Journal of Musculoskeletal Trauma

Jae Sung Seo

12 Articles

Comparison of Plate Versus Threaded K-wire for Fixation of Midshaft Clavicular Fractures: Young Jin Ko, Chul Hyun Park, Oog Jin Shon, Jae Sung Seo; J Korean Fract Soc 2012;25(2):123-128. Published online April 30, 2012; DOI: https://doi.org/10.12671/jkfs.2012.25.2.123

PURPOSE
To compare clinical outcomes of the plate and threaded K-wire for fixation of midshaft clavicular fractures.
MATERIALS AND METHODS
From 2005 Jan to 2009 May, medical records of 18 patients who underwent open reduction and internal fixation with plate (group 1) and 13 others who underwent intramedullary fixation with threaded K-wire (group 2) were reviewed. The mean follow up periods were 21.9 and 18.9months. The Functional results were evaluated with The Disabilities of the Arm, Shoulder and Hand (DASH) score and Constant shoulder score. The statistical evaluation was assessed with Paired T-test, Chi-square test.
RESULTS
The DASH score were 11.5+/-2.7 in group 1 and 12.4+/-4.3 in group 2. The constant shoulder score were 92.0+/-3.1 in group 1 and 87.1+/-2.8 in group 2. Length of surgical wound (cm) were 10.6+/-3.4 in group 1 and 4.8+/-1.5 in group 2. Postoperative pain and range of motion change were superior in group 1.
CONCLUSION
There was no significant difference between the two groups in functional and radiological results. But, there were patient's complaints about length of surgical wound in group 1 and hardware irritation in group 2.

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A Comparison between Minimally Invasive Percutaneous Plate Osteosynthesis and Plate Fixation in the Treatment of Clavicle Midshaft Fracture
Seong-Ho Yoo, Suk-Woong Kang, Bu-Hwan Kim, Moo-Ho Song, Yeong-Joon Kim, Gyu-Taek Park, Chang-Hun Kwack
Journal of the Korean Orthopaedic Association.2017; 52(1): 1. CrossRef
Plate fixation versus intramedullary fixation for midshaft clavicle fractures: Meta-analysis of complications and functional outcomes
Hao Xiao, Hengbo Gao, Tuokang Zheng, Jianhui Zhao, Yingping Tian
Journal of International Medical Research.2016; 44(2): 201. CrossRef
Meta-analysis of plate fixation versus intramedullary fixation for the treatment of mid-shaft clavicle fractures
Bing Zhang, Yanbin Zhu, Fei Zhang, Wei Chen, Ye Tian, Yingze Zhang
Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine.2015;[Epub] CrossRef

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Comparison of Results of Tension Band Wire and Hook Plate in the Treatment of Unstable Fractures of the Distal Clavicle: Chul Hyun Park, Oog Jin Shon, Jae Sung Seo; J Korean Fract Soc 2011;24(1):55-59. Published online January 31, 2011; DOI: https://doi.org/10.12671/jkfs.2011.24.1.55

Abstract PDF

PURPOSE
To compare the clinical and radiological outcomes of two surgical methods with tension band wire and Hook plate for unstable distal clavicle fractures.
MATERIALS AND METHODS
Thirty patients with type II distal clavicle fractures were evaluated, who were operated with tension band wire (Group I) and Hook plate (Group II) fixation, from June 2005 to June 2009, and could be followed-up for more than 1 year after operation. The reduction and union were evaluated by the immediate post-operative and final radiographs. The functional outcome was evaluated by Kona's system and Constant-Murley scoring system.
RESULTS
All 30 cases showed bony union. By Kona's functional evaluation, there were 16 cases with excellent and good results in Group I and 14 cases in Group II. The average Constant score was 88.3 (71~100) in Group I and 89.6 (72~100) in Group II, but there was no significant difference in both groups. As complications, there were 2 case with subacromial impingement, and 1 case showed subacromial erosion. There was no K-wire migration, deep infection and acromioclavicular joint arthritis.
CONCLUSION
Tension band and Hook plate fixation technique gave satisfactory clinical and radiological results in patients with type II distal clavicle fractures. These results suggest that tension band wire and Hook plate fixation technique seems to be an effective method for type II distal clavicle fracture. But we think thal early removal of plate is necessary due to risks for subacromial impingement and erosion in Hook plate fixation.

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Hook Plate Fixation for Unstable Distal Clavicle Fractures: A Prospective Study
Kyung-Cheon Kim, Hyun-Dae Shin, Soo-Min Cha, Yoo-Sun Jeon
The Journal of the Korean Shoulder and Elbow Society.2011; 14(1): 6. CrossRef

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Analysis of the Causes for Failed Compression Hip Screws in Femoral Intertrochanteric Fracture and Hip Reconstruction Operation: Ui Seoung Yoon, Jin Soo Kim, Jae Sung Seo, Jong Pil Yoon, Seung Yub Baek; J Korean Fract Soc 2010;23(3):270-275. Published online July 31, 2010; DOI: https://doi.org/10.12671/jkfs.2010.23.3.270

Abstract PDF: PURPOSE
To analyze the causes of fixation failure of compression hip screw and evaluate outcomes of hip arthroplasty for reconstruction.
MATERIALS AND METHODS
We reviewed 108 femoral intertrochanteric fractures that underwent compression hip screw between January 1997 and December 2007. Failure group (group I) contained 28 cases who had hip arthroplasty for failed compression hip screw and the control group (group II) contained 80 cases who had successive compression hip screw. We analyzed the causes of failure of compression hip screw and evaluated the results of hip arthroplasty for reconstruction.
RESULTS
In group I, 21 cases (75%) were unstable fractures. Group II, 14 cases (17%) were unstable fractures. Tip-apex distance was 26.5 (18~35) mm in group I and 18.6 (8~22) mm in group II. Lateral wall fracture of greater trochanteric area was combined in 24 cases (85.7%) in group I and 9 cases (11.3%) in group II. Harris Hip Score improved from 33.5 (22~43) points to 84.2 (75~93) points after salvage hip arthroplasty.
CONCLUSION
We considered the causes of failed compression hip screw to be fracture instability, increased tip-apex distance and presence of lateral wall fracture of greater trochanter. Hip arthroplasty was found to be a useful method for failed compression hip screw.

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Clinical and Functional Result after Internal Fixation of Severely Displaced Floating Shoulder: Sang Hun Ko, Chang Hyuk Choe, Sung Do Cho, Jae Sung Seo, Jong Oh Kim, Jaedu Yu, Sang Jin Shin, In Ho Jeon, Kwang Hwan Jung, Jong Keun Woo, Ji Young Jeong, Gwon Jae No; J Korean Fract Soc 2006;19(1):46-50. Published online January 31, 2006; DOI: https://doi.org/10.12671/jkfs.2006.19.1.46

Abstract: PURPOSE
To evaluate the follow-up result of 11 cases that were operated with internal fixation of scapular neck and internal fixation of clavicle or acromioclavicular dislocation for severely displaced floating shoulder which was high energy injury and unstable.
MATERIALS AND METHODS
We examined the scapular neck fracture with clavicle fracture or acromioclavicular joint dislocation by multidisciplinary research from August 1997 to July 2004. The scapular neck fractures were operated in the case of translational displacement of more than 25 mm and angular displacement of more than 45 degrees with 3.5 mm reconstruction plate fixation and internal fixation for clavicle fracture or acromioclavicular joint perpormed simultaneously. And we evaluated 11 cases that can be followed up for more than 9 months.
RESULTS
We achieved bony union in all cases. In ASES functional score, we got average 89.2 (75~95) points. In Rowe functional score, we got average 89.1 (75~100) points. In complication, there was external rotation weakness in 1 case.
CONCLUSION
In severely displaced floating shoulder due to high energy injury, we got good clinical and functional result after internal fixation for scapular neck and clavicle or acromioclavicular joint.

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Treatment and Functional Results of the Three and Four Part Fractures of Proximal Humerus: Dong Chul Lee, Hwan Jin Jeon, Jae Sung Seo; J Korean Soc Fract 2000;13(4):970-977. Published online October 31, 2000; DOI: https://doi.org/10.12671/jksf.2000.13.4.970

Abstract PDF: PURPOSE
The current study was performed to evaluate the treatment and functional results of the three and four part fractures of proximal humerus.
MATERIALS AND METHODS
Nineteen patients with displaced 3 part and 4 part fractures and fractures-dislocation were followed for more than one year and analyzed. The causes of injuries, classification of fracture, associated injuries, functions, results of treatment and complications were investigated.
RESULTS
According to Neer's classification, there were 15 cases of 3 part fracture and 4 cases of 4 part fractures. The range of motion and functional results of the shoulder in 3 part fractures (flexion 138.6degrees , abduction 124.3degrees , Constant score 60.3) were better than 4 part fractures (flexion 77.5degrees , abduction 60degrees , Constant score 29.5). We compared the humeral offset of injured side with the healthy one. In the cases of less than 4mm difference, the range of motion was 150degrees in flexion and 40.3degrees i n abduction, and the constant score was 67.3. But in the cases of more than 4mm difference, the range of motion was 84.3degrees in flexion and 58.6degrees in abduction, and constant score was 30.9 points. Clinical results was better in the cases of less than 4mm difference.
CONCLUSION
Range of motion and functional results of 3 part fractures were better than 4 part fractures and restoration of humeral offset resulted in better clinical results.

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Alterations of Biochemical Markers in Osteoporotic Fractures: Jae Sung Seo, Kwang Hee Lee, Woo Hyuk Jang; J Korean Soc Fract 1999;12(3):652-659. Published online July 31, 1999; DOI: https://doi.org/10.12671/jksf.1999.12.3.652

Abstract PDF: Hip fracture is one of the most severe consequence of osteoporosis affecting aged women. Biochemical markers of bone formation and bone resorption allow for a noninvasive assessment of the bone turnover alteration of the entire skeleton in osteoporosis. To evaluate the bone metabolic status of postmenopausal women who sustained hip fractures, we measured serum osteocalcin levels as a bone formation markers, and urinary deoxypyridinoline levels as a bone resorption markers. Comparison was made with-age-matched controls. At the time of admission, serum osteocalcin was 23% lower in the fractured patients compared to controls and urine deoxypyridinoline was 22% higher than in the controls(P<0.05). Hip fracture patients have biochemical evidence of decreased bone formation and increased bone resorrtion compared to controls. Increased bone resorrtion was considered more important factor than bone formation in the postmenopausal osteoporotic hip fracture. Since fracture pathogenesis is complex, various factors, such as osteoporosis and risk factors for injury, have been considered. We suggest that abnormal level of osteocalcin and deoxypyridinoline in Postmenopausal women could be contribute a factor of fracture pathogenesis.

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Posterior Cortical Fracture of Tibia during Tibial Interlocking Intramedurally Nail Extraction : A report of 3 cases: Jae Sung Seo, Jin Young Hong; J Korean Soc Fract 1997;10(4):892-896. Published online October 31, 1997; DOI: https://doi.org/10.12671/jksf.1997.10.4.892

Abstract PDF: We have experienced three cases of posterior cortical fracture of tibia during the removal of interlocking intramedullary nail which was made of titanium alloy with the prominent distal angulation. And we observed the distal translation of entry point in one case. The main reason of posterior tibial cortical fracture can be explained by the following statements : (a) prominent distal angulation increases cross sectional surface of nail in medullary canal at the time of extraction and (b) the distal translation of entry point increases the interface of posterior cortex at the time of extraction. In conclusion, we advise caution in the extraction of tibial nail of distally translated entry point which have a prominent distal angulation.

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Effective Preparation of A Bone Marrow Graft: Jae Sung Seo, Woo Seok Jang; J Korean Soc Fract 1996;9(3):788-793. Published online July 31, 1996; DOI: https://doi.org/10.12671/jksf.1996.9.3.788

Abstract PDF: The purpose of this study was to determine the effective preparation of a bone marrow graft by centrifugation. The experimental 4 groups were divided into Group A(5min/400G), group B(7min/400G), group C(10min/400G), and Group D(5min/600G) after aspiration of 12 case bone marrows. The results were as follows: Group A and Group B were not effective preparations of a bone marrow graft as seen in the total cell count and the viable cell count. Group C was the most effective preparation of a bone marrow graft among 4 groups. Group D had a the less viable cell count than Group C but the viable cell count was enough to record.

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Treatment of Unstable Intraarticular Fracture of Distal Radius with External Fixator and Minimal open Reduction: Jae Sung Seo, Jin Myeung Dan, Dong Chul Lee, Se Dong Kim; J Korean Soc Fract 1996;9(2):283-289. Published online April 30, 1996; DOI: https://doi.org/10.12671/jksf.1996.9.2.283

Abstract PDF: The distal radius fracture is one of the most common fracture in orthopedics, but their optimal treatment has not been delineated, especially in unstable intraarticular fracture. The unstable intraarticular fracture is increasig due to high energy injury following industrialization and increasing traffic accidents. The unstable intraarticular facture of the distal radius comprises distince subgroups that are difficult to manage and are associated with a high frequency of posttraumatic arthritis. Authors treated 6 cases of unstable intraarticular fracture of distal radius using external fixator and minimal open reduction to improve anatomical and functional results. Six patient were followed up more than one year (mean 19.3 month) and the patients were assessed functional results by Green and 0Briens score and anatomical results by Stewarts scale. Using the external firator and minimal open reduction, is thought to be a useful method for treatment of unstable intraarticular fracture of the distal radius.

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Scaphoid nonunion Ireated by Bone Graft and Internal Fixation: Jae Sung Seo, Myun Whan Ahn, Woo Seok Jang; J Korean Soc Fract 1996;9(2):257-263. Published online April 30, 1996; DOI: https://doi.org/10.12671/jksf.1996.9.2.257

Abstract PDF: There is difficuity in the treatment of scaphoid nonunion, because of it is not easy to diagnosis scaphoid fracture after affecting the damage, and also of inadequate treatment. We have performed wedge bone Graft and internal fixation in treatment of 52scaphoid nonunions from April, 1986 to June, 1994. We got result as below by analysis of 27 cases which could follow up more than one year. 1. The most frequent age of fracture is the 3rd decade and the fracthre is more frequent in men (26 cases)than in woman (1 case). 2. The X-ray fingings of nonunion are bony sclerosis (13 cases), cystic change(3 cases), and absorption of fracture line (11 cases). 3. The mean period of bony union is 14.7 weeks. 4. In 8 cases there has been dorsal intercalated segmental instability(DISI) on preoperative X-ray finding and which is corrected after operation. 5. In evaluatory system by Herbert and Fischer about degree of patients satisfaction, the grade 0 is 15 cases, grade 1 is 11 cases and grade 2 is 1 case, in clinical results, grade 0 is 15 cases, grade lis 9 cases and grade 2 is 3 cases, in radiographic result, grade 0 is 22 cases, grade 1 is 4 cases, grado 2 is 1 case.

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Treatment of the Fractures of the Humeral Shaft with the Non-reamed True/Flex Humerus Rod: Dong Chul Lee, Jae Sung Seo, Sang Don Kim; J Korean Soc Fract 1994;7(1):122-130. Published online May 31, 1994; DOI: https://doi.org/10.12671/jksf.1994.7.1.122

Abstract PDF: Recently, surgical intervention of the fractures of the humeral shaft was increased due to the severe trauma occuring in the traffic accident and industrial accident, even if closed treatment was appropriate in the humeral diaphysis. In order to obtain the early mobilization prevention of the nonunion and joint stiffness, rigid fixation of the fracture is needed. To reduce the complication of the open reduction (nonunion, infection, radlal neue palsy), closed intramedullary nail fixation techlnques without opening the fracture site were used. Eight cases of the fractures of the humeral shaft were treated with nonreamed True/Flex humerus rod system(intramedullary fixation) between Nov.1992 and Apr.1993. And the obtained results were as follows. 1. The normal healing cases were S and its average healing time Is post-op. 9.2 weeks. There were nonunion in 1 case and delayed union in 2 cases. 2. The causes of the injury were traffic accident in 6 cases fall down in 1 case, belt injury in 1 case. 3. The causes of the nonunion and delayed union were as follows distraction(by inappropriate selection of the rod and physical treatment) in 2 cases, insufficient immobilzation in 1 cases. 4. The True/Flex humerus rod seemed to recommand to the patients with multiple, open, segmental fractures and poor qeneral condition.

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The problem associated with tibia fractures with intact fibula: Joo Chul Ihn, Jong Chul Ahn, Se Dong Kim, Jae Sung Seo, Kyung Ho Shin; J Korean Soc Fract 1991;4(1):85-93. Published online May 31, 1991; DOI: https://doi.org/10.12671/jksf.1991.4.1.85

Abstract PDF: No abstract available.

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