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고원진 ( Weon Jin Ko ),이병무 ( Byoung Moo Lee ),박원영 ( Won Young Park ),김진녕 ( Jin Nyoung Kim ),조준형 ( Jun Hyung Cho ),이태희 ( Tae Hee Lee ),홍수진 ( Su Jin Hong ),조주영 ( Joo Young Cho ) 대한소화기학회 2014 대한소화기학회지 Vol.64 No.6
A 49-year-old woman visited our hospital with dysphagia and chest pain. In another hospital, she was diagnosed as reflux esophagitis. Although she had taken proton pump inhibitor and prokinetics drugs for a long time, she was not relieved of any symptoms. On the basis of high resolution manometry and endoscopic ultrasonography findings, Jackhammer esophagus was diagnosed. In this patient, peroral endoscopic myotomy (POEM) was performed for long myotomy of thickened circular muscle. During the procedure, there were no significant complications and she was discharged uneventfully. Symptoms were completely improved during three months after POEM. Here, we report on a case of Jackhammer esophagus treated by POEM. (Korean J Gastroenterol 2014;64:370-374)
한윤정 ( Han Yoon Jung ),김진녕 ( Kim Jin Nyoung ),서승훈 ( Seo Seung Hoon ),김수연 ( Kim Soo Ryon ),김병일 ( Kim Byoung Il ) 한국구조물진단유지관리공학회 2017 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.21 No.1
This study was conducted examine the mechanical properties of LEFC in relation to the type of light weight aggregate and replacement ratio. For the specimen, different replacement ratio was used for recycled waste ALC and the bottom ash light weight aggregate respectively. The tests revealed that 60% of the waste ALC light weight aggregate is suitable for securing the optimal strength and light weight of the LEFC.
큐브 계산에서 I / O 비용을 줄이는 구간 기반 큐브 분할
박웅제(Woong Je Park),정연돈(Yon Dohn Chung),김진녕(Jin Nyoung Kim),이윤준(Yoon Joon Lee),김명호(Myoung Ho Kim) 한국정보과학회 2001 정보과학회논문지 : 데이타베이스 Vol.28 No.4
본 논문은 OLAP에서의 I/O 비용을 줄이는 큐브 계산 방법으로, 구간 기반 큐브 분할 기법을 제안한다. 제안하는 방법은 큐브 분할 단계들 사이에 존재하는 계산의 일부를 중복시켜 처리하는 방법을 통해 큐브 분할 작업의 I/O 성능을 향상시킨다. 계산의 중복을 위하여 제안하는 방법은 애트리뷰트의 단일 값이 아닌 애트리뷰트 값의 일정 구간을 기준으로 큐브를 분할한다. 분석과 실험을 통하여 제안하는 방법의 성능을 기존 큐브 분할 방법과 비교하여 보인다. In this paper we propose a method, called the range-based cube partitioning (RCP) method, for reducing I/O cost of cube computation in OLAP. The method improves I/O performance of cube partitioning process by overlapping some computation between partitioning stages. For overlapping the computation, the method partitions the cube based on the ranges of attribute values, not the points of attribute value. Through analysis and experiments, we show the performance of the proposed method with comparison of the previous cube partitioning method.
기포제 종류 및 혼입량 변화에 따른 LEFC 작업성 검토
한윤정 ( Han Yoon Jung ),반홍준 ( Ban Hong Jun ),김진녕 ( Kim Jin Nyoung ),김수연 ( Kim Soo Ryon ),김병일 ( Kim Byoung Il ) 한국구조물진단유지관리공학회 2017 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.21 No.1
This study was conducted to examine the workability of LEFC in relation to the types and the mix ratio of different foaming agents. The foam agents act as lightweight aggregates in the concrete matrix and provide an alternative to obtaining the adequate strength level for the foam concrete. The results of the test showed that the synthetic foam agents were able to act properly as replacements for the lightweight aggregates.
Child class C의 조기 간세포암 환자와 Child class A의 진행성 간세포암 환자에서의 생존 비교
박의주 ( Eui Ju Park ),장재영 ( Jae Young Jang ),정승원 ( Soung Won Jeong ),추진우 ( Jin Woo Choo ),김진녕 ( Jin Nyoung Kim ),권순하 ( Soon Ha Kwon ),이병무 ( Byoung Moo Lee ),이세환 ( Sae Hwan Lee ),김상균 ( Sang Gyune Kim ),차 대한간암학회 2013 대한간암학회지 Vol.13 No.2
Background/Aims: The prognosis of hepatocellular carcinoma (HCC) is affected by stage as well as liver function. We analyzed the survival outcome of early stage HCC in Child class C patients and advanced HCC in Child class A patients. Methods: Among 453 HCC patients with good performance status Group A included 33 consecutive Child class C patients with early stage (I II) HCC and Group B included 45 consecutive Child class A patients with advanced stage (III IV) HCC. We investigated the clinical characteristics cirrhotic complications and prognostic factors related with survival in each group and compared overall survival between two groups. Results: Age prothrombin time total bilirubin and Model for End-Stage Liver Disease (MELD) scores were significantly higher in Group A. Male sex platelet count albumin sodium (Na) hepatitis B virus alpha fetoprotein (AFP) and portal vein thrombosis were significantly higher in Group B. Complications of cirrhosis such as variceal bleeding ascites and hepatic encephalopathy were increased in Group A (P<0.05). Patients with an elevated AFP (>400 ng/mL) tended to exhibit poor survival as it increased in Group A (P=0.084). MELD scores>15 (Hazard ratio[HR] 17.84 95% confidence interval [CI] 3.70-85.93 P<0.001) stage IV (HR:3.27, 95% CI 1.10-9.75 P=0.033) and absence of HCC treatment (HR: 3.70 95% CI 1.06-12.50, P=0.040) were independent poor prognostic factors in Group B. Median overall survival was 24.6 months (95% CI 10.6-38.4) for Group A and 13.5 months (95% CI 4.6-22.3) for Group B (P=0.278). In the HCC treatment group there were no significant differences of median overall survival between Group A and Group B respectively (27.1 vs. 15.7 months P=0.338). In patients with conservative treatment Group A and Group B had a significantly different median overall survival of 13.6 and 2.5 months respectively (P=0.012). In patients of Group B median overall survival was significantly higher in patients who received treatment of HCC compared to those who did not respectively (15.7 vs. 2.5 months P<0.001). Conclusions: Overall median survival was not different between both groups. However in Child class A patients with advanced stage HCCs the cumulative median survival was higher in patients who received treatment of HCC compared to those who did not. Therefore advanced stage HCC patients with good liver function should be considered for HCC treatments.