Journal of Trauma and Injury

Hyun Min Cho

10 Articles

Experiences of Video-assisted Thoracic Surgery in Trauma: Dongsub Noh, Chan kyu Lee, Jung Joo Hwang, Hyun Min Cho; J Trauma Inj. 2017;30(3):87-90. Published online October 30, 2017; DOI: https://doi.org/10.20408/jti.2017.30.3.87

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Abstract PDF: PURPOSE
Nowadays, Video-Assisted Thoracic Surgery (VATS) is widely used for its benefits, low post-operative pain, excellent anesthetic result and complete visualization of intrathoracic organs. Despite of these advantages, VATS has not yet been widely used in trauma patients. In this study, we aimed to investigate the usefulness of VATS in the chest trauma area.
METHODS
From January 2016 to December 2016, 203 patients underwent surgical treatment for chest trauma. Their medical records were analyzed retrospectively.
RESULTS
Eleven patients underwent thoracic surgery by VATS. Six patients were unstable vital sign in the emergency room. Two patients underwent emergency surgery and the rest patients underwent planned surgery. The common surgeries were VATS hematoma evacuation and wedge resection. There was no conversion to thoracotomy. The surgery proceeded without any problems for all patients.
CONCLUSIONS
VATS would be an effective diagnostic and therapeutic modality in chest trauma patients. It can be applied to retained hemothorax, persistent pneumothorax, suspicious diaphragm injury and even coagulation of bleeder.; Summary

The Surgical Outcome for Patients with Tracheobronchial Injury in Blunt Group and Penetrating Group: Chang Wan Kim, Jung Joo Hwang, Hyun Min Cho, Jeong Su Cho, Ho Seok I, Yeong Dae Kim, Do Hyung Kim; J Trauma Inj. 2016;29(1):1-7. Published online March 31, 2016; DOI: https://doi.org/10.20408/jti.2016.29.1.1

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PURPOSE
Tracheobronchial injuries caused by trauma are rare, but can be life threatening. The objective of this study was to evaluate the surgical outcome for patients with tracheobronchial injuries and to determine the difference, if any, between the outcomes for patients with penetrating trauma and those for patients with blunt trauma.
METHODS
From January 2010 to June 2015, 40 patients underwent tracheobronchial repair surgery due to trauma. We excluded 14 patients with iatrogenic injuries, and divided the remaining 26 into two groups.
RESULTS
In the blunt trauma group, injury mechanisms were motor vehicle accident (9 cases), free falls (3 cases), flat falls (1 case) and mechanical injury (1 case). In the penetrating trauma group, injury mechanisms were stab wounds (10 cases), a gunshot wound (1 case) and a stab wound caused by metal pieces (1 case). The mean RTS (Revised Trauma Score) was 6.89±1.59 (range: 2.40-7.84) and the mean ISS (Injury Severity Score) was 24.36±7.16 (range: 11-34) in the blunt group; the mean RTS was 7.56±0.41 (range: 7.11-7.84), and the mean ISS was 13±5.26 (range: 9-25) in the penetrating trauma group. In the blunt trauma group, 9 primary repairs, 1 resection with end-end anastomosis, 2 lobectomies, 1 sleeve bronchial resection and 1 pneumonectomy were performed. In the penetrating trauma group, 10 primary repairs and 2 resections with end-end anastomosis were performed. Complications associated with surgery were found in one patient in the blunt trauma group, and one patient in the penetrating trauma group. No mortalities occurred in either groups.
CONCLUSION
Surgical management of a traumatic tracheobronchial injury is a safe procedure for both patients with a penetrating trauma and those with a blunt trauma.

Summary

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A Case of Total Laryngectomy after Severe Penetrating Laryngeal Trauma
Youngjin Cho, Sung-Chan Shin, Byung-Joo Lee, Yong-Il Cheon
Journal of Clinical Otolaryngology Head and Neck .2022; 33(4): 250. CrossRef
Damage Control of Laryngotracheal Trauma: The Golden Day
Mario Alain Herrera, Luis Fernando Tintinago, William Victoria, Carlos Alberto Ordoñez, Michael Parra, Mateo Betancourt-Cajiao, Yaset Caicedo, Monica Guzman, Linda M. Gallego, Adolfo Gonzalez Hadad, Luis Fernando Pino, Jose Julian Serna, Alberto García, C
Colombia médica.2020;[Epub] CrossRef

PARK Index for Preventable Major Trauma Death Rate: Chan Yong Park, Byungchul Yu, Ho Hyun Kim, Jung Joo Hwang, Jungnam Lee, Hyun Min Cho, Han Na Park; J Trauma Inj. 2015;28(3):115-122. Published online September 30, 2015; DOI: https://doi.org/10.20408/jti.2015.28.3.115

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Abstract PDF

PURPOSE
To calculate Preventable Trauma Death Rate (PTDR), Trauma and Injury Severity Score (TRISS) is the most utilized evaluation index of the trauma centers in South Korea. However, this method may have greater variation due to the small number of the denominator in each trauma center. Therefore, we would like to develop new indicators that can be used easily on quality improvement activities by increasing the denominator.
METHODS
The medical records of 1005 major trauma (ISS >15) patients who visited 2 regional trauma center (A center and B center) in 2014 were analyzed retrospectively. PTDR and PARK Index (Preventable Major Trauma Death Rate, PMTDR) were calculated in 731 patients with inclusion criteria. We invented PARK Index to minimize the variation of preventability of trauma death. In PTDR the denominator is all number of deaths, and in PARK Index the denominator is number of all patients who have survival probability (Ps) larger than 0.25. Numerator is the number of deaths from patients who have Ps larger than 0.25.
RESULTS
The size of denominator was 40 in A center, 49 in B center, and overall 89 in PTDR. The size of denominator was significantly increased, and 287 (7.2-fold) in A center, 422 (8.6-fold) in B center, and overall 709 (8.0-fold) in PARK Index. PARK Index was 12.9% in A center, 8.3% in B center, and overall 10.2%.
CONCLUSION
PARK Index is calculated as a rate of mortality from all major trauma patients who have Ps larger than 0.25. PARK Index obtain an effect that denominator is increased 8.0-fold than PTDR. Therefore PARK Index is able to compensate for greater disadvantage of PTDR. PARK Index is expected to be helpful in implementing evaluation of mortality outcome and to be a new index that can be applied to a trauma center quality improvement activity.

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Comparison of Outcomes at Trauma Centers versus Non-Trauma Centers for Severe Traumatic Brain Injury
Tae Seok Jeong, Dae Han Choi, Woo Kyung Kim
Journal of Korean Neurosurgical Society.2023; 66(1): 63. CrossRef
Comparison of Preventable Trauma Death Rates in Patients With Traumatic Brain Injury Before and After the Establishment of Regional Trauma Center: A Single Center Experience
Dae Han Choi, Tae Seok Jeong, Myung Jin Jang
Korean Journal of Neurotrauma.2023; 19(2): 227. CrossRef
PARK Index and S-score Can Be Good Quality Indicators for the Preventable Mortality in a Single Trauma Center
Chan Yong Park, Kyung Hag Lee, Na Yun Lee, Su Ji Kim, Hyun Min Cho, Chan Kyu Lee
Journal of Trauma and Injury.2017; 30(4): 126. CrossRef

Penetrating Neck Trauma: A Case of Spinal Cord Injury by Embedded Scissor: Seon Hee Kim, Sun Woo Choi, Sung Jin Park, Kwang Hee Yeo, Chang Wan Kim, Sang Bong Lee, Ho Hyun Kim, Chan Yong Park, Jae Hun Kim, Jung Joo Hwang, Hyun Min Cho; J Trauma Inj. 2015;28(2):71-74. Published online June 30, 2015; DOI: https://doi.org/10.20408/jti.2015.28.2.71

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Abstract PDF: Penetrating neck trauma involving spinal cord injury is relatively uncommon, but can be life-threatening. We report a case of 59-year-old female who presented with hypotension after stab injury self-inflicted with a scissor to her neck. Although Open removal of the scissor and control of bleeding were successfully done, penetration of spinal cord resulted in a neurologic impairment.; Summary

Successful Angiographic Embolization of Superficial Circumflex Iliac Artery Rupture Caused by Blunt Abdominal Trauma: A Case Report: Sang Bong Lee, Sung Jin Park, Kwang Hee Yeo, Ho Hyun Kim, Chan Yong Park, Jae Hun Kim, Chang Wan Kim, Seon Uoo Choi, Seon Hee Kim, Jung Joo Hwang, Hyun Min Cho; J Trauma Inj. 2015;28(1):39-42. Published online March 30, 2015; DOI: https://doi.org/10.20408/jti.2015.28.1.39

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Abstract PDF: Lat. abdominal wall hematoma with active bleeding is very rare but need prompt bleeding control. We report successful treatment by angiographic embolization of superficial circumflex iliac artery rupture caused by blunt trauma. A 60-year-old woman presented painful, enlarging, lat. abdominal wall mass with ecchymosis caused by blunt abdominal trauma. Contrast leakage of superficial circumflex iliac a. within the lt. ext. oblique m. hematoma was confirmed by abdominal computed tomography. Angiographic embolization was performed successfully. Patient was discharged at 4th day after trauma without complication. Angiographic embolization is important treatment option of lat. abdominal wall hematoma with active bleeding replacing emergency surgery.; Summary

Delayed Aortic Injury Caused by a Posterior Rib Fracture: A Case Report: Chang Wan Kim, Seon Uoo Choi, Seon Hee Kim, Jae Hun Kim, Jung Joo Hwang, Hyun Min Cho, Seung Hwan Song, Jeong Su Cho; J Trauma Inj. 2015;28(1):31-33. Published online March 30, 2015; DOI: https://doi.org/10.20408/jti.2015.28.1.31

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Abstract PDF: Traumatic aortic injury is well recognized as a primary cause of instantaneous death in victims of thoracic blunt trauma presenting with an aortic rupture or dissection, particularly after a deceleration injury. However, a direct aortic injury caused by a fractured rib segment after blunt thoracic trauma is extremely rare. We report the case of a 43-year-old male patient who experienced an aortic injury caused by the sharp edge of a fractured rib after multiple rib fractures due to blunt thoracic trauma.; Summary

Cervical Esophageal Perforation after Blunt Trauma: Hyun Min Cho, Young Jin Kim; J Korean Soc Traumatol. 2011;24(1):45-47.

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Abstract PDF: Esophageal perforation due to blunt trauma is rare. A 67-year-old male presented to Konyang University Hospital with painful neck swelling. His neck was injured by blunt trauma at work. Esophageal perforation was detected by neck CT and esophagography. We performed primary repair of cervical esophagus through the Lt. neck approach. The postoperative course was uneventful and the patient was discharged at postoperative day 15.; Summary

Early Surgical Stabilization of Ribs for Severe Multiple Rib Fractures: Jung Joo Hwang, Young Jin Kim, Han Young Ryu, Hyun Min Cho; J Korean Soc Traumatol. 2011;24(1):12-17.

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Abstract PDF: PURPOSE
A rib fracture secondary to blunt thoracic trauma continues to be an important injury with significant complications. Unfortunately, there are no definite treatment guidelines for severe multiple rib fractures. The purpose of this study was to evaluate the result of early operative stabilization and to find the risk factors of surgical fixation in patients with bilateral multiple rib fractures or flail segments.
METHODS
From December 2005 to December 2008, the medical records of all patients who underwent operative stabilization of ribs for severe multiple rib fractures were reviewed. We investigated patients' demographics, preoperative comorbidities, underlying lung disease, chest trauma, other associated injuries, number of surgical rib fixation, combined operations, perioperative ventilator support, and postoperative complications to find the factors affecting the mortality after surgical treatment.
RESULTS
The mean age of the 96 patients who underwent surgical stabilization for bilateral multiple rib fractures or flail segments was 56.7 years (range: 22 to 82 years), and the male-to-female ratio was 3.6:1. Among the 96 patients, 16 patients (16.7%) underwent reoperation under general or epidural anesthesia due to remaining fracture with severe displacement. The surgical mortality of severe multiple rib fractures was 8.3% (8/96), 7 of those 8 patients (87.5%) dying from acute respiratory distress syndrome or sepsis. And the other one patient expired from acute myocardial infarction. The risk factors affecting mortality were liver cirrhosis, chronic obstructive pulmonary disease, concomitant severe head or abdominal injuries, perioperative ventilator care, postoperative bleeding or pneumonia, and tracheostomy. However, age, number of fractured ribs, lung parenchymal injury, pulmonary contusion and combined operations were not significantly related to mortality.
CONCLUSION
In the present study, surgical fixation of ribs could be carried out as a first-line therapeutic option for bilateral rib fractures or flail segments without significant complications if the risk factors associated with mortality were carefully considered. Furthermore, with a view of restoring pulmonary function, as well as chest wall configuration, early operative stabilization of the ribs is more helpful than conventional treatment for patients with severe multiple rib fractures.; Summary

Clinical Aanalysis of Airway Trauma: Hyun Min Cho, Young Jin Kim, Han Young Ryu, Jung Joo Hwang; J Korean Soc Traumatol. 2011;24(1):7-11.

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Abstract PDF: PURPOSE
Traumatic airway injuries have high rates of mortality and morbidity. Thus, we evaluated the clinical results of trauma-related airway-injury patients.
METHODS
A clinical analysis was performed for patients with airway trauma who were admitted and treated at the Department of Thoracic and Cardiovascular Surgery, Konyang University Hospital from Dec. 2002 to Dec. 2009.
RESULTS
Sixteen patients were admitted and treated. Fourteen patients were male, and the ages of the patients ranged from 16 to 75 years. Six cases were penetrating injuries, 4 were traffic-accident injuries. 3 were fall injuries, and. 3 were other blunt trauma injuries. Anato- mic injuries included 14 trachea cases (87.5%), 1 Rt. main bronchus (6.25%), and 1 Lt. main bronchus cases (6.25%). Diagnosis was made by using computed tomography and bronchoscopy. Five patients were treated with an explothoracotomy, and 7 underwent neck exploration with primary repair. Three patients simply needed conservative management, and 1 patient was treated with a closed thoracostomy. The post-operative mortality rate was 6.25 % (1 patient).
CONCLUSION
Airway trauma is dangerous and should be treated as an emergency, so a high index of suspicion is essential for rapid diagnosis and successful surgical intervention in patients with airway injuries.; Summary

The Result of Open Reduction and Fixation in Sternal Fracture with Displacement: Young Jin Kim, Hyun Min Cho; J Korean Soc Traumatol. 2010;23(2):175-179.

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Abstract PDF: PURPOSE
Sternal fractures after blunt thoracic trauma can cause significant pain and disability. They are relatively uncommon as a result of direct trauma to the sternum and open reduction is reserved for those with debilitating pain and fracture displacement. We reviewed consecutive 11 cases of open reduction and fixation of sternum and tried to find standard approach to the traumatic sternal fractures with severe displacement.
METHODS
From December 2008 to August 2010, the medical records of 11 patients who underwent surgical reduction and fixation of sternum for sternal fractures with severe displacement were reviewed. We investigated patients' characteristics, chest trauma, associated other injuries, type of open reduction and fixation, combined operations, preoerative ventilator support and postoperative complications.
RESULTS
The mean patient age was 59.3years (range, 41~79). The group comprised 6 male and 5 female subjects. Among 11 patients who underwent open reduction and fixation for sternal fracture with severe displacement, 6 cases had isolated sternal fractures and the other 5 patients had associated other injuries. Sternal fractures were caused by car accidents (9/11, 81.8%), falling down (1/11, 9.1%) and direct blunt trauma to the sternum (1/11, 9.1%), respectively. 3 of the 7 patients (42.9%) who underwent sternal plating with longitudinal plates showed loosening of fixation. Otherwise, none of the 4 patients who underwent surgical fixation using T-shaped plate had stable alignment of the fracture.
CONCLUSION
Sternal fractures with severe displacement need to be repaired to prevent chronic pain, instability of the anterior chest wall, deformity of the sternum, and even kyphosis. In the present study, a T-shaped plate with a compression-tension mechanism constitutes the treatment of choice for displaced sternal fractures.; Summary

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