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導入 機器의 效率的 活用을 위한 敎授-學習 敎材의 開發 : 8 個 學科 共同 硏究
李昌甲,孟琦錫,李載元,朴萬植,廷吉煥,金鍾悟,朴景采,李英浩,李東周,邕章祐,柳盛淵,趙澤東,姜理錫,李殷雄,李興浩,金健中,韓相玉,金良模,張錫明,朴俊灝,洪鳳植,金太均,金再韓,宋海永,盧載星 충남대학교 공업교육연구소 1982 論文集 Vol.5 No.1
In this study, through the combined effort and collaboration of 8 engineering education departments, teaching-learning processes and models were reviewed, and printed and bound student manuals developed on 120 different tasks and subjects. Audio-visual supportive material, already in use in laboratories, was added to form a complete teaching-learning package. In addition to promoting the maximum use of the newly acquired equipment, this study will also contribute to the development of laboratory practice, the in-service training of technical high schools teachers and help in the development of their own instructional program.
Magnesium Sulfate치료가 중증 자간전증 임산부의 혈장 Endothelin치에 미치는 영향
김종호(JH Kim),배철준(CJ Bae),이재열(JY Lee),이두진(DJ Lee),이태형(TH Lee),이승호(SH Lee) 대한산부인과학회 1994 Obstetrics & Gynecology Science Vol.37 No.10
To evaluate the clinical efficacy of measurement of maternal plasma endothelin level in preeclampsia, maternal plasma endothelin levels and blood chemistry for liver and renal function were analysed in 20 women with normotensive term pregnancies and 26 women with severe preeclampsia, who were admitted to induce labor at the Department of Obstetrics and Gynecology, Yeungnam University Hospital from January 1st, 1993 to December 31st, 1993. The mean plasma endothelin levels of normotensive pregnant women, before and after magneisum sulfate therapy in severe preeclamptic women were 10.02+-3.21 pg/ml, 11.78+-3.52 pg/ml and 6.64+-2.96 pg/ml, respectively. There was no statistical difference between normotensive pregnant women and preeclamptic women in the mean plasma endothelin levels. However, in the preeclamptic women, mean palsma endothelin levels of before magnesium sulfate therapy was statistically higher than those of after magnesium sulfate therapy(P<0.01). In severe preeclamptic women, the mean blood systolic and diastolic blood pressure before magnesium sulfate therapy were 172+-14.50 mmHg and 116+-14.50 mmHg, respectively, and those of after magnesium therapy were 160+-8.41 mmHg and 105+-7.79 mmHg, respectively. Systolic and diastolic blood pressure were statistically lowered after magnesium therapy(p<0.01). In severe preeclamptic women, mean serum lever enzymes, uric acid, BUN, creatinine levels before magnesium sulfate therapy were not statistically different from those of after magnesium therapy. Above results and review of literatures may suggest that better neonatal outcome would be anticipated with magnesium sulfate therapy prior to cesarean section in preeclamptic women, buty further studies should be necessitate to confirm above results.
김종호(JH Kim),서정호(JH Seo),이영기(YK Lee),이두진(DJ Lee),박윤기(YK Park),이태형(TH Lee),이승호(SH Lee) 대한산부인과학회 1994 Obstetrics & Gynecology Science Vol.37 No.11
Placental site trophoblastic tumor(PSTT) has been demonstrated to be a rare variant of gestational trophoblastic disease. It occurs in young woman, and it is very resistant to standard chemotherapy. So it is generally treated by hysterectomy. The study suggests that a preceding term pregnancy, a high mitotic ratio, and an old age may be associated with a high motality rate. The tumor cells contain human placental lactogen(h:L) as the predominant marker, While human chorionic gonadotropin(hCG) is present only locally, PSTT has a malignant potential. We present a case of PSTT associated with nephrotic syndrome.
Nitric Oxide가 사람 자궁평활근의 수축-이완에 미치는 영향 및 그 작용기전에 관한 연구
이종학(JH Lee),박신근(SK Park),이순애(SA Lee),김종화(JH Kim),백원영(WY Paik),정원석(WS Chung),장기철(GC Jang) 대한산부인과학회 1996 Obstetrics & Gynecology Science Vol.39 No.8
The purpose of this study was to establish whether endogenous L-arginine/nitric oxide(L-ARG/NO) pathway system exists in human uterine smooth muscle and this muscle is responsive to exogenous nitric oxide(NO). The differences of the effect of NO on myometrial contractility between pregnant and non-pregnant uterus were also observed. Isometric tension of human myometrial strips from pregnant(n=10) and non-pregnant(n=20) women were measured in vitro in response to L-arginine(L-ARG), N-nitro-L-arginine methyl ester(L-NAME), or Nw-nitro-L-arginene(L-NNA) that modulate endogenous L-ARG/NO action as well as to exogenous NO that is generated by photolysis of NO-carrying compound such as streptozotocin(STZ). Changes of amplitude and cycle length of phasic contraction by photolysis of STZ with various concentration were measured and compared between pregnant and non-pregnant uterus. Cyclic guanosine monophosphate(cGMP) levels were measured by radioimmunoassay in various testing conditions of myometrial tissues. Spontaneously contracting non-pregnant myometrial strips were relaxed by application of L-ARG(10-3mol/L). This L-ARG-induced relaxation was obliterated by application of L-NAME(10-3mol/L). These L-ARG- or -L-NAME-induced effects were exagerated in the lipopolysaccharide(10 micro g/ml)-pretreated or pregnant myometrium. The non-pregnant myometrial contractile activity was decteased by exogenous NO dose-dependently, that is, by photolysis of the STZ with the concentration of 10-6, 10-5, 10-4, and 10-3 mol/L, the mean percent decrease of amplitude were 8.3%, 15.8%, 26.4%, and 45.7%, respectively and the mean percent delay of cycle length were 14.3%, 24.5$, 48.8%, and 120.6%, respectively. These mean percent changes of amplitude and cycle length under the same dose of STZ(10-4 mol/L) were greater in pregnant myometriums compared with non-pregnant ones(26.4% vs 50.5%, 48.8% vs 73.3%, mean +- SD, p
경계성 상피성 난소종양 환자에서 혈청 CA-125농도 측정의 임상적 효용성
고재환(JH Koh),배재호(JH Bae),한현신(HS Han),김종훈(JH Kim),김병기(BG Kim),박상윤(SY Park),이제호(JH Lee),이의돈(ED Rhee),이경희(KH Lee),박기복(KB Park) 대한산부인과학회 1994 Obstetrics & Gynecology Science Vol.37 No.10
The measurement of serum CA-125 levels has been demonstrated to be useful in monitoring the disease status of patients with invasive epithelial ovarian malignancies. However, the role of serum CA-125 in the diagnosis and management of patients with borderline ovarian tumors has not been established. Retrospective analysis of serum CA-125 levels was performed in 29 patients before operation and after treatment for borderline epithelial ovarian tumors at the Korea Cancer Center Hospital between 1987 and 1992. 14(87.5%), 2(12.5%) of 16 patients with mucinous tumor were stage I and III, while 11 (84.6%), 1(7.7%), 1(7.7%) of 13 aptients with serous tumors were stage I, II, III< respectively on surgical staging. The tumor sizes between patients with normal (less than 35 U/ml) and elevated level(over than 35 U/ml) of serum CA-125 were 18.3+-1.8 and 17.4+-3.0 cm, respectively, and there was no statistical difference between the two groups(p=0.689). 38.5% of serous and 50.0% of mucinous tumors ahd elevated CA-125 levels, and there was no statistical difference between the two groups(p=0.806). Combining both cell types, 9(36.0%) of 25 patients with stage I desease and 4(100.0%) of 4 patients with Stage II and III disease had elevated preoperative levels. Serum CA-125 was statically significnatly increased according to upstaging(p=0.001). Serum CA-125 levels in patients with serous tumors(N=12) were decreased after surgery from 257.1+-211.3U/ml to 7.3+-1.7 U/ml(p=0.0049), and with mucinous tumors(N=12) from 55.9+-11.3U/ml to 9.4+-2.8 U/ml(p=0.0005). CA-125 levels in patients with elevated CA-125 level(N=10) were decreased after surgery from 349.6+-247.5 U/ml to 9.4+-3.4 U/ml(p=0.002) and with normal CA-125 level(N-14) from 18.6+-2.5 U/ml to 7.6+-1.5 U/ml(p=0.0038). These data suggest that preoperative serum CA-125 level correlates with stage of disease and serum CA-125 levels decrease after sugery regardless the initial level before treatment.
초음파검사에 의한 한국인 태아의 임신주수별 태아성장지표의 정상치에 관한 연구
이재훈(JH Lee),윤보현(BH Yoon),이성구(SG Lee),전종관(JK Jun),신희철(HC Shin),이진용(JY Lee),김승욱(SW Kim) 대한산부인과학회 1994 Obstetrics & Gynecology Science Vol.37 No.10
Fetal weight and other fetal growth parameter gestational age tables have been calculated for 442 singleton fetuses by ultrasonic measurement. Twin pregnancies, stillborn and malformed infants were excluded as were those born to mothers with diabetes mellitus, preeclampsia, eclampsia and any medical and surgical illness during pregnancy that have any possibilities of altering fetal growth. The 5th, 10th, 25th, 50th, 75th, 90th and 95th percentiles were determined for 25-42th nearest weeks of gestation and compared with preexisting reportes by postnatal study. The results were as follows. 1. Fetal weight calculated by ultrasonic measurement in our prenatal study showed significant difference compared with that in previous postnatal studies before 37th nearest week of gestational age. It is concluded that any growth standards based on prenatal study by ultrasonic measurement of fetal grwth parameters can be used as our standard without significant problems.