Journal of Musculoskeletal Trauma

Jae Won You

10 Articles

Treatment of the Trimalleolar Fracture Using Posterolateral Approach: Minimum 2-year Follow Up Results: Gwang Chul Lee, Jun Young Lee, Sang Ho Ha, Jae Won You, Sang Hong Lee, Hong Moon Sohn, Ki Young Nam, Kwang Hyo Seo; J Korean Fract Soc 2011;24(4):328-334. Published online October 31, 2011; DOI: https://doi.org/10.12671/jkfs.2011.24.4.328

PURPOSE
To analyze the long term follow up results of treatment with posterolateral approach and to investigate its usefulness in the patients of trimalleolar fracture with posterior fragment which is above 25% of articular involvement.
MATERIALS AND METHODS
There were 34 cases of trimalleolar fracture in our hospital from May 2004 to April 2008. We investigated 20 patients who underwent operation with the posterolateral approach and over-2 years follow up cases. The mean follow up period was 34 (24~58) months. Preoperative posterior malleolar fragment involved above 25% of articular surface in all cases and displaced more than 2 mm in 11 cases. We analyzed the radiologic type of posterior malleolar fragments and evaluated the function and pain through AOFAS score and complications.
RESULTS
All cases showed primary union at mean 13.1 weeks. The complications are that partial ankylosis result of soft tissue contracture is seen in 2 cases (10%) and post-traumatic arthritis is seen in 1 cases (5%) and 17 cases (85%) of all patients are showed excellent AOFAS score.
CONCLUSION
The posterolateral approach is a valuable method because that it enables us to easily reduction and internal fixation of the posterior malleolus and lateral malleolus at one time and the results are satisfied for a long time follow up.

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Outcomes of Immediate Operative Treatment of Ankle Trimalleolar Open Fractures
Jun-Young Lee, Yong-Jin Cho, Sin-Wook Kang, Yung-Min Cho, Hyun-Bai Choi
Journal of Korean Foot and Ankle Society.2020; 24(1): 25. CrossRef

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Treatment of High-energy Distal Tibia Intraarticular Fractures with Two-staged Delayed Minimal Invasive Plate Osteosynthesis: Hong Moon Sohn, Jun Young Lee, Sang Ho Ha, Jae Won You, Sang Hong Lee, Kwang Chul Lee; J Korean Fract Soc 2007;20(1):19-25. Published online January 31, 2007; DOI: https://doi.org/10.12671/jkfs.2007.20.1.19

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PURPOSE
To evaluate the short-term results of two-staged delayed minimal invasive plate osteosynthesis in high-energy intraarticular fractures of the distal tibia.
MATERIALS AND METHODS
Thirteen patients, who underwent two-staged delayed minimal invasive plate osteosynthesis for intraarticular fractures of the distal tibia between January 2002 and July 2004, were followed for more than one year. The mean interval time between first stage and second stage of the procedures was 28.6 days (range, 14~34 days). By Ruedi-Allgower classification, there were two cases in type I, three cases in type II, and eight cases in type III. There were six cases in type B and seven cases in type C patients according to AO/OTA classification. Radiographs were graded by the criteria of Burwell and Charnley and ankle functions were graded by the criteria of Mast and Teipner. Union time and postoperative complications were also analysed.
RESULTS
Average union time was 16.9 weeks (range, 14~20 weeks) in twelve of the thirteen fractures, but there was one fracture resulting in soft tissue complication and infected nonunion. At the latest follow-up, review of the radiographic results showed that ten cases of fractures (77%) achieved an anatomic reduction, two cases (15%) achieved fair reduction and one case (8%) achieved a poor reduction. And clinical functional assessment showed that nine cases (69%) were good results, three cases were (23%) fair results and one case (8%) was poor result.
CONCLUSION
Two-staged delayed minimal invasive plate osteosynthesis is an excellent option for the treatment of high-energy intraarticular fractures of the distal tibia.

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Staged Minimally Invasive Plate Osteosynthesis of Distal Tibial Fractures
Sung-Ki Park, Chang-Wug Oh, Jong-Keon Oh, Kyung-Hoon Kim, Woo-Kie Min, Byung-Chul Park, Won-Ju Jeong, Joo-Chul Ihn
Journal of the Korean Fracture Society.2010; 23(3): 289. CrossRef
The Comparison of Minimally Invasive Plate Osteosynthesis and Intramedullary Nailing in the Treatment of the Proximal and Distal Tibia Fracture
Joon Soon Kang, Seung Rim Park, Sang Rim Kim, Yong Geun Park, Jae Ho Jung, Sung Wook Choi
Journal of the Korean Fracture Society.2010; 23(2): 172. CrossRef
Two-staged Delayed Minimally Invasive Percutaneous Plate Osteosynthesis for Distal Tibial Open Fractures
Jung Hwan Yang, Seok Hyun Kweon, Jeung Woo Kim, Jin Young Park, Hyun Jun Kim, Chul Min Lim
Journal of the Korean Fracture Society.2008; 21(1): 24. CrossRef

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Operative treatment of humeral shaft fracture: Comparision of plate fuation and intramedullary nailing: Sang Ho Ha, Jae Won You, Sang Hong Lee, Dong Min Shin, Young Bae Pyo, Byoung Ho Lee, Min Hyok Choi; J Korean Soc Fract 1999;12(3):712-719. Published online July 31, 1999; DOI: https://doi.org/10.12671/jksf.1999.12.3.712

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PURPOSE
Examine a humeral shaft fracture which had been treated with a plate and screw fixation or intramedullary nailing and compare these two methods with each other according to clinical and radiologic results and access the clinical avaliablity.
MATERIALS AND METHODS
Take 116 cases of humeral shaft fracture which had been treated with plate and screw fixation(73 cases) or intramedullary nailing(43 cases) and compare these two methods with each other according to bone union time, average operation time and nonunion rate.
RESULTS
Bony union in plate fixation was achieved 1.2 weeks earlier than intramedullary nailing(P>0.05). The average time of operation in intramedullary nailing was 58 minutes, which was shorter than that in plate fixation(P<0.05). The prevalence of nonunion was higher in intramedullary nailing than that in plate fixation, which was thought due to the fanning relaxation, fracture site distraction and/or inappropriate operative technique. Limitation of shoulder motion occasionally occurred in intramedullary nailing, so approriate device selection and surgical technique should be considered.
CONCLUSIONS
We concluded that the results of interlocking IM nailing were not superior to the results of plate fixation. But it is an attractive technique for the rapid closed stabilization of polytrauma patients and segmental and communited fractures.

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Clinical and Radiographical Follow-up for Residual Displacement of Fracture Fragments after Interlocking Intramedullary Nailing in Humeral Shaft Fractures
Jae-Kwang Yum, Dong-Ju Lim, Eui-Yub Jung, Su-Een Sohn
The Journal of the Korean Shoulder and Elbow Society.2013; 16(2): 107. CrossRef

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Biomechanical Evaluation on Hooks Pattern of the Posterior Constructs in an Unstable Burst Fracture Model: Jae Won You, Tae Hong Lim; J Korean Soc Fract 1998;11(2):337-344. Published online April 30, 1998; DOI: https://doi.org/10.12671/jksf.1998.11.2.337

Abstract PDF: We prefer the posterior instrumentation system for the surgical treatment of the unstable burst fractures of the thoracolumbar spine. We are usually using a hooks pattern with posterior instrumentation, when we can not use a pedicle screw instrumentation in the case of an one stage operation of anterior decompression and posterior stabilization or injury of osteoporotic spine. The purpose of this study was designed to compare biomechanical flexibilities of posterior instrumentation constructs provided by hooks pattern in an unstable calf spine model. Ten fresh frozen calf spines (T10-L4) were used for this study with an anterior and middle column defect and loaded with pure unconstrained moments in flexion, extension, axial rotation, and lateral bending directions. Testing was performed on intact specimens first and then each specimens after laminar hooks insertion and ISOLA posterior implants and any kind of graft materials or transfixation devices were not used to make the worst possible case of instability of an injured spine. Three different fixation methods were instrumented. These included: (1) 2 hooks 2 levels above and 2 levels below corpectomy site in distraction modes bilaterally, (2) 2 levels above and 2 levels below hooks with one rod in distraction and the another rod in compression modes, (3) 2 levels above and 2 levels below hooks with claw hook configuration bilaterally. The results were as follows; 1. At the level of corpectomy site, the group I significantly reduced the motion in flexion and lateral bending (p<0.001), but not in extension as compared to the intact specimen. The group I provided significantly less stabilization than other fixation methods in all motions (p<0.01). The group II and III significantly reduced the motions in flexion, extension, and lateral bending as compared to the intact specimen (p<0.001). Axial rotational motions of all fixation constructs were significantly larger than the intact specimens (p<0.001), and the group I showed greater axial rotational motion than the groups II and III (p<0.001). 2. At the level below corpectomy site, all fixation methods showed the reduced motion significantly in all loading modes and the stabilization was similar with each other. 3. At the level above corpectomy site, all tested fixation methods did not improve the axial rotational stability beyond the intact case, but reduced flexion, extension, and lateral bending motions significantly(p<0.001). In conclusion, the hooks pattern construct in distraction modes is least stable at the corpectomy and above corpectomy sites. It was showed similar stabilizing effect between the claw and compression-distraction configuration. when using hooks, the hooks should be placed in either the claw or compression-distraction configuration.

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Conservative Treatment of Scapular Fractures: Jae Won You, Hyun Jung Yoon; J Korean Soc Fract 1994;7(2):364-370. Published online November 30, 1994; DOI: https://doi.org/10.12671/jksf.1994.7.2.364

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Fracture of the scapula is relatively uncommon injuries. It is often caused by violent direct trauma and associated injuries of the shoulder and thorax are very common. The purpose of this study is to evaluate the clinical results and the complications of the conservative treatment on the scapular fracture. We reviewed 42 cases of the scapular fracture treated conseuatively from 1987 to 1993. The follow up period ranged 14 to 30 months. The results were as follows. 1. The most common cause was traffic accident(30 out of 42 cases), especially pedestrian(15 cases). 2. Mostly associated injuries were ipsilateral clavicle fractures(25%), rib fractures(22.5%), humerus fractures(20%), hemopneumothorax(20%), brachial plexus injuries(20%), and head trauma(20%). 3. According to the classification by Ada and Miller, the neck fracture was most common(36.5%). 4. According to the criteria of functional result by Hardegger et al, excellent and good results are 80.9%(34 out of 42 cases). 5. The complications were the limited range of motion(3 cases), shoulder pain(2 cases), brachial plexus injury(2 cases), and malunion(2 cases). 6. In most cases of conservative treatment, we obtained satisfactory results but we think that the more active surgical treatment will be necessary in the cases of the intraarticular glenoid fracture, the combined fractures, the floating shoulder, and the double disruption of superior suspensory shoulder complex, especially in the active age.

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Clinical Results of Lateral-Posterior Internal Fixation for the Treatment of Scapular Body Fractures
Yoon-Min Lee, Joo-Dong Yeo, Seok-Whan Song
Journal of the Korean Orthopaedic Association.2020; 55(1): 46. CrossRef

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Comparison of Crosse-Kempfs versus Brookers Interlocked Nailing for the Tibial Fracture: Jae Won You, Byoung Bo Lee, Jin Suk Park; J Korean Soc Fract 1994;7(2):490-500. Published online November 30, 1994; DOI: https://doi.org/10.12671/jksf.1994.7.2.490

Abstract PDF: Recently, Intramedullary nailing has become the most common method treating tibial fractures. Various patterns of intramedullary nails are now being developed and using. The purpose of this study is to compare the clinical results, merits and defects of Blocker interlocked nails with Grosse-Kempf(G-K) interlocked nails and to recommend the appropriate nail according to the type and location of the tibial fracture. The authors analysed 62 cases(G-K nail, 34cases; Brooker nail, 28 cases) of tibial fractures which were treated at Chosun university hospital and Sun Cheon hospital between 1991 and 1993. The results were as follows; 1. The average operation time was 62 minutes for G-K interlocked nailing and 35 minutes for Brooker interlocked nailing. 2. In segmental fractures involving the proximal shaft or in proximal shaft fractures, all cases treated with a C-K nail had good results, but 3 of the 8 cases treated with Blocker nail showed angular deformity. 3. In distal shaft fractures, especially fractures with poor soft tissue coverage or within 6cm of the distal tibial end, it was difficult to insert the two distal locking screws of the G-K nail. 4. The complications associated with G-K nails were deep infection(2 cases), nonunion(1 case), loosening and breakage of locking screw(3 cases), and limitation of knee motion(3 cases). The Complications associated with Brooker nails were deep infection(1 case), uonunion(1 case), loosening and breakage of locking screw(2 cases), limitation of knee motion(2 cases), and angular deformity(3 cases). 5. According to Klemm and Boner criteria for functional result, 88% of G-K nail and 89% of Brooker nail fell into good or excellent categories. In conclusion, we recommend G-K nailing in segmental fractures involving the proximal shaft or proximal shaft fractures and the Brooker nailing in distal shaft fractures.

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Treatment for the unicondylar fractures of the distal femur: Dong Min Shin, Sang Ho Ha, Jae Won You, Sang Hong Lee, Young bae Pyo, Min Heo Heo; J Korean Soc Fract 1993;6(2):271-278. Published online November 30, 1993; DOI: https://doi.org/10.12671/jksf.1993.6.2.271

Abstract PDF: No abstract available.

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Treatment of the Tibia Fractures with Unreamed Intramedullary Interlocking Nailing: Jae Won You, Dong Min Shin, Young Bne Pyo; J Korean Soc Fract 1992;5(2):282-288. Published online November 30, 1992; DOI: https://doi.org/10.12671/jksf.1992.5.2.282

Abstract PDF: The intramedullary interlocking nailing for the fractured tibia has been used in selected cases of fresh diaphyseal fracture, but the indication has been expended considerably with modern technical improvement. The authors analyzed 28 cases of fresh fractures of the tibia, who were treated with unlearned intramedullary interlocking nailing in out hospital between May 1990 to Oct. 1991, average follow-up was 12 months ranged from 8 to 22 months and we obtained the following results. 1. The most common causes of the injury were traffic accident(19 cases). 2. Mostly associated injury was ipsilateral fibular fracture(24 cases). 3. We used unlearned intramedullary interlocking nail in all cases and dynamic and static interlocking were done in 12 cases and 16 cases respectively. 4. The average bony union was demonstrated radiographlcally at 16 weeks. 5. The complications were deep infection(1 case), delayed union(2 cases), angular deformity (4 cases), superficial infection(3 cases), limitation of knee joint ROM(3 cases) and shorte ning of leg length(2 cases). 6. In case of the treated for method of unlearned nailing, it is not difficut to insert the nail, and we obtained good bony union, decresed operation time and bleeding. The authors concluded that unlearned intramedullary interlocking nailing is useful method to treat the tibla fracture.

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Surgical treatment of olecranon fracture: Sang Ho Ha, Jae Won You, Dong Min Shin, Young Bae Pyo, Byoung Ho Lee; J Korean Soc Fract 1991;4(2):320-325. Published online November 30, 1991; DOI: https://doi.org/10.12671/jksf.1991.4.2.320

Abstract PDF: No abstract available.

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Treatment of intertrochanteric fracture with ender nails over theage of 60 years old: Sang Ho Ha, Jae Won You, Sang Hong Lee, Young Bae Pyo, Yeon Seob Rowe; J Korean Soc Fract 1991;4(2):281-288. Published online November 30, 1991; DOI: https://doi.org/10.12671/jksf.1991.4.2.281

Abstract PDF: No abstract available.

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