Journal of Musculoskeletal Trauma

Han Yong Lee

7 Articles

Treatment of Pediatric Displaced Supracondylar Fractures of the Humerus by Pin Leverage Technique: Han Yong Lee, Joo Hyoun Song; J Korean Fract Soc 2006;19(1):83-88. Published online January 31, 2006; DOI: https://doi.org/10.12671/jkfs.2006.19.1.83

PURPOSE
To evaluate a new treatment method by pin leverage technique in Gartland type III fractures to avoid forceful manipulation or open reduction.
MATERIALS AND METHODS
99 cases were included in this study and divided into 3 groups (I;open reduction, II; closed reduction and percutaneous pin fixation, III; pin leverage technique), and we analyzed timing to operation, length of operation, associated neurovascular injuries, complications, and clinical and radiological outcomes at final follow-up.
RESULTS
The average length of operation 119, 57, and 68 minutes respectively. The associated nerve injuries were 8, 2, and 2 cases respectively. There were a case of superficial pin tract infection in group I, three cases of superficial pin tract infection and a case of iatrogenic ulnar nerve injury in group II. At final follow-up, clinical results were excellent or good in all cases and there were 5 cases (8.3%) of fair results in group II radiologically. Closed reduction with pin leverage technique were failed in 5 cases.
CONCLUSION
In treatment of Gartland type III fractures, pin leverage reduction technique is considered to be a good alternative prior to open reduction, because it provides shortened length of operation, avoidance of forceful manipulation and open reduction.

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Recent Trends in Treatment of Supracondylar Fracture of Distal Humerus in Children
Soon Chul Lee, Jong Sup Shim
Journal of the Korean Fracture Society.2012; 25(1): 82. CrossRef

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Insufficiency Fractures of the Femoral Shaft Associated with Osteoporosis: Hae Seok Koh, Yong Koo Kang, Han Yong Lee, Kee Won Rhyu, Joo Hyoun Song, Jin Young Jeong, Eun Seong Song; J Korean Fract Soc 2004;17(1):19-24. Published online January 31, 2004; DOI: https://doi.org/10.12671/jkfs.2004.17.1.19

Abstract PDF

PURPOSE
To present a clinical experience of the insufficiency fractures of the femoral shaft associated with osteoporosis MATERIALS AND METHODS: From January 1995 to December 2002, four patients (8 cases, four females) more than 1-year follow up were reviewed retrospectively. The mean age was 61 years (range, 55 to 73). Medical records and roentgenograms were reviewed.
RESULTS
The fractures were bilateral. Plain film revealed fracture line in six among seven cases excluding 1 displaced fracture at initial presentation. All cases presented osteoporosis, anterolateral bowing of the femur, and hot spot in bone scan. Five cases (four displaced, one impending displaced fracture) underwent interlocking intramedullary nailing and all five of them manifested no evidence of delayed union. The preoperative thigh and knee joint pain improved postoperatively.
CONCLUSION
Femoral shaft insufficiency fracture could occur rarely in patients with anterolateral bowing of the femur and postmenopausal osteoporosis. Careful history taking, radiography and bone scan are necessary, and bone scan is helpful for early diagnosis. Once diagnosed as the insufficiency fracture with fracture-related symptoms, prophylactic nailing may be necessary lest complete displaced fracture should occur.

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Research on the Coverage Expansion and Optimization Strategy of Unemployment Insurance System Based on the Comparison between China and Britain
Ruolan Xiao, M. Md Husin
SHS Web of Conferences.2024; 193: 01039. CrossRef
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
Femoral Shaft Fracture of a Middle-aged Male Adult during Playing Baseball
Ho-Seung Jeon, Young-Kyun Woo, Seok-Ha Hwang, Seung-Pyo Seo, Ho-Won Jeong, Sung-Tae Lim
The Korean Journal of Sports Medicine.2017; 35(1): 57. CrossRef
Surgical Treatment of Atypical Femoral Fracture
Kyung-Jae Lee, Yong-Wook Kwon, Yong Chan Ha, Young-Kyun Lee, Beom-Soo Kim, Byung-Woo Min
Journal of the Korean Orthopaedic Association.2013; 48(3): 185. CrossRef
Letter: Repeated Metal Breakage in a Femoral Shaft Fracture with Lateral Bowing - A Case Report -
Hae Seok Koh
Journal of the Korean Fracture Society.2012; 25(3): 240. CrossRef
Association of Low-energy Femoral Shaft Fractures and Bisphosphonate Use
Hae Seok Koh
Orthopedics.2012; 35(9): 736. CrossRef
Repetitive Insufficiency Fractures of the Femoral Shaft - A Case Report -
Ji-Hwan Kim, Young-Ho Cho, Young-Soo Byun, Jung-Hoon Shin, Chung-Yeol Lee, Tae-Gyun Kim
Journal of the Korean Fracture Society.2010; 23(1): 109. CrossRef

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The Effect of Platelet-Rich Plasma (PRP) on the Healing of Allograft for the Treatment of Segmental Bone Defect of the Ulna in Rabbits: Joo Hyun Song, Jinyoung Jeong, Yong Koo Kang, Han Yong Lee, Mun Ik Son, Sang Il Seo; J Korean Soc Fract 2003;16(3):416-422. Published online July 31, 2003; DOI: https://doi.org/10.12671/jksf.2003.16.3.416

Abstract PDF

PURPOSE
The purpose of this study was to evaluate the effect of Platelet-Rich Plasma (PRP) on the healing of the allograft for the treatment of the segmental bone defect of the ulna in Rabbits.
MATERIALS AND METHODS
About 2 cm-sized segmental bone defects were created on both ulna of twenty rabbits. The rabbits were divided into two groups, even and odd number group after numbering them from 1 to 20. The segmental bone from the odd numbered animal was transplanted to the even numbered animal, and the even numbered to the odd numbered. The left side of the ulna of the animal is grafted with a segmental allograft only. The right side of the ulna was grafted with a segmental allograft and 0.7 cc of PRP. Radiographs obtained at 0, 4, 8, and 12 weeks postoperatively were graded for radiologic union.
RESULTS
The use of the combination of PRP and segmental allograft demonstrated improved healing on radiolographic study compared with that demonstrated after use of allogrft alone.
CONCLUSION
The results of the study suggests that the use of the combination of PRP and segmental allograft can be considered as an alternative method to manage the segmental defect of the long bone.

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Effect of Different Bone Substitutes on the Concentration of Growth Factors in Platelet-rich Plasma
Hee Soon Cho, So-Young Park, Sukyoung Kim, Sang Keun Bae, Duk Seop Shin, Myun-Whan Ahn
Journal of Biomaterials Applications.2008; 22(6): 545. CrossRef

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Fracture of the Medial Epicondylar Apophysis of Distal Humerus with Subluxation of the Radial Head: A Case Report: Han Yong Lee, Kee Won Rhyu, Jin Young Jeong, Joo Hyoun Song, Hae Seok Koh, Yong Koo Kang, Mun Ik Sohn; J Korean Soc Fract 2003;16(2):304-307. Published online April 30, 2003; DOI: https://doi.org/10.12671/jksf.2003.16.2.304

Abstract PDF: It has been known that fracture of medial epicondylar apophysis of distal humerus may be isolated or associated with elbow dislocations. We have experienced a case which medial epicondylar fracture of the distal humerus was associated with subluxation of the radial head. Initially, we had tried reduction of subluxated radial head by closed method, but failed. Finally open reduction had been performed. At 6 month after open reduction, clinical and radiological result were excellent. As it is difficult for those associated injuries to occur simultaneously and the similar cases never have been reported yet, we would like to present this case with a review of the literature.

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Immediate hip spica cast application for femoral shaft fractures in children: Han Yong Lee, Kee Won Rhyu, Jin Young Chung, Mun Ik Sohn, Chang Ki Kim, Yong Koo Kang; J Korean Soc Fract 2003;16(1):91-97. Published online January 31, 2003; DOI: https://doi.org/10.12671/jksf.2003.16.1.91

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PURPOSE
To evaluate an efficacy of immediate closed reduction and hip spica casting in pediatric patients with femoral shaft fractures.
MATERIALS AND METHODS
27 cases of 27 pediatric patients who had been treated conservatively for the femoral shaft fractures under 10 years of age were retrospectively reviewed. The cases with serious associated injuries were excluded. The hospital stay, duration of traction and hip spica cast, frequencies of plain radiographs, clinical and radiological outcomes at the final follow-up, and financial aspects were evaluated comparatively between the groups of immediate hip spica casting(12 cases) and traction-casting(15 cases).
RESULTS
The patients treated with immediate hip spica casting had a mean hospital stay of 7.8 days, compared with a mean of 25.8 days for those treated with traction and casting. The mean duration of immobilization were 44.2 days in the group of immediate hip spica casting, and 65.1 days in the group of traction and casting. The radiologic examinations were performed 2 times and 6.9 times respectively. The clinical and radiological outcomes at the final follow-up were good in both groups. Insignificant leg length discrepancies were seen in 3 cases each group. The total charges of traction and casting was 2.4 times higher than that of immediate hip spica casting.
CONCLUSION
The immediate hip spica casting seems to be an effective method of treatment in femoral shaft fractures without serious associated injuries under 10 years of age because there are several advantages such as satisfactory result, shortened hospitalization and immobilization, reduction of total charges, and lowered the risk of radiologic exposures.

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Stiff Knee by Entrapment of Quadriceps Femoris Tendon at Fracture Site in Paediatric Distal Femur Shaft Fracture
Suk Kang, Jong Pil Kim, Chung Soo Hwang, Phil Hyun Chung, Young Sung Kim, Sang Ho Lee, Jin Wook Chung
Journal of the Korean Fracture Society.2007; 20(4): 339. CrossRef

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A comparison of fixation with Ender nail and sliding screw plate in intertrochanteric fractures of elderly patients: Joo Hyoun Song, Yong Koo Kang, Han Yong Lee, Hae Seok Koh, Kee Won Rhyu, Kwang Won Lee; J Korean Soc Fract 1999;12(2):203-211. Published online April 30, 1999; DOI: https://doi.org/10.12671/jksf.1999.12.2.203

Abstract PDF: In order to investigate the correlation between morbidity of the elderly patients and method of fixation, we analyzed 39 elderly patients had undergone internal fixation with Ender nail or sliding screw plate for the intertrochanteric fractures of the femur from January 1992 through December 1995. Among the 39 patients, 20 patients and 20 fractures were treated with Ender nail. Mean follow-up period was 26 months and average in age was 76.2 years Remaining 19 patients, 19 fractures were treated with sliding screw plate Mean follow-up period was 25 months and average in age was 75.4 years. The results obtained were as follows : 1. In the cases where Ender nails were used, the average operation time took in the average of 45 minutes and whereby, in the cases where sliding screw plates were used, took in the average of 110 minutes. 2. During the operation time, the amount of hemorrhage in the cases of Ender nail was about 100ml and the sliding screw plate resulted in about 350 ml. And the average amount of transfusion was 0.9 pints in cases of Ender nail and 2.3 pints in cases of sliding screw plate. 3. Among 20 patients fixed with Ender nail, only 2 patients had to be cared at ICU, but 9 of 19 patients had to be cared at ICU in the cases of sliding screw plates. 4. In the cases of Ender nail, the radiologic bony union time was about 13.4 weeks and they could walk with supports with in a week. But, in the cases of sliding screw plate the radiologic bony union time was about 16.2 weeks and they could walk with orthrosis at 28.4 days postoperatively. 5. Most patients treated with Ender nail were suffered from the problem at knee and protrusion of Ender nail into the hip joint, backing out of nail through the entry, coxa valga deformity were major complications after the operation. In the cases of sliding screw plates, loosening of sliding screw with coxa vara deformity, wound infection and delayed union were major complications. 6. Despite of many complications, if the indication is chosen well, the fixation with Ender nail will result in a benefical treatment method in the elderly patients for its advantages in general condition of the patients.

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The Treatment of Tarsometatarsal Fracture-Dislocation: Han Yong Lee, Yong Koo Kang, Bae Seok Koh, Kee Won Rhyu, Jong UK Yhu; J Korean Soc Fract 1996;9(1):205-211. Published online January 31, 1996; DOI: https://doi.org/10.12671/jksf.1996.9.1.205

Abstract PDF: In order to analyze the value of various methods of treatment and to recognize the prognostic factors for tarsometatarsal fracture-dislocation, 16 patients(17 cases) were reviewed. The average follow up was 21 months(range 12 months to 36 months). All cases were classified radiologically by Hardcastles method. There were 3 cases in type A, 12 cases in type B, and 2 cases in type C. Ten cases were treated with open reduction and internal fixation, seven cases were treated with closed reduction and percutaneous pinning. Functional results were evaluated with Hardcastles criteria, 6 had good results and 11 fair. In ten cases treated with open reduction, 3(30%) had good results and 7(70%) fair, whereas 2(28.6%) had good result and 5(71.4%) fair in seven cases treated with closed reduction. When the results were assessed according to the type of injury,6(50%) had good results and 6(50%) fair in type B, whereas all cases had fair results in type A and C. In conclusion, larsornetatarsal fracture-dislocation was more frequently seen in active adult males and associated with other injuries. The anatomic reduction and its maintenance seem to lead to the good results. It was thought that prognosis after anatomic reduction might be dependent on the type of injury.

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