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한종우,황수현,Han, Jong Woo,Hwang, Soo Hyun 대한신경외과학회 2000 Journal of Korean neurosurgical society Vol.29 No.8
Objectives : Despite advance in the surgical treatment of the intracranial aneurysm, we have to be surgical complication. The aim of this report is to evaluate the complication and its management in intracranial aneurysm operation. Methods : We reviewed our exprience with interesting cases of surgical complication of intracranial aneurysm : 1) rebleeding, 2) intra-operative premature rupture, 3) missed aneurysm in angiography, 4) vasospasm. Results : The risk of rebleeding was not related to the patients' initial comdition, but all other intracranial complications occurred significantly more often in patients graded poor compared with patients in good clinical condition. Rebleeding before early surgery remains as major cause of unfavorable outcome. The causes of intraoperative premature ruptures were as follows : 1) dural opening and arachnoid opening(8.3%), 2) hematoma removal(12.5%), 3) brain retraction(16.7%) 4) aneurysm dissection(62.5%). The double suction technique and primary hemostasis using a small piece of cotton or temporary clip resulted in good outcome even in cases with premature rupture. The incidence of missed aneurysm in angiography occurred in 10%. The causes were as thrombosed aneurysm, vasospasm on feeder artery. The most common missed aneurysm is also the most common aneurysm(anterior communicating artery aneurysm). The repeated angiography were documented in missed aneurysm. Balloon angioplasty is superior topapaverine for treatment of proximal vessel vasospasm by viture of a more sustained effect on the vessel. Papaverine can be useful as an adjunct to ballon angioplasty and also for the treatment of distal vessels that are not accessible for ballon angioplasty. Conclusion : The minimization of the complications and active treatment can reduced the mortality and morbidity of ruptured aneurysm patients.
유산소성 운동이 노인들의 신체조성과 등속성 슬관절 근력 및 요부근력에 미치는 영향
한종우(Jong Woo Han),이상석(Sang Sug Lee),송분도(Bun Do Song),지용석(Yong Suk Ji),김난수(Nan Su Kim),서경호(Kyeong Ho Seo) 한국사회체육학회 2000 한국사회체육학회지 Vol.13 No.-
This study was designed to investigate the effect of a year aerobic exercise training on body composition, isokinetic knee and trunk muscular strength of elders. The subjects for this study were eighty healthy elderly people who were members of seniors tower at Song-Do Hospital and didn`t have any history of cardiorepiratory disease. Subjects have been trained three times a week for a year. The exercise program was made up of a 15-minute warm-up, cool-down. Stretching was performed every eight minutes for the prevention of injuries which could occur during the main exercise and quick recovery of the used muscle. Aerobic training was performed for each 15-20minutes using the treadmill and cycle ergometer at the intensity of 50-70% HRmax. For the data, all the measurements were represented by mean and standard deviation using SAS package(version 6.12). Statistical techniques for data analysis were paired t-test to determine the difference between pre and post exercise program. The 5% level of significance was used as the critical level for acceptance of hypotheses for the study. The following results were obtained from this study. 1. There is a statistically significant difference in the VO_2max, fat mass, lean mass and %body fat both old men and women after a year training. 2. There is not a statistically significant difference in the weight, WHR and thigh circumference both old men and women after a year training. 3. There is a statistically significant difference in the right knee flexor/extensor peak torque, peak torque % body weight, total work and total work % body weight both old men and women after a year training. 4. There is a statistically significant difference in the left knee flexor/extensor peak torque, peak torque % body weight, total work and total work % body weight both old men and women after a year training.
한종우 ( Jong-woo Han ),손형관 ( Heong-kwan Son ),노재현 ( Jae-hyun No ),최영규 ( Young-kyu Choi ) 한국정보처리학회 2011 한국정보처리학회 학술대회논문집 Vol.18 No.2
본 논문에서는 공압출 다층 필름 제조공정에서 수지의 품질에 영향을 주는 외관상의 결함을 검사하는 비젼 시스템을 제안한다. 필름 생산 과정에서는 흑점이나 주름 등을 포함한 다양한 결함이 발생할 수 있는데, 명암이 명확히 구별되는 결함도 있지만 그렇지 않은 결함들은 필름의 특성에 의해 검출 및 분류가 어려운 경우가 많다. 제안된 논문에서는 전체 검사시스템의 소개와 함께 결함의 종류 분류와 검출 및 분류 방법을 제안하는데, 특히 애매한 결함의 구분을 위해 지역적 이진패턴(LBP)에 기반한 텍스쳐 분석 방법을 이용한다. 실험을 통해 제안된 시스템 및 방법이 필름 생산과정의 다양한 결함들을 잘 검출하고 분류하는 것을 알 수 있었다.