장 회전이상 환자에서 연령에 따른 임상적 특성의 차이

김종진,정규환,박태진,정성은,박귀원,Kim, Jong-Jin,Jung, Kyu-Whan,Park, Tae-Jin,Jung, Sung-Eun,Park, Kwi-Won 대한소아외과학회 2009 소아외과 Vol.15 No.2

Intestinal malrotation presents with different clinical characteristics, depending upon the age of the patient. The medical records of 44 patients treated for intestinal malrotation with/without midgut volvuls between January 2002 and August 2009 at Seoul National University Children's Hospital were reviewed retrospectively. Patients were grouped by the age criteria of 1 and 12 months. Fourteen patients were under 1 month of age (31.8 %), 9 patients between 1 month and 12 months (20.5 %) and 21 patients over 12 months (47.7 %). Twenty patients (45.5 %) presented with volvulus. Vomiting (66 %) and abdominal pain (20 %) were the most common symptoms. UGIS (68.2 %) was the most frequent diagnostic tool. Mean postoperative hospital stay was 13.7 days. There were 7 mild postoperative complications. Volvulus was more frequent in patients under 1 month (p=0.025) than over 1 month. The interval between diagnosis and operation was shorter in patients under 1 month (p=0.003) than in patients over one month of age. In the age between under and over 12 months, volvulus was more common in those under 12 months of age, but the difference was not significant. The interval from diagnosis to operation was shorter in patients under 12 months than over 12 months of age (p=0.001). Vomiting was the most frequent symptom in patients under 12 months. On the other hand, abdominal pain was the most frequent symptom in patients over 12 months. In conclusion, patients with intestinal malrotation had age-related differences in the presence of midgut volvulus, the interval between diagnosis and operation, and clinical symptoms. The age of the patient should be considered in order to determine adequate treatment of malrotation.

생활무용참가 노인의 건강증진행위와 성공적 노화인식 및 죽음수용태도 관계

김종진(Kim, Jung-Jin),조현익(Cho, Hyun-Ik),조성림  (Cho, Seong-Rim) 한국체육과학회 2013 한국체육과학회지 Vol.22 No.1

The purpose of this study was to investigate the relationship between health promotion behaviors, successful aging concept, and acceptant of death attitude among dance program participating elders. Through judgment sampling method, selected 434 survey questionnaires were used for final analysis from dance program participating elders. With the collected data, path analysis were performed by SPSS 15.0 and AMOS 7.0. The results of the analysis were summarized as follows. First, the perceived health condition of the aged participating in living dance affects perceived benefits, self-respect, and community environment positively. Second, the past health-related behaviors of the aged participating in living dance affect perceived benefits, perceived self-efficacy, self-respect, and community environment positively among behaviors and special perception and emotions factors while negatively their social support. Third, the perceived benefits, self-respect, and community environment among behaviors and special perception and emotions factors affect health promoting behaviors of the aged participating in living dance positively. Fourth, the health promoting behaviors of the aged participating in living dance affect their successful recognition of aging positively. Fifth, the health promoting behaviors of the aged participating in living dance affect their attitudes toward death negatively. Sixth, the successful recognition of aging of the aged participating in living dance does not affect their attitudes toward death.

본태성 고혈압에 있어서의 좌심방 수축기 시간 간격

김종진(Jong Jin Kim),임정식(Jeong Sik Lim),공덕경(Duck Kyung Gong),최경희(Kyoung Hee Choi),정인권(In Gweon Jung),정만홍(Man Hong Jung),이재우(Jae Woo Lee) 대한내과학회 1990 대한내과학회지 Vol.39 No.4

N/A The left atrial systolic time intervals and Doppler mitral flow velocity measurements were performed in 28 patients of essential hypertension and in 12 normal controls(Group I). The hypertensive patients were divided into two groups according to the absence (Group II, 12 cases) and the presence (Group III, 16 cases) of the fourth heart sound on phonocardiegram. Left atrial systalic time interva) indices included atrial pre-eiection period (APEP), corrected atrial pre-eiection period (APEEc), atrial eiection time (AET) and the ratio of APEP/AKT. The hypertensive patients with the fourth heart sound had a shorter APEPc (78±9 vs 94±11 ms, P<0.01), a longer AET (168±13 vs 144±11 ms, P<0.01), and a shorter APEPc/AET (0.48±0.08 vs 0.66±0.12, P<0.01). The ratio of mitral peak flow velocity during atrial systole to peak flow veloclty in early diastole (A/E ratio) was signifieantly higher in Group III compared with values in Group II (1.54±0.28 vs 1.29±0.31), as well as there being a significant increase of left ventricular wall thickness (2.88±0.38 vs 2.57±0.34 cm, P<0,05). There were no signilicant differences in the left atrial systolic time intervals and the A/E ratio between Group I and Group II. In concluslon, left atria) systolic time intervals can be a good method in the quantitative assessinent of left atrial function in hypertensive patients with left ventricular hypertrophy.

Step-cooling 알고리즘에 의해 제어되는 과냉각 저장이 갈치(Trichiurus lepturus)의 신선도 유지에 미치는 영향

김종진 ( Jong Jin Kim ),박동현 ( Dong Hyeon Park ),김은정 ( Eun Jeong Kim ),최미정 ( Mi-jung Choi ) 한국산업식품공학회 2021 산업 식품공학 Vol.25 No.3

본 연구는 얼음결정체의 형성을 막고자 step-cooling 알고리즘을 적용하여 갈치를 과냉각 저장하였다. 저장의 신선도 유지효과를 확인하기 위해 냉장 및 냉동 저장된 갈치와의 신선도 비교평가를 실시하였다. 과냉각 저장은 냉장 저장과 비교하였을 때, 일반세균수와 단백질 부패로 인해 그 함량이 증가되는 VBN, TMA 값에서 비교적 작은 값을 보여 품질 유지에 효과를 나타내었다. 또한, 냉동 저장과 비교하였을 때, pH, VBN 및 TMA에서는 저장이 종료된 12일을 기준으로 차이를 크게 나타내지 않았다. 일반 세균수에서는 9일차까지 비슷한 값을 유지하였으며, 12일 차에서는 과냉각 시료가 높은 값을 보였다. 이를 통해, 과냉각 저장이 미생물 생장을 최소화하고 단백질 부패를 지연시키는데 효과가 있다고 사료된다. 장기저장에서는 크게 영향을 미치지는 않았으나, 단기저장 관점에서는 냉장 저장보다 과냉각 저장이 갈치의 품질을 유지하는데 많은 장점을 가질 것으로 판단된다. In this study, the effect of supercooling (-2℃) on the preservation quality of hairtail (Trichiurus lepturus) was evaluated during a storage period up to 12 days. Quality factors such as appearance, color, drip loss, water holding capacity (WHC), pH, trimethylamine (TMA), volatile basic nitrogen (VBN), and total viable count (TVC) of supercooled hairtail samples were evaluated and compared with those of refrigerated (3℃), and frozen (-18℃) samples. As a result, the values of drip loss, VBN, TMA, and TVC of the supercooled sample after 12 days were 2.32%, 9.45 mg/100 g, 2.60 mg/100 g, and 4.89 log CFU/mL, which are significantly lower than those of the refrigerated sample (p< 0.05). Compared to freezing for 12 days, there are no significant differences with drip loss, pH, VBN, and TMA (p >0.05). The WHC of the supercooled samples during 12 days of storage period was significantly higher than that of the frozen sample (p<0.05). Based on this study, it could be suggested that supercooling is effective to maintain fresh fish quality in accordance with minimizing microbial growth, and retarding deterioration.

초등 컴퓨터 창의성 교재 개발 방안

김종진 ( Jong-jin Kim ),정원희 ( Won-hui Jeong ),정은영 ( Eun-young Jung ),김종훈 ( Jong-hoon Kim ) 한국정보처리학회 2004 한국정보처리학회 학술대회논문집 Vol.11 No.2

오늘날 IT의 급속한 진보는 개개인의 창의적인 아이디어와 지식, 정보의 생산과 활용이 앞으로의 국가 경쟁력을 좌우하게 사회를 변화시켰다. 이에 교육계에서도 ‘창의적인 능력을 발휘할 수 있는 인간상’을 추구하고 있으며 전국의 초·중등학교가 정보인프라 구축으로 컴퓨터를 활용하는 교육이 가능하게 되어 미래사회를 대비하여 정보우수인력을 길러낼 수 있는 여건이 조성된 것이다. 그러나 컴퓨터 교육이 소프트웨어 활용위주의 교육으로 치우치다 보니 창의력 제한, 자기 주도적 학습 능력 부족 등 여러 가지 문제점이 발생하고 있다. 따라서 본 연구는 컴퓨터 활용법에만 두었던 기존의 교육방법을 탈피하여 체계적이고 쉬운 초등 컴퓨터 창의성 교재 개발 연구 방안을 제시하고자 하는데 컴퓨터 기초원리에서부터 프로그래밍의 원리를 기반으로 한다.

알루미늄 용탕에서 Al-TiO2-C의 연소합성반응에 의한 in-situ Al/TiC 복합재료의 제조에 미치는 공정변수의 영향

김화정 ( Hwa Jung Kim ),이정무 ( Jung Moo Lee ),조영희 ( Young Hee Cho ),김종진 ( Jong Jin Kim ),김수현 ( Su Hyeon Kim ),이재철 ( Jae Chul Lee ) 대한금속재료학회(구 대한금속학회) 2012 대한금속·재료학회지 Vol.50 No.9

A feasible way to fabricate in-situ Al/TiC composites was investigated. An elemental mixture of Al-TiO2-C pellet was directly added into an Al melt at 800-920℃ to form TiC by self-combustion reaction. The addition of CuO initiates the self-combustion reaction to form TiC in 1-2 ㎛at the melt temperature above 850℃. Besides the CuO addition, a diluent element of excess Al plays a significant role in the TiC formation by forming a precursor phase, Al3Ti. Processing parameters such as CuO content, the amount of excess Al and the melt temperature, have affected the combustion reaction and formation of TiC, and their influences on the microstructures of in-situ Al/TiC composites are examined.

생약복합조성물(HemoHIM)의 사람 비만세포주 활성 억제 효과

김종진(Jong-Jin Kim),조성기(Sung-Kee Jo),정우희(Uhee Jung),박혜란(Hae-Ran Park),이성태(Sung-Tae Yee) 한국생명과학회 2009 생명과학회지 Vol.19 No.12

방사선에 대한 방호와 면역기능 조절을 목적으로 새로운 생약복합조성물인 HemoHIM을 개발하였다. 식품 원료로 사용 가능한 생약재 3종 당귀, 천궁, 백작약의 에탄올 분획을 열수추출물에 첨가하여 HemoHIM을 제조하였다. HemoHIM의 항알레르기 효과를 검증하기 위하여 사람 비만세포주 HMC-1을 사용해 compound 48/80으로 유도되는 히스타민 분비량과 PMA/A23187로 유도되는 염증성 사이토카인의 분비량을 측정하였다. 히스타민의 양은 형광분석법으로, 염증성 사이토카인 IL-6, IL-8, TNF-α, GM-CSF의 양은 효소결합 면역측정법으로 측정하였다. 저농도의 HemoHIM에 의해 히스타민 분비량이 억제되었고, 모든 농도에서 IL-6, TNF-α, GM-CSF의 분비량은 억제되었지만 IL-8은 고농도에서만 억제되었다. 사이토카인의 mRNA 발현량은 HemoHIM의 농도 의존적으로 억제되었다. 그리고 c-kit와 FcεRI의 mRNA 발현량도 모든 농도에서 억제되었지만, tryptase의 mRNA 발현량은 저 농도에서만 억제되었다. 이상의 결과로 HemoHIM이 비만세포의 활성을 억제하는 효과가 있다는 것을 알 수 있었으며, 상대적으로 독성이 적은 항알레르기 제재로 개발할 가능성을 제시한 것으로 생각된다. In our previous study, a new herbal preparation (HemoHIM) was developed as a functional food for the radioprotection and immunomodulatory agents. In order elucidate the mechanism involved, we examined the effect of HemoHIM on the compound 48/80-induced histamine release, and on the phorbol 12-myristate 13-acetate (PMA)/calcium ionophore (A23187)-induced inflammatory cytokine secretion in HMC-1. The cell culture supernatants were harvested, and the cytokines (IL-4, IL-6, IL-8, TNF-α, GM-CSF) in the supernatants were measured by enzyme-linked immunosorbent assay. The total RNA of the cells was extracted, and the cytokines or c-kit/tryptase/FcεRI's messenger RNA expressions were examined using reverse transcriptase polymerase chain reaction. Under low concentrations, HemoHIM inhibited histamine release in HMC-1 stimulated compound 48/80. Futhermore HemoHIM inhibited PMA/A23187-induced inflammatory cytokines' secreation or mRNA expression in a dose-dependent manner. But IL-8 secretion was not inhibited by low concentrayion of HemoHIM, respectively. The mRNA expression of c-kit and FcεRI were also inhibited in a dose-dependent manner. Tryptase mRNA expression was only inhibited by low concentration of HemoHIM. These results indicated that HemoHIM might be an useful agent for protection against allergy as well as immune modulation, especially since it is a relatively nontoxic natural product.

One-Shot System에 대한 점검주기 연장 방안 연구

김종진(Jong-jin Kim),송정훈(Jeong-hun Song),한정원(Jung-won Han),이창규(Chang-kyu Lee) 한국산학기술학회 2021 한국산학기술학회논문지 Vol.22 No.2

무기체계는 최근 고도의 신기술과 비용이 투자되어 첨단화, 정밀화 복합 기능화 등의 특징을 가진 형태로 변화하고 있다. 유도무기체계의 경우 주어진 임무를 한번만 수행하게 되는 One-Shot 시스템으로서 전원이 인가되어 임무를 수행하기까지 오랜 시간 동안 저장 되는 것이 특징이다. 이에 따라 유도무기체계의 경우도 경제적인 운용과 사용자의 안전성을 보장하는 측면에서 신뢰성이 보장되어야 한다. 특히 유도무기체계 중 보증탄의 형태로 개발된 유도탄의 경우, 개발단계 시 장기 저장 환경을 고려한 신뢰도 유지 기준이 제시 되고 이를 유지하기 위한 최적화된 점검주기가 필요하다. 본 연구는 현재 군에서 장기간 운용 중인 OO 유도탄을 대상으로 점검주기 간 발생한 정비현황 및 사격결과를 기초로 수학적 모형에 의한 추세 검정, 적합도 검정, 분포 분석 등을 통하여 실측 신뢰도를 산출한다. 이를 통하여 개발단계시 설정된 점검주기 모델(Martinez 기법)에 적용하여 개선된 점검주기를 활용 가능한지 여부를 판단한다. 마지막으로 이러한 연구 결과 자료를 종합하여 점검주기 연장에 따른 정책적 관리방안을 제언한다. The guided weapon system should ensure economical operation and user safety. In particular, in the case of guided weapon systems developed in the form of a guaranteed bomb, the standards for maintaining reliability considering the long-term storage environment are presented during the development stage, and an optimized inspection cycle is required to maintain this. This study calculated the reliability through a trend test, fitness test, and distribution analysis using a mathematical model based on the maintenance status and shooting results during the inspection period for OO missiles currently in operation for a long time in the military. Through this, it was applied to the inspection period model (Martinez) set during the development stage to determine if the improved inspection period can be utilized. Finally, by synthesizing the data from these studies, a policy management plan was developed according to the extension of the inspection period. The One-Shot system was operated at the inspection period set when it was developed. The study analyzed the actual failure and maintenance data to reset the efficient inspection period.

현대 여객기 퍼스트클래스 객실 디자인 특성에 관한 연구

정수연(Jung, Su-Yeon),김종진(Kim, Jong-jin) 한국실내디자인학회 2009 한국실내디자인학회 학술대회논문집 Vol.11 No.2

Along with the economic development of 21st century, airplane industry has gone through a significant development process as well. Since its inception of regular route in 1919 for the first time, ?airplane world? involving cabin interior, CI, brand marketing as well as a technical development has been recognised with a new point of view. In particular, design strategy for the cabin of the airplane companies is concentrated on the first class cabin interior so much as to mention that the number of seats of the first class should be increased by reducing the number of seats of the economy class and high satisfaction level of the passengers for the first class cabin space has been observed as well. It is expected that the passenger plane would be utilized by a lot of passengers as a fast transportation means owing to the tendency of globalization. This study is intended to suggest a first class cabin interior suitable for the domestic airplane companies by analyzing the cabin space of the past and the present of the passenger plane and identifying the merits and demerits of the cabin design of each airplane companies.

창정비요소 개발 과정정립을 통한 창정비요소개발 발전을 위한 제언

안정준(Jung-Jun Ahn),김종진(Jong-Jin Kim) 한국산학기술학회 2018 한국산학기술학회논문지 Vol.19 No.3

우리는 현존하는 북한의 위협과 미래에 예상되는 잠재적 위협에 대비해야 한다. 이를 위해 우리는 자원을 효율적으로 활용하여 전쟁에서 승리할 수 있는 군사력 건설에 노력하여야 한다. 무기체계는 획득단계에서 소요군에서 요구한 작전운용 성능(ROC)의 지속성을 기본으로 전투준비태세를 유지하고 작전지속지원능력을 보장할 수 있어야 한다. 이를 달성하기 위해서는 무기체계 획득에서 경제적이고 효율적인 창정비를 수행할 수 있도록 소요제안에서부터 창정비요소를 개발하는 과정의 정립이 중요하다. 경제적이고 효율적인 창정비를 수행하기 위한 창정비 요소를 개발하는 과정은 첫째, 소요제안에서부터 창정비 필요성을 검토하여 개략적인 창정비요소가 포함되어야 한다. 소요제기서를 토대로 장기소요결정을 통하여 선행연구에서 창정비요소 개발개념을 발전시켜야 하겠다. 둘째, 체계개발 단계에서 창정비요소를 개발할 수 있는 최초의 문서인 창정비 개발계획안을 작성하여야 한다. 창정비개발계획안은 입증시험과 확증시험을 통한 검증이 필요하다. 셋째, 체계개발 이후 검증된 창정비개발계획안에 따라 적시에 각 군의 군수사령부에서는 창정비 방침(안)과 창정비 요소개발 중기 소요제기(안)을 작성하여 보고되어야 한다. 또한 체계개발 시 검증된 창정비개발계획안은 창정비요소가 개발완료 될 시점까지 구체화되고 최신화 되어져야 한다. 창정비요소를 개발하는 과정의 정립은 적의 위협이 존재하고 자원이 부족한 우리의 현실에서 경제적이고 효율적인 군사력을 건설하는데 기여할 것이다. We have to prepare for the existing threats from North Korea and potential threats in the future. It is important to utilize our resources as effectively as possible to build military power that brings victory in a war. Based on a sustainable required operational capability, weapons systems at the acquisition stage need to maintain a combat-readiness posture and ensure operational sustainability. To achieve this, establishment of procedures that develop elements of depot maintenance at the beginning, which enables economical and effective depot maintenance during that stage, is essential. First, the requirement paper needs to develop the concept of the depot maintenance requirement through the pre-study outlined by this paper. Second, at the system development stage, a Development Plan of Depot Maintenance draft should be proposed. This is the initial paper that can develop the elements of depot maintenance, and it should be verified by a field test. Third, each force"s logistics command should write a Depot Maintenance Direction draft and a Mid-term Requirement of Elements of Depot Maintenance draft with the proven Development Plan of Depot Maintenance draft. Also, the verified paper needs to be realized and renewed by the time the Requirement of Elements of Depot Maintenance draft is completed. In conclusion, the procedures explained above will contribute to build an economical and effective military power in a reality faced with a resource shortage and threats from the enemy.