Journal of Musculoskeletal Trauma

Scapholunate Dissociation Associated with Intra-articular Fractures of Distal Radius: Bon Seop Koo, Kyung Chul Kim, Hun Kyu Shin, Jin Heon Kwak; J Korean Soc Fract 2001;14(4):733-738. Published online October 31, 2001; DOI: https://doi.org/10.12671/jksf.2001.14.4.733

Abstract PDF: PURPOSE
The purpose of this study was to evaluate the risk factors in the occurrence of scapholunate dissociation in relation to the intra-articular fracture of distal radius.
MATERIALS AND METHODS
We performed a retrospective evaluation of 170 cases of the fractures. Average age was 52 years(range, 24-85 years). We reviewed both medical records and radiographic films and analyzed the data according to age, width of the medullary cavity of the third metacarpal bone and fracture morphology.
RESULTS
Nine cases(5.3%) of scapholunate dissociation, mean age of 56 years, all had widened medullary cavity, radial styloid process fracture with radial displacement, a vertical fracture line invading articular surface, depression of scaphoid facet(6 cases) and lunate facet(3 cases). Degree of fracture displacement was not significant.
CONCLUSION
In distal radius intra-articular fracture which occurred in old patient with widened metacarpal medulla and had a radially displaced radial styloid fracture, an articular surface involving vertical fracture line and a depression of scaphoid or lunate facet, we should be careful in the concurrence of scapholunate dissociation.

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The Angular Deformity of Interlocking Nailing in Tibial Fractures: Hwa Jae Jeong, Kyung Chul Kim, Jae Yeul Choi, Bon Seop Koo, Jung Hee Oh; J Korean Soc Fract 2000;13(4):905-911. Published online October 31, 2000; DOI: https://doi.org/10.12671/jksf.2000.13.4.905

Abstract PDF: PURPOSE
We studied the relationship between angular deformity and possibly contributing factors in the treatment of tibial fractures with interlocking nailing.
MATERIALS AND METHODS
Intramedullary nailing of the tibia was performed on 49 cases and were followed for the minimum of 12 months. We analyzed relationship between angular deformity and postoperative tibial alignment, operative technique and other factors.
RESULTS
Of the 49 cases, 19(38%) were angulated. Angular deformity was seen in 60%, 51.8% and 11.8% in the proximal, distal and middle third of tibial fractures respectively. With AO classification, Group A,B,C were angulated in 32.4%, 55.6%, 66.7%. In group A, 43.8% of spiral fractures, 28.6% of oblique fractures and 14.3% of transverse fractures were angulated. The cases combined with fibular fracture showed higher incidence of angular deformity than the cases with intact fibula. The opening of fracture and the nail insertion site were not significant to angular deformity.
CONCLUSION
Angular deformity of interlocking nailing in tibial fractures were more common in proximal, comminuted and spiral fractures. Precise attentions to operative technique i. e. accurate anatomical reduction and centromedullary nail orientation are recommended to prevent angular deformity. In proximal third tibial shaft fractures where muscles and patellar tendon has deforming force on fracture fragment, authors believe that use of interlocking nailing must be limited with fracture pattern.

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The Treatment of Femur Fractures in Neonates with a Pavlik Harness: Two Cases Report: Bon Seop Koo, Kyung Chul Kim, Ji Hyo Hwang; J Korean Soc Fract 2000;13(4):1033-1037. Published online October 31, 2000; DOI: https://doi.org/10.12671/jksf.2000.13.4.1033

Abstract PDF: Femur fractures during birth are very rare and the treatment of the fractures is variable. Pavlik harness is available in the treatment of the femur fractures in infants but any literature on the treatment of the birth fractures of femurs can not be found as far as we know. We experienced two cases of femur fractures in neonates treated with Pavlik harness and present them with a review of the literature.

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Bipolar Hemiarthroplasty for the Treatment of Displaced Femoral Neck Fracture in Elderly Patients: Uncemented versus Cemented femoral stems: Jae Yeul Choi, Kyung Chul Kim, Hwa Jae Jeong, Bon Seop Koo, Ho Joong Lee; J Korean Soc Fract 1999;12(2):195-202. Published online April 30, 1999; DOI: https://doi.org/10.12671/jksf.1999.12.2.195

Abstract PDF: Forty five patients above the age of 60 with displaced femoral neck fractures were treated by bipolar hemiarthroplasty in Kangbuk Samsung hospital from January 1990 to January 1995. We evaluated these patients for comparison of the results between the cemented and uncemented femoral fixation, especially in elderly patients with medical illness or osteoporosis. During a follow up period of more than two years, the authors found less thigh pain(5.2% versus 38%) and slightly higher Harris hip scores(84.5 versus 80.0 points) in the cemented group in comparison with the uncemented group. Radiographic examination showed less radiolucent zones in the cemented group. Comparing the operative time(86.2 versus 83.8 minutes), hospital stay(4.7 weeks versus 5.3 weeks), blood loss(385 versus 381 ml) during the operation. The postoperative mortality rate was 2%, and the follow-up mortality rate was 11% in the first year. There was no significant difference between two groups in mortality rate. Thus in bipolar hemiarthroplasty in elderly patients with displaced femoral neck fracture, we have obtained satisfactory results despite of poor bone condition and osteoporosis except thigh pain. But the follow up period was too short to assess the late complications of the hemiarthroplasty such as acetabular erosion, implant loosening, so long-term follow up will be necessary

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