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Yong Cheol Yoon 6 Articles
Arthroscopic Reduction of Irreducible Posterolateral Knee Dislocation with Interposition of the Vastus Medialis: A Case Report
Jae Ang Sim, Byung Kag Kim, Beom Koo Lee, Yong Cheol Yoon, Eun Suk Choi
J Trauma Inj. 2016;29(4):167-171.   Published online December 31, 2016
DOI: https://doi.org/10.20408/jti.2016.29.4.167
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AbstractAbstract PDF
Irreducible traumatic knee dislocation is rare. The knee dislocation is classified depending on the incarcerated structures. Complete reduction is achieved by extracting the incarcerated structure. Several reports introduce the reduction of irreducible traumatic knee dislocation by open surgery or arthroscopy. This case describes irreducible posterolateral knee dislocation with interposition of the vastus medialis. Closed reduction failed in the emergency room, and complete reduction was attained by arthroscopically sectioning the muscle and fascia of the vastus medialis in the intercondylar notch.
Summary
Blush on Computed Tomography and Transcatheter Arterial Embolization in Pelvic Fracture
Jihun Gwak, Yong Cheol Yoon, Min A Lee, Byungchul Yu, Myung Jin Jang, Kang Kook Choi
J Trauma Inj. 2016;29(4):161-166.   Published online December 31, 2016
DOI: https://doi.org/10.20408/jti.2016.29.4.161
  • 2,338 View
  • 12 Download
AbstractAbstract PDF
PURPOSE
Bleeding is the primary cause of death after severe pelvic fracture. Transcatheter arterial embolization (TAE) is the mainstay of treatment for arterial bleeding. This study aimed to determine the frequency of bleeding by angiography of blush-positive pelvic fractures on computed tomography (CT) images. The bleeding arteries that were involved were investigated by pelvic angiography.
METHODS
This retrospective cohort study evaluated 83 pelvic fracture patients who were treated in the intensive care unit of the author's trauma center between January 01, 2013 and April 30, 2015.
RESULTS
Overall mortality was 9 of 83 patients (10.8%). Blush was observed in 37 patients; blush-positive patients had significantly higher mortality (24.3%) than blush-negative patients (0%). Twenty-four of the 83 patients (28.9%) underwent pelvic angiography. Bleeding was showed in 22 of 24 patients in pelvic angiography. TAE was successfully performed in 21 (95.5%) of the bleeding 22 patients. Angiography was performed in 23 of 37 blush-positive patients, and arterial bleeding was identified in 21 (91.3%). A total 33 bleeding arteries were identified in 22 angiography-positive patients. The most frequent origin of bleeding was internal iliac artery (69.7%) followed by the external iliac artery (18.2%) and lumbar arteries (12.1%).
CONCLUSION
The vascular blush observed in CT scans indicates sites of ongoing bleeding in pelvic angiography. TAE is an excellent therapeutic option for arterial bleeding and has a high success rate with few complications.
Summary
Characteristics of Korean Trauma Patients: A Single-center Analysis Using the Korea Trauma Database
Youngeun Park, Min Chung, Gil Jae Lee, Min A Lee, Jae Jeong Park, Kang Kook Choi, Sung Youl Hyun, Yang Bin Jeon, Dae Sung Ma, Yong Cheol Yoon, Jungnam Lee, Byungchul Yoo
J Trauma Inj. 2016;29(4):155-160.   Published online December 31, 2016
DOI: https://doi.org/10.20408/jti.2016.29.4.155
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  • 28 Download
  • 1 Citations
AbstractAbstract PDF
PURPOSE
Two years have passed since a level I trauma center was officially opened in the Gacheon Gil Hospital, South Korea. We analyzed 2014 and 2015 registered patient data from the Korean Trauma Data Base (KTDB) to identify trends in trauma patient care and factors that influence the quality of trauma care at the Gacheon Gil trauma center.
METHODS
Data was extracted from the KTDB included patient age, sex, systolic blood pressure at emergency room arrival, revised trauma score, injury severity score, trauma injury severity score, transfusion amount, and the cause of death was analyzed.
RESULTS
A total of 3269 trauma patients were admitted to our trauma center in 2014 and 3225 in 2015. Demographics and mechanism of injury were not significantly different between years. The severity of trauma injury was decreased in 2015 although the mortality rate was slightly increased. This requires further analysis.
CONCLUSION
The aim of this study was to determine the general status and trends in trauma incidence and management outcomes for the Incheon area. We noted no significant changes in trauma status from 2014 to 2015. We need to collect and review trauma patient data over a long period in order to elucidate trauma incidence and management trends in the trauma field. Finally, studies using trauma patient data will indicate appropriate quality control factors for trauma care and help to improve the quality of trauma management.
Summary

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  • Associated Injuries in Spine Trauma Patients: A Single-Center Experience
    Seunghan Yu, Hyuk Jin Choi, Jung Hwan Lee, Byung Chul Kim, Mahnjeong Ha, In Ho Han
    Journal of Trauma and Injury.2020; 33(4): 242.     CrossRef
Natural History of Spontaneous Healing of a Traumatic Radial Tear of the Lateral Meniscus: A Case Report
Jae Ang Sim, Yong Cheol Yoon, Sheen Woo Lee, Beom Koo Lee
J Trauma Inj. 2015;28(1):21-26.   Published online March 30, 2015
DOI: https://doi.org/10.20408/jti.2015.28.1.21
  • 1,688 View
  • 7 Download
AbstractAbstract PDF
Complete radial tears of the lateral meniscus are relatively rare. Once torn, the injury can be debilitating due to disruption of the circumferential fibers of the meniscus. We experienced a case of a lateral meniscus with a complete radial tear at the midbody, where the two torn ends were displaced more than 1 cm and could not be approximated during arthroscopy. Thirteen months after surgery, follow-up MRI and second-look arthroscopic findings showed that the complete radial tear has healed spontaneously. However, twenty nine months after the second-look arthroscopy, the patient complained of severe knee pain during exercise. On follow-up MRI, increased sclerosis and newly developed bone marrow edema were observed in the lateral femoral condyle, compared with previous MR images. Finally, we performed meniscal allograft transplantation due to the defective properties of the completely healed lateral meniscus.
Summary
Three-year Analysis of Patients and Treatment Experiences in the Regional Trauma Center of Gachon University Gil Hospital between 2011 and 2013
Yong Cheol Yoon, Jung Nam Lee, Min Chung, Yang Bin Jeon, Jae Jeong Park, Byung Chul Yu, Gil Jae Lee, Hyun Jin Cho, Dae Sung Ma, Min A Lee, Jung Ju Choi, Seong Son
J Trauma Inj. 2014;27(4):170-177.
  • 1,245 View
  • 10 Download
AbstractAbstract PDF
PURPOSE
The first regional trauma center selected in Korea was the Gachon University Gil hospital regional trauma center; expectation on its role has been high because of its location in the Seoul metropolitan region. To determine if those expectations are being met, we analyzed the patients visiting the center and their treatment experiences for the past 3 years in order to propose a standard for the operation of a trauma center.
METHODS
The visiting route, visiting methods, performance of emergency surgery, the ward and the length of stay, the injury mechanism, the injury severity score (ISS), the department that managed the surgery, and the cause of death were analyzed for 367 patients visiting the center from its establishment in June 2011 through December 2013.
RESULTS
The mean age of the patients was 47 years (285 male and 82 female patients). A total of 187 patients directly visited the center whereas 180 were transferred to the center. Traffic accidents comprised the majority of injury mechanisms, and 178 patients underwent emergency surgery. The mean length of stay per patient was 11 days for those in the ICU and 27 days for those in a general ward. These patients occupied 4 beds in the ICU and 10 beds in the general ward per day. A total of 1.21 surgeries were performed per patient, and the mean number of surgeries performed per day was 0.49. The mean ISS was 15.91, and 183 patients (50%) had an ISS of > or =16. Thirty-one patients died; they had a mean ISS of 28.42. The most frequent cause of death was multi-organ failure. The mean number of treatment consultations during a patient's stay was 6.32. Forty-five patients (13%) were discharged from the center, and 291 (79%) were transferred to another hospital.
CONCLUSION
A systematic approach to establishing a treatment model for trauma patients, including injury mechanism, multidisciplinary treatment, and trauma surgeon intervention, is required for treating trauma patients.
Summary
Anatomic Conformity of New Periarticular Locking Plates for Koreans: A Biomechanical Cadaveric Study
Yong Cheol Yoon, Jong Keon Oh, Young Woo Kim, Hak Jun Kim, Hong Joo Moon, Nam Ryeol Kim
J Trauma Inj. 2013;26(3):163-169.
  • 1,174 View
  • 4 Download
AbstractAbstract PDF
PURPOSE
This study was conducted to confirm the anatomic conformity of the new periarticular locking plates designed by Zimmer on Korean adult bones and to identify the structures at risk during the application of these implants.
METHODS
The study was performed on the humerus, radius, and tibia of 10 adult cadavers(6 males and 4 females) procured from the cadaveric lab of our hospital. Anteroposterior (AP) and lateral X-rays were taken to confirm that the cadavers were free of any unusual lesions or anatomic variations. We used the 3.5-mm proximal humerus plate, 2.7-mm distal radius plate, 3.5- and 5.0-mm proximal tibia plates, and 3.5-mm distal tibia plate developed by Zimmer, Inc. (Zimmer periarticular locking plate). The longest plate from each group was used to confirm anatomical conformity. Standard approaches were used for each area, and soft tissue was retracted in order to pass the plate beneath the muscle. The position of the plate was confirmed using standard AP and lateral view X-rays. After this procedure had been completed, the region was dissected along the length of the implant to determine the conformity of the implant to bone and the penetrations of screws into the articular surface or violations of any vital structures, such as nerves, blood vessels, or tendons.
RESULTS
Excellent anatomical conformity was observed with Zimmer periarticular locking plates for Korean adults. The tibial nerve and the posterior tibial artery were found to be structures at risk when applying a distal tibial plate.
CONCLUSION
Additional posterolateral fixation is recommended when dealing with cases of tibial plateau fracture when the fracture line extends to the posterolateral cortex. We recommend taking proper views using 10~15 degrees of internal rotation to ensure correct screw length and, thus, avoid penetration of vital structures and tendons.
Summary

J Trauma Inj : Journal of Trauma and Injury