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Cement Leakage into Disc after Kyphoplasty: Does It Increases the Risk of New Adjacent Vertebral Fractures?
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Hoon Sang Sohn, Seong Kee Shin, Eun Seok Seo, Kang Seob Chang
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J Korean Fract Soc 2011;24(4):361-366. Published online October 31, 2011
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DOI: https://doi.org/10.12671/jkfs.2011.24.4.361
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 Abstract
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- PURPOSE
This study aims to investigate the relationship between cement leakage into the disc during percutaneous balloon kyphoplasty and subsequent compression fractures in adjacent vertebrae during treatment of osteoporotic vertebral compression fracture.
MATERIALS AND METHODS
103 patients (118 vertebrae) who have been treated with balloon kyphoplasty due to osteoporotic compression fracture from June 2007 to July 2010 were retrospectively analyzed. The group was composed of 13 males and 90 females. The mean age was 75 years (57~95 years). The mean follow-up period was 10 months (6~30 months). Patients were divided into two groups; one with cement leakage into the disc and the other without cement leakage into the disc. The study was performed to determine whether subsequent compression fractures in adjacent vertebrae were related to several factors.
RESULTS
The cement leakages into the disc occurred in 16 of 118 vertebrae. Of the 16 vertebrae with cement leakage into the disc, 5 (31%) had subsequent adjacent vertebral compression fractures; however, of the 102 vertebrae in which cement leakage did not occur, only 11 (11%) had subsequent adjacent vertebral compression fractures (p<0.05). Of the 16 vertebrae with cement leakage into the disc, subsequent adjacent vertebral compression fractures occurred 1 vertebrae of 10 vertebrae with definite trauma history. Out of the 6 vertebrae with cement leakage and no definite trauma history, 4 vertebrae (67%) had subsequent adjacent vertebral compression fractures (p<0.05).
CONCLUSION
The cement leakage into the disc significantly increases the incidence of subsequent adjacent vertebral compression fractures. Most of the subsequent fractures occurred in the early post-operative period. When cement leakage into the disc occurred in patients with no definite trauma history such as slip down, the incidence of subsequent adjacent vertebral compression fracture increased significantly.
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Results of Hook Plate Fixation of Unstable Distal Clavicle Fractures
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Hoon Sang Sohn, Byung Chul Jo
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J Korean Fract Soc 2011;24(4):335-340. Published online October 31, 2011
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DOI: https://doi.org/10.12671/jkfs.2011.24.4.335
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Abstract
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This study evaluated the clinical and radiological outcomes of unstable distal clavicular fractures treated with an AO Hook plate.
MATERIALS AND METHODS
From March 2009 to October 2010, sixteen patients with distal clavicular fractures underwent open plating using an AO Hook plate. The clinical outcomes were assessed by measuring the UCLA scores and KSS sores, and the radiological outcomes were evaluated using simple radiographs at the final follow-up.
RESULTS
Fracture union was obtained in all patients at an average of 13.9 weeks (range, 9~20 weeks). The UCLA scoring system showed excellent results in 9 cases and good results in 7. The average KSS scores of distal clavicular fractures were 95.5. At the final follow-up, subacromial osteolysis developed in 11 cases (68.7%) of whom 3 suffered from pain around the acromion. Other complications occurred in 4 patients: one had a fracture adjacent to the plate proximally, two had a stiff shoulder with subacromial impingement, and one had hypoesthesia around the surgical wound.
CONCLUSION
Unstable distal clavicular fractures treated with a Hook plate provided rigid fixation and satisfactory outcomes considering the high union rate. Nevertheless, potential postoperative complications related to morphometric properties of the plate should be considered.
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Simultaneous Fractures of the Ipsilateral Distal and Proximal Clavicle: Double Clavicle Fracture: A Case Report
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Kyoung Jun Park, Hoon Sang Sohn, Kyoung Young Baek
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J Korean Fract Soc 2011;24(1):92-95. Published online January 31, 2011
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DOI: https://doi.org/10.12671/jkfs.2011.24.1.92
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Abstract
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- Clavicular fracture is common injury in the upper extremity, but ipsilateral proximal, distal or middle-third clavicular fractures which occur simultaneously are an extremely rare. Seven cases have been reported in the English and Japanese literatures, but it has never been reported in Korea. We report a case of ipsilateral proximal and distal clavicular fracture caused by fall from height and describe its presumed mechanism, diagnosis, treatment with a review of literatures.
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Comparative Study of Intramedullary Nailing and Plate for Metaphyseal Fractures of the Distal Tibia
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Hoon Jeong, Jae Doo Yoo, Young Do Koh, Hoon Sang Sohn
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J Korean Fract Soc 2007;20(2):154-160. Published online April 30, 2007
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DOI: https://doi.org/10.12671/jkfs.2007.20.2.154
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Abstract
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To compare the radiological and clinical results between intramedullary nailing and plate fixation in the treatment of distal tibial fractures.
MATERIALS AND METHODS
19 cases of distal tibial metaphyseal fractures within 4 cm of the ankle joint line were enrolled. Ten patients were treated with interlocking intramedullary nail and the others with plate and screws.
RESULTS
The mean union time was 14 weeks in nailing group and 16 weeks in plate group. The average angulation in AP view was 4.1 degrees in nailing group and 3.1 degrees in plate group. The average angulation in lateral view was 1.7 degrees in nailing group and 2.7 degrees in plate group. The rotational deformity was 2.8 degrees in nailing group and 1.7 degrees in plate group in average. There was no implant failure and soft tissue problem.
CONCLUSION
There was no difference in clinical and radiological results between intramedullary nailing and plate in the treatment of the distal tibial fractures and, considering the preservation of the soft tissue, the intramedullary nails are a reliable method for managing distal metaphyseal fractures of the tibia.
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Citations
Citations to this article as recorded by  - Does a Customized 3D Printing Plate Based on Virtual Reduction Facilitate the Restoration of Original Anatomy in Fractures?
Seung-Han Shin, Moo-Sub Kim, Do-Kun Yoon, Jae-Jin Lee, Yang-Guk Chung
Journal of Personalized Medicine.2022; 12(6): 927. CrossRef - A Comparison of the Results between Intramedullary Nailing and Minimally Invasive Plate Osteosynthesis in Distal Tibia Fractures
Chul-Hyun Park, Chi-Bum Choi, Bum-Jin Shim, Dong-Chul Lee, Oog-Jin Shon
Journal of the Korean Orthopaedic Association.2014; 49(4): 285. CrossRef
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Radiological Landmarks for the Assessment of the Alignment in the Use of the LCP-PLT (Locking Compression Plate-Proximal Lateral Tibia): An Anatomical and Radiological Study
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Jong Keon Oh, Chang Wug Oh, Kwon Jae Roh, Hoon Sang Sohn
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J Korean Fract Soc 2006;19(4):477-481. Published online October 31, 2006
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DOI: https://doi.org/10.12671/jkfs.2006.19.4.477
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Abstract
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To evaluate the conformity of the anatomically pre-shaped LCP-PT to the tibias of the Korean adult and to identify radiological guidelines to assist intraoperative assessment of correct alignment.
MATERIALS AND METHODS
30 adult femur obtained from the Korean adult cadaver were used. A nine or eleven-hole LCP-DF was applied to the lateral surface of the tibia according to the contour. Then the distance from the inner surface of the plate to the lateral condyle was measured at the sites of mismatch. The angle between the most proximal screw and the articular surface was measured with the image intensifier.
RESULTS
The LCP-PT showed good conformity to the tibia in general. The distance from the inner surface of the plate to the lateral condyle was 3.5mm in average (range 0~9). The angle between the most proximal locking screw and the joint line was 1.16 degrees in average (range 0~7 degree).
CONCLUSION
The LCP-PT showed good conformity to the tibia in general. Malposition of the most proximal screw which is not paralleling to the joint line may herald a coronal plane malalignment.
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