Journal of Musculoskeletal Trauma

Churl Hong Chun

13 Articles

Complications of Femoral Peritrochanteric Fractures Treated with the Gamma Nail: Seok Hyun Kweon, Churl Hong Chun, Jung Hwan Yang, Jin Young Park, Kyu Hwan Bae; J Korean Fract Soc 2009;22(2):85-90. Published online April 30, 2009; DOI: https://doi.org/10.12671/jkfs.2009.22.2.85

PURPOSE
We analyzed the complications of femoral peritrochanteric fractures treated with the Gamma nail to reduce its complications.
MATERIALS AND METHODS
We evaluated the complications among the 96 patients who were treated with the Gamma nail from January 2000 to May 2005. Mean follow-up period was 17.8 months and mean age was 75.2 years. We analysed the relationship between the complication and the fracture pattern, postoperative reduction status, position of the lag screw, bone density, displacement and tip-apex index (TAD).
RESULTS
The complications were presented in 12 cases (12.5%). Cut-out of lag screw were in 5 cases, varus deformity with short lag screw in 2 cases, metal breakage of distal screw in 1 case, breakage of drill bit intraoperatively in 1 case, superficial infection in 2 cases and deep infection in 1 case. 5 cases (4.2%) were required reoperation. All of the cut-out of lag screw showed increased TAD (tip apex distance) above 25 mm.
CONCLUSION
To reduce the complications of the Gamma nail, we need exact surgical technique, good positioning of the lag screw and choice of appropriate length for the lag screw.

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Effectiveness of the Valgus Reduction Technique in Treatment of Intertrochanteric Fractures Using Proximal Femoral Nail Antirotation
Ji-Kang Park, Hyun-Chul Shon, Yong-Min Kim, Eui-Sung Choi, Dong-Soo Kim, Kyoung-Jin Park, Byung-Ki Cho, Jung-Kwon Cha, Sang-Woo Kang
Journal of the Korean Orthopaedic Association.2013; 48(6): 441. CrossRef

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Treatment of the Unstable Distal Radius Fracture with External Fixation and Bone Cement in Elderly Patients: Dong Chul Kim, Suc Hyun Kweon, Dae Moo Shim, Churl Hong Chun, Ha Heon Song, Jeung Woo Kim; J Korean Fract Soc 2006;19(3):352-356. Published online July 31, 2006; DOI: https://doi.org/10.12671/jkfs.2006.19.3.352

Abstract: PURPOSE
To evaluate the functional and radiologic results in the using of external fixation with bone cement (polymethylmethacrylate, PMMA) for unstable, osteoporotic distal radius fractures in elderly patients that have high morbidity and chronic medical problems.
MATERIALS AND METHODS
We retrospectively analyzed 12 cases of 12 patients who were treated by external fixation and bone cement for unstable distal radius fractures in the aged persons with poor general condition from January 2003 to July 2004 and followed over one year. We analyzed the radiologic results, and measured the ranges of motion and grip strengths. Functional results were evaluated using the Modified Mayo Wrist Scoring System.
RESULTS
Radiographically, mean volar tilt, mean radial inclination and mean radial length were 8.33o, 24.66 mm and 11.31o respectively on the last follow-up. The mean arc of range of motion was 74.4% of that the uninjured side, and the mean grip strength was 78.0% of that the contralateral side. The average Modified Mayo Wrist Score was 78.3. There were reflex sympathetic dystrophy in a case and pin tract infection in 3 cases as complications associated with external fixator.
CONCLUSION
External fixation and bone cement is useful method for radial length maintenance, preventing reduction loss, restoring the articular surface, early exercise of the wrist joint without morbidity of donor site for unstable distal radius fractures requiring autogenous bone graft in the elderly patients.

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Treatment of Nonunion of the Femur Shaft with Intramedullary Compression Nail: Churl Hong Chun, Ha Heon Song, Dae Ho Ha, Kyeong Jin Kim; J Korean Soc Fract 2001;14(1):8-15. Published online January 31, 2001; DOI: https://doi.org/10.12671/jksf.2001.14.1.8

Abstract PDF: PURPOSE
To evaluate the result and efficacy of nonunion of the femur shaft treated with interlocking compression nail without bone graft.
MATERIALS AND METHODS
From November, 1993 to January, 1999, l2 cases(11 patients) which have been diagnosed as nonunion of femur shaft fracture were treated with interlocking compression nail. Authors followed up and evaluated them about the clinical results, radiologic finding and complications at least 1 year.
RESULTS
All cases of nonunion occurred clinical and radiological complete bone union. The mean fracture union period was 25 weeks(19~36 weeks) and the mean interfragmental gap was improved from preoperative 6 mm(4~11 mm) to postoperative 1 mm(0.8~1.5 mm). Postoperative complication was the leg length discrepancy of 3 cases. Their average length is 1.1 cm. We thought that the length discrepancy came from initial severe communited fracture and could not find out any functional problems.
CONCLUSION
Interlocking compression nail for nonunion of the femur shaft seems to promote the fracture healing process without bone graft.

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The Combined Operative Treatment for Neglected Monteggia Fracture-Dislocation in Adolescent Period: Report of 2 cases: Churl Hong Chun, Sang Soo Kim, Jeong Min Yoo; J Korean Soc Fract 1998;11(4):964-969. Published online October 31, 1998; DOI: https://doi.org/10.12671/jksf.1998.11.4.964

Abstract PDF: There are various perative methods for the treatment of neglected Monteggia fracture-dislocation. ut, it is difficult to obtain good results by the onlyone operative method in the adolescent period. We reported two patients for the neglected Monteggia fracture-dislocation in adolescent period who were treated by the combined operative treatment. The combined operative method was, in regular sequence, the ulnar osteotomy, the fibrous tissus removed in the humeroradial joint, radial head reduction, Bell-Tawse annular-ligament reconstruction and fixating the radial head to the capitellum with the K-wire with neutral position. Finally, plate fixation in ulnar osteotomy site was done. After 3 weeks, we removed the K-wire and performed active ROM exercise. The clinical results were evaluated by Bruce scale at the follow-up 15 months and 53 months. The results were satisfactory without complications. So we canvass for this combined method about neglected Monteggia fracture-dislocation in adolescent period.

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Tibial Segmental Fracture Treated with Interlocking Intramedullary Nail: Churl Hong Chun, Byung Chang Lee, Gyu Taec Hwang, Soon Gu Kwon, Han Sol Lee; J Korean Soc Fract 1997;10(3):534-540. Published online July 31, 1997; DOI: https://doi.org/10.12671/jksf.1997.10.3.534

Abstract PDF

The orthopaedic surgeon experiences the difficulties of treating segmental tibial fractures by internal fixation and accompanying complications. OBJECT : The purpose of this study has been to review the useful treatment of 21 interlocking nails in the tibial segmental fracture, to investigate the union rate related to fracture types and to analyze the complications related to it. METERIAL and METHOD : Between November 1988 and August 1995, the authors treated tibial segmental fractures with interlocking intramedullary nail and analyzed 21 cases with followed up of more than 1 year. Injury mechanism were caused by traffic accident in which high velocity accounted for 17 cases. 11 cases of segmental tibial fracture were closed, and 10 cases were open. 6 cases of open fracture were open type 1, and 4 cases were open type II. We treated 21 fractures with unlearned intramedullary nail of 7 cases and limited reamed intramedullary nail of 14 cases.
RESULT
: Callus formation and consolidation were faster at the posterolateral aspect of the tibia than in anteromedial aspect. Radiologically complete union was faster in proximal portion at average 26.8 weeks than distal portion of segmental fracture at average 35.6 weeks. Complications included 2 cases of nonunion, 1 infection, 2 screw breakage and 2 ankle joint stiffness.
CONCLUSION
: We achieved excellent results using interlocking intramedullary nail by limited reaming or unlearned methoo in the tibial segmental fracture even though the injury was caused by high-velocity external force.

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Outcomes and Analysis of Factors Affecting Bone Union after Interlocking Intramedullary Nailing in Segmental Tibia Fractures
Sang Soo Park, Jun-Young Lee, Sang-Ho Ha, Sung-Hae Park
Journal of the Korean Fracture Society.2013; 26(4): 275. CrossRef

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Treatment of Comminuted Fracture of the Distal Humerus by New Y-Anatomical Plate: Churl Hong Chun, Sang Soe Kim, Sung Man Rowe, Eun Sun Moon, Myoung Churl Ko; J Korean Soc Fract 1996;9(4):1076-1084. Published online October 31, 1996; DOI: https://doi.org/10.12671/jksf.1996.9.4.1076

Abstract PDF: OBJECTIVES
The characteristics of comminuted fractures of the distal end of the humerus in adult are severe comminution of bony fragments, loss of bony continuity and displaced fragments by muscle action. The ideal treatment is to reestabilish a normal elbow-that is to reestablish the articular congruity. the alignment and early motion as soon as pessible. But no matter what treatment is used perfect results are seldom obtained. The purpose of this study is to analyze the clinical results of the new Y-Anatomical plate, which has well adaptable and more malleable characteristics for the fracture of the distal humerus. MATERIALS AND NLETHEDS: The fracture types of the distal humerus were 5 supracondylar and 12 intercondylar, which were classified according to the Riseborugh & Radin classification 4 type II, 2 type III and 6 type IV. The patients who have been treated by new Y-Anatomical plate from September 3992 to January 1995.
RESULTS
Fourteen of the 17 cases(81.2%) were considered acceptable results for a mean follow-up 26 months study according to the functional motion of the elbow by Cassebaum and criteriae by Jupiter J.B.etc. The patient who did exercise the elbow joint within two weeks from post-operation, gathered better results than other patients who did it after four weeks from post-operation. Complications are nonunion, ankylosing elbow and metal failure.
CONCLUSION
In the study reported here, new Y-Anatomical plate was sufficiently obtained the anatomical reduction with stable fixation, so it would allow early motion of the elbow joint to be possible and decrease the complication compared to Tri-radiate plates. Also the most important indicator of end result was the starting time of physiothmpy.

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Treatment with an Interlocking Nail for Ipsilateral Fracture of the Femur and Tibia: Sang Soo Kim, Churl Hong Chun, Dong Churl Kim, Sang Hoon Cha; J Korean Soc Fract 1996;9(3):541-546. Published online July 31, 1996; DOI: https://doi.org/10.12671/jksf.1996.9.3.541

Abstract PDF: Concomitant ipsilateral femoral and tibial fractures present a challenging therapeutic problem. They are generally caused by high-energy trauma, primarily motor-vehicle accidents, and the associated injuries frequently develop. Also the complications much as delayed union, non-union, malunion and stiffness of the knee are more prevalent in patients with this combination of fractures than in patients with an isolated femoral or tibial fractures. The interlocking nail system has many advantages about among the many treatment methods of isolated long bone fractures, but the surgical technique is very difficult at the concomitant ipsilateral femoral and tibial fractures. The purpose of this study has been to review the surgical technique and to grasp an easy reduction method at that fractures. We routinely perform the interlocking nail for the ipsilateral femoral and tibial fractures in order to promote early motion of the knee in 14 patients from 1989 to 1995. Local complications included 1 case of femoral metal failure, and 2 cases of nonunion treated by bone graft. At the last follow up examination, at an average of 13 months after injury, the mean range of motion of the knee was 130 degrees. Over-all, a good or excellent functional result was achieved in about 93% of the patients according to the criteria suggested by Karlstr m and Olerud. In conclusion, the best results were achieved when both fractures were stabilized surgically with the interlocking nail system.

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T-Plate Fixation of Unstable Fractures of the Distal Radins: Churl Hong Chun, Sang Soo Kim, Hak Sun Kim, Jeong Hyu Lee; J Korean Soc Fract 1996;9(2):295-302. Published online April 30, 1996; DOI: https://doi.org/10.12671/jksf.1996.9.2.295

Abstract PDF: In the treatment of Unstable fractures of the Distal Radius, selecting a right method of treatment that can give the best result is very difficult. Many complications can be developed if improper mothods are chosen o treat these fractures. We analyzed 25 patients with unstable fractures of the distal raduis, being treated with open reduction and internal fixation with T-plate from May 1986 to December in 1994 and, being followed for more than 12 months. The results were as follows; 1. In twenty-five patients, 17 cases were Cellosfractures, 2 cases Smith fractures and 6 cases Bartons fractures. 2. In follow-up roentgenogram, the mean values of the radial length, radial deviation, volar tilt and step-off are 18.8 mm,20.3 ,8 ,0.2mm respectively. 3. Recovery of wrist function was correlated with the degree of correction of volar tilt angle in the postoperative roentgenogram . 4. In 25 patients treated with open reduction and internal fixation using the T-plate, satisfactory result was obtained in 88% (22 cases) of patients, We concluded that this is the effective method for treating unstable fractures of the distal radius because this method permits early motion of the wrist by firm and stable fixation.

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Ipsilateral Momentary Fibular Transfer in an Large Tibia Defect Using Ring Fixator: A Case Report: Hak Sun Kim, Churl Hong Chun, Hye Jung Kim; J Korean Soc Fract 1996;9(1):220-224. Published online January 31, 1996; DOI: https://doi.org/10.12671/jksf.1996.9.1.220

Abstract PDF: Massive segmental bony defect in open tibial fractures are generally treated with conventional bone grafting, free vascularized fibular graft or ring fixator technique. There are corcumstance when conventional bone graft is not adequate. A vascularized fibular graft may be superior to conventional graft, but it is with ring fixator is alternative method. The procedure can be accomplished by transferring the osteotomized part of the fibula to the tibia by means of olive wires. There was a 20-year-old male patient with Gustilo type IIIc open tibial fracture. Soft tissue defect was severe and femoral angiogram was perfomed. Only tibialis posterior artery was patent and peroneal artery was partially damaged. Latissmus dorsi flap was performed for covering soft tissue defect. Since the only patent tibialis posterior artery was already used for latissmus dorsi flap, it was difficult to perform vascularized fibular graft. Also it was technically difficult for us to accomplish a gradual transport using ring fixator because the distal tibia was lost. Thus, the fibular transfer was performed immediately after the ring fixator was applied. Good bony union and fibular hypertophy were obtained even though these two procedure had been done simultaneously.

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The Treatment of Nonunion of Femoral Fractures with an Interlocking Nailing: Churl Hong Chun, Sang Soo Kim, Dong Churl Kim, Hee Jun Yoo; J Korean Soc Fract 1995;8(3):497-504. Published online July 31, 1995; DOI: https://doi.org/10.12671/jksf.1995.8.3.497

Abstract PDF

Nonunion of femoral fractures has continued to challenge orthopaedic surgeons. Interlocking nailing with reaming offers the advantages of stable fixation. adequate alignment, minimum shortening, good rotational control, early weight bearing without external support and high union rate. Between August 1988 and March 1993, 20 patients with nonunion of the femoral fractures were treated by an interlocking nailing with reaming. The types of primary treatment prior to nonunion were plate fixation in 10 patients, conventional intramedullary nailing in 9 patients and external fixation in 1 patient. The purpose of this study was to evaluate the causes of nonunion and analyze the results with interlocking nailing in the management of nonunion of femoral fractures. The radiological examination revealed that formation of the bridge callus took a mean of 3.5 months for the patients who received the plate and screw fixation. On the other hand. it took a mean of 2.4 months for the patients who were treated with conventional intramedullary nailing. When the two groups of patients were combined, it took a mean of 3.2 months. All patients were obtained the complete union in a mean time of 10.4 months after an interlocking nailing. Complications were 1 breakage of distal target screws. 1 pain near the entry of nail and 1 delayed union. Limb shortening was measured by roentgenoscanography and occurred in all patients but not clinically significant.

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Cause and Treatment of the Nonunion of Femoral Shaft Fracture after Interlocking Intramedullary Nailing
Sung-Soo Kim, Sung-Keun Sohn, Chul-Hong Kim, Myung-Jin Lee, Lih Wang
Journal of the Korean Fracture Society.2007; 20(2): 141. CrossRef

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The clavicular nonunion treated by internal fixation and bone graft: Churl Hong Chun, Sang Soo Kim, Dae Moo Shim, Byung Chang Lee, In Yong Choi; J Korean Soc Fract 1993;6(2):312-317. Published online November 30, 1993; DOI: https://doi.org/10.12671/jksf.1993.6.2.312

Abstract PDF

No abstract available.

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Intercalary Tricortical Iliac Bone Graft in the Surgical Treatment of Nonunion of Midshaft Clavicular Fractures
Chul Hyun Cho, Hyung Gyu Jang
Clinics in Shoulder and Elbow.2012; 15(1): 32. CrossRef

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Isolated fracture of the capitellum humeri, child two cases report: Churl Hong Chun, Kyu Taek Hwang, Young Ok Min; J Korean Soc Fract 1992;5(1):98-102. Published online May 31, 1992; DOI: https://doi.org/10.12671/jksf.1992.5.1.98

Abstract PDF: No abstract available.

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Treatment of tibial fractures by new tibial brooker interlocking nail system: Churl Hong Chun, Deug Man Cho, Young Ok Min, Seung Ki You; J Korean Soc Fract 1991;4(2):326-331. Published online November 30, 1991; DOI: https://doi.org/10.12671/jksf.1991.4.2.326

Abstract PDF: No abstract available.

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