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Oh Sang Kwon 7 Articles
Part 2. Clinical Practice Guideline for Trauma Team Composition and Trauma Cardiopulmonary Resuscitation from the Korean Society of Traumatology
Oh Hyun Kim, Seung Je Go, Oh Sang Kwon, Chan-Yong Park, Byungchul Yu, Sung Wook Chang, Pil Young Jung, Gil Jae Lee
J Trauma Inj. 2020;33(2):63-73.   Published online June 30, 2020
DOI: https://doi.org/10.20408/jti.2020.0020
  • 6,439 View
  • 171 Download
  • 1 Citations
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  • An Artificial Intelligence Model for Predicting Trauma Mortality Among Emergency Department Patients in South Korea: Retrospective Cohort Study
    Seungseok Lee, Wu Seong Kang, Do Wan Kim, Sang Hyun Seo, Joongsuck Kim, Soon Tak Jeong, Dong Keon Yon, Jinseok Lee
    Journal of Medical Internet Research.2023; 25: e49283.     CrossRef
Bilateral Chylothorax Due to Blunt Spine Hyperextension Injury: A Case Report
Hohyoung Lee, Sung Ho Han, Min Koo Lee, Oh Sang Kwon, Kyoung Hwan Kim, Jung Suk Kim, Soon-Ho Chon, Sung Ho Shinn
J Trauma Inj. 2019;32(2):107-110.   Published online June 30, 2019
DOI: https://doi.org/10.20408/jti.2018.050
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  • 1 Citations
AbstractAbstract PDF

Bilateral chylothorax due to blunt trauma is extremely rare. We report a 74-year-old patient that developed delayed bilateral chylothorax after falling off a ladder. The patient had a simple 12th rib fracture and T12 lamina fracture. All other findings seemed normal. He was sent home and on the 5th day visited our emergency center at Halla Hospital with symptoms of dyspnea and lower back pain. Computer tomography of his chest presented massive fluid collection in his right pleural cavity and moderate amounts in his left pleural cavity with 12th rib fracture and T11-12 intervertebral space widening with bilateral facet fractures. Chest tubes were placed bilaterally and chylothorax through both chest tubes was discovered. Conservative treatment for 2 weeks failed, and thus, thoracic duct ligation was done by video assisted thoracoscopic surgery. Thoracic duct embolization was not an option. Postoperatively, the patient is now doing well and happy with the results. Early surgical treatment must be considered in the old patient, whom large amounts of chylothorax are present.

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  • Thoracic duct injury: An up to date
    JoséLuis Ruiz Pier, MohebA Rashid
    The Journal of Cardiothoracic Trauma.2021; 6(1): 15.     CrossRef
Large Focal Extrapleural Hematoma of Chest Wall: A Case Report
Hohyoung Lee, Sung Ho Han, Min Koo Lee, Oh Sang Kwon, Kyoung Hwan Kim, Jung Suk Kim, Soon-Ho Chon, Sung Ho Shinn
J Trauma Inj. 2019;32(2):115-117.   Published online June 30, 2019
DOI: https://doi.org/10.20408/jti.2019.001
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AbstractAbstract PDF

Although hemothorax and pneumothorax are common complications seen in rib fractures, focal extrapleural hematoma is quite rare. We report a 63-year-old female patient that developed large focal extrapleural hematoma after falling off a second floor veranda. The patient had sustained 3, 4, 5th costal cartilage rib fractures and a sternum fracture. She had developed suspected empyema with loculations with small amount of hemothorax. She underwent a planned early decortication/adhesiolysis by video assisted thoracoscopic surgery at the 12th post-trauma day due to failed drainage. Unexpectedly, she had no adhesions or any significant retained hematoma mimicking a mass, but was found with the focal extrapleural chest wall hematoma. She was discharged on postoperative 46th day for other reasons and is doing fine today.

Summary
Development of Korean Teaching Model for Surgical Procedures in Trauma -Essential Surgical Procedures in Trauma Course-
Hohyun Kim, Chan-Yong Park, Hyun-Min Cho, Kwang-Hee Yeo, Jae Hun Kim, Byungchul Yu, Seung-Je Go, Oh Sang Kwon
J Trauma Inj. 2019;32(1):8-16.   Published online March 31, 2019
DOI: https://doi.org/10.20408/jti.2018.051
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AbstractAbstract PDFSupplementary Material
Purpose

The Essential Surgical Procedures in Trauma (ESPIT) course was developed as a model to teach necessary surgical procedures to trauma physicians. Its goals are to improve knowledge, self-confidence, and technical competence.

Methods

The ESPIT course consisted of five lectures and a porcine lab operative experience. The ESPIT course has been run seven times between February 2014 and April 2016. ESPIT participants completed a questionnaire to assess self-efficacy regarding essential surgical procedures in trauma before and immediately after taking the ESPIT course. Sixty-three participants who completed both pre- and post-course questionnaires on self-efficacy were enrolled in this study.

Results

The overall post-ESPIT mean self-efficacy score was higher than the pre-ESPIT mean self-efficacy score (8.3±1.30 and 4.5±2.13, respectively) (p<0.001). Self-efficacy was significantly improved after the ESPIT course in general surgeons (p<0.001), thoracic and cardiovascular surgeons (p<0.001), emergency medicine doctors, and others (neurosurgeons, orthopedic surgeons) (p<0.001). The differences in self-efficacy score according to career stage (<1 year, 1?3 years, 3?5 years, and >5 years) were also statistically significant (p<0.001).

Conclusions

The data of the ESPIT participants indicated that they felt that the ESPIT course improved their self-efficacy with regard to essential surgical procedures in trauma. The ESPIT course may be an effective strategy for teaching surgical procedures, thus promoting better management of traumatic injuries.

Summary
Effectiveness after Designation of a Trauma Center: Experience with Operating a Trauma Team at a Private Hospital
Kyoung Hwan Kim, Sung Ho Han, Soon-Ho Chon, Joongsuck Kim, Oh Sang Kwon, Min Koo Lee, Hohyoung Lee
J Trauma Inj. 2019;32(1):1-7.   Published online March 31, 2019
DOI: https://doi.org/10.20408/jti.2018.054
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AbstractAbstract PDF
Purpose

The present study aimed to evaluate the influence of how the trauma care system applied on the management of trauma patient within the region.

Methods

We divided the patients in a pre-trauma system group and a post-trauma system group according to the time when we began to apply the trauma care system in the Halla Hospital after designation of a trauma center. We compared annual general characteristics, injury severity score, the average numbers of the major trauma patients, clinical outcomes of the emergency department, and mortality rates between the two groups.

Results

No significant differences were found in the annual patients’ average age (54.1±20.0 vs. 52.8±18.2, p=0.201), transportation pathways (p=0.462), injury mechanism (p=0.486), injury severity score (22.93 vs. 23.96, p=0.877), emergency room (ER) stay in minutes (199.17 vs. 194.29, p=0.935), time to operation or procedure in minutes (154.07 vs. 142.1, p=0.767), time interval to intensive care unit (ICU) in minutes (219.54 vs. 237.13, p=0.662). The W score and Z score indicated better outcomes in post-trauma system group than in pre-trauma system group (W scores, 2.186 vs. 2.027; Z scores, 2.189 vs. 1.928). However, when analyzing survival rates for each department, in the neurosurgery department, in comparison with W score and Z score, both W score were positive and Z core was higher than +1.96. (pre-trauma group: 3.426, 2.335 vs. post-trauma group: 4.17, 1.967). In other than the neurosurgery department, W score was positive after selection, but Z score was less than +1.96, which is not a meaningful outcome of treatment (pre-trauma group: ?0.358, ?0.271 vs. post-trauma group: 1.071, 0.958).

Conclusions

There were significant increases in patient numbers and improvement in survival rate after the introduction of the trauma system. However, there were no remarkable change in ER stay, time to ICU admission, time interval to emergent procedure or operation, and survival rates except neurosurgery. To achieve meaningful survival rates and the result of the rise of the trauma index, we will need to secure sufficient manpower, including specialists in various surgical area as well as rapid establishment of the trauma center.

Summary
Esophageal Rupture Due to Diving in Shallow Waters
Sung Ho Han, Soon-Ho Chon, Jong Hyun Lee, Min Koo Lee, Oh Sang Kwon, Kyoung Hwan Kim, Jung Suk Kim, Ho hyoung Lee, June Raphael Chon
J Trauma Inj. 2018;31(1):16-18.   Published online April 30, 2018
DOI: https://doi.org/10.20408/jti.2018.31.1.16
  • 4,009 View
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AbstractAbstract PDF

Delayed esophageal rupture due to blunt injury is not new. However, rupture due to suspected barotrauma is very rare. We describe a case of esophageal rupture in a male 24-year-old patient after diving in shallow waters. The patient was quadriplegic and could not experience the typical chest pain related to rupture and resulting mediastinitis. The rupture was discovered 4 days after emergency decompressive laminectomy and fusion for his cervical spine. The rupture was evidently caused by barotrauma and was discovered four days after admission. He underwent primary closure and pericardial flap as a life-saving procedure.

Summary
Rib Fixation for a Patient with Severely Displaced and Overlapped Costal Cartilage Fractures
Sung Ho Han, Soon-Ho Chon, Jong Hyun Lee, Min Koo Lee, Oh Sang Kwon, Kyoung Hwan Kim, Jung Suk Kim, Ho hyoung Lee
J Trauma Inj. 2018;31(1):12-15.   Published online April 30, 2018
DOI: https://doi.org/10.20408/jti.2018.31.1.12
  • 8,614 View
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AbstractAbstract PDF

Rib fixations for flail chest or displaced rib fractures are not a new technique. However, reports on rib fixations involving costal cartilage fractures are very few and surprisingly there are no reports of internal fixations involving only the costal cartilage in the English literature. The diagnosis is difficult and the necessity of the procedure may be quite controversial. Placing plates in screws into the costal cartilage alone may seem unstable and easily dislodged or stripped through the cartilage. We report a 31-year-old male scuba diver instructor who underwent rib fixations over his 7th and 8th costal cartilage ribs for severe pain. The procedure was done with conventional plates and screws. He had the plates and screws removed 2 months later due to lingering pain, but with them removed he is now quite happy with the results without pain. The procedure for fixation of painful overlapped costal cartilage is quite simple and can be done with the usual conventional methods, fixating plate and screws directly over the cartilage alone without fixation over the bony rib.

Summary

J Trauma Inj : Journal of Trauma and Injury