture, at 9 months in all cases of shaft fracture. The avascular necrosis of femoral head in 5 cases included 1 case of nonunion was found at minimal 20 months to maximal 59 months follows up.
DISCUSSION
All prognostic variables of the ipsilateral femoral neck and shaft fracture, that is the Garden stage, Pauwels classification, delayed time to operation. had no statistical correlation with complication. Whenever possible the patients should be followed for a minimum 5 years to rule out avascular necrosis of femoral head.

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Use of Cancellous Bone Allograft in the Treatment of Long bone Fractures: Keun Bae Lee, Taek Rim Yoon, Jae Yoon Chung, Sung Taek Jung, Jae Joon Lee; J Korean Soc Fract 2001;14(4):776-782. Published online October 31, 2001; DOI: https://doi.org/10.12671/jksf.2001.14.4.776

Abstract PDF

PURPOSE
The goal of our study was to evaluate the usefulness of frozen cancellous bone allograft in the treatment of long bone fractures that had bone defect and nonunion.
MATERIALS AND METHODS
22 cases of long bone fractures(femur and tibia) with severe comminution or bone defect and nonunion were treated by operation using frozen cancellous bone allograft from March 1998 through May 2000. Thirteen were male and nine were female. The average age was 55 years old (range, 17-76 years) and the mean duration of follow-up was 20.1 months(range, 10-37 months). Eleven cases were femoral fractures, 7 cases of tibial fractures, and 4 cases of nonunion. Allografts were achieved from the patients of femoral neck fracture or osteoarthritis of the hip, and cadaveric donors. The specimens were carefully evaluated based on medical history and laboratory examination about the acute or chronic infection, and bloodtransmitted diseases. The results were evaluated by clinically, such as infection, pain at fracture site, immunological rejection and by radiologically union or resorption of allografts.
RESULTS
Radiologically, bone union was obtained in 14 cases(63.6%) at 6 months after operation, in all except two cases(90.9%) at 9 months after operation. Clinically, pain at fracture site, infection, and immunologic rejection were not observed.
CONCLUSION
In the treatment of severe comminuted fracture or nonunion of long bones, cancellous allograft transplantation after strict donor selection and appropriate screening was a good substitution for autograft avoiding of donor site morbidity or limitation in quantity.

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Influence of Process Conditions on the Quality Characteristics of Beef-Bone Broth
Byung-Su Kim, Gye-Won Kim, Jae-Yong Shim
Food Engineering Progress.2014; 18(1): 15. CrossRef

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A Comparison of Reamed and Unreamed Interlocking Intramedullary Nailing for Closed Fractures of the Tibia Shaft: Keun Bae Lee, Sung Taek Jung, Dae Chang Joo, Jae Joon Lee; J Korean Soc Fract 2000;13(3):515-521. Published online July 31, 2000; DOI: https://doi.org/10.12671/jksf.2000.13.3.515

Abstract PDF

PURPOSE
To get a reliable clinical data of interlocking IM nailing, the authors compared the results of the reamed interlocking IM nailing(Reamed) with unreamed interlocking IM nailing(Unreamed) in only closed fractures of tibial shaft. MATERIAL AND METHODS: Each Reamed(n=40) and Unreamed group(n=31) was followed by twenty-nine(13-53) months and twenty-one(13-55) months. We analyzed the results and complications of the each group.
RESULTS
The average total duration of the procedures performed without reaming was 13 minutes shorter than that of the procedures done with reaming(p>0.05). Twenty-nine fractures(73%) that were treated with reaming and eighteen(58.1%) that were treated without reaming united at postoperative 4 months. But, thirty-eight(95%) and twenty-nine(93.5%) fractures united at postoperative 6 months respectively. There was only one nonunion, which developed without reaming. Delayed union occurred after two nailing procedures with reaming and after one without reaming. Malunion occurred after one nailing with reaming and after two without reaming. There were two superficial infection, which developed after nailing with reaming.
CONCLUSION
There was no significant differences in the clinical and radiological result between reamed and unreamed nailing for the treatment of closed tibial shaft fracture. But, the bone union rate was significantly higher in reamed group than unreamed group at postoperative 4 months.

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Anterior Knee Pain after Intramedullary Nailing for Tibial Shaft Fractures
Suk-Kyu Choo, Hyoung-Keun Oh, Hyun-Woo Choi, Jae-Gwang Song
Journal of the Korean Fracture Society.2011; 24(1): 28. CrossRef

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Ilizarov Method for Treatment of Tibia Nonunion Associated with Bone Defects: Sung Taek Jung, Keun Bae Lee, Eun Kyoo Song, Sung Nam Jung; J Korean Soc Fract 1999;12(4):932-939. Published online October 31, 1999; DOI: https://doi.org/10.12671/jksf.1999.12.4.932

Abstract PDF: PURPOSE
: This study was to evaluate the results and complications in gap nonunions of the tibia treated by Ilizarov method MATERIALS and METHODS : We reviewed 30 patients of tibial nonunions(23 atrophic, 7 hypertrophic) with bone loss(1-l3cm, mean 4.6cm) who were treated by Ilizarov technique. The causes of bone defect were open fracture with bone loss(15 cases) and infected nonunions(15 cases). Bone defects were closed by Ilizarov bone transport technique.
RESULTS
All patients had satisfactory union. The mean distraction-consolidation index (distraction-consolidation time/ distraction gap) was 1.3 months/cm. The younger patients and metaphyseal lengthening healed faster than the older patients and diaphyseal lengthening. Even though, we met with the numerous complicationt such as pain around the pin site, pin site infection and delayed union, we could successfully treat most of them.
CONCLUSION
: The application of Ilizarov techniques to nonunions of the tibia with bone defect was very effective, but correct technique and careful follow-up examination was required to avoid complications.

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Treatment of the Femoral Shaft Fractures with Interlocking Compression Nail: Sung Taek Jung, Taek Rim Yoon, Jong Keun Seon; J Korean Soc Fract 1998;11(2):281-287. Published online April 30, 1998; DOI: https://doi.org/10.12671/jksf.1998.11.2.281

Abstract PDF

The results of treatment of femoral shaft fractures with interlocking compression nail, the third generation nail, were evaluated to determine the incidence of union of the fracture & clinical usefulness. Fifty-three femoral fractures that had been treated by interlocking compression nailing between February 1994 and March 1996 and had been followed for more than twelve months were included in this study. forty-eight cases were fresh closed fracture and five, fresh open fracture. The results were as follows 1. According to Winquist-Hansen classification, 25 cases were type I, 13 type II, 7 type III, 5 type IV, 3 type V. 2. Union occurred in 52(97%) of 53 femoral shaft fractures. The mean fracture union period was 18.1 weeks with a range of 10 to 32 weeks. 3. Postoperative complication were delayed union(5 cases), leg length discrepancy(2 cases) and nonunion(1 case). We concluded that interlocking compression nailing for femoral shaft fracture seems to promote the fracture healing process without conversion to dynamic intramedullary fixation.

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Additive Manufacturing of Patient-specific Femur Via 3D Printer Using Computed Tomography Images
Wang Kyun Oh, Ki Seon Lim, Tea Soo Lee
Journal of the Korean Society of Radiology.2013; 7(5): 359. CrossRef

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Treatment of the Femoral Shaft Fractures using Unreamed Interlocking Intramedullary Nail: Sung Taek Jung, Eun Sun Moon, Moon Lee; J Korean Soc Fract 1998;11(2):471-476. Published online April 30, 1998; DOI: https://doi.org/10.12671/jksf.1998.11.2.471

Abstract PDF: The current trend in the use of the unreamed intramedullary nail to avoid the increased damage to the intramedullary blood supply may be theoretically attractive for femoral shaft fracture stabilization but little clinical and radiological attention was reported. We have evaluated the results of treatment of femoral shaft fracture with unreamed interlocking intramedullary nail. Thirty-eight femoral fractures have been followed for more than twelve months were included in this study. Most of the fractures were the result of moderate to high-energy trauma. Thirty-three cases were fresh closed fracture and five were open fractures. Winquist-Hansen type I fracture (16 cases) were most common and healing period was shorter than other type. Healing occurred in 35 cases and mean healing period was 18.7 weeks with a range of 11 to 32 weeks. Postoperative complications were delayed union in 3 cases. We concluded that unreamed interlocking nailing for femoral shaft fracture seems to be a useful method with low complication rate.

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Use of the Ilizarov Technique for Treatment of Infected Non-Union: Sung Taek Jung, eun Kyoo song, Bong suk Bae; J Korean Soc Fract 1998;11(2):398-404. Published online April 30, 1998; DOI: https://doi.org/10.12671/jksf.1998.11.2.398

Abstract PDF: We reviewed infected non-union of tibia and femur which had been treated by radical resection of the necrotic bone and Ilizarov method in thirty-nine patients. All patients had either one-segment or two segment lengthening of bone with a technique of bone transport. The size of the bone defect that was bridged averaged 5.7cm (range, 2 to 16cm). All cases attained bone union and the infection was eradicated in all pattints before the fixator was removed. The mean duration of external fixator was 14 months(range, 4-28months). The mean external fixation index was 1.6 months/cm and the mean distraction index was 23.2 days/cm. The functional results were exellent in 3 patients, good in 19, fair in 9, poor in 8. The bone results were excellent in 5 patients, good in 20, fair in 10, poor in 4. Complication were pin tract infection in 15 patients, equinus contracture of ankle in 2, knee flexion contracture in 1, transient sensory change in 1, axial deviation in 2, premature consolidation in 2, delayed union in 2, and leg length discrepancy in 2, and refracture in 1. In conclusion, the Ilizarov method is very effective for treatment of infected non-union with bone loss, limb shortening and soft tissue defect.

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Double-Plating in the Comminuted Supracondylar Fracture of the Distal Femur: Taek Rim Yoon, Sung Taek Jung, Hyoung Yeon Seo; J Korean Soc Fract 1997;10(4):778-784. Published online October 31, 1997; DOI: https://doi.org/10.12671/jksf.1997.10.4.778

Abstract PDF: Supracondylar fracture of femur is not well suited to internal fixation. A wide canal, a thin cortex, comminution and compound wound make open reduction more difficult. Especially, type C2 and C3 on AO classification is problematic. The cases of nine patients who had type C2 or C3 fracture including three open fractures and deficient medial-cortical buttress were reviewed. Stable fixation was achieved with the lateral condylar buttress plate. Additional stabilization with a medial plate and bone graft from the iliac crest was applied in all nine patients. At an average duration of follow-up nineteen months(range from twelve to forty-eight months), all of the fracture had healed. Evaluation of the functional outcome revealed two excellent, three good and four fair results. In three patient, less than 90 degree of flexion of the knee was present and in six, the arc of flexion was limited to between 90 and 110 degrees. One patient had two centimeter shortening, one had medial screw loosening which need not additional fixation. The results of our study suggest that, for the treatment of patients who have a difficult fracture in whom stable fixation of the distal part of the femur cannot be achieved with a condylar buttress plate because of medial cortical communition, a short distal condylar fragment, or loss of metaphyseal bone, double-plating is indicated.

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Negleeted Displaced Radial Neck Fracture Developed After the Reduction of Posterior Elbow Dislocation: A case report: Eun Sun Moon, Sung Taek Jung, Seong Tae Cho; J Korean Soc Fract 1995;8(4):889-892. Published online October 31, 1995; DOI: https://doi.org/10.12671/jksf.1995.8.4.889

Abstract PDF: The complete fracture-separation of proximal radial epiphysis is a comparatively rare injury In the original discription about this injury by Jeffery, the complete displacement of fracture was produced by a result of spontaneous reduction of dislocated elbow after initial nondisplaced fracture of radial neck with dislocation of elbow, We have experienced of development of complete posterior displaced radial neck fracture after reduction of the posterior elbow dislocation.

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Delayed Femoral Neck Fracture in Interlocking Intramedullary Nailed Femur: A case report: Sung Man Rowe, Eun Sun Moon, Eun Kyoo Song, Sung Taek Jung; J Korean Soc Fract 1989;2(2):269-273. Published online November 30, 1989; DOI: https://doi.org/10.12671/jksf.1989.2.2.269

Abstract PDF: We report an uncommon complication following interlocking intramedullary nailing of the femur: delayed femoral neck fracture after 5 months of unevenful postoperative course. He was a 47-year-old laborer with good quality of bone, nevertheless he sustained femoral neck fracture after minor fall on the ground. We thought that loss of bone elasticity caused by interlocked nail in the whole femoral shaft including intertrochanteric portion made stress concentration on the femoral neck to develop a fracture with minor magnitude of traumatic force.

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