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Jung Hwan Ahn 3 Articles
Current State and Problem of the Transfer of Severely Injured Patients in One Regional Emergency Medical Center
Won Chul Lee, Choong Hyun Jo, Kyoung Won Jung, Young Gi Min, Sang Cheon Choi, Gi Woon Kim, Jung Hwan Ahn, Yong Sik Jung, Sun Ae Hwang, Ji Yong Kim, Kug Jong Lee, Yoon Seok Jung
J Korean Soc Traumatol. 2010;23(1):6-15.
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  • 14 Download
AbstractAbstract PDF
PURPOSE
Trauma is one of the leading causes of death, especially among young people. Life-threatening conditions are very common in multiple-traumatized patients due to concurrent multi-organ injuries. Treating such severely injured patients is time critical. However, in Korea, the transfer of severely injured patients is not uncommon due to the lack of a mature trauma care system. In developed countries, the preventable trauma death rate is very low, but the rate is still very high in Korea. This study's objective was to demonstrate the current serious state in which severely injured patients have to be transferred from a Regional Emergency Medical Center even though it actually serves as a trauma center.
METHODS
Ajou University Medical Center is a tertiary hospital that serves as a trauma center in Gyeonggi-do. The medical records at Ajou University Medical Center for a 1-year period from January 1, 2008, to December 31, 2008, were retrospectively reviewed. A severely injured patient was defined as a patient who showed more than 15 point on the ISS (injury severity score) scale. We investigated the clinical characteristics of such patients and the causes of transfer.
RESULTS
Out of 81,718 patients who visited the Regional Emergency Medical Center, 19,731 (24.1%) were injured patients. Among them, 108 severely-injured patients were transferred from one Regional Emergency Medical Center to other hospitals. The male-to-female ratio was about 3.5:1, and the mean ISS was 23.08. The most common mechanism of injury was traffic accidents (41.7%). A major cause of transfer was the shortage of intensive care units (44.4%); another was for emergent operation (27.8%). Most of the hospitals that received the severely-injured patients were secondary hospitals (86.1%).
CONCLUSION
Although the Regional Emergency Medical Center played a role as a trauma center, actually, severely-injured patients had to be transferred to other hospitals for several reasons. Most reasons were related with the deficiencies in the trauma care system. If a mature trauma care system is well-organized, the numbers of transfer of severely injured patients will be reduced significantly.
Summary
Therapeutic Plan for Traumatic Truncal Arterial Injury Associated with Truncal Organ Injury
Choong Hyun Jo, Yong Sik Jung, Wook Hwan Kim, Young Shin Cho, Jung Hwan Ahn, Young Gi Min, Yoon Seok Jung, Sung Hee Kim, Kug Jong Lee
J Korean Soc Traumatol. 2009;22(1):77-86.
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  • 1 Download
AbstractAbstract PDF
PURPOSE
The appropriate management of traumatic truncal arterial injury is often difficult to determine, particularly if the injury is associated with severe additional truncal lesions. The timing of repair is controversial when patients arrive alive at the hospital. Also, there is an argument about surgery versus stent-graft repair. This study's objective was to evaluate the appropriate method and the timing for treatment in cases of truncal abdominal injury associated with other abdominal lesions.
Methods
The medical records at Ajou University Medical Center were reviewed for an 8-year period from January 1, 2001, to December 31, 2008. Twelve consecutive patients, who were diagnosed as having had a traumatic truncal arterial injury, were enrolled in our study. Patients who were dead before arriving at the hospital or were not associated with abdominal organ injury, were excluded. All patients involved were managed by using the ATLS (Advanced Trauma Life Support) guideline. Data on injury site, the timing and treatment method of repair, the overall complications, and the survival rate were collected and analyzed.
RESULTS
Every case showed a severe injury of more than 15 point on the ISS (injury severity score) scale. The male-to-female ratio was 9:3, and patients were 41 years old on the average. Sites of associated organ injury were the lung, spleen, bowel, liver, pelvic bone, kidney, heart, vertebra, pancreas, and diaphragm ordered from high frequency to lower frequency. There were 11 cases of surgery, and one case of conservative treatment. Two of the patients died after surgery for truncal organ injury: one from excessive bleeding after surgery and the other from multiple organ failure. Arterial injuries were diagnosed by using computed tomography in every case and 9 patients were treated by using an angiographic stent-graft repair. There were 3 patients whose vessels were normal on admission. Several weeks later, they were diagnosed as having a truncal arterial injury.
CONCLUSION
In stable rupture of the truncal artery, initial conservative management is safe and allows management of the major associated lesions. Stent grafting of the truncal artery is a valuable therapeutic alternative to surgical repair, especially in patients considered to be a high risk for a conventional horacotomy.
Summary
Fixation of Open Alveolar Bone Fractures: Easily Applicable Method in the Emergency Department
Seung Hwan Seol, Soo Hyun Cha, Sang Cheon Choi, Jung Hwan Ahn, Gi Woon Kim, Hea Kyung Choi, Joon Pil Cho, Yoon Seok Jung
J Korean Soc Traumatol. 2007;20(2):72-76.
  • 1,106 View
  • 47 Download
AbstractAbstract PDF
PURPOSE
The purpose of this clinical trial was to evaluate the fixation method for treating alveolar fractures in an emergency department.
METHODS
The efficiency of using the fixation method was judged on the basis of clinical criteria. Stability, occlusion state, bleeding amount after fixation, operation time, and difficulties during procedural operation were recorded.
RESULTS
Eight patients were enrolled in this study. In all instances, the fixation method was effective in bleeding control. Each patient had a noticeable decrement in bleeding. A wire was used for four of the eight patients, and nylon strings was used for the others. The average operation time was 6.3 minutes for the wire patients and 2.8 minutes for the Nylon string patients. No specific problem was identified during the procedural operation. However, the difference in the fixation material influenced the effectiveness of the procedure, the operation time, and the satisfaction of the doctor.
CONCLUSION
In the emergency department, the fixation method using wire or nylon string in the treatment of alveolar fractures is effective in bleeding control.
Summary

J Trauma Inj : Journal of Trauma and Injury