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JYMS : Journal of Yeungnam Medical Science

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Byung Soo Do 11 Articles
Determining the correlation between outdoor heatstroke incidence and climate elements in Daegu metropolitan city
Jung Ho Kim, Hyun Wook Ryoo, Sungbae Moon, Tae Chang Jang, Sang Chan Jin, You Ho Mun, Byung Soo Do, Sam Beom Lee, Jong-yeon Kim
Yeungnam Univ J Med. 2019;36(3):241-248.   Published online July 2, 2019
DOI: https://doi.org/10.12701/yujm.2019.00248
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AbstractAbstract PDF
Background
Heatstroke is one of the most serious heat-related illnesses. However, establishing public policies to prevent heatstroke remains a challenge. This study aimed to investigate the most relevant climate elements and their warning criteria to prevent outdoor heatstroke (OHS).
Methods
We investigated heatstroke patients from five major hospitals in Daegu metropolitan city, Korea, from June 1 to August 31, 2011 to 2016. We also collected the corresponding regional climate data from Korea Meteorological Administration. We analyzed the relationship between the climate elements and OHS occurrence by logistic regression.
Results
Of 70 patients who had heatstroke, 45 (64.3%) experienced it while outdoors. Considering all climate elements, only mean heat index (MHI) was related with OHS occurrence (p=0.019). Therefore, the higher the MHI, the higher the risk for OHS (adjusted odds ratio, 1.824; 95% confidence interval, 1.102–3.017). The most suitable cutoff point for MHI by Youden’s index was 30.0°C (sensitivity, 77.4%; specificity, 73.7%).
Conclusion
Among the climate elements, MHI was significantly associated with OHS occurrence. The optimal MHI cutoff point for OHS prevention was 30.0°C.
Comparison of the Accuracy of the CPR Methods According to Change of the Ratio between Compression and Ventilation : Using a Training Mannikin
Sung Hoon Lee, Sam Beom Lee, Byung Soo Do
Yeungnam Univ J Med. 2007;24(2 Suppl):S544-548.   Published online December 31, 2007
DOI: https://doi.org/10.12701/yujm.2007.24.2S.S544
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AbstractAbstract PDF
Background
:Newly revised cardiopulmonary resuscitation (CPR) guideline in 2005 recommends 30 chest compressions and 2 rescue breaths during CPR for all rescuers to use for all adult victims. We would compare the accuracy of the CPR methods by revised CPR guideline in 2005 and previous guideline in 2000. Materials and Methods:Fifty medical students during the introduction to clinical medicine (ICM) were investigated after 30 minutes lecture and brief education of CPR methods. Each students performed twice both CPR methods, the one by guideline 2005 (method A), 4 cycles of 30 compressions every 2 breaths, and the other by guideline 2000 (method B), 10 cycles of 15 compressions every 2 breaths. Resci® Anne mannekin and Laerdal® skillmeter were used and paper reports were printed after each tests. After then, we compared the technical accuracy of the results between method A (30:2) and method B (15:2).
Results
:Total fifty students (37 males, 13 females) were tested, their mean age was 25.1, mean body weight was 63.5 kg. The technical accuracy on chest compression was not different between two methods and also the technical accuracy on ventilation was not different between two methods except total ventilation number (p>0.05).
Conclusion
:We could not find significant differences of technical accuracy between both CPR methods. So we don’t think new guideline 2005 is superior to previous guideline 2000 by technical efforts although it’s hemodynamic responses and other clinical benefits is excluded in this study.
Prehospital Status of the Patients with Ischemic Chest Pain before Admitting in the Emergency Department.
Hye Hwa Jin, Sam Beom Lee, Byung Soo Do, Byung Yeol Chun
Yeungnam Univ J Med. 2007;24(1):41-54.   Published online June 30, 2007
DOI: https://doi.org/10.12701/yujm.2007.24.1.41
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AbstractAbstract PDF
BACKGROUND
The causes of chest pain vary but the leading cause of chest pain is ischemic heart disease. Mortality from ischemic chest pain has increased more than two fold over the last ten years. The purpose of this study was to determine the data necessary for rapid treatment of patients with signs and symptoms of ischemic chest pain in the emergency department (ED). MATERIALS AND METHODS: We interviewed 170 patients who had ischemic chest pain in the emergency department of Yeungnam University Hospital over 6 months with a protocol developed for the evaluation. The protocol used included gender, age, arriving time, prior hospital visits, methods of transportation to the hospital, past medical history, final diagnosis, and outcome information from follow up. RESULTS: Among 170 patients, there were 118 men (69.4%) and the mean age was 63 years. The patients diagnosed with acute myocardial infarction (AMI) were 106 (62.4%) and with angina pectoris (AP) were 64 (37.6%). The patients who had visited another hospital were 68.8%, twice the number that came directly to this hospital (p<0.05). The ratio of patients who visited another hospital were higher for the AMI (75.5%) than the AP (59.4%) patients (p<0.05). The median time spent deciding whether to go to hospital was 521 minutes and for transportation was 40 minutes. With regard to patients that visited another hospital first, the median time spent at the other hospital was 40 minutes. The total median time spent before arriving at our hospital was 600 minutes (p>0.05). The patients who had a total time delay of over 6 hours was similar 54.8% in the AMI group and 57.9% in the AP group (p>0.05). As a result, only 12.2% of the patients with an AMI received thrombolytics, and 48.8% of them had a simultaneous percutaneous coronary intervention (PCI). In the emergency department 8.5% of the patients with an AMI died. CONCLUSION: Timing is an extremely important factor for the treatment of ischemic heart disease. Most patients arrive at the hospital after a long time lapse from the onset of chest pain. In addition, most patients present to a different hospital before they arrive at the final hospital for treatment. Therefore, important time is lost and opportunities for treatment with thrombolytics and/or PCI are diminished leading to poor outcomes for many patients in the ED. The emergency room treatment must improve for the identification and treatment of ischemic heart disease so that patients can present earlier and treatment can be started as soon as they present to an emergency room.
A Case of Subcutaneous Emphysema without Associated Injuries at Neck from Motorcycle Accident.
Jung Ho Kim, Sam Beom Lee, Byung Soo Do
Yeungnam Univ J Med. 2003;20(2):217-222.   Published online December 31, 2003
DOI: https://doi.org/10.12701/yujm.2003.20.2.217
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AbstractAbstract PDF
Subcutaneous emphysema defines collection of air in subcutaneous spaces of body. It is usually originated from air in upper airway and lower respiratory tract such as larynx, trachea, bronchus and lungs. Air in subcutaneous spaces derives from leakage of air due to tearing or ruptures of airway structures, and also accompanies pneumothorax or pneumomediastinum and/or rib or sternal fractures or other major airway injuries. We experienced a case of subcutaneous emphysema caused by laryngeal injury without any associated airway injuries at neck from motorcycle accident, so we would report a case with the review of literatures.
A Case of Spontaneous Pneumomediastinum without Direct Cause.
Sam Beom Lee, Jung Ho Kim, Byung Soo Do
Yeungnam Univ J Med. 2003;20(2):212-216.   Published online December 31, 2003
DOI: https://doi.org/10.12701/yujm.2003.20.2.212
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AbstractAbstract PDF
No abstract available.
Multimarker Approach by Troponin T, C-Reactive Protein, and CK-MB to Assessment in AMI in the Emergency Department.
Sam Beom Lee, Jung Ho Kim, Byung Soo Do
Yeungnam Univ J Med. 2003;20(2):197-205.   Published online December 31, 2003
DOI: https://doi.org/10.12701/yujm.2003.20.2.197
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AbstractAbstract PDF
No abstract available.
What is Emergency Medicine and Its Agenda for Future.
Byung Soo Do, Sam Beom Lee
Yeungnam Univ J Med. 2002;19(2):92-98.   Published online December 31, 2002
DOI: https://doi.org/10.12701/yujm.2002.19.2.92
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AbstractAbstract PDF
Emergency medicine(EM) is the specialty of evaluating, stabilizing and initiating treatment for patients with life or limb-threatening illnesses or injuries. Techniques unique to the specialty of EM are the triage systems, quick stabilization methods, and emergency surgery procedures. The field of EM encompasses areas such as emergency department management, disaster planning and management, the management of emergency medical service(EMS) systems, research into such areas as brain and heart resuscitation, trauma and disaster management, survival medicine, and environmental emergencies(cold and heat injuries, poisioning, decompression sickness and barotrauma). Today, in addition to providing emergency care, the emergency specialists have moral and legal obligations to assess and report probable cases of child and spouse abuse, sexual assault, and alcohol and drug abuse. Future, the EM should provide surveillance, identification, intervention, and evaluation of injury and disease, therefore EM will remain as a key component of evolving community health care system.
Clinical Presentation of th patients with Non-traumatic Chest Pain in Emergency Department.
Jun Young Chung, Sam Beom Lee, Byung Soo Do, Jong Seon Park, Dong Gu Shin, Young Jo Kim
Yeungnam Univ J Med. 1999;16(2):283-295.   Published online December 31, 1999
DOI: https://doi.org/10.12701/yujm.1999.16.2.283
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AbstractAbstract PDF
BACKGROUND
Patients with acute non-traumatic chest pain are among the most challenging patients for care by emergency physicians, so the correct diagnosis and triage of patients with chest pain in the emergency department(ED) becomes important. To avoid discharging patients with acute myocardial infarction(AMI) without medical care, most emergency physicians attempt to admit almost all patients with acute chest pain and order many laboratory tests for the patients. But in practice, many patients with non-cardiac pain can be discharged with simple tests and treatment. These patients occupy expensive intensive care beds, substantially increasing financial cost and time of stay at ED for the diagnosis and treatment of myocardial ischemia and AMI. Despite vigorous efforts to identify patients with ischemic heart disease, approximately 2% to 5% of patients presented to the ED with AMI and chest pain are inadvertently discharged. If the cause for the chest pain is known, rapid and accurate diagnosis can be implemented, preventing wastes in time and money and inadvertent discharge. Methods and Results: The medical records of 488 patients from Jan. 1 to Dec. 31, 1997 were reviewed. There were 320(angina pectoris 140, AMI 128) cases of cardiac diseases, and 168(atypical chest pain 56, pneumothorax 47) cases of non-cardiac diseases. The number of associated symptoms were 1.1+/-0.9 in non-cardiac diseases, 1.4+/-1.1 in cardiac diseases and 1.7+/-1.1 in AMI(p<0.05). In laboratory finding the sensitivity of electrocardiography(EKG) was 96.1%, while the sensitivity of myoglobin test ranked 45.1%. Admission rate was 71.6% in for cardiac diseases and 50.6% for non-cardiac diseases(p<0.01). Mortality rate was 8.8% in all cases, 13.8% in cardiac diseases, 0.6% in non-cardiac diseases, and 28.1% especially in AMI. CONCLUSION: In conclusion, all emergency physicians should have thorough knowledge of the clinical characteristics of the diseases which cause non-traumatic chest pain, because a patient with any of these life-threatening diseases would require immediate treatment. Detailed history on the patient should be taken and physical examination performed. Then, the most simple diagnostic approach should be used to make an early diagnosis and to provide treatment.
Analysis of Arrival Information and Status of the Patients in Emergency Department.
Sam Beom Lee, Byung Soo Do
Yeungnam Univ J Med. 1999;16(2):277-282.   Published online December 31, 1999
DOI: https://doi.org/10.12701/yujm.1999.16.2.277
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AbstractAbstract PDF
BACKGROUND
For effective and systematic management of patients in the emergency department (ED), the data on patient arrival and status in DE of Yeungnam University Hospital were evaluated, MATERIALS AND METHODS: During the seven days form Apr. 1 to. 7 , 1998, the general patient information such as onset time and place, factors associated with transportation. causes of admission, cared department and patient disposition were recorded. RESULTS: Total of 464 patients visited the ED during the seven days, and the mean number of patients per day was 66.3 Male to female ratio was 1:0.71. Daily staying patients were 17.3 and 83.6 patients were cared totally each day. The methods of transportation and distribution of patients according to region and event were as follows: visit by walk (57.3%), transportation by car(58.0%),place of event in residence(85.3%), regional distribution in Taegu(81.5%), and direct visit(97.4%). Cause of admission due to diseases was 74.6%. The percentages of department which cared the patients were internal medicine 26.6%, pediatrics 16.8%, orthopedics 8.6%, neurology 8.2%, neurosurgery 7.8% and other department including emergency medicine 8.2%, respectively. Patient dispositions were admission 38.4%, discharge 61.0% and death on arrival(DOA) 0.6%, but referred-patient-to -another-hospital was zero. CONCLUSION: Improvements in several aspects of ED's caring system such as "fast tracking" system and reinforcement of disease and trauma caring system, would be helpful for effective management of emergency patients.
Status of the Use and Assessment of Order-Communicating System(OCS) in Emergency Care Center.
Sam Beom Lee, Jun Young Chung, Byung Soo Do
Yeungnam Univ J Med. 1997;14(1):85-93.   Published online June 30, 1997
DOI: https://doi.org/10.12701/yujm.1997.14.1.85
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AbstractAbstract PDF
Hospital information system has been widely used and increased recently for a variety of many aspects. And Order-Communication System(OCS), as like as hospital information system, has been used in many medical care facilities, which is simple and easily accessible, useful system. Also then the use of OCS in emergency care center in YUMC has been introduced sine 1996. 10, above 70% of availability is notice at present and increasing in the use rate, is considered that is very simple and accurate, time-saving, widely applicable system. So authors say that, after the use of OCS in emergency care center, interhospital exchange of the patient's information and also accomplishment of EMSS can be possible.

Citations

Citations to this article as recorded by  
  • A CAOPI System Based on APACHE II for Predicting the Degree of Severity of Emergency Patients
    Young-Ho Lee, Un-Gu Kang, Eun-Young Jung, Eun-Sil Yoon, Dong-Kyun Park
    Journal of the Korea Society of Computer and Information.2011; 16(1): 175.     CrossRef
Splenectomy in Hereditary Spherocytosis in Childhood.
Young Soo Heo, Chang Sig Kim, Byung Soo Do, Bo Yang Suh, Jeong Ok Hah
Yeungnam Univ J Med. 1994;11(1):42-48.   Published online June 30, 1994
DOI: https://doi.org/10.12701/yujm.1994.11.1.42
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  • 1 Crossref
AbstractAbstract PDF
Among the erythrocyte membrane defects, hereditary spherocytosis is the most common. The erythrocyte membrane defect results from a deficiency of spectrin, the most important structural protein in red cell. Hereditary spherocytosis often presents with hemolytic anemia, jaundice, moderate splenomegaly. Diagnosis is established by the presence of spherocytes in the peripheral blood, reticulocytosis, an increased osmotic fragility, and a negative Coombs test. In children, splenectomy is usually performed after age 6 years but can be done at a younger age if warranted by the severity of the anemia and the need for frequent transfusions. In the period December 1987 to Agust 1993, 9 patients with hereditrary spherocytosis underwent splenectomy and the following results were obtained. 1. Nine patients were comprised of five males and four females. 2. Five patients(55.6%) had been admitted to our hospital during age 6-10 years. 3. Four of the nine patients had autosomal dominant inheritance with variable expression. The other five patients had no known inheritance. 4. The diagnosis of the spherocytosis was based on the increased osmotic fragility and increased autohemolysis of the erythrocytes, as well as on the appearance of spherocytes in the peripheral blood smear. 5. In all cases splenectomy was performed. Two patients had concomitant gall stones and choledocholithiasis, respectively. One patient with concomitant gall stones underwent simultaneous cholecystectomy and splenectomy. The other patients associated with choledocholithiasis underwent splenectomy, cholecystectomy, choledocholithotomy, and T-tube drainage. 6. Complete hematologic recovery was obtained by the splenectomy in all cases. 7. Postoperative complication was not occurred.

Citations

Citations to this article as recorded by  
  • A histopathological study of spectrum of splenic lesions- An eleven year analysis of clinical and pathological aspects of splenectomy specimens in a tertiary care hospital
    Namratha R, Vijaya B, Karthika Bhadran
    Indian Journal of Pathology and Oncology.2022; 9(3): 220.     CrossRef

JYMS : Journal of Yeungnam Medical Science