Journal of Musculoskeletal Trauma

New Injury Mechanism and Treatment Algorithm of Posterior Elbow Dislocation: In Hyeok Rhyou; J Korean Fract Soc 2019;32(1):61-71. Published online January 31, 2019; DOI: https://doi.org/10.12671/jkfs.2019.32.1.61

Abstract PDF: Although the concept of a single elbow dislocation mechanism, in which all dislocations start from the lateral side of the elbow joint and progress to the medial side, has never been able to explain the various conflicting experimental and clinical observations thus far, new studies and proposals for a valid mechanism have not been reported. The new proposal for posteromedial and posterolateral dislocation of the elbow joint according to the authors' study and the new treatment algorithm based on this new study can explain the various clinical and experimental results that have been difficult to explain, and provide a reasonable approach to the treatment of elbow dislocations.

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Use of Composite Wiring on Surgical Treatments of Clavicle Shaft Fractures: Kyung Chul Kim, In Hyeok Rhyou, Ji Ho Lee, Kee Baek Ahn, Sung Chul Moon; J Korean Fract Soc 2016;29(3):185-191. Published online July 31, 2016; DOI: https://doi.org/10.12671/jkfs.2016.29.3.185

Abstract PDF: PURPOSE
To introduce the technique of reducing displaced or comminuted clavicle shaft fracture using composite wiring and report the clinical results.
MATERIALS AND METHODS
Between March 2006 and December 2013, 31 consecutive displaced clavicle fractures (Edinburgh classification 2B) treated by anatomic reduction and internal fixation using composite wiring and plates were retrospectively evaluated. The fracture fragments were anatomically reduced and fixed with composite-wiring. An additional plate was applied. Radiographic assessments for the numbers of fragments, size of each fragment and amount of shortening and displacement were performed. The duration for fracture union and complications were investigated retrospectively. The mean fallow-up duration was 15.9 months.
RESULTS
The mean number of fragments was 1.7 (1-3) and the mean width of fracture fragment was 7.1 mm (4.5-10.6 mm). The mean shortening of the clavicle was 20.5 mm (10.3-36.2 mm). The mean number of composite wires used in fixation was 1.9 (1-3). Radiographic union was achieved in all patients with a mean time to union of 11.6 weeks. There were no complications including metal failure, pin migration, nonunion, or infection.
CONCLUSION
The composite wiring was suitable for fixation of small fracture fragment and did not interfere with the union, indicating that it is useful for treatment of clavicle shaft fracture.

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Cemented Hemiarthroplasty in Femoral Neck Fractures over 70 Years : A Matched-Pair Analysis of unipolar and Bipolar Hemiarthroplasty: Kang Sup Yoon, Seung Baik Kang, Ji Ho Lee, Jin Soo Tark, Hyeok Rhyou; J Korean Soc Fract 1999;12(4):773-779. Published online October 31, 1999; DOI: https://doi.org/10.12671/jksf.1999.12.4.773

PURPOSE
: The goal of treatment in elderly patients with hip fractures is restoration of function We analysed the clinical efficacy of the cemented unipolar hemiarthroplasty and bipolar hemiarthroplalty for the treatment of femoral neck fractures in elderly patients over 70 years. Twenty-four pairs of patients who had a cemented hemiarthroplasty were studied with a retrospective and matched-pair analysis. Half of the patients had received a cemented bipolar hemiarthroplasty and the other half, a cemented unipolar hemiarthroplasty The patients were matched for age, sex, femoral head size, physical status and the ability to walk. At one year follow-up, the frequency of the pain and the limp were 41.7% and 54.2%, respectively, in the unipolar group and 45.8% and 45.8%, respertively, in the bipolar group. The ability to live independently was 66.7% in the unipolar group and 79.2% in the bipolar group. None of these differences were statistically significant. The frequency of the return to the level of function before injury was 37.5% in unipolar group and 45.8% in the bipolar group, which was also not significantly different. Flexion of the hip joint was 96.7+/-6.9 in unipolar group and 101.5+/-7.3 in the bipolar group(p=0.02). Abduction and rotational motion was not significantly different in two groups. There were no revisions in either group. Cemented bipolar hemiarthroplasty did not show better clinical results than cemented unipolar group.

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Bipolar Hemiarthroplasty for the Femoral Neck Fractures in Elderly Patients
Woong-Kyo Jeong, Sang-Won Park, Soon-Hyuck Lee, Jong-Hoon Park, Suk-Ha Lee, Ji-Hoon Kang, Gi-Won Choi, Won Noh
Journal of the Korean Fracture Society.2008; 21(1): 8. CrossRef

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