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18–30세 사이에 발생하는 뇌경색의 특징, 다기관 레지스트리 연구
장윤경,송태진,김용재,허지회,이경열,김영은,장민욱,조수진,강석윤 이화여자대학교 의과학연구소 2017 EMJ (Ewha medical journal) Vol.40 No.3
Objectives: Although there have been several reports that described characteristics for young age stroke, information regarding very young age (18–30 years old) has been limited. We aimed to analyze demographic factors, stroke subtype, and 3-month outcome in acute ischemic stroke patient who have relatively very young age in multicenter stroke registry. Methods: We evaluated all 122 (7.1%) consecutive acute ischemic stroke (within 7 days after symptom onset) patients aged 18 to 30 from 17,144 patients who registered in multicenter prospective stroke registry, 1997 to 2012. Etiology was classified by Trial of Org 10172 in Acute Stroke Treatment criteria. Stroke severity was defined as National Institutes of Health Stroke Scale (NIHSS) and stroke outcome was defined by modified Rankin scale (mRS) at 3 months after index stroke. Results: The mean age of all included patients was 25.1±3.7 years and 76 patients (62.2%) were male. The median NIHSS at admission was 4. Considering stroke subtype, 37 patients (30.3%) had stroke of other determined etiology (SOD), 37 (30.3%) had undetermined negative evaluation (UN) and 31 (25.4%) had cardioembolism (CE) were frequently noted. After adjusting age, sex and variables which had P<0.1 in univariable analysis (NIHSS and stroke subtype), CE stroke subtype (odds ratio, 4.68; 95% confidence interval, 1.42–15.48; P=0.011) were significantly associated with poor functional outcome (mRS≥3). Conclusion: In very young age ischemic stroke patients, SOD and UN stroke subtype were most common and CE stroke subtype was independently associated with poor discharge outcome.
Ko, Il Gyu,Jeong, Jin Woo,Kim, Young Hoon,Jee, Yong Seok,Kim, Sung Eun,Kim, Sang Hoon,Jin, Jun Jang,Kim, Chang Ju,Chung, Kyung Jin Korean Continence Society 2014 International Neurourology Journal Vol.18 No.2
<P><B>Purpose</B></P><P>Aging-induced loss of muscle mass and subsequent reduction of strength is a fundamental cause of frailty, functional decline, and disability. And this may lead to muscular dysfunction, voiding dysfunction, or urinary incontinence due to pelvic muscle weakness induced by aging. Physical exercise has been recommended for the prevention and the treatment of these age-related frail states. We investigated the effects of treadmill exercise on muscle strength, myostatin mRNA and protein expression, and gastrocnemius myocytes proliferation in aged rats to investigate the possible antiaging effects of aerobic exercise on skeletal muscles such as pelvic floor muscles and urethral rhabdosphincter muscle.</P><P><B>Methods</B></P><P>In this study, 5-month-old male Sprague-Dawley rats were used as the young-age group (n=20) and 24-month-old rats were used as the old-age group (n=20). Each group was randomly divided into two groups (n=10 in each group): the sedentary and the treadmill exercise group. The rats in the exercise groups were forced to run on a motorized treadmill for 30 minutes, once a day, for 6 weeks. For this study, a weight load test, hematoxylin and eosin staining, real-time and reverse transcription polymerase chain reaction for myostatin mRNA, myostatin western blot, and 5-bromo-2'-deoxyuridine immunohistochemistry were performed in the gastrocnemius muscle.</P><P><B>Results</B></P><P>The age-induced reduction of muscle mass and strength was associated with a decrease in myocyte proliferation and an increase in myostatin mRNA and protein expression in the gastrocnemius. However, treadmill exercise improved muscle mass and strength through suppression of myostatin mRNA and protein expression, and myocyte proliferation increase in the gastrocnemius against the aging process.</P><P><B>Conclusions</B></P><P>Aerobic exercise is a useful strategy for enhancing muscle function against aging-induced loss of skeletal muscle mass and functions.</P>
Ethylenediaminetetraacetic acid(EDTA)항응고제에 의한 Mean Corpuscular Volume(MCV)변화
홍승민,박영진,최하영,임진,정옥연,이호준,이호영,장숙진,문대수 朝鮮大學校 附設 醫學硏究所 1996 The Medical Journal of Chosun University Vol.21 No.2
It is essential that we put the anticoagulant into the blood specimen of the CBC test. However, the value of some parameters in the CBC test can be changed whenever using some anticoagulants. EDTA anticoagulant is mostly used these days. There are 3 kinds of EDTA, that is K_(2-), K_(3-), and Na_(2-) EDTA. The author studies how many effects each the EDTA gets into the true value of blood specimen for MCV of RBCs. Especially we compared the MCV effect of different concentrations of 3 EDTA anticoagulants on the bias with time and instrument. Some results are gotten. In our results, K_(3-)EDTA anticoagulant shows more satisfactory MCV value than K_(2) or Na_(2-)EDTA. On using concentration of EDTA, 1.5㎎ EDTA/㎖ of blood show more satisfactory MCV value than 7.5㎎ EDTA/㎖ of blood. However, the choice of anticoagulant may be dependant on the different instruments.
혈청 감마지티(gamma glutamyl transferase)치와 대사증후군의 연관성
장미,유병욱,조용진,오정은,홍성호,조주연 순천향의학연구소 2008 Journal of Soonchunhyang Medical Science Vol.14 No.1
Background: Serum gamma glutamyl transferase(GGT) level has been widely used as an index of liver dysfunction and a marker of alcohol intake. But, recently it is identified that the elevated GGT level was associated with insulin resistance. This study aimed to examine the association between metabolic syndrome and elevated GGT level in the women who had less alcoholic influence generally. Methods: From 585 women who received their annual health check-up, 577 women were selected for analysis except for 28 women who had hepatitis B surface antigen positive or antibody to hepatitis C virus positive, Categories of serum GGT were classified into four groups by quartile and then evaluated. Results: A abnormal GGT level(≥52U/L) was seen in 29(5.2%) of the 557 women. As GGT level increased, the prevalence rate of factors(body mass index≥25kg/m2, hypertension, hemoglobin≥14g/dL, total cholesterol≥220mg/dL, triglyceride≥150mg/dL, fasting plasma glucose≥110mg/dL, HDL-choles tero1<50mg/dL) except for hyperuhcemia was increased. The GGT level was correlated with age, body mass index, thglyceride and uric acid in women with fatty liver, but not in women without fatty liver. Factors independently contributing to elevated GGT level was diabetes, hyperthglycehdemia and obesity. Conclusion: The elevated, albeit normal, GGT level was strongly associated with the factors of metabolic syndrome in Korean women. Because measurement of serum GGT level is easy, reliable, and not expensive, it might have more important implication as predictive factor of metabolic syndrome.
휘발성유기화합물 제거를 위한 생물공정기에서 분리한 톨루엔 분해 세균
장현섭,황선진,조영철 경희대학교 2005 環境硏究 論文集 Vol.14 No.-
We isolated a toluene degrading bacterium from the bioactive foam reactor(BFR) which designed to remove volatile organic compounds(VOCs) from the contaminated air. In order tofind the taxonomic and phylogenetic relationship with known bacteria, the partial sequence of 16S ribosomal DNA gene was analyzed. The isolated bacterium was classified as Pseudomonas sp. based on the close relationship to bacteria belonging to this genus. From the sequence, we designed the appropriate DNA probe which will be useful to detect this bacterium with the molecular methods such as FISH. The isolated bacterium and designed probe will be helpful to optimize the operating conditions and to improve the efficiency of BFR in detoxification of VOCs.
진행성 위암과 동반된 후복막 섬유화증 7예의 임상적 고찰
장재영,천영국,최우봉,김진오,조주영,이준성,이문성,심찬섭 순천향의학연구소;Soonchunhyang Medical Research Institute 2000 Journal of Soonchunhyang Medical Science Vol.6 No.1
Background/Aims: Retroperitoneal fibrosis is a fibrosing disease process which frequently develops ureteral obstruction. Malignant retroperitoneal fibrosis has been reported that various types of cancer including cancer of the breast, stomach, prostate, lung, cervix, uteri, colon, pancreas, ovary, and even Hodgkin's disease. While the pathogenesis remains obscure, small foci of metastatic neoplasm in the retroperitoneal space can elicit a desmoplastic reaction in secondary form to malignancy. Methods: Recently we experienced 7 cases of retroperitoneal fibrosis with advanced gastric cancer. So, we report 7 cases of retroperitoneal fibrosis with clinical and radiologic characteristics. Results: The most common signs and symptoms were related irreversible renal dysfunction. The urologic finding noted medial deviation of the involved ureters and hydronephrosis Conclusions: Clinical manifestations are abdominal pain, back pain, hydronephrosis, and uremia. When sudden back pain and hydronephrosis develop in advanced malignancy, physicians should be considerd for retroperitoneal fibrosis.
장동영,박만진,김진현,한동철 한국공작기계학회 2004 한국공작기계학회 춘계학술대회논문집 Vol.2004 No.-
In focused-ion-beam (FIB) application of micromachining and device transplantation, four kinds of FIB processes, namely FIB sputtering, FIB-induced etching, redeposition, and FIB-induced deposition, are well utilized. As with FIB systems, scanning electron microscopes(SEMs) were extensively used in the semiconductor industry. They are the tools of choice for defect review and providing the image resolution needed for process monitoring. The enhanced capabilities of a dual-column on one chamber system are quickly becoming realized by the nano industry for performing a wide range of application.