전체메뉴
Article Search

KJASEM The Korean Journal of Aerospace and Environmental Medicine

QR Code QR Code

Most Downloaded

KORENG
  • Original Article2021-12-31

    5년간의 미국 이민 비자 신체검사 결과 분석

    Juwon Lim , M.D., Ph.D.
    Korean J Aerosp Environ Med 2021; 31(3): 77-81 https://doi.org/10.46246/KJAsEM.210018

    Abstract : Purpose: The United States of America have pre-migration screening program are mandated through legislation. The one of purpose of this program is to prevent the importation of certain communicable diseases. Examinations of migration applicants are performed by panel physicians who are licensed physicians in the countries of origin that have agreements with the government departments of the country of destination to undertake this activity. In recent decades, the number of US migrants has increased, however COVID-19 impacted this trend of international migrants. The Aim of this study is to examine trends of US applicants and outcomes of tuberculosis and sexual transmitted infections (STIs) screening in South Korean applicants for US visa. Methods: A total of 4,442 applicants participated in US visa health check-up in 2016 to 2020. Results: The numbers of applicant for US visa in males and females was 1,814 and 2,628. The positive results in tuberculosis and STIs screening was noted with 0.66% in nontuberculous mycobacteria (NTM), 0.03% in tuberculosis, 0.03% in gonorrhea, 0.08% in syphilis, and 0.74% in chlamydia. The age groups of 2 to 14 years showed higher positive rate (13.89%) in tuberculin skin test (TST) tests compared to the rate of interferon gamma release assay (IGRA) tests (0.44%, P

  • Review Article2022-04-30

    항공 피로위험관리를 위한 생체수리적 모델 접근 방안

    Daeho Kim , Ph.D.
    Korean J Aerosp Environ Med 2022; 32(1): 4-12 https://doi.org/10.46246/KJAsEM.220004

    Abstract : In the aviation sector, it is recommended to adopt an aviation safety management system (SMS) from international organizations (International Civil Aviation Organization, Federal Aviation Administration, etc.) and to apply a related system in each organization. Among them, fatigue management recommends fatigue risk management system (FRMS) operating as part of SMS proactive risk management. Advanced aviation organizations are developing and applying various related risk assessment techniques that consider characteristics in order to apply scientific and systematic FRMS. Among which the biomathematical fatigue model (BFM) are representative. The Bio-mathematical Model is designed to represent the level by converting it into a simple numerical score, taking into account various related factors for the measurement object. The BFM is tool to predict the level of fatigue of the crew based on scientific understanding of the factors that contribute to fatigue. The Biomathematical Model is used as a scientific approach that promotes the transition to a performance-based safety management. In this study, the recent trends and implications for the BFM developed and applied in the aviation field are to be reviewed. First, FRMS was considered within the SMS framework, then the characteristics and application methods of the BFM were examined, and finally, the direction of the development of the BFM was suggested.

  • Review Article2021-12-31

    기내 심폐소생술과 COVID-19

    Jung Eon Kim , M.D.
    Korean J Aerosp Environ Med 2021; 31(3): 68-72 https://doi.org/10.46246/KJAsEM.210020

    Abstract : As the number of passengers using aircraft increases around the world, there may be more medical measures needed within the aircraft. These medical measures may also include measures against serious situations such as cardiopulmonary resuscitation (CPR). However, since the environment is different from the hospital in the aircraft, it may be difficult to cope with such a situation. Moreover, such in-flight CPR may become more difficult at a time when the proportion of out-of-hospital CPR is decreasing due to the recent COVID-19 pandemic. In this paper, I would like to summarize how in-flight CPR is performed and review the main discussions on CPR in the COVID-19 pandemic, and finally suggest how to perform a safe CPR in the COVID-19 situation.

  • Review Article2022-08-31

    우주에서의 외과수술

    Yongwoong Lee
    Korean J Aerosp Environ Med 2022; 32(2): 39-43 https://doi.org/10.46246/KJAsEM.220010

    Abstract : For Mars exploration, spaceflight is advancing with the goal of sending manned spacecraft to Mars. Mars is 54.6 million kilometers away when it is closest to Earth. If a surgical emergency occurs during Mars exploration, it could take months or years to transport patients. Research estimates that an average of one surgical emergency will occur every 2.4 years during the Mars expedition for a crew of seven. Considering the astronomical cost of space travel and astronaut training, surgical treatment needs to be considered. There are various problems in performing surgery in space, but typically, physiological changes in the body due to microgravity, difficulty in performing surgery due to an unfamiliar environment, and difficulty in maintaining sterility can be considered. Also, since an experienced surgeon cannot ride on all spaceships, tele-surgery is required. As an alternative to overcome these problems, robot assisted minimal invasive surgery has been proposed. However, it is necessary to solve the signal delay caused by the longer distance. Other alternatives, such as the development of Robot technology, rapid transport due to trauma pod, and performing surgery while notifying the crew medical officer, have been suggested.

  • Review Article2021-12-31

    코로나19 팬데믹과 조종사 정신건강 관리

    Young Hwan Kwon , M.D.
    Korean J Aerosp Environ Med 2021; 31(3): 64-67 https://doi.org/10.46246/KJAsEM.210019

    Abstract : When the COVID-19 crisis hit air transport, the whole aviation industry was affected. The change in the behavior of passengers following the COVID-19 crisis, travel restrictions and the ensuing economic crisis have resulted in a dramatic drop in demand for airline services. The COVID-19 pandemic, with all its associated consequences, has had a significant impact on the mental health and well-being of pilots, which could impact operational safety. As the number of international flights has decreased, pilots are exposed to high levels of psychological stress such as job instability, reduced income and increased risk of infection during flight work. Psychological stress lowers work performance and threatens aviation safety. The pilot needs mental health management during the COVID-19 pandemic, but psychological support is weak. For pilot mental health management, it is important to raise awareness about mental health and to continuously respond. To this end, it is necessary to foster a safe and trustworthy culture in which mental health issues are discussed freely and solved together without hiding them. They should also support the establishment of a peer support program that is easily accessible and that allows pilots to discuss their issues with confidence.

  • Original Article2022-04-30

    머신러닝 알고리즘을 이용한 A형 간염 항체 여부 판별의 정확도

    Juwon Lim , M.D., Ph.D.
    Korean J Aerosp Environ Med 2022; 32(1): 16-21 https://doi.org/10.46246/KJAsEM.220005

    Abstract : Purpose: The objective of this study was to develop a model for predicting the positivity of hepatitis A antibody based on nationwide health information using a machine learning technique. Methods: We used a data set that included the records of 4,626 samples. the data was randomly divided into a training set 80% (3,701) and validation set 20% (925). Customized sequential convolutional neural network (CNN) model was used to predict the positivity of hepatitis A antibody. The loss and accuracy of this model was calculated. Results: This model has 12-input and 2-concatenate and 3-dense layers. The total parameters of this model were 1,779. The accuracy quickly reached to over 85% validation accuracy in 50 epochs. The train loss, train accuracy, validation loss and validation accuracy of this model were 25.4%, 89.5%, 29.0%, and 87.2%, respectively. Conclusion: The model derived from the sequential CNN model exhibited a high level of accuracy. This model is a useful tool for predicting the positivity of hepatitis A antibody.

  • Original Article2022-04-30

    Epidemiological Aspects of Hepatitis E Virus Infections between South Korea and Japan

    Myeong-Jin Lee , Ph.D., Won-Chang Lee , Ph.D., Young Hwan Kwon , M.D.
    Korean J Aerosp Environ Med 2022; 32(1): 27-31 https://doi.org/10.46246/KJAsEM.220003

    Abstract : Purpose: Hepatitis E outbreaks are a serious public health concern in the world. The pilots or air traffic controllers can be incapacitated by severe hepatitis symptoms. If the symptoms of acute hepatitis do not improve, it is not suitable for aviation duties. In this study, we compare of incidence status of hepatitis E virus (HEV) infections, and epidemic aspects between South Korea (from here on, ‘Korea’) and Japan. Methods: The raw data on confirmed of HEV infection cases were obtained from the National Notified Disease Surveillance System of Korea Diseases Control and Prevention Agency, the Ministry of Health and Welfare in Korea, and the National Epidemiological surveillance of Infectious Diseases surveillance system, administered by the National Institute of Infectious Diseases in Japan. Statistically significant differences between the epidemiological aspects and risk factors were determined using the Pearson’s chi-squared test or paired t-test. All data analyses were performed in Microsoft Excel 2010 (Microsoft, Redmond, WA, USA). Results: There were 191 cases of HEV infected cases with a prevalence rate (PR) of 0.37 per 100,000 populations of Korea in 2020. During the same year in Japan, there were 454 cases with a PR of 0.36. When compared, there is statistically none significantly differences. Moreover, both PR per 100,000 populations of HEV infections in habitat of two countries were compared, in the provinces (0.39) of Korea were much higher than that in capital city of Seoul (0.27; P

  • Editorial2022-04-30

    편집자 주: 32권 1호

    Juwon Lim , M.D., Ph.D.
    Korean J Aerosp Environ Med 2022; 32(1): 1-3 https://doi.org/10.46246/KJAsEM.220008

    Abstract : In Vol. 32, No. 1, our journal prepared 1 review article, 4 original articles, and 2 case reports. First, the Biomathematical Models for Aviation Fatigue Risk Management were introduced. Among the four original articles, it is possible to get insights into the management of cancer diseases in aviation workers, and it is expected to solve various problems in aerospace medicine through a research case using machine learning techniques. A similar trend was observed in the medical tourism along with the decrease of the aviation industry due to COVID-19. Hepatitis E infection can be occurred in both the public and aviation workers, and the management system was established in 2020 as a second-grade legal infectious disease in Korea. In two case reports, we introduced a case of the Phakic intraocular lenses insertion and a case of the acute myocardial infarction and pericardial effusion.

  • Original Article2022-04-30

    항공 신체검사 증명을 받은 국내 항공 종사자 암 질환 유병률 조사 연구

    JoungSoon Jang , M.D., Ph.D.
    Korean J Aerosp Environ Med 2022; 32(1): 13-15 https://doi.org/10.46246/KJAsEM.220002

    Abstract : Purpose: The medical certification for pilots is required by the aviation safety authority based with the aviation safety act. Methods: In this study, aeromedical decision results according to aviation medical examination of the years from 2013 to 2015 were reviewed by retrospective analysis. Results: Data from a cumulative total of 19,459 cases were screened. Of these, 15% were determined to be fit with condition. Among them, 259 were diagnosed with cancer. The ratios by cancer type are as follows: the most common cancer was thyroid cancer (39.7%), followed by gastric cancer (12.1%), kidney cancer (7.9%), colorectal cancer (7.9%), skin cancer (7.9%), prostate cancer (7.5%), lymphoma/leukemia (5.9%), lung cancer (5.0%), head and neck cancer (2.5%), and other cancers (2.5%). Conclusion: The number of aircrew with cancer tends to increase slightly every year. The most common cause of thyroid cancer seems to be due to excessive diagnostic activity.

  • Case Report2021-12-31

    만성 골수성 백혈병을 가진 조종사 증례: 항공의학적 고찰

    JoungSoon Jang , M.D.
    Korean J Aerosp Environ Med 2021; 31(3): 82-83 https://doi.org/10.46246/KJAsEM.210017

    Abstract : Chronic myeloid leukemia (CML) is myeloproliferative neoplasm associated with a characteristic chromosomal translocation (bcr-abl) called Philadelphia chromosome which plays a key role in the pathogenesis. Approximately 85% of patients with CML are in the chronic phase at the time of diagnosis. During this phase, patients are well tolerated and have few symptoms. But untreated, over the course of several years progresses to an accelerated phase and ultimately to a blast crisis, the terminal phase. CML is largely treated with targeted drug therapy called tyrosine-kinase inhibitors (TKIs) which have led to dramatically improved long-term survival rates since 2001. These drugs became standard treatment of this disease and allow most patients to have much better quality of life when compared to the former chemotherapy drugs and the bone marrow transplantation. Imatinib (Gleevec or Glivec, Norvatis) was the first of these TKIs and found to inhibit the progression of CML in the majority of patients (65%–75%) sufficiently to achieve remission. Since the advent of imatinib, CML has become the first neoplasm in which a medical treatment can give to the patient a normal life expectancy.

Journal Info

The Korean Journal of Aerospace and Environmental Medicine
September 2023
Vol.33 No.3

pISSN 1738-2548
eISSN 2713-9972

Archives

Editorial Office

Most Articles

KORENG
  • Original Article2022-04-30

    Epidemiological Aspects of Hepatitis E Virus Infections between South Korea and Japan

    Abstract : Purpose: Hepatitis E outbreaks are a serious public health concern in the world. The pilots or air traffic controllers can be incapacitated by severe hepatitis symptoms. If the symptoms of acute hepatitis do not improve, it is not suitable for aviation duties. In this study, we compare of incidence status of hepatitis E virus (HEV) infections, and epidemic aspects between South Korea (from here on, ‘Korea’) and Japan. Methods: The raw data on confirmed of HEV infection cases were obtained from the National Notified Disease Surveillance System of Korea Diseases Control and Prevention Agency, the Ministry of Health and Welfare in Korea, and the National Epidemiological surveillance of Infectious Diseases surveillance system, administered by the National Institute of Infectious Diseases in Japan. Statistically significant differences between the epidemiological aspects and risk factors were determined using the Pearson’s chi-squared test or paired t-test. All data analyses were performed in Microsoft Excel 2010 (Microsoft, Redmond, WA, USA). Results: There were 191 cases of HEV infected cases with a prevalence rate (PR) of 0.37 per 100,000 populations of Korea in 2020. During the same year in Japan, there were 454 cases with a PR of 0.36. When compared, there is statistically none significantly differences. Moreover, both PR per 100,000 populations of HEV infections in habitat of two countries were compared, in the provinces (0.39) of Korea were much higher than that in capital city of Seoul (0.27; P

  • Review Article2022-04-30

    항공 피로위험관리를 위한 생체수리적 모델 접근 방안

    Abstract : In the aviation sector, it is recommended to adopt an aviation safety management system (SMS) from international organizations (International Civil Aviation Organization, Federal Aviation Administration, etc.) and to apply a related system in each organization. Among them, fatigue management recommends fatigue risk management system (FRMS) operating as part of SMS proactive risk management. Advanced aviation organizations are developing and applying various related risk assessment techniques that consider characteristics in order to apply scientific and systematic FRMS. Among which the biomathematical fatigue model (BFM) are representative. The Bio-mathematical Model is designed to represent the level by converting it into a simple numerical score, taking into account various related factors for the measurement object. The BFM is tool to predict the level of fatigue of the crew based on scientific understanding of the factors that contribute to fatigue. The Biomathematical Model is used as a scientific approach that promotes the transition to a performance-based safety management. In this study, the recent trends and implications for the BFM developed and applied in the aviation field are to be reviewed. First, FRMS was considered within the SMS framework, then the characteristics and application methods of the BFM were examined, and finally, the direction of the development of the BFM was suggested.

  • Review Article2021-12-31

    기내 심폐소생술과 COVID-19

    Abstract : As the number of passengers using aircraft increases around the world, there may be more medical measures needed within the aircraft. These medical measures may also include measures against serious situations such as cardiopulmonary resuscitation (CPR). However, since the environment is different from the hospital in the aircraft, it may be difficult to cope with such a situation. Moreover, such in-flight CPR may become more difficult at a time when the proportion of out-of-hospital CPR is decreasing due to the recent COVID-19 pandemic. In this paper, I would like to summarize how in-flight CPR is performed and review the main discussions on CPR in the COVID-19 pandemic, and finally suggest how to perform a safe CPR in the COVID-19 situation.

  • Review Article2021-12-31

    코로나19 팬데믹과 조종사 정신건강 관리

    Abstract : When the COVID-19 crisis hit air transport, the whole aviation industry was affected. The change in the behavior of passengers following the COVID-19 crisis, travel restrictions and the ensuing economic crisis have resulted in a dramatic drop in demand for airline services. The COVID-19 pandemic, with all its associated consequences, has had a significant impact on the mental health and well-being of pilots, which could impact operational safety. As the number of international flights has decreased, pilots are exposed to high levels of psychological stress such as job instability, reduced income and increased risk of infection during flight work. Psychological stress lowers work performance and threatens aviation safety. The pilot needs mental health management during the COVID-19 pandemic, but psychological support is weak. For pilot mental health management, it is important to raise awareness about mental health and to continuously respond. To this end, it is necessary to foster a safe and trustworthy culture in which mental health issues are discussed freely and solved together without hiding them. They should also support the establishment of a peer support program that is easily accessible and that allows pilots to discuss their issues with confidence.

  • Review Article2022-08-31

    The Enhancing Error Management of Pilot and Line Operation Safety Audit

    Abstract : The human factors become the most important factor in aviation safety. In order to prevent accident, pilots should manage errors in the cockpit. International Civil Aviation Authority (ICAO) recommends airlines to implement line operation safety audit (LOSA) to identify the management of errors by pilots and understand real errors and the competencies. The LOSA may provide metrics of the prevalence of errors by each types and rate of trapping errors to management enhancing errors. Airlines may understand how crew respond and manage errors. The operator may enhance safety once they identify errors and train crew how they manage to reduce the most mismanagement errors. This study is to provide operators eight recommendations on how to enhance errors and LOSA understanding human errors collected through LOSA and enhancing the implementation of LOSA with guidance according to ICAO and Federal Aviation Administration.

  • Original Article2023-03-31

    항공학과 학생들의 MBTI 성격 유형별 조직몰입 및 팀워크 역량 차이분석

    Abstract : Purpose: For students who have already decided on their career path by entering the aviation departments, this study aims to analyze organizational commitment and teamwork relationships using the Myers-Briggs Type Indicator (MBTI) personality type as a tool. Methods: In order to investigate the career choices of aviation workers according to MBTI personality types, a survey was conducted targeting enrolled in and graduating from the aviation departments, and organizational commitment and teawork were analyzed using SPSS WIN 21.0. Results: Sening, Feeling, and Perceiving were mainly found in students who chose cabin crew as their career, whereas students in department of flight crew and aviation maintenance showed high level in Instuition, Thinkg, and Juding. As a result of the analysis, the MBTI type for each career path of aviation students was mainly ENTP for flight crew students, ESFP for cabin crew students, and INTP for aviation maintenance students. Conclusion: Even if students make their choice based on advice, subjective and objective judgments in choosing a career path, there are cases in which the chosen job does not suit them. Therefore, it is hoped that various indicators such as the MBTI will be used to help studnes choose their career path.

  • Original Article2022-04-30

    최근 6년간 일개 병원의 외국인 환자 현황과 코로나19의 영향

    Abstract : Purpose: As it becomes difficult to move between countries due to the spread of COVID-19, it can be expected that the number of foreign patients entering Korea for treatment will decrease significantly. The purpose of this study is to investigate the current status of hospitalization of foreign patients over the past 6 years and the impact of COVID-19. Methods: The sex, age, nationality, and histories of foreign patients who visited the International Medical Center from 2016 to 2021 were collected. A total of 25,569 subjects were analyzed. Results: For six years from 2016 to 2021, the number of foreign patients increased steadily before COVID-19 but decreased significantly after COVID-19. Overall, it was analyzed that the average annual growth rate of foreign patients from 2016 to 2019 was about 6%. However, due to the impact of COVID-19, the number of patients in 2020 decreased by about 57% compared to the previous year and by about 1% in 2021 compared to the previous year. Conclusion: It is believed that the decrease in foreign patients in a situation such as Corona 19 is due not only to the risk of infection, but also to the difficulty of moving between countries. In other words, it can be said that the driving force for the movement due to the medical skill gap still exists. Therefore, if this situation improves, it is judged that the phenomenon of moving abroad in search of medical care is inevitable.

Most Articles
KORENG
  • Review Article2020-04-30

    한국형 기내 의학적 상황 대처 방안 안내서

    Abstract : Purpose: As it becomes difficult to move between countries due to the spread of COVID-19, it can be expected that the number of foreign patients entering Korea for treatment will decrease significantly. The purpose of this study is to investigate the current status of hospitalization of foreign patients over the past 6 years and the impact of COVID-19. Methods: The sex, age, nationality, and histories of foreign patients who visited the International Medical Center from 2016 to 2021 were collected. A total of 25,569 subjects were analyzed. Results: For six years from 2016 to 2021, the number of foreign patients increased steadily before COVID-19 but decreased significantly after COVID-19. Overall, it was analyzed that the average annual growth rate of foreign patients from 2016 to 2019 was about 6%. However, due to the impact of COVID-19, the number of patients in 2020 decreased by about 57% compared to the previous year and by about 1% in 2021 compared to the previous year. Conclusion: It is believed that the decrease in foreign patients in a situation such as Corona 19 is due not only to the risk of infection, but also to the difficulty of moving between countries. In other words, it can be said that the driving force for the movement due to the medical skill gap still exists. Therefore, if this situation improves, it is judged that the phenomenon of moving abroad in search of medical care is inevitable.

  • Original Article2020-04-30

    항공종사자 건강증진활동계획에 반영되어야 할 근거자료: 3년간의 항공신체검사 결과 분석

    Abstract : Purpose: As it becomes difficult to move between countries due to the spread of COVID-19, it can be expected that the number of foreign patients entering Korea for treatment will decrease significantly. The purpose of this study is to investigate the current status of hospitalization of foreign patients over the past 6 years and the impact of COVID-19. Methods: The sex, age, nationality, and histories of foreign patients who visited the International Medical Center from 2016 to 2021 were collected. A total of 25,569 subjects were analyzed. Results: For six years from 2016 to 2021, the number of foreign patients increased steadily before COVID-19 but decreased significantly after COVID-19. Overall, it was analyzed that the average annual growth rate of foreign patients from 2016 to 2019 was about 6%. However, due to the impact of COVID-19, the number of patients in 2020 decreased by about 57% compared to the previous year and by about 1% in 2021 compared to the previous year. Conclusion: It is believed that the decrease in foreign patients in a situation such as Corona 19 is due not only to the risk of infection, but also to the difficulty of moving between countries. In other words, it can be said that the driving force for the movement due to the medical skill gap still exists. Therefore, if this situation improves, it is judged that the phenomenon of moving abroad in search of medical care is inevitable.

  • Original Article2020-08-31

    최근 5년간 국적항공사 조종사의 항공신체검사 부적합 판정결과

    Abstract : Purpose: As it becomes difficult to move between countries due to the spread of COVID-19, it can be expected that the number of foreign patients entering Korea for treatment will decrease significantly. The purpose of this study is to investigate the current status of hospitalization of foreign patients over the past 6 years and the impact of COVID-19. Methods: The sex, age, nationality, and histories of foreign patients who visited the International Medical Center from 2016 to 2021 were collected. A total of 25,569 subjects were analyzed. Results: For six years from 2016 to 2021, the number of foreign patients increased steadily before COVID-19 but decreased significantly after COVID-19. Overall, it was analyzed that the average annual growth rate of foreign patients from 2016 to 2019 was about 6%. However, due to the impact of COVID-19, the number of patients in 2020 decreased by about 57% compared to the previous year and by about 1% in 2021 compared to the previous year. Conclusion: It is believed that the decrease in foreign patients in a situation such as Corona 19 is due not only to the risk of infection, but also to the difficulty of moving between countries. In other words, it can be said that the driving force for the movement due to the medical skill gap still exists. Therefore, if this situation improves, it is judged that the phenomenon of moving abroad in search of medical care is inevitable.

  • Original Article2022-04-30

    Epidemiological Aspects of Hepatitis E Virus Infections between South Korea and Japan

    Abstract : Purpose: As it becomes difficult to move between countries due to the spread of COVID-19, it can be expected that the number of foreign patients entering Korea for treatment will decrease significantly. The purpose of this study is to investigate the current status of hospitalization of foreign patients over the past 6 years and the impact of COVID-19. Methods: The sex, age, nationality, and histories of foreign patients who visited the International Medical Center from 2016 to 2021 were collected. A total of 25,569 subjects were analyzed. Results: For six years from 2016 to 2021, the number of foreign patients increased steadily before COVID-19 but decreased significantly after COVID-19. Overall, it was analyzed that the average annual growth rate of foreign patients from 2016 to 2019 was about 6%. However, due to the impact of COVID-19, the number of patients in 2020 decreased by about 57% compared to the previous year and by about 1% in 2021 compared to the previous year. Conclusion: It is believed that the decrease in foreign patients in a situation such as Corona 19 is due not only to the risk of infection, but also to the difficulty of moving between countries. In other words, it can be said that the driving force for the movement due to the medical skill gap still exists. Therefore, if this situation improves, it is judged that the phenomenon of moving abroad in search of medical care is inevitable.

  • Review Article2021-04-30

    항공종사자와 코로나바이러스감염증-19 백신 예방 접종

    Abstract : Purpose: As it becomes difficult to move between countries due to the spread of COVID-19, it can be expected that the number of foreign patients entering Korea for treatment will decrease significantly. The purpose of this study is to investigate the current status of hospitalization of foreign patients over the past 6 years and the impact of COVID-19. Methods: The sex, age, nationality, and histories of foreign patients who visited the International Medical Center from 2016 to 2021 were collected. A total of 25,569 subjects were analyzed. Results: For six years from 2016 to 2021, the number of foreign patients increased steadily before COVID-19 but decreased significantly after COVID-19. Overall, it was analyzed that the average annual growth rate of foreign patients from 2016 to 2019 was about 6%. However, due to the impact of COVID-19, the number of patients in 2020 decreased by about 57% compared to the previous year and by about 1% in 2021 compared to the previous year. Conclusion: It is believed that the decrease in foreign patients in a situation such as Corona 19 is due not only to the risk of infection, but also to the difficulty of moving between countries. In other words, it can be said that the driving force for the movement due to the medical skill gap still exists. Therefore, if this situation improves, it is judged that the phenomenon of moving abroad in search of medical care is inevitable.

  • Review Article2020-08-31

    피로위험관리를 위한 조종사 피로측정방법 고찰

    Abstract : Purpose: As it becomes difficult to move between countries due to the spread of COVID-19, it can be expected that the number of foreign patients entering Korea for treatment will decrease significantly. The purpose of this study is to investigate the current status of hospitalization of foreign patients over the past 6 years and the impact of COVID-19. Methods: The sex, age, nationality, and histories of foreign patients who visited the International Medical Center from 2016 to 2021 were collected. A total of 25,569 subjects were analyzed. Results: For six years from 2016 to 2021, the number of foreign patients increased steadily before COVID-19 but decreased significantly after COVID-19. Overall, it was analyzed that the average annual growth rate of foreign patients from 2016 to 2019 was about 6%. However, due to the impact of COVID-19, the number of patients in 2020 decreased by about 57% compared to the previous year and by about 1% in 2021 compared to the previous year. Conclusion: It is believed that the decrease in foreign patients in a situation such as Corona 19 is due not only to the risk of infection, but also to the difficulty of moving between countries. In other words, it can be said that the driving force for the movement due to the medical skill gap still exists. Therefore, if this situation improves, it is judged that the phenomenon of moving abroad in search of medical care is inevitable.

  • Review Article2023-03-31

    중대재해처벌법 시행에 따른 항공분야 위험성 평가 기법 연구

    Abstract : Purpose: As it becomes difficult to move between countries due to the spread of COVID-19, it can be expected that the number of foreign patients entering Korea for treatment will decrease significantly. The purpose of this study is to investigate the current status of hospitalization of foreign patients over the past 6 years and the impact of COVID-19. Methods: The sex, age, nationality, and histories of foreign patients who visited the International Medical Center from 2016 to 2021 were collected. A total of 25,569 subjects were analyzed. Results: For six years from 2016 to 2021, the number of foreign patients increased steadily before COVID-19 but decreased significantly after COVID-19. Overall, it was analyzed that the average annual growth rate of foreign patients from 2016 to 2019 was about 6%. However, due to the impact of COVID-19, the number of patients in 2020 decreased by about 57% compared to the previous year and by about 1% in 2021 compared to the previous year. Conclusion: It is believed that the decrease in foreign patients in a situation such as Corona 19 is due not only to the risk of infection, but also to the difficulty of moving between countries. In other words, it can be said that the driving force for the movement due to the medical skill gap still exists. Therefore, if this situation improves, it is judged that the phenomenon of moving abroad in search of medical care is inevitable.

Most Articles
KORENG
  • Original Article2021-12-31

    5년간의 미국 이민 비자 신체검사 결과 분석

    Abstract : Purpose: The United States of America have pre-migration screening program are mandated through legislation. The one of purpose of this program is to prevent the importation of certain communicable diseases. Examinations of migration applicants are performed by panel physicians who are licensed physicians in the countries of origin that have agreements with the government departments of the country of destination to undertake this activity. In recent decades, the number of US migrants has increased, however COVID-19 impacted this trend of international migrants. The Aim of this study is to examine trends of US applicants and outcomes of tuberculosis and sexual transmitted infections (STIs) screening in South Korean applicants for US visa. Methods: A total of 4,442 applicants participated in US visa health check-up in 2016 to 2020. Results: The numbers of applicant for US visa in males and females was 1,814 and 2,628. The positive results in tuberculosis and STIs screening was noted with 0.66% in nontuberculous mycobacteria (NTM), 0.03% in tuberculosis, 0.03% in gonorrhea, 0.08% in syphilis, and 0.74% in chlamydia. The age groups of 2 to 14 years showed higher positive rate (13.89%) in tuberculin skin test (TST) tests compared to the rate of interferon gamma release assay (IGRA) tests (0.44%, P

  • Review Article2022-04-30

    항공 피로위험관리를 위한 생체수리적 모델 접근 방안

    Abstract : In the aviation sector, it is recommended to adopt an aviation safety management system (SMS) from international organizations (International Civil Aviation Organization, Federal Aviation Administration, etc.) and to apply a related system in each organization. Among them, fatigue management recommends fatigue risk management system (FRMS) operating as part of SMS proactive risk management. Advanced aviation organizations are developing and applying various related risk assessment techniques that consider characteristics in order to apply scientific and systematic FRMS. Among which the biomathematical fatigue model (BFM) are representative. The Bio-mathematical Model is designed to represent the level by converting it into a simple numerical score, taking into account various related factors for the measurement object. The BFM is tool to predict the level of fatigue of the crew based on scientific understanding of the factors that contribute to fatigue. The Biomathematical Model is used as a scientific approach that promotes the transition to a performance-based safety management. In this study, the recent trends and implications for the BFM developed and applied in the aviation field are to be reviewed. First, FRMS was considered within the SMS framework, then the characteristics and application methods of the BFM were examined, and finally, the direction of the development of the BFM was suggested.

  • Review Article2021-12-31

    기내 심폐소생술과 COVID-19

    Abstract : As the number of passengers using aircraft increases around the world, there may be more medical measures needed within the aircraft. These medical measures may also include measures against serious situations such as cardiopulmonary resuscitation (CPR). However, since the environment is different from the hospital in the aircraft, it may be difficult to cope with such a situation. Moreover, such in-flight CPR may become more difficult at a time when the proportion of out-of-hospital CPR is decreasing due to the recent COVID-19 pandemic. In this paper, I would like to summarize how in-flight CPR is performed and review the main discussions on CPR in the COVID-19 pandemic, and finally suggest how to perform a safe CPR in the COVID-19 situation.

  • Review Article2022-08-31

    우주에서의 외과수술

    Abstract : For Mars exploration, spaceflight is advancing with the goal of sending manned spacecraft to Mars. Mars is 54.6 million kilometers away when it is closest to Earth. If a surgical emergency occurs during Mars exploration, it could take months or years to transport patients. Research estimates that an average of one surgical emergency will occur every 2.4 years during the Mars expedition for a crew of seven. Considering the astronomical cost of space travel and astronaut training, surgical treatment needs to be considered. There are various problems in performing surgery in space, but typically, physiological changes in the body due to microgravity, difficulty in performing surgery due to an unfamiliar environment, and difficulty in maintaining sterility can be considered. Also, since an experienced surgeon cannot ride on all spaceships, tele-surgery is required. As an alternative to overcome these problems, robot assisted minimal invasive surgery has been proposed. However, it is necessary to solve the signal delay caused by the longer distance. Other alternatives, such as the development of Robot technology, rapid transport due to trauma pod, and performing surgery while notifying the crew medical officer, have been suggested.

  • Review Article2021-12-31

    코로나19 팬데믹과 조종사 정신건강 관리

    Abstract : When the COVID-19 crisis hit air transport, the whole aviation industry was affected. The change in the behavior of passengers following the COVID-19 crisis, travel restrictions and the ensuing economic crisis have resulted in a dramatic drop in demand for airline services. The COVID-19 pandemic, with all its associated consequences, has had a significant impact on the mental health and well-being of pilots, which could impact operational safety. As the number of international flights has decreased, pilots are exposed to high levels of psychological stress such as job instability, reduced income and increased risk of infection during flight work. Psychological stress lowers work performance and threatens aviation safety. The pilot needs mental health management during the COVID-19 pandemic, but psychological support is weak. For pilot mental health management, it is important to raise awareness about mental health and to continuously respond. To this end, it is necessary to foster a safe and trustworthy culture in which mental health issues are discussed freely and solved together without hiding them. They should also support the establishment of a peer support program that is easily accessible and that allows pilots to discuss their issues with confidence.

  • Original Article2022-04-30

    머신러닝 알고리즘을 이용한 A형 간염 항체 여부 판별의 정확도

    Abstract : Purpose: The objective of this study was to develop a model for predicting the positivity of hepatitis A antibody based on nationwide health information using a machine learning technique. Methods: We used a data set that included the records of 4,626 samples. the data was randomly divided into a training set 80% (3,701) and validation set 20% (925). Customized sequential convolutional neural network (CNN) model was used to predict the positivity of hepatitis A antibody. The loss and accuracy of this model was calculated. Results: This model has 12-input and 2-concatenate and 3-dense layers. The total parameters of this model were 1,779. The accuracy quickly reached to over 85% validation accuracy in 50 epochs. The train loss, train accuracy, validation loss and validation accuracy of this model were 25.4%, 89.5%, 29.0%, and 87.2%, respectively. Conclusion: The model derived from the sequential CNN model exhibited a high level of accuracy. This model is a useful tool for predicting the positivity of hepatitis A antibody.

  • Original Article2022-04-30

    Epidemiological Aspects of Hepatitis E Virus Infections between South Korea and Japan

    Abstract : Purpose: Hepatitis E outbreaks are a serious public health concern in the world. The pilots or air traffic controllers can be incapacitated by severe hepatitis symptoms. If the symptoms of acute hepatitis do not improve, it is not suitable for aviation duties. In this study, we compare of incidence status of hepatitis E virus (HEV) infections, and epidemic aspects between South Korea (from here on, ‘Korea’) and Japan. Methods: The raw data on confirmed of HEV infection cases were obtained from the National Notified Disease Surveillance System of Korea Diseases Control and Prevention Agency, the Ministry of Health and Welfare in Korea, and the National Epidemiological surveillance of Infectious Diseases surveillance system, administered by the National Institute of Infectious Diseases in Japan. Statistically significant differences between the epidemiological aspects and risk factors were determined using the Pearson’s chi-squared test or paired t-test. All data analyses were performed in Microsoft Excel 2010 (Microsoft, Redmond, WA, USA). Results: There were 191 cases of HEV infected cases with a prevalence rate (PR) of 0.37 per 100,000 populations of Korea in 2020. During the same year in Japan, there were 454 cases with a PR of 0.36. When compared, there is statistically none significantly differences. Moreover, both PR per 100,000 populations of HEV infections in habitat of two countries were compared, in the provinces (0.39) of Korea were much higher than that in capital city of Seoul (0.27; P

Most Articles