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RISS 인기검색어
- 검색키워드
- 저자 : Jaseong Baek (검색결과 3 건)
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A Study on the Multi-Domain Environment and Revolution in Military Affairs of the Korean Military
Jaseong Baek,Jiwon Yun J-INSTITUTE 2022 International Journal of Terrorism & National Secu Vol.7 No.1
Purpose: The purpose of this paper is to analyze the impact of the technology of the fourth industrial revolution on the changes in the operational environment, and present the operational employment concept and military buildup related directions of the Korean armed forces in accordance with the changed operational environment in terms of revolution in military affairs. Method: The existing studies of domestic and foreign academics on combat domain, fourth industrial revolution, revolution in military affairs, and joint operations, etc., and the literature focused on research papers published by the Joint Chiefs of Staff and the Army were explored. Based on which, the historical evolution process of technology and domain was examined, and after deriving the evolutionary direction of the field that the fourth industrial revolution will bring, an exploratory approach was attempted to present the joint operational concept and military buildup related direction in line with the characteristics of the new domain. Results: The impact of the fourth industrial revolution across all sectors of society is reflected in the military field as well, fundamentally changing the concept of weapon systems and military operations. The advancement of military science and technology is creating a multi-domain environment by expanding the cross domain. In such a multi-domain environment, joint operations ought to include not only the integrated operation of traditional military types, but also the integrated operation of the domain at the same time. Furthermore, it was confirmed that in order to secure cross domain capabilities appropriate for the multi-domain environment, it is necessary to review the basic concept of joint operation, develop a new paradigm for the appropriate allocation of capabilities, and set a variable point of equilibrium for efficient operation of capabilities. Conclusion: Revolution in military affairs is a process which dramatically amplifies combat effects by developing a new power system by applying the new military science and technologies, and innovatively developing and harmoniously operating joint operational concept and the organizational structures related thereto. Hence, approaching the multi-domain operation (MDO) of the US Army in terms of revolution in military affairs rather than operational aspects will offer useful implications for the Korean armed forces.
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Baek Han-Sang,Ha Jeonghoon,Kim Kwangsoon,Bae Jaseong,Kim Jeong Soo,Kim Sungju,Lim Dong-Jun,Kim Chulmin 대한의학회 2023 Journal of Korean medical science Vol.38 No.34
Background: Recently, active surveillance (AS) has been introduced as an alternative to early surgery (ES) for the management of papillary thyroid microcarcinoma (PTMC), because of its indolent features and low mortality. However, its cost effects have not been determined and the findings of current studies differ, according to each country’s medical system. Methods: A Markov model was constructed to compare the cost-effectiveness of AS and ES, based on a reference case of a 40-year-old patient diagnosed with PTMC. Costs and transition probabilities were derived from previous clinical studies in Korean populations, and the incremental cost-effectiveness ratio (ICER) and net monetary benefit (NMB) were calculated. The willingness-to-pay (WTP) threshold was set at USD 100,000 per quality-adjusted life year (QALY) gained. Sensitivity analyses were conducted to address the uncertainties in the model’s variables. Results: From the base scenario, the cumulative costs and effectiveness were both higher in ES than AS. The ICER for ES, compared with AS, was USD 6,619.86/QALY, lower than the set WTP. The NMB difference between AS and ES increased across the stages (USD 5,980 at the first stage and USD 159,667 at the last stage). The ICER increased along with decreasing age and increasing cost of surgery. The higher the ES utility score and the lower that of AS, the more cost-effective ES, with WTP set at USD 30,000. Conclusion: In the current Korean medical system, ES is more cost-effective than AS. ES is more cost-effective as it is diagnosed at young age and followed-up for a long time.
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Delayed Intravenous Thrombolysis in Patients with Minor Stroke
Yoo, Joonsang,Sohn, Sung-Il,Kim, Jinkwon,Ahn, Seong Hwan,Lee, Kijeong,Baek, Jang-Hyun,Kim, Kyoungsub,Hong, Jeong-Ho,Koo, Jaseong,Kim, Young Dae,Kwak, Jaehyuk,Nam, Hyo Suk,Heo, Ji Hoe S. Karger AG 2018 Cerebrovascular diseases Vol.46 No.1
<P><B><I>Background:</I></B> The actions and responses of the hospital personnel during acute stroke care in the emergency department (ED) may differ according to the severity of a patient’s stroke symptoms. We investigated whether the time from arrival at ED to various care steps differed between patients with minor and non-minor stroke who were treated with intravenous tissue plasminogen activator (IV tPA). <B><I>Methods:</I></B> We included consecutive patients who received IV tPA during a 1.5 year-period in 5 hospitals. Minor stroke was defined as a National Institutes of Health Stroke Scale (NIHSS) score < 5. We compared various intervals from arrival at the ED to treatment between patients with minor stroke and those with non-minor stroke (NIHSS score ≥5). Delayed treatment was defined as a door-to-needle time > 40 min. <B><I>Results:</I></B> During the study period, 356 patients received IV tPA treatment. The median door-to-needle time was significantly longer in the minor stroke group than it was in the non-minor stroke group (43 min [interquartile range [IQR] 35.5–55.5] vs. 37 min [IQR 30–46], <I>p</I> < 0.001). The minor stroke group had a significantly longer door-to-notification time (7 min [IQR 4.5–12] vs. 5 min [IQR 3–8], <I>p</I> < 0.001) and door-to-imaging time (20 min [IQR 15–26.5] vs. 16 min [IQR 11–21], <I>p</I> < 0.001) than did the non-minor stroke group. However, the imaging-to-needle time was not different between the groups. Multivariable analyses revealed that minor stroke was associated with delayed treatment (OR 2.54 [95% CI 1.52–4.30], <I>p</I> = 0.001). <B><I>Conclusions:</I></B> Our findings show that the door-to-needle time was longer in patients with minor stroke than it was in those with non-minor stroke, mainly owing to delayed action in the initial steps of neurology notification and imaging. Our findings suggest that some quality improvement initiatives are necessary for patients with suspected stroke with minor symptoms.</P>
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