Shigella sonnei KNIH104S로부터 aroA 유전자 결실 돌연변이주 제조

박용춘(YC Park ),황순영(SY Hwang),신희정(HJ Shin ),이광준(KJ Lee),주영란(YR Ju),배용수(YS Bae),김영창(YC Kim) 大韓微生物學會 1998 大韓微生物學會誌 Vol.33 No.4

Interrelationship between the Concentration of Heavy Metals in Normal Korean Tissues

YC Yoo,SK Lee,JY Yang,SW In,KW Kim,SC Kim,KH Chung 대한약학회 1999 大韓藥學會 總會 및 學術大會 Vol.48 No.-

Characteristics of wind pressures on retractable dome roofs and external peak pressure coefficients for cladding design

YC, Kim,SW, Yoon,DJ, Cheon,JY, Song Elsevier 2019 Journal of wind engineering and industrial aerodyn Vol.188 No.-

<P><B>Abstract</B></P> <P>This study investigates the characteristics of wind pressures on retractable dome roofs. Wind tunnel tests were conducted on spherical dome roofs with various wall height-span ratios (0.1–0.5) and opening ratios (0%, 10%, 30% and 50%). After the characteristics of mean and peak pressure coefficients were examined, the peak pressure coefficients on closed dome roofs were compared with those of the current Japanese wind load code (AIJ-RLB (2015)), and peak pressure coefficients on dome roofs with openings for cladding design were proposed. The analysis results can be summarized as follows. As wall height-span ratio increases, the absolute values of mean and minimum pressure coefficients increase, and the absolute values of minimum pressure coefficients on the outermost interior of open dome roofs increase with opening ratio. For cladding design of dome roofs with openings, dome roofs were divided into two zones, and negative and positive peak pressure coefficients were proposed based on experimental results.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Characteristics of external pressures on retractable spherical dome roofs were investigated. </LI> <LI> Five wall height-span ratios and four opening ratios were considered. </LI> <LI> Absolute values of peak pressure coefficients were larger for the flow with <I>α</I> = 0.21. </LI> <LI> Absolute values of <I>C</I> <SUB> <I>pi,min</I> </SUB> increased with opening ratio and those for <I>α</I> = 0.21 were larger. </LI> <LI> Zones and external peak pressure coefficients for cladding design were proposed. </LI> </UL> </P>

산부인과영역에 있어서의 초음파진단의 이용

노영철(YC Roh),나종구(Rha CG),하상호(SH Ha),이헌영(HY Lee) 대한산부인과학회 1975 Obstetrics & Gynecology Science Vol.18 No.8

1974년 7월1일부터 동년 9월10일까지 가톨릭의과 대학 부속 성모병원 산부인과에 입원한 환 자 및 외래환자 302명을 대상으로 A-mode B-mode 가 겸한 초음파 진단장치를 이용하여 다음과 같은 결론을 얻었다. 1. 초기임신의 진단을 위한 20예중 임신 6주이전에는 태낭상의 발견이 어려웠으며 임신 7주 부터는 환사의 태낭상을 용이하게 발견할 수 있었고 임신 14주부터는 아두상을 볼 수 있었 다. 2. 10예의 절박유산증중 임신의 지속이 어려울것으로 예측했던 4예중 2예에서는 자연유산으 로 중절되었다. 3. 5예의 불완전유산과 3예의 계류유산은 임상증상과 일치하였다. 4. 4예의 포상상기태중 부분기태 2예를 제외한 3예는 전형적인 초음파 단층상을 나타냈었다. 5. 태반위치를 확인하기 위한 8예중 2예의 전치태반과 2예의 태반초기박리를 확인할 수 있 었으나 나머지 4예에서는 태반위치의 확인이 어려ㅇ다. 6. 3예의 다태임신, 1예의 뇌수종 기형아, 30예의 이상태위의 진단에는 단순 복부 X-선 촬영 없이 신속하고 정확하게 진단할 수 있었다. 7. 산후 자궁수축부전증에서 태반 잔유물이나 혈괴를 산모 퇴원전에 발견하여 제거해 주므 로써 만기 자궁출혈을 예방할 수 있었다. 8. 13예의 난소종양, 2예의 자궁근종을 수술전에 크기, 위치 및 성상을 알수 있었다. 9. 6예의 자궁외 임신에서는 골반강내의 혈괴를 확인할 수 있었으며 자궁강내에서는 태낭상 을 발견할 수 없었다. 10. 3예의 자궁강내 피임장치를 쉽게 확인할 수 있었다. 1. The gestational ring before 6 weeks of pregnancy could hardly be recognized, however, after 7 weeks of pregnancy it was easily detectable. The fetal head was detectable after the 14 th weeks of pregnancy 2. Two of 4 cases which was suggested to interrup the pregnancy among 10 cases of threatened abortion clinically was noticed spontaneous abortion. 3. 5 cases of incomplete abortion and 3 cases of missed abortion were consistent with the clinical symptoms. 4. 3 cases of hydatidiform mole except 1 case of partial mole was shown the typical ultrasonic mole pattern. 5. placental location could not be easily identified for vaginal bleedings of 3rd trimester pregnancy. 2 cases of partial placenta previa and 2 cases of abruptio placenta were diagnosed, but 4 cases could`t be detected. 6. 3 cases of multiple pregnancy, 1 cases of hydrocephalus and 30 cases of abnormal pregentation were easily diagnosed without X-ray examination. 7. In many cases of insufficient postpartum uterine contraction were detected the placental remnants or blood clot before discharge, so we could prevent the late uterine bleeding. 8. 13 cases of ovarian tumor and 2 cases of myoma uteri were recongnized before operation. 9. In 6 cases of ectopic gestation was found the accumulated peritoneal blood, and not saw the intrauterine gestational sacs. 10. In 3 cases of intrauterine contraceptive devices localization was very helpful, because sonogram was relatively simple, accurate and safe.

차세대 양수발전원의 국내외 동향

이연찬(YC Lee),박주창(Joochang Park),차준민(Junmin Cha),임형빈(Heungbin Lim),박은성(Eunsoo Park),김은수(EunSoo Kim),최재석(JS Choi) 대한전기학회 2023 대한전기학회 학술대회 논문집 Vol.2023 No.7

만기임신양수의 산염기균형에 관한 연구

신용철(YC Shin) 대한산부인과학회 1978 Obstetrics & Gynecology Science Vol.21 No.11

In recente year a number of components of the amniotic fluid have been noted to change progressively during pregnancy and accordingly have been intensively investigated as indicators of fetal maturity and well-beings for better management of mothers and babies. Amniotic fluid has also become of practical interest with the advent of dragnostic amniocentesis: water and solute exchange directly between amniotic fluid and various parts of pregnant uterus across extracellular membrane as extracellular compartment of human tissues. It is the object of the present study to show that a proper interpretation of the acid-base value of the amniotic fluid may offer important information about general conditions of the fetus and neonate. Experiments were designed with each group of twenty vigorous and depressed babies delivered by cesarean section under spinal anesthesia in healthy Korean women without O2 inhalation.l Acid-base values were measured in arterial blood of mothers radial artery and fetal umbilical vein, and amniotic fluid which aspirated just before taking out babies from amniotic sac. Following result were obtained: 1. Average values of partial pressure of oxygen and carbon dioxide and hydrogenion concentration(pH) in the amniotic fluid of twenty vigorous babies(above Apgar score 8) were 45 0.28 mmHg, 51 0.30 mmHg, and 62 0.34 nEq/L(pH=7.21) respectively. 2. Average values of partial pressure of oxygen and carbon dioxide and hydrogenion concentration(pH) in the amniotic fluid of twenty depressed babies(under Apgar score 4) were 20 0.21 mmHg. 80 0.20 mmHg, and 123 0.84 nEq/L(pH=6.91) respectively. 3. Correlation of hydrogenion concentration with PO2 and PCO2 was not observed. 4. There was a good correlation in the acid-base status of the amniotic fluid of vigorous and depressed babies with those of neonate. 5. It is suggestive that the values of acid-base status in amniotic fluid near term reflect the general condition of neonate and may serve the estimation of fetal status.

조기파막에 대한 임상적 고찰

주영철(YC Joo),주창남(CN Joo),장명익(MI Chang),김경태(KT Kim) 대한산부인과학회 1977 Obstetrics & Gynecology Science Vol.20 No.6

본원 산부인과에서 1969년 1월부터 1974년 12월까지 만 5년간 조기파수로 입원하였던 임산부 229예에 대하여 임상적 관찰을 한 바 다음과 같은 결론을 얻었다. ① 조기파수의 빈도는 총 8,219 분만예 중 229예 이었다. ② 조기 분만에 654예 중 41예에서 조기파수가 발생하여 6.5%에 해당하였다. ③ 조기파수229예 중 사산을 한 경우가 7예, 신생아 사망이 2예 이었다. ④ 모체의 감염군에서 잠재기간이 18시간 이내인 경우는 사산이 없었으며 4예의 사산은 잠재기간이 전부 24시간 이상의 예이었다. ⑤ 주산기사망 9예 중 6예가 체중이 2500gm 이하이었다. ⑥ 모체의 이병율은 45예로 29.0% 이었다. ⑦ 합병증으로 빈혈이 35예(15.2%), 임신중독증 21예(9.1%), 이상태위가 13예(5.6%) 의 순이었다. ⑧ 조산아와 성숙아에서 모체의 감염 분포를 보면 조산아 분만예에서 16예(42.2%), 성숙아 분만에 38예(31.9%)였다. ⑨ 제왕절개술은 12예로 아두골반 불균형이 5예, 이상태위가 5예, 전치태반과 제대탈출이 각각 1예 이었다. ⑩ 잠재기간이 24시간 이내인 경우는 신생아 체중이 2500gm이상인 예에서 78예로서 65.5%이었다. The spontaneous premature rupture of membranes has presented unsolved problems and controversy in treatment in three major aspects such as an increase in prematurity, an increase in infection of the mother and an increase infection of infant. We have clinical analysis of 229 cases of spontaneous premature rupture of membranes at the Department of Obstetrics and Gynecology National Medical Center in Korea and obtained the following results. 1) The incidence of S.P.R.M. is 2.8% (229 cases out of 8,219 deliveries) 2) The incidence of S.P.R.M. of premature deliveries is 6.5% (41 cases out of 554 premature deliveries) 3) Perinatal death cases are 9 cases ( F.D.I.U. 7 cases and 2 cases of neonatal death) 4) There is no fetal death case in the group of within 18 hours of latent period. 5) The main cause of perinatal death is prematurity. 6) The incidence of maternal morbidity is 29.0% (45 cases out of 229 cases) 7) The most common complications during pregnancy in S.P.R.M are anemia, toxemia and abnormal presentations. 8) the incidence of C-section is 15.3% and the most common indications of C-section are C.P.D. (5cases), fetal distress (5 cases) and abnormal presentations (5 cases). 9) The latent period is within 24 hours in most cases of over 2500 gm of fetal weight.

제왕절개 자궁적출술의 임상적 고찰

조영채(YC Jo),박정원(JW Park),권석민(SM Kwon),고재환(JH Koh),김용봉(YB Kim),이응수(ES Lee),박성관(SK Park) 대한산부인과학회 1998 Obstetrics & Gynecology Science Vol.41 No.10

Objectives: To review 19 cases of cesarean hysterectomy performed at Seoul Paik Hospital, College of Medicine, Inje University from January, 1986 to December, 1997. Methods: A retrospective study of all cases of cesarean hysterectomy was made, and method of delivery, maternal age, parity, indications for hysterectomy, amounts of transfusion, perinatal mortality, complications were reviewed. Results: Cesarean hysterectomy was performed in 14 of 2,964 Cesarean sections (0.47%) and in 5 of 7,173 vaginal deliveries (0.07%). The higher the age and the parity of patients, the higher incidence of Cesarean hysterectomy. The most common indication of Cesarean hysterectomy was uterine atony (47.4%), followed by uterine rupture (21.0%), placenta previa with adhesive placenta (15.7%), adhesive placenta (10.6%), uterine myoma with pregnancy (5.3%). All patients who underwent Cesarean hysterectomy received transfusion from 3 to 58 pints. In aspect of fetal outcome, live births were 15 cases (79.0%), 2 infants were still birth (10.5%), 2 infants were dead during early neonatal period (10.5%), so perinatal mortality rate was 21.0%. The postoperative complications were bladder injury, febrile morbidity, disseminated intravascular coagulation, intestinal obstruction and wound hematoma. There were 2 maternal deaths, of which the causes were disseminated intravascular coaglulation. Conclusions: In spite of operative risks, Cesarean hysterectomy is a necessary life saving operation. Prevention of complications that give rise to hysterectomy and optimally timed surgery should decrease maternal morbidity and mortality.

불임시술방법에 따른 난관복원술의 임신성공율에 관한 연구

최영철(YC Choe),김태선(TS Kim) 대한산부인과학회 1993 Obstetrics & Gynecology Science Vol.36 No.7

From January,1988 to December, 1990,117 cases of tubal reversals which were followed-up more than 6 months after reanastomosis operation,which in consecutively chosen,at the Department of Obstetrics and Gynecology,Pusan National University Hospital were reviewed for comparison of pregnancy rates between two group(ring sterilization group38cases,cautery sterilization group:70cases). The summary as follows: 1. The mean age was 32.2 years in ring group and 32.7 years in cautery group.Average interval between sterilization and reversal was64.7 months in ring group and 59.1 months in cautery group. 2. The postoperative length of the trbe was 6cm of more in 89.5% in ring group and 70.0%in cautery group. 3. In two group, the most common site of the anastomosis was isthmic-isthmic portion. 4. Of all 117 cases,34(89.5%)cases were pregnant in ring group and 57(72.2%) cases in cautery group. 5. Between two group, statistical differences were found in pregnancy rates according to the previous sterilization method(P<0.05). 6. The rate of full term delivery was 41.2% in ring group(14cases/34 cases), 35.1% in cautery group(20 cases/57 cases). The rate of the spontanous abortion was 11.8% in ring group(4 cases/34 cases) and 12.3%(7 cases/57 cases) in cautery group.

원발성 난소융모암의 1례

부영철(YC Boo),윤정웅(CW Yun),이홍재(HJ Lee),신안식(AS Shin),정현복(HB Chung) 대한산부인과학회 1971 Obstetrics & Gynecology Science Vol.14 No.5

17세의 처녀에 생긴 난소기형종내에 원발성으로 융모암이 생겨 폐에까지 전이된 1례를 보았기에 보고한다. A case of primary choriocarcinoma of the ovary in 17 years school girl is presented and the literatures on the primary ovarian choriocarcinoma are briefly reviewed.