Journal of Musculoskeletal Trauma

Sang Ho Lee

7 Articles

Unstable Intertrochanteric Fracture Treated with ITST: A Comparative Study between Groups with and without Comminution of Greater Trochanter: Kyung Sub Song, Sang Ho Lee, Seong Hun Jeong, Su Keon Lee, Sung Ha Hong; J Korean Fract Soc 2014;27(1):36-41. Published online January 31, 2014; DOI: https://doi.org/10.12671/jkfs.2014.27.1.36

Abstract PDF: PURPOSE
To evaluate whether the radiological and clinical results of treatment with intertrochanteric/subtrochanteric (ITST) nail on unstable intertrochanteric fractures are combined with comminution of the greater trochanter or not.
MATERIALS AND METHODS
We reviewed the results on 210 cases of unstable intertrochanteric fractures (grouped 88 patients with comminution of greater trochanter [GT] and 122 patients without comminution of GT) treated with ITST nail from January 2007 to October 2011, which was to be followed-up for more than 12 months.
RESULTS
The mean union time was 15.2 weeks in the study group (combined with comminution of GT). The mean union time was 14.7 weeks in control group (no comminution of GT). The lag screw sliding was 8.7 mm in the study group and 7.2 mm in the control group. Changes of neck-shaft angle was 4.2degrees in study group and 4.1degrees in control group. Tip-apex distance was 17.4 mm in study group and 16.4 mm in control group. The complications were 4 cases in each study group and control group. The clinical results checked by Skovron recovery scores decreased similarly in both groups, 73.7% in study group and 76.5% in control group. There were no significant differences in both groups according to radiological and clinical results.
CONCLUSION
The comminution of great trochanter does not affect on the radiological and clinical results when using the ITST nail of unstable intertrochanteric fractures.

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Usefulness of the Cementless Stem for the Treatment of Hip Fracture in Elderly Patients with Osteoporosis: Comparative Analysis between Cementless Stem and Cemented Stem: Joon Soon Kang, Kyoung Ho Moon, Rhu Seop Kim, Sang Ho Lee, Jong Min Choi; J Korean Fract Soc 2011;24(1):16-22. Published online January 31, 2011; DOI: https://doi.org/10.12671/jkfs.2011.24.1.16

Abstract PDF: PURPOSE
We evaluated the usefulness of the cementless stem in treating hip fracture patients older than 70.
MATERIALS AND METHODS
We studied elderly osteoporotic hip fractures in the neck and intertrochanter area who had received hip arthroplasty with over 2 years of follow up period. Among those, we analyzed the clinical and radiological results of hip arthroplasty with cemented stem (group 1) and hip arthroplasty with cementless stem (group 2). Each group was consists of fifty hips.
RESULTS
The mean age at surgery was 75 years and mean follow-up period was 40 months (minimum 24 months). The admission period was 28.68+/-8.8 days for group 1 and 28.05+/-8.7 days for group 2 (p>0.05) and the average operation time was 87+/-21.2 minutes, and 80+/-17 minutes (p>0.05) and the total blood loss was 611+/-141.3 cc and 557+/-120.5 cc (p>0.05) respectively. There was no statistically significant difference in all aspects. One case of pulmonary embolism occurred in group 1. Stem loosening was not observed in both groups at the last follow-up radiologic study.
CONCLUSION
The hip arthroplasty with cementless stem for the osteoporotic hip fractures showed a competent results clinically and radiologically in short term follow up as compared with the cemented stem.

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Treatment of Subtrochanteric Femur Fractures Using Intramedullary Devices: Chung Soo Hwang, Phil Hyun Chung, Suk Kang, Jong Pil Kim, Young Sung Kim, Chong Suk Park, Sang Ho Lee; J Korean Fract Soc 2008;21(1):13-18. Published online January 31, 2008; DOI: https://doi.org/10.12671/jkfs.2008.21.1.13

Abstract PDF

PURPOSE
The purpose of this study is to compare the result between closed reduction and minimal open reduction in case of difficult reduction for subtrochanteric fractures fixed with intramedullary nail.
MATERIALS AND METHODS
From Jan. 2001 to May 2005, 35 cases of subtrochanteric femur fracture treated by intramedullary nail and followed up for more than a year were selected out of 42 subtrochanteric femur fractures. Fielding classification and Russel-Taylor classification were used, and according to the fracture classification and method of reduction, the patients were grouped into closed or open reduction group. Fracture with minimal displacement or anatomical reduction was fixed by closed reduction, but in case of failed closed reduction or loss of reduction, minimal incision was made for open reduction and internal fixation, and the result between two groups were compared.
RESULTS
In total of 35 cases, 15 cases were fixed by closed reduction and the rest 20 cases required open reduction. Operation time, amount of transfusion, total hospital days, partial weight bearing ambulation, and union time did not show significant differences between two groups. Ambulation and range of motion after the operation were satisfying in both groups.
CONCLUSION
In treatment of subtrochanteric femur fracture with intramedullary nail, both closed and open reduction shows satisfying result, therefore when anatomical reduction is difficult to achiev by closed reduction, minimal incision open reduction and additional fixation is strongly recommended to obtain anatomical reduction and firm fixation.

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Factors Affecting Time to Bony Union of Femoral Subtrochanteric Fractures Treated with Intramedullary Devices
Jung-Yoon Choi, Yerl-Bo Sung, Jin-Hee Yoo, Sung-Jae Chung
Hip & Pelvis.2014; 26(2): 107. CrossRef
Fixation of the Femoral Subtrochanteric Fracture with Minimally Invasive Reduction Techniques
Chul-Hyun Park, Chul-Wung Ha, Sang-Jin Park, Min-Su Ko, Oog-Jin Shon
Journal of the Korean Fracture Society.2013; 26(2): 112. CrossRef
Treatment of Subtrochanteric Nonunion with a Blade Plate
Youn-Soo Park, Jin-Hong Kim, Kyung-Jea Woo, Seung-Jae Lim
Journal of the Korean Orthopaedic Association.2011; 46(1): 42. CrossRef

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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; J Korean Fract Soc 2007;20(4):339-344. Published online October 31, 2007; DOI: https://doi.org/10.12671/jkfs.2007.20.4.339

Abstract PDF: The complications following paediatric femur fracture are leg length discrepancy, angulation deformity, rotational deformity, ischemic limb. But, stiff knee is rarely expressed after trauma like paediatric femur fracture. We report a case of stiff knee due to entrapment of quadriceps femoris tendon at displaced fracture site after conservative treatment by Russel traction and hip spica cast in paediatric femur fracture. We treated successfully by resection of distal end of proximal segment of femur and release of quadriceps femoris tendon for flexion contracture of the knee.

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The Efficacy of the Treatment of Thoracolumbar Spine Fractures with Short-segment Posterior Instrumentation and Fusion: Hwa Yeop Na, Joon Cheol Choi, Jun Won Choi, Sang Ho Lee, Young Sang Lee, Woo Sung Kim, Sang Yoon Lee, Jong Won Won, Sang Ho Han; J Korean Fract Soc 2006;19(2):241-246. Published online April 30, 2006; DOI: https://doi.org/10.12671/jkfs.2006.19.2.241

Abstract

PURPOSE
To evaluate the safety and usefulness of the short-segment posterior instrumentation and fusion in the treatment of thoracolumbar spine fractures.
MATERIALS AND METHODS
Forty-two patients were treated by short-segment pedicle screw instrumentation and fusion between Oct. 1998. and Jan. 2004 by single surgeon. All patients were treated posteriorly and all the pedicle screws are monoaxial. Intraoperative rod bending and fixation technique was used to reduce the collapsed vertebral body and correct the kyphotic angle. The follow up duration is mean 2.1 year (1~6 year). The mean age is 40.2 year (18~60 year) old. The fractures were classified by Denis' classification and Load-Sharing Classification. Preoperative and postoperative changes of kyphotic angle and vertebral body height were measured. Denis' Pain Score and Work scales, Frankel neurologic grade were obtained during follow-up evaluation for patients.
RESULTS
All the cases got solid bony union. Mean Load-Sharing Score was 7.3. Clinical results were good. The mean kyphotic angle was preoperatively 14.5 degree, immediate postoperatively 7.5 degree, and last follow up 9.2 degree. The mean anterior vertebral heights s were 60.8% preoperatively, 83.4% immediate postoperatively, and 79.5% last follow up. There was only one case of screw breakage but no revision operation due to loss of reduction. All the cases showed satisfactory clinical results.
CONCLUSION
This study suggest that short-segment instrumentation and fusion using pedicle screw system for thoracolumbar spine fractures could lead to good results, if comminution of vertebral body is considered in the selection of approach.

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Comparison of Percutaneous versus Open Pedicle Screw Fixation for Treating Unstable Thoracolumbar Fractures
Jin Young Han, Ki Youn Kwon
Journal of the Korean Fracture Society.2020; 33(1): 1. CrossRef

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Surgical Treatment of Type II distal clavicle end Fracture: Phil Hyun Chung, Suk Kang, Dong Joo Chae, Jong Pil Kim, Sang Ho Lee; J Korean Soc Fract 2002;15(2):106-113. Published online April 30, 2002; DOI: https://doi.org/10.12671/jksf.2002.15.2.106

Abstract PDF: PURPOSE
Many authors have supported open reduction and internal fixation of type II distal clavicle fractures because of high rates of nonunion and delayed union after conservative treatment. Authors analyzed thirty-nine cases of type II distal clavicle fractures which had been treated operatively and reviewed the result of operative treatment retrospectively.
MATERIALS AND METHODS
We evaluated 39 unstable distal 1/3 clavicular fractures with operative treatment from May 1992 to December 1999 and followed up for at least 1 year. According to the classification of Rockwood, type IIa was 28cases and IIb was 11 cases. We treated all the cases by open reduction, such as transacromial pin fixation in 27 cases, and plate and screws with or without bone graft in 12 cases. The operative method was chosen in operative field.
RESULT
We analyzed the results in term of the time to radiologic union, functional evaluation, and complications. Average time to union was 8.5 weeks in the cases of transacromial pin fixation and 12.7 weeks in the cases using plate and screws with or without bone graft. Functional results was evaluated by classification of functional results by Kona et al. In cases of transacromial pin fixation, excellent result was 13 cases and good was 14 cases. In cases of plate and screws, excellent result was 4 cases, good 6 cases, fair 1 case, and poor was 1 case. The complications of transacromial pin fixation were 4 cases of pin site infection and 1 case of pin migration. But, neither nonunion nor deep infection was appeared. The complication of plate and screws was 2 cases of metal failure in which were fixated by only two cortical screws on distal fragment.
CONCLUSION
We concluded that minimal open reduction and transacromial pin fixation is thought to be good method in treatment of distal 1/3 clavicular fracture in regard to the time to union, functional results, and complications.

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Comparison between Interlocking IM Nail and Ender Nail in the Treatment of Shaft Fracture of the Tibia: Dong Chul Lee, Sang Ho Lee, Se Dong Kim; J Korean Soc Fract 1995;8(4):830-840. Published online October 31, 1995; DOI: https://doi.org/10.12671/jksf.1995.8.4.830

Abstract PDF: The shaft of tibia is prone to the open wounds owing to the subcutaneous location and poor muscular envelope. The open wounds frequently result in the severe complications and major disabilities, such as infection, delayed union and nonunion. The choice of treatment should be considered cautiously. The intramedullary fixation of the shaft has the advantage of early weight bearing as well as relative firm fixation. Sixty four cases of fracture of the tibia shaft were treated with interlocking IM nail(38 cases) or Ender nail(26 cases) from December 1985 to January 1993. 1. The most common causes of the tibia fracture were the pedestrian injury and motorcycle accident. 2. There was no difference in operation time between interlocking IM nail group and 5 weeks in Ender nail group. the average time of operation was about 70 minutes. 3. The mean time of cast support was 2.5 weeks in interlocking IM nail group and 5 weeks in Ender nail group. The mean duration of nonweight bearing was 7.6 weeks in interlocking IM nail group,9.2 weeks in Ender nail group. 4. The mean duration of bone union was 18.7 weeks in interlocking IM nail group,21.4 weeks in Ender nail group. The interlocking IM nail group seemed to obtain earlier bone union(2.5 weeks) than Ender nail group, but there was no significance in statistical analysis in the bone union time between two groups. 5. Angular deformities were found in 3 cases in interlocking IM nail group and 4 cases in Ender nail group, which occured in the communited fracture and both ends fracture of the tibia shaft, segmental fractures. Delayed union was also occured in 5 cases in Ender nail group and 3 cases in interlocking IM nail group.

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