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장준호(Joon Ho Jang),이윤지(YoonJi Lee),이정현(Jung Hyun Lee),오진희(Jin Hee Oh),김종현(Jong Hyun Kim),유일한(Il Han Yoo) 대한소아신경학회 2018 대한소아신경학회지 Vol.26 No.3
Seizure is a temporary symptom or sign which is caused by an abnormal electrical stimulation of brain. Depending on whether a seizure has preceding factors or not, it can be further categorized into provoked and unprovoked seizure. In provoked seizure, it is important to find a cause for treatment. In this study, we would like to report a case of a 6 year-old male child with seizure caused by organophosphate poisoning. The patient s chief complaint was his decreased mental status accompanying seizure. Initially, status epilepticus was suspected but the response to anticonvulsants was not good, and resulted in prolonged respiratory failure. After 3 hours, the patient showed signs of cholinergic crisis. In response, atropine was administered and the condition improved. If respiratory failure or mental confusion persists even after cessation of seizure in status epilepticus, repetitive physical and neurological examinations should be carried out to find preceding factors. Even though the recent incidence of organophosphate poisoning has decreased, we would like to emphasize from our study that it should be considered as a preceding factor for seizure.
고집적 반도체 미세회로의 세정을 위한 Nano Spray 조건 최적화
임평호(Pyoung-Ho Lim),손근(Keun-Sohn),이상호(Sang-Ho Lee),장준호(Joon-Ho Jang),김형준(Hyung-Joon Kim) 대한기계학회 2011 대한기계학회 춘추학술대회 Vol.2011 No.10
It was investigated that nano size particles on 20nm scale pattern wafer were efficiently removed by using jet spray cleaning. In this study, deionized water and SC1 were sprayed on pattern wafer surfaces and nitrogen gas was used as carrier gas. The particle removal efficiency was evaluated by the spray height, a number of scanning, acceleration times of nozzle at wafer edge area and a kind of chemistry such as deionized water and SC1. Only deionized water was able to remove particles without surface damages but the superior particle removal was performed at sequential spray of deionized and SC1. At higher nozzle position than 45nm, slow movement on wafer edge area and at least 7 times scanning were required to get high particle removal efficiency.
안드로이드 리모콘으로 제어하는 3차원 LED 디스플레이
허경용(Gyeongyong Heo),장준호(Joon-Ho Jang) 한국컴퓨터정보학회 2013 한국컴퓨터정보학회 학술발표논문집 Vol.21 No.2
본 논문에서는 기존 전광판의 문제점을 보안할 수 있는 방법의 하나로 3차원 LED 디스플레이와 이를 제어할 수 있는 안드로이드 앱을 제안하고 구현하였다. 2차원 매트릭스 방식을 사용하고 있는 현재의 전광판을 3차원으로 확장함으로써 다양한 정보 전달이 가능하며 제어를 위해 별도의 하드웨어를 사용하지 않고 안드로이드 앱으로 블루투스 통신을 통해 제어함으로써 간편하면서도 확장이 용이한 제어 구조를 가질 수 있다.
What Sources determine the Economic Fluctuation of Anyang City and How Do We Interpret Them?
朴憲守(Park Heon-Soo),張俊鎬(Jang Joon-Ho),金承泰(Kim Seung-Tae),金周顯(Kim Joo-Hyun),曺圭榮(Cho Gyu-Young) 대한국토·도시계획학회 1998 國土計劃 Vol.33 No.6
IMF와 경기침체로 인한 영향은 아주 크게 나타나고 있다. 이런 상황에서 경제여건변화에 대한 지역경제의 반응이 어떻게 나타나고 있는가를 찾아보는 것은 중요한 의미를 가질 수 있다. 본 연구에서는 안양지역과 전국의 1976년부터 1997년까지의 12개 산업에 대한 연간 산업별 고용자수를 이용하여 안양지역의 산업경제변화에 영향을 주는 여건 변화를 규명하고자 구조적 VAR(structural vector autoregressive) 모형을 사용하였다. 여건변화(shocks)는 전국의 경제변화(national shocks), 전국산업의 기술적 변화(national industrial shocks), 안양지역의 경제변화(regional shocks), 안양지역 산업자체의 여건변화(idiosyncratic shocks)로 분류하여 이들간의 장기균형관계(long-run equilibrium)가 존재하는지를 공적분분석(cointegration analysis)을 통해 살펴보았다. 공적분이 존재하는 산업에 대해 오차수정모형(error correction model)을 이용한 단기(short -term), 중기(mid-term), 장기(long-term) 별로 여건변화들이 안양지역의 산업경제에 미치는 상대적 중요성을 예측오차분해(forecast error decompositions)와 충격반응(impulse responses)을 이용하여 분석하였다. 분석결과 일반적으로 지역 내 산업의 여건변화는 일부 산업에서 중요한, 대체로 국가전체의 여건변화가 지역경제에 영향을 미치는 것으로 나타났다. 이러한 분석결과는 안양지역경제 활성화를 위한 파급효과를 동학적(dynamic)으로 판단할 수 있게 한다.
김대중(Dae Jung Kim),한지숙(Jee Sook Hahn),장준호(Joon Ho Jang),이승태(Seung Tae Lee),민유홍(Yoo Hong Min),고윤웅(Yun Woong Ko) 대한내과학회 2000 대한내과학회지 Vol.58 No.3
Background : Acute tumor lysis syndrome(TLS) has been defined as the metabolic abnormalities that occur after rapid tumor breakdown. In this study, we have evaluated the types or degrees of metabolic abnormalities and clinical characteristics in patients with non-Hodgkin's lymphoma(NHL) who developed TLS. Methods : Patients were considered to have 'laboratory TLS(LTLS)' if any two of the following metabolic abnormalities occurred spontaneously or within 4 days of treatment: hyperphosphatemia, hyperkalemia, hyperuricemia, azotemia, and hypocalcemia. 'Clinical TLS(CTLS)' was defined as LTLS plus one of the following: a serum potassium level greater than 6.0mEq/L, a creatinine level greater than 2.5mg/dL, a calcium level less than 6.0mg/dL, the development of a life-threatening arrhythmia, or sudden death. Results : Of 111 cases with NHL, TLS occurred in 16(14.4%), LTLS in 11(9.9%), and CTLS in 5(4.5%). There was a significant difference of gender, histologic type, clinical stage, performance status, extranodal involvement, serum lactate dehydrogenase(LDH), LDH index, β2-microglobulin, uric acid, and blood urea nitrogen(BUN) level in the TLS versus control group. In multiple regression analysis, TLS occurred more frequently in patients with pre-treatment azotemia, aggressive histologic type, and elevated serum LDH level(p<0.05, respectively). Pre-treatment and post-treatment TLS occurred in 8 cases(50%) respectively. The common metabolic abnormalities included hyperphosphatemia(87.5%), azotemia(81.3%), and hypocalcemia(75%). Of 11 cases with conservative care, 8 cases recovered within several days, but 3 cases died with multi-organ failure from disease progression. All 5 cases after hemodialysis for TLS recovered without any significant complications. Conclusion : The current study suggests that all patients with high-grade lymphomas and pre-treatment azotemia or a high serum LDH level be carefully monitored for at least 4 days after chemotherapy.(Korean J Med 58:301-309, 2000)
스터드 볼트로 연결된 RC 기둥-철골 보 접합부의 유한요소해석에 관한 연구
최병정 ( Choi Byong Jeong ),한흥수 ( Han Hong Soo ),문효진 ( Moon Hyo Jin ),장준호 ( Jang Joon Ho ),강철규 ( Kang Cheol Kyu ) 한국구조물진단유지관리공학회 2007 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.11 No.2
Recently, the importance of the headed stud bolts are ever increasing in the connection design for the composite structures. In the paper, the strain results acquired from the finite element analysis were discussed for the observation of damage pattern. The FEM model showed that the final cone failures occurred in the concrete. The headed stud bolts in the top were not failed, conclusively, the equation ACI 349-97 was the conservative estimation compare to the one of the PCI Handbook 6th Edition.
김진석(Jin Seok Kim),한지숙(Jee Sook Hahn),강태수(Tae Soo Kang),장준호(Joon Ho Jang),민유홍(Yoo Hong Min),고윤웅(Yun Woong Ko),서창옥(Chang Ok Suh),이민걸(Min Geol Lee) 대한내과학회 2000 대한내과학회지 Vol.59 No.1
Background : Primary cutaneous lymphomas are very rare type of malignant lymphomas. They represent a heterogeneous group of T-cell and B-cell lymphomas with considerable variations in clinical presentation, histopathology, immunophenotype, and prognosis. In this report, we evaluated the clinical characteristics of primary cutaneous lymphoma according to their clinical stages and histopathologic types. Methods : From January, 1985 to Jun, 1999, 23 patients with histopathologic diagnosis of primary cutaneous lymphoma were evaluated retrospectively. Results : The mean age was 48.5 years at the time of diagnosis of primary cutaneous lymphomas, and the most frequent form of cutaneous involvement was nodule(35%). The average duration from the occurrence of cutaneous lesion to the diagnosis of primary cutaneous lymphoma was 29.8 months. There were 20 cases(87%) of primary cutaneous T cell lymphomas, whereas primary cutaneous B cell lymphomas were seen in 3 cases(13%). The patients with stage I were 9 cases(39%), whereas the patients with stage IV were 10 cases(43%). Complete remission rate was 29% and partial remission rate was 57%. Median disease-free survival duration was 7 months and median overall survival duration was 33 months. One-year overall survival rate was 63.3% and 3-year overall survival rate was 56.3%. Conclusion : Primary cutaneous lymphomas were usually diagnosed at a far-advanced stage, and showed poor treatment results. Therefore early diagnosis is important to improve the survival rate. There should be carefully follow-up and repeated tissue diagnosis of the skin lesions which had a suspicion of primary cutaneous lymphoma and had not responded to conservative treatment.(Korean J Med 59:47-58, 2000)