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관상동맥 풍선성형술 후 발생한 관상동맥 박리의 초기 조영술적 고찰
고영엽,강지인,장재혁,강민정,정중화,장경식,홍순표 朝鮮大學校 附設 醫學硏究所 2007 The Medical Journal of Chosun University Vol.32 No.1
Background and Objectives: Percutaneous coronary intervention (PCI) is widely utilized in the treatment of symptomatic coronary artery disease (CAD). Althouth it has numerous benefits, intimal tear or dissection, serious and potentially life-threatening complications of plain old balloon angioplasty (POBA) can occur. The aim of this study was to assess the implications of coronary dissections after ballon angioplasty. Methods: 78 consecutive patients (age, 62 +/- 11 years; 46 men, 32 women) identified to two groups as having with or without dissection (dissection (D) group or non-dissection (ND) grouP) underwent balloon angioplsty for CAD were studied. All patients with dissection could be managed by successful stent implantation to rescue the artery. The morbidity of ischemic complication and mortality were evaluated for 30days after PCI. Results: Coronary dissection developed 44 lesions (38%) in 31 patients out of 117 lesions in 78 patients after POBA and a good final angiographic result was obtained in all patients with dissection, Significant correlates of a development of dissection were the lesion morphology of ACC/AHA type B and C (P<0.05). There were no significant correlations of clinical pictures, whether POBA in single vessel disease or in multivessel disease, diameter stenosis before POBA, and balloon/coronary artery diameter ratio. Morphologic feature of dissection was type A in 15 (34%), type B in 13(30%), type C in 12 (27%), and type D in 4 (9%). After PCI, there was no ischemic complication or death related coronary dissection during follow-up period for 30days. Conclusions: Coronary dissection after angioplasty occurred in 44 lesions (38%) out of 117 lesions of 78 consecutive patients underwent POBA. Coronary dissection after POBA significantly correlated with the severity of lesion morphology. Coronary stenting is effective in the management of acute coronary dissections after angioplasty.
성인학습원리 기반 웍샵에 의한 사회의학 교육평가의 시도
고광욱,김정민,김윤지,이용환,유병철,전만중 고신대학교의과대학 2007 고신대학교 의과대학 학술지 Vol.22 No.2
Background: For effective education of social medicine, new and more efficient means of education are needed because social medicine consist of diverse background academics . Metohods: Workshop based lecture was carried out twice in social medicine class for medical students and was assessed with questionnaires survey. Results: Half of the students were satisfied with workshop-based learning and required more discussion time and pre-information. Conclusions: With some improvements, workshop-based adult learning method is expected to bring effectiveness in social medicine education.
편마비 환자의 정상측과 마비측의 비복근 운동점에서의 근육 두께 차이
김동건,도현경,김현동,황지선,정규영,정호중 고신대학교의과대학 2008 고신대학교 의과대학 학술지 Vol.23 No.1
Objective : To investigate any difference of muscle thickness in the motor points of the gastrocnemius between the paretic and non-paretic legs in hemiplegics. Method : Ultrasonography was used to assess in vivo the gastrocnemius muscle thickness at the motor points in the paretic and non-paretic legs of twenty-four patients with stroke. Results : Muscle thickness at the motor points were reduced in the paretic legs compared to the non-paretic legs (p<0.05). There was no correlation between muscle thickness and duration of hemiplegia, site of hemiplegia. However, it did not take regular pattern of the muscular atrophy in the paretic legs. Conclusion : The gastrocnemius muscle of the paretic leg had smaller thickness compared with the non-paretic leg. The present results indicate that paresis in hemiplegics may affect the accuracy of intramuscular injection of botulinum toxin A. Therefore, we recommend ultrasonography for visually controlled, anatomically precise injection of botulinum toxins.
Gender Differences in Susceptibility to Smoking among Patients with Lung Cancer
( Jeong Seon Ryu ),( Sang Hoon Jeon ),( Jung Soo Kim ),( Jung Hwan Lee ),( Seong Hyun Kim ),( Ji Taek Hong ),( Ju Hong Jeong ),( Ji Joong Jeong ),( Myung Dong Lee ),( Sang Joon Min ),( Hae Seong Nam ) 대한내과학회 2011 The Korean Journal of Internal Medicine Vol.26 No.4
Background/Aims: To determine whether female smokers are more or less susceptible to the detrimental pulmonaryfunction effects of smoking when compared to male smokers among patients with lung cancer. Methods: Pack-years and pulmonary function indices were compared between 1,594 men and women with lung cancer who were smokers or had a history of smoking. Differences in individual susceptibility to smoking were estimated using a susceptibility index formula. Results: Of the patients, 959 (92.8%) men and 74 (7.2%) women were current smokers. Common histological types of lung cancer were squamous cell carcinoma, adenocarcinoma, and small cell carcinoma, among others. Women had a lower number of pack-years, forced expiratory volume in 1 second (FEV1, liters), forced vital capacity (FVC, liters), and total lung capacity (TLC, liters) compared to those of men (25.0 ± 19.2 vs. 42.9 ± 21.7 for pack-years; 1.4 ± 0.5 vs. 2.0 ± 0.6 for FEV1; 3.0 ± 0.7 vs. 2.0 ± 0.6 for FVC; 4.5 ± 0.8 vs. 5.7 ± 1.0 for TLC; all p < 0.001). The susceptibility index for women was significantly higher compared to that of men (1.1 ± 4.1 vs. 0.7 ± 1.1; p = 0.001). A significant inverse association was shown between the susceptibility index and TLC and FVC (r = -0.200 for TLC, -0.273 for FVC; all p < 0.001). Conclusions: The results suggest that the detrimental effects of smoking on pulmonary function are greater in women, as compared to those in men, among patients with lung cancer.
Ji, Sun-Tae,Lee, Ok-Jeong,Yang, Ji-Hyuk,Ahn, Kang-Mo,Cho, Joong-Bum,Jeong, Soo-In,Han, Woo-Sik,Kim, Yae-Jean The Korean Pediatric Society 2011 Clinical and Experimental Pediatrics (CEP) Vol.54 No.8
A 3-year-old girl with acute respiratory distress syndrome due to a H1N1 2009 influenza virus infection was complicated by necrotizing pneumonia was successfully treated with extracorporeal membrane oxygenation (ECMO). This is the first reported case in which a pediatric patient was rescued with ECMO during the H1N1 influenza epidemic in Korea in 2009.
Han, Joong Tark,Cho, Joon Young,Kim, Jung Hoon,Jang, Jeong In,Kim, Jun Suk,Lee, Hye Jeong,Park, Jong Hwan,Chae, Ji Su,Roh, Kwang Chul,Lee, Wonki,Hwang, Jun Yeon,Kim, Ho Young,Jeong, Hee Jin,Jeong, Seu American Chemical Society 2019 Chemistry of materials Vol.31 No.9
<P>Harsh oxidation of 1 nm single-walled carbon nanotubes (SWCNTs) can lead to fatal defect structures, which can jeopardize their mechanical and electrical performances. Here, we show the structural recovery of highly oxidized SWCNTs (Ox-SWCNTs), which were rapidly (within 1 h) oxidized by kneading without forming failure-causing defects inspired by flour dough. The rational oxidation of SWCNTs by kneading debundled the SWCNTs and led to obtaining thermodynamically stable SWCNT solutions in water or even in alcohol without dispersant molecules. Importantly, the structure of the Ox-SWCNTs could be recovered by chemical, thermal, photothermal, or solvothermal reduction, enhancing the electrical conductivity of the Ox-SWCNT films from ∼100 to ∼1000 S cm<SUP>-1</SUP>. These Ox-SWCNTs and chemically reduced Ox-SWCNTs showed high performance in supercapacitors and Li-ion batteries as electrochemical conductors, respectively.</P> [FIG OMISSION]</BR>
정지봉(Ji Bong Jeong),양용모(Youg Mo Yang),전원중(Won Joong Jeon),서정철(Jeong Chul Seo),이경수,이현희(Hyun Hee Lee),고병성(Byeong Seong Ko),채희복(Hee Bok Chae),박선미(Seon Mee Park),윤세진(Sei Jin Youn) 대한소화기기능성질환·운동학회 2000 Journal of Neurogastroenterology and Motility (JNM Vol.6 No.1
N/A Background/Aims: The purpose of this study was to discover the physiologic difference of a postprandial motor response in different segments of the colon between patients with irritable bowel syndrome and healthy subjects. Methods: Irritable bowel syndrome patients are categorized into three groups according to their main symptoms; loose stool-dominant (A, n=5), abdominal pain-dominant (B, n=5), constipation-dominant (C, n=6) and the normal control group (n=5). The intraluminal pressure activity was measured with a colonoscopically positioned multilumen manometric catheter. The change of the colonic motility index (MI) is presented as a percent change (mean±SE%) over the basal period in response to a meal. Results: 1) In the transverse, descending and sigmoid colon of healthy subjects, the percentage changes in the basal Ml during the first 30 min after the meal are significantly increased (p<0.05-0.01). 2) In the sigmoid colon, the percentage changes in the basal MI during the first 30 min after the meal were 62±18 in A, 29±18 in B, 12±8 in C and 306±l02% in heathy subjects respectively, which shows a significant difference between the MI of control and healthy subjects (p<0.05). 3) In B and C, the percentage changes in the l MI during the first 30 min after the meal in the descending colon were 105±38, 11±7, respectively, which shows a significant difference between the two groups (p<0.05). In A and C, the percentage changes in the basal MI during the first 30 min after the meal in the sigmoid colon was 62±18, 12±8, respectively, which shows a significant change between the two groups (p<0.05). Conclusion: This study suggests that postprandial intraluminal pressure differences play a role in the pathophysiology of irritable bowel syndrome. (Korean Journal of Gastrointestinal Motility 2(00;6:20-31)
A Study on Contents Manufacturing System for Massive Contents Production
Su Mi Ji,Jeong Joong Lee,Sangpill Kwon,Jin Guk Kim,ChangMan Yu,Jeong-Gyu Lee,Sejong Jeon,Taewan Jeong,Dongwann Kang,Sang Il Park,Oh-young Song,Jong Weon Lee,Kyung-Hyun Yoon,Chang-wan Han,Sung Wook Bai 한국멀티미디어학회 2010 멀티미디어학회논문지 Vol.13 No.12