Journal of Musculoskeletal Trauma

Comparing Outcomes of Retrograde Intramedullary Nail and Locking Plate Fixation in Distal Femoral Fractures: Byung-Ho Yoon, Bo Kwon Hwang, Hyoung-Keun Oh, Suk Kyu Choo, Jong Min Sohn, Yerl-Bo Sung; J Korean Fract Soc 2021;34(4):131-136. Published online October 31, 2021; DOI: https://doi.org/10.12671/jkfs.2021.34.4.131

Abstract PDF: Purpose
We compared the radiological and clinical results of fixation for distal femoral fracture (DFF) using a locking compression plate (LCP) or a retrograde intramedullary nail (RIN).
Materials and Methods
From October 2003 to February 2020, 52 cases of DFF with a minimum 1-year follow-up (with a mean follow-up of 19.1 months) were included: 31 were treated with LCP and 21 with RIN. The operation time, blood loss, and hospitalization period were compared, and the incidence of postoperative nonunion, malunion, delayed union and metal failure and other post-operative complications were evaluated and compared.
Results
There was no significant difference in the operating time between the two groups, but the mean blood loss was significantly higher in the LCP group (LCP 683.5 ml vs RIN; 134.9 ml; p=0.015). In 49 out of 52 cases, bone union was achieved without additional surgery in an average of 6.8 months, and a complete union was achieved after additional surgery in three cases of nonunion (LCP 2 cases vs RIN 1 case; p=0.065). One case of malunion and superficial infection was confirmed in each group.
Conclusion
Internal fixation using LCP and RIN give good outcomes with a low complication rate and can therefore be considered useful surgical treatments for DFF.

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Primary Bipolar Hemiarthroplasty for Treatment of Unstable Intertrochanteric Fracture of the femur in Elderly patients: Jong Min Sohn, Ju Hae Jahng, Nan Kyung Ha, Seong Tae Cho, Kwang Young Choi; J Korean Soc Fract 2003;16(1):37-44. Published online January 31, 2003; DOI: https://doi.org/10.12671/jksf.2003.16.1.37

PURPOSE
The purpose of this study was to evaluate the effectiveness and advantage of bipolar hemiarthroplasty in treatment of unstable femoral intertrochanteric fracture in elderly patients.
MATERIALS AND METHODS
We reviewed 93 patients and followed up more than one year. Group I(n=34, Singh index <3 with more than 70 year old) were treated by bipolar hemiarthroplasty. Group II(n=20) with same condition were treated by compression hip screw. Group III(n=39, Singh index >4 with more than 70 year old) were treated by compression hip screw.
RESULTS
Group I and III patients showed satisfactory result over than good by merle D 'Aubigne hip rating scale. Among Group II(n=20), 16 cases showed under 'poor 'according to functional scale. Complication was 1 cases in group I, 19 cases in group II and 8 cases in group III.
CONCLUSION
We suggest bipolar hemiarthroplasty as first choice of treatment for osteoporotic elderly patients with unstable intertrochanteric fracture, especially who have combined medical problems or poor general condition.

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Analysis of Missed Fractures by Bone Scan in Elderly Hip Fracture Patients with Osteoporosis
Tae Hun Lee, Yeong Hyun Lee, Seo Won Kang
Journal of the Korean Fracture Society.2024; 37(3): 144. CrossRef

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Impacted Cancellous Allograft and Valgus Fixation of Intertrochanteric Fracture Nonunion: Soon Yong Kwon, Young Kyun Woo, Jong Min Sohn, Jin Hwa Chung, Jung Ho Lee, Yong Sik Kim; J Korean Soc Fract 2002;15(1):65-71. Published online January 31, 2002; DOI: https://doi.org/10.12671/jksf.2002.15.1.65

Abstract PDF: PURPOSE
The aim of this study was attempted to evaluate the effects of impacted cancellous allograft and valgus fixation in the management of nonunion of intertrochanteric fracture of the femur.
MATERIALS AND METHODS
Between June 1995 and October 1999, 5 patients, ranging from 38 to 75 years of age, with nonunion of femoral intertrochanteric fracture, whose primary treatment had been done with compression hip screws, were treated with impacted cancellous allograft and valgus fixation RESULTS: After follow-up from 13 months to 24 months, among the 5 cases, 4 cases resulted in the union in a mean time of 16 weeks, improvement of LLD in a mean length of 0.8cm and good function of abduction, but 1 case resulted in nonunion, followed by total hip arthroplasty.
CONCLUSION
For patients with nonunion of femoral intertrochanteric fracture, impacted cancellous allograft and valgus fixation provide a good result of union.

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Pitfalls in Treatment of Lateral Malleolar Frcture with Plate and Screws: Jong Min Sohn, Ju Hae Jahng, Nan Kyung Ha, Dae Hyun Baek, Hyoung Gwan Kim, Bong Heon Hyun; J Korean Soc Fract 1998;11(4):900-905. Published online October 31, 1998; DOI: https://doi.org/10.12671/jksf.1998.11.4.900

Abstract PDF

The goal in treatment of ankle fracture is the restoration of normal ankle function. Although controversy still exists over the best method of treatment, recent ariticles emphasize importance of the anatomic reduction of fibula and the benefits of early mobilization when adequate fixation is accomplished. When we fix fracture of lateral alleolus with plte and screws, the distal screws should engage the medial cortex of the fibula but not protrude into the talofibular joint. Because the penetration of screws into ankle joint may be the cause of postoperative pain and opst-traumatic arthritis. This article has reviewed a series of 36 ankle fractures, treated from March 1993 to January 1997, using plate and screws. In order to analyse the influence of the penetration of screws into the ankle joint, all fractures were classified according to the penetrating length of screw from medial cortex of lateral malleolus. Thse with the end of the screw protnided more than 2mm into joint were clssified group I, those with less than 2mm groupp II, those with no engagement group III. The results obtained from this study were as follows: 1. According to clinical and radiolgraphic assessment of the results of the treatment, open reduction and internal fixation using plate and screws in treatment of lateral malleous was a satisfactory method. The excellent or good results were achieved in 28 patients among the 36 patients (77.8%). 2. Average time of bony union was not different significally among the three groups. 3. The gain of full range of motion was delayed in group I. 4. Patients of group I complained persistent pain and discomfort more frequently than the other groups. 5. In the treatment of lateral malleolar fracture, the distal screws should engage the medial cortex of fibula to gain firm fixation,but should not protrude more than 2mm into the ankle joint.

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Features of Lateral Malleolar Fractures in Elderly Patients and Clinical Outcome of Locking Compression Plate Fixation
Seok-Min Hwang, Hong-Geun Jung, Hyung-Jin Chung, Joon-Sang Eom, Dong-Oh Lee, Jung-Hyun Cho, Jong-Tae Park
Journal of the Korean Orthopaedic Association.2016; 51(1): 77. CrossRef

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Treatment of Supracondylar Fracture of Humerus in Children: Conservative vs Operative Treatment: Jong Min Sohn, Ju Hai Chang, Dong Heon An, Seung Pyo Eun, Han Seok Son; J Korean Soc Fract 1996;9(3):695-705. Published online July 31, 1996; DOI: https://doi.org/10.12671/jksf.1996.9.3.695

Abstract PDF: Supracondylar fracture of the humerus is the most common fracture around the elbow joint in children, especially in the age from 4 to 9. 97% of the fractures are extension type and there are many problems in management such as the method of reduction and maintenance of reduction, Volkmanns ischemia, neurovascular injuries, cubitus varus or valgus deformity, and myositis ossificans etc. Currently the methods of treatment of supracondylar fracture include open reduction and pin fixation, closed reduction and percutaneous pin fixation, and closed reduction and immobilization by splint. 134 children with supracondylar fracture of humerus, conservatively 49 cases and operative 85 cases, were treated from January 1991 to October 1995 and were followed up for at least 6 months. We analyBed the type of fracture, method of treatment and results and concluded that accurate reduction, minimizing soft tissue injury and maintenance of reduction are important factors for gaining good results.

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Lunate dislocation and perilunte dislocation with or without fracture: Won Jong Bahk, Jong Min Sohn, Nam Gee Lee, Seung Key Kim, Young Joo Park, Han Chang; J Korean Soc Fract 1996;9(1):42-49. Published online January 31, 1996; DOI: https://doi.org/10.12671/jksf.1996.9.1.42

Abstract PDF: The lnate dislocation and perilunte dislocation with or without fracture, occupying about 10% of carpal injury, might b classified as a same category of injury resulted from similar mechanim. Initial diagnosis was missed often. In case of failure of closed reduction, open reduction and internal fixation will be necessary. The authors analyzed retrospectively 15 patients with lunate dislocation and perilunate dislication without fracture(Group A)and perlunate dislication with scaphoid fracture(Group B) who were treated from 1989 to 1994 at our hespital. The follow-up periods were 7 months to 60 months with mean of 23.2 months. The results were as follows. 1.Group A were 2 cases of anterior dislication of lunate and 8 cases of perilunate dislocation Group B were 5 cases of transscaphoid perilunate fracture-dislocation. The direction of perilunar dislocation with or without scaphoid fracture was posterior in all cases. 2.The causes of injury were fall from height in 7 cases, slip in 3 cases, traffic accident in 3 cases and crushing injury in 2 cases. 3.The overall clinical results by modified Green and OBriens clinical score were excellent in 4 cases(26.7%), good in 4 cases (26.7%),fair in 4 cases(26.7)and poor in 3 cases(20%). 4.9 out of 10 cases (90%) in Group A and 3 out of 5 cases(60%) in Group B were superior to fair. Early treatment within 3 days injury was performed in 11 cases (7 in Group A,4 in Group B), The average point was 85 and 70, respectively and there was no statisticat significance between two groups(P>0.05). Treatment was delayed beyond two weeks after injury due to missed initial diagnosis and open wound in 4 cases(3 in Group A,1 in Grdup B). The final tesults were 1 case of good, 1 case of fair, 1 case of poor in Group a, and 1 case of poor in Group B. There was no statistical significance between the early treatment cases and delayed treatment cases(P>0.05). In conclusion, ounate and perilunate dislocation without scaphoid fracture can be treated by early operation to get and maintain the anatomical reduction. The authors thought that the presence of scaphoid fracture, nonanatomic reduction and delay in treatment are poor prognostic factors.

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Lateral Condyle Fracture of Tibia Treated by Open Reduction and Internal Fixation: Jong Min Sohn, Ju Hai Chang, Dong Heon An, Soo An Park; J Korean Soc Fract 1996;9(1):137-145. Published online January 31, 1996; DOI: https://doi.org/10.12671/jksf.1996.9.1.137

Abstract PDF: Tibial condyle fracture involving articular surface can produce some disabilities of the knee because they are usually accompanied with the injuries of the ligaments and menisci. Though recent studies suggest that anatomical reduction and rigid fixation of the fracture followed by early knee mobilization have improved clinical end results, the results were not always successful. The lateral condyle fracture is more often in the incidence than the medial one. This is due to the physiologic valgus of the knee, the weaker trabeculation under the lateral tibial plateau, and the increased frequency of valses injuries as the knee is protected medially by the contralateral side. Eighteen lateral condyle fractures of the tibia treated by open reduction and internal fixation at the Our Lady of Mercy Hospital from June 1991 through February 1995 were analized. The results are as follows. 1. The patients were 13 males and 5 females, mean age was 39.2 years and mean follow up-period was 19.2 months. 2. The most common cause was motor vehicle accident(8 cases,44.4%). 3. The most frequent type of fracture was split(8 cases,44.4%) by Rasmussens lateral condyle fracture classification and the next was split-compression(6 cases,33.3%). 4. According to Blokkers criteria,15 cases(83.3%) had satisfactory results. Among 3 cases of unsatisfactory results, 1 developed secondary degenerative change, 1 had valgus instability and 1 secondary degenerative change and mild valgus instability. It is thought that the most important factor influencing results was the anatomical reduction of the articular surface, rigid fixation and early joint mobilization.

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Interlocking Intramedullary Nailing for femoral Shaft Fracture: Closed and Open Nailings: Ju Hai Chang, Jong Min Sohn, Dong Reon An, Sung Tae Kim; J Korean Soc Fract 1995;8(4):760-766. Published online October 31, 1995; DOI: https://doi.org/10.12671/jksf.1995.8.4.760

Abstract PDF: Femoral shaft fractures are caused by violent external forces like motor vehicle or falling down accident and associated with multiple injuries of other parts of the body, so that accurate reduction and rigid fixation is mandatory to ensure early fracture healing and mobilization of patients. Authors thought that the interlocking intramedullary nailing may be one of methods that can provide rigid and stable fixation for the unstable fracture of femoral shaft. Thus this study was carried out to assess the effectiveness of open reduction and interlocking intramedullary nailing to the comminuted unstable femoral shaft fracture. Twenty-seven femoral shaft fractures were treated by closed or open interlocking intramedullary nailing from July 1990 through August 1994 and followed-up at least for 12 months. Closed nailings were 11 and open nailings were 16 cases. Radiological union was obtained at an average of 15 weeks in closed nailing cases and at an average of 21 weeks in open nailing cases. However, comparative anlysis of union times was meaningless because of different fracture patterns in both open and closed nailings. Clinical results by Thoresens classification were excellent in all cases. Complications were 3 iatrogenic cortical fractures developed by closed nailing procedures and 3 deep infections, one after closed nailing and two after open nailing. There was no sequela related directly to the intramedullary nailing. Authors thought is that open intramedullary nailing is beneficial to the unstable comminuted fracture of femoral shaft in spite of increasing risk of infection, because that permits accurate reduction and secure fixation of the comminuted fragments and sometimes bone grafting with compatible clinical results.

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Injury of Distal Tibio-Fibular Syndesmosis Treated with Trans-Syndesmotic Screw Fixation: Jong Min Sohn, Ju Hai Chang, Dong Heon An, Jong Wook Shin; J Korean Soc Fract 1995;8(3):586-593. Published online July 31, 1995; DOI: https://doi.org/10.12671/jksf.1995.8.3.586

Abstract PDF: Injury of distal tibiofibular syndesmosis Is usually associated with pronation-external rotation, supination-extemal rotation or pronation-abduction injuries at the ankle. In general, there are two methods of treatment for injured distal tibioflbular syndesmosis. The first is direct repair of injured syndesmosis and the second is internal fixation with trans-syndesmotic screw for stability of distal tibiofibular joint. The latter method is generally used because the procedure is simple and the outcome is relatively good. Our patients who had been injured of distal tibiofibular syndesmosis that associated with ankle fractures had treated with open reduction, internal fixation and transfixing screw, and early range of motion exercise was started for decreasing joint stiffness and degenerative change. Between March 1990 and August 1994, twelve patients were treated by open reduction and internal fixation and trans-syndesmotic screw fixation. Early range of motion exercise was started ater 3 weeks, and trans-syndesmotic screw was removed and partial weighting bearing was started at 8-12 weeks after sugery. After full weight bearing, follow up clinical examination and full weight bearing ankle roentgenography was evaluated. The results was as followed 1. Among the 12 cases, male was 7, Female was 5, and the mean age was 30.7 years and the average follow-up period was 27.3 months 2. Range of motion exercise was started at postoperative day 3 weeks. 3. Trans-syndesmotic screw was removed at postoperative day 8-12 weeks and partial weight bearing walking ambulation was started. 4.The full weight bearing ankle anterior-posterior roentgenography was evaluated. 5. There was 3 complicated cases, traumatic arthritis 1 case, infection with diastasis 1 case and distal tibiofibular fusion 1 case. 6. The excellant and good result were achieved in 9 cases(75%)

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Patellar fractures treated with modified tension band internal fixation: Ju Hai Chang, Jong Min Sohn, Won Jong Bahk, Joo Hyoun Song; J Korean Soc Fract 1993;6(2):262-270. Published online November 30, 1993; DOI: https://doi.org/10.12671/jksf.1993.6.2.262

Abstract PDF

No abstract available.

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Clinical Effectiveness of Korean Medical Rehabilitation Treatment after Patellar Fracture: A Report of 4 Cases
Ji-Hye Geum, Hyeon-Jun Woo, Jong-gyu Kim, Jung-Han Lee
Journal of Korean Medicine Rehabilitation.2020; 30(4): 203. CrossRef

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Displaced surgical neck fractures of humerus treated with pinning: Ju Hai Chang, Jong Min Sohn, Won Jong Bahk, Joon Taek Kong; J Korean Soc Fract 1992;5(1):65-71. Published online May 31, 1992; DOI: https://doi.org/10.12671/jksf.1992.5.1.65

Abstract PDF: No abstract available.

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