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서울 남서부 지역 남자 노인 인구에서 음주 , 흡연과 혈압 및 혈중 지질 농도와의 연관성
최경묵(Kyung Mook Choi),김경오(Kyung Oh Kim),조영직(Young Jik Cho),김동림(Dong Rim Kim),김난희(Nan Hee Kim),박이병(Ie Byung Park),백세현(Sei Hyun Baik),최동섭(Dong Seop Choi) 대한내과학회 2001 대한내과학회지 Vol.60 No.6
Background : It is known that the effects of cigarette smoking and alcohol consumption on cardiovascular disease are very diverse. We investigated the effects of cigarette smoking and alcohol consumption on cardiovascular risk factors such as hypertension and dyslipidemia in male elderly living in Seoul, Korea. Methods : We examined the relationship of smoking and alcohol consumption to cardiovascular risk factors in 236 Korean men aged over 60 years in the community-based cross-sectional study from August 1999 to October 1999. Results : Alcohol users had higher systolic blood pressure, HDL cholesterol and lower LDL cholesterol, total cholesterol compared with non-users. After adjustment with age, body mass index and amount of smoking, partial correlation analysis showed that amount of alcohol consumption positively correlated with systolic blood pressure (r=0.1479, p<0.05) and negatively correlated with LDL cholesterol (r=0.2704, p<0.01) and total cholesterol (r=0.1800, p<0.05). But smokers didn't show any difference of body mass index, blood pressure, and lipid profile compared with non-smokers. Conclusion : In Korean male elderly, alcohol consumption was associated with increased systolic blood pressure. Also alcohol consumption was confirmed to be associated with decreased LDL cholesterol and total cholesterol, which might have a protective effect on coronary heart disease. We couldn't find the correlation between blood pressure, lipid profile and cigarette smoking.(Korean J Med 60:521-528, 2001)
최경묵(Choi Kyung-Mook),나용길(Na Yong-Gil),채승병(Chae Seung-byeong),정경훈(Jung Kyeong-Hoon) 한국방송·미디어공학회 2010 한국방송공학회 학술발표대회 논문집 Vol.2010 No.11
본 논문에서는 영상처리 기능을 통해 손 제스처를 인식하는 알고리즘을 개발하고 이를 활용하여 로봇의 움직임을 원격으로 제어하는 시스템을 구현하였다. 전체 시스템은 손 영상을 획득하는 카메라, 영상처리를 수행하는 컴퓨터, 그리고 LEGO Mindstorm 로봇으로 구성되며, 컴퓨터와 로봇 사이의 통신은 Mindstorm에 내장된 블루투스 기능을 사용하였다. 카메라에서 획득한 영상에서 사람의 손에 해당하는 영역만을 추출하기 위해 먼저 컬러 필터링을 수행하였으며 영상의 신뢰성을 향상시키기 위해 잡음을 제거하는 보정 작업을 거친다. 그리고 무게중심 연산을 통해 손의 중심점을 추정하고 이로부터 일정 거리에 있는 손가락 영역을 추출한다. 마지막으로 펼쳐진 손가락 개수를 구하고 그 개수에 따라 미리 설정된 명령을 로봇에 전송한다. 실험을 통해 조명 상태가 양호하고 배경이 복잡하지 않은 대부분의 환경에서 로봇 원격제어가 성공적으로 이루어짐을 확인하였다.
유혜진 ( Hye Jin Yoo ),최경묵 ( Kyung Mook Choi ) 대한비만학회 2013 The Korean journal of obesity Vol.22 No.1
과거 단순히 잉여 에너지의 저장고로만 알려져 있던 지방조직은 최근 하나의 독립적이고 능동적인 내분비 기관으로 인식되고 있으며, 지방세포에서 분비되는 단백질인 leptin, tumor necrosis factor-α (TNF-α), resistin, adiponectin 등과 같은 여러 아디포카인들이 지방대사, 에너지 항상성 및 인슐린 감수성을 조절하면서 비만 관련 대사 질환의 발생에 주요 영향을 미치고 있다. 1994년 지방세포에서 렙틴이라는 호르몬이 발견되면서 지방 조직의 내분비기관으로써의 접근이 시작되었는데, 지방세포는 렙틴과 같은 여러 종류의 아디포카인을 분비함으로써 자율분비계의 신호전달망을 통한 복잡한 세포 기능 조절에 관여하며, 또한 뇌하수체, 췌장, 간, 근육, 혈관내피, 면역계와 같은 다양한 조직에도 영향을 미치는 것으로 알려져 있다. 비만 환자의 경우 이러한 아디포카인의 분비 조절이 비정상적으로 편향되고, 특정 아디포카인의 분비가 증가 혹은 감소하게 된다. 따라서, 새로운 아디포카인을 발견하고 그 기능을 규명하는 일은 비만과 연관되어 발생하는 대사 질환의 새로운 치료 전략 모색을 가능케 할 것으로 기대한다. Adipose tissue which used to be simply known as a storage of surplus energy is now perceived as an independent and active endocrine organ, and various kinds of adipokine such as leptin (a protein secreted by fat cells), tumor necrosis factor-α (TNF-α), resistin, and adiponectin make major effects on obesity related metabolic diseases by controlling fat metabolism, energy homeostasis and insulin sensitivity. As the hormone called leptin was discovered at fat cells in 1994, it was started to study fat tissues as endocrine organs. Fat cells are engaged in complicated cell function coordination through signaling network of autonomic secretion system by secreting various kinds of adipokine, and are known to make effects on various organizations such as hypophyseal, pancreas, liver, muscle, vascular endothelium, and immune system. In obese patients, the secretion and coordination of such adipokines are biased abnormally and the secretion of specific adipokine becomes increased or decreased. Accordingly, to discover new adipokines and define their functions may enable us to find a new treatment strategy for metabolic disorders related to obesity.
최철원(Chul Won Choi),박경화(Kyung Hwa Park),윤소영(So Young Yoon),백창원(Chang Won Paek),서재홍(Jae Hong Seo),최경묵(Kyung Mook Choi),김병수(Byung Soo Kim),백세현(Sei Hyun Baik),신상원(Sang Won Shin),김열홍(Yeul Hong Kim),김준석(Jun 대한내과학회 2001 대한내과학회지 Vol.60 No.3
Background : Anemia is the most common hematologic problem encountered in the elderly. We conducted this prospective study to define the prevalence and characteristics of anemia in the elderly. Methods : From August 1999 to October 1999, volunteers with age of 60 or more living in southwest area of Seoul, Korea were selected. Hemoglobin, mean corpuscular volume, red cell distribution width and iron profile were evaluated. WHO criteria cut off value of hemoglobin for the diagnosis of anemia was used, 13 g/dL in men and 12 g/dL in women. Results : A total 1716 community residents aged 60 years or older were studied. Male to female ratio was 344:1372, and median age was 70 years (range:60-92). The prevalence of anemia was 10.2% in men (35/344) and 14.1% in women (194/1372). Normocytic anemia was most common, followed by macrocytic and microcytic anemia in order. Conclusion : The prevalence of anemia over the age of 60 was 10.2% in men and 14.1% in women and normocytic anemia was the most common type in our series. Considering that macrocytic anemia was more common than microcytic anemia, we suggest that screening profile for the detection of anemia in older persons should include the level of folate and vitamin B12.(Korean J Med 60:249-253, 2001)
노영희 ( Young Hee Rho ),최성재 ( Seong Jae Choi ),이영호 ( Young Ho Lee ),지종대 ( Jong Dae Ji ),최경묵 ( Kyung Mook Choi ),백세현 ( Sei Hyun Baik ),송관규 ( Gwan Gyu Song ) 대한류마티스학회 2004 대한류마티스학회지 Vol.11 No.4
Objective: Metabolic syndrome is a constellation of metabolic abnormalities such as obesity, hypertension, glucose intolerance, and hyperlipidemia. The association of metabolic syndrome and hyperuricemia is well known, but not with gout. Therefore, the association of gout and metabolic syndrome is investigated through comparing the prevalence of metabolic syndrome in normal controls and patients with gout. Methods: This is a case-historical control study of 64 patients with gout recruited from Korea University Anam and Guro Hospital. Clinical factors were checked according to the diagnostic criteria of metabolic syndrome from the ATP III guidelines. Additional waist circumference adjustment was done according to the WHO Asia-Pacific obesity criteria recommendations. The prevalence was compared with historical control studies from the US and Korea. Results: The prevalence of metabolic syndrome in patients with gout was 42.2% according to ATP III criteria and 59.4% with waist circumference adjustment and is significantly higher than control studies (23.7% (US), 6.8% (Korea), ATP III), 10.9% (Korea, WHO Asia-Pacific obesity criteria)(p<0.001 in all cases). Multivariate logistic regression analysis revealed that high BMI and low HDL levels (both ATP III/WHO Asia-Pacific obesity criteria) and the presence of hypertension (ATP III) are the statistically significant risk factors of having metabolic syndrome in gout patients. Conclusion: The prevalence of metabolic syndrome in patients with gout is significantly higher than normal control groups. This indicates an association between gout and metabolic syndrome. Especially, being obese or hypertensive, or having low HDL levels are risk factors for the metabolic syndrome in gout patients.