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체외수정시술주기에서 배아와 난구세포의 공배양 효과에 관한 연구
허의종,이원기,Hur, Eui-Jong,Lee, Won-Ki 대한생식의학회 1998 Clinical and Experimental Reproductive Medicine Vol.25 No.3
Despite the rapid development of assisted reproductive technologies (ART) in recent years, implantation rates after replacement of embryos into the uterine cavity remains low. Several techniques such as culture conditions based on formulations of human tubal fluid and various ART techniques as GIFT, ZIFT, TET have been adopted in recent years to improve embryo viability in vitro and implantation rates. Also, coculture of human IVF-derived embryos have been used in an effort to increase the number of viable embryos following IVF and to improve synchrony between the developing embryo and the uterine environment. The aim of this study was to evaluate whether the use of co culture with autologous cumulus cells has a significant beneficial effect on the development of embryos in vitro and its relation to the pregnancy rates in 120 patients with previous failed IVF-ET from September, 1995 to January 1998. We obtained the results from which significant improvement in the quality of viable embryos were observed using a coculture system with autologous cumulus cells, but pregnancy rates in this group of patients did not differ from the rate in the standard IVF group during the same period. Our study shows that a simplified short-term coculture system with autologous cumulus cells may help rescue moderate quality embryos to cleave regularly.
Methotrexate의 국소적ㆍ전신적 요법으로 치유한 자궁경관임신
허의종(Eui Jong Hur),박진완(Jin Wan Park),이원기(Won Ki Lee),하진완(Jin Wan Hah) 대한산부인과학회 1999 Obstetrics & Gynecology Science Vol.42 No.12
Cervical pregnancy is a rare form of ectopic pregnancy and it can cause life-threatening bleeding. Until recently abdominal hysterectomy has been considered the standard therapy for fear of profuse hemorrhage. Methotrexate, however, can be useful agent to conserve further fertility and it is used in various routes of administration. We report a case of cervical pregnancy that was successfully treated by intraamniotic methotrexate injection under the guidance of transvaginal ultrasonography and subsequent four systemic doses thereafter.
비파열성 자궁외임신에서 Methotrexate 의 전신투여요법과 국소투여요법의 비교
허의종(Eui Jong Hur),박진완(Jin Wan Park),최용욱(Yong Wook Choi) 대한산부인과학회 2002 Obstetrics & Gynecology Science Vol.45 No.1
Objective : This study was performed to evaluate the efficacy of treating of unruptured ectopic pregnancy by systemic and transvaginal local administration of methotrexate. Methods : We reviewed the medical records of 32 patients who were treated with methotrexate from June 1995 to October 1999. Among the patients, 14 were treated by ultrasound-guided transvaginal local injection and 18 were treated by systemic intramuscular administration. Success rate of the treatment was examined for each group, and the cases of methotrexate failure were characterized and compared with the success group. Results : The success rate was similar between the transvaginal (85.7%) and the systemic (77.8%) groups. There were no differences in initial serum hCG levels, size of gestational sac, fetal cardiac activity between the success group and failure group. Conclusion : The results of this study suggest that there is no difference in efficacy between systemic and transvaginal local methotrexate administration, and there are no useful parameters in identifying the risk for the failure of methotrexate treatment.
박진완(Jin Wan Park),허의종(Eui Jong Hur),이원기(Won Ki Lee) 대한산부인과학회 2002 Obstetrics & Gynecology Science Vol.45 No.1
Objective : The aim of the study is to assess the effects of treatment with an extract from Cimicifuga racemosa for 1 year in postmenopausal women with symptoms. Methods : In a randomised, open-label, group-comparative study, the change on the Kupperman menopausal index, serum FSH and E2 level, bone densitometry (BMD), and mammographic density by an extract from Cimicifuga racemosa (GYNO-Qxⓡ) (N=40) were compared with an conjugated equine estrogen combined with medroxyprogesterone acetate (CEE/MPA) (N=36) during 12 months in menopausal women. Results : There were no statistical differences in the change of Kupperman index, serum FSH and E2 level, and mammographic density between two groups after 12 months, except the effect of BMD that the CEE/MPA group (+6.6%) was significantly increased as compared to the extract from Cimicifuga racemosa (+1.1%) baseline. Conclusion : This study suggests that an extract of Cimicifuga racemosa is a safe, effective alternative to estrogen replacement therapy for patients in whom hormone replacement therapy is either refused or contraindicated.
유도분만시 경질투여에 의한 Prostaglandin E1 ( Misoprostol ) 과 Prostaglandin E2 ( Dinoprostone ) 의 안전성과 유효성의 비교
주선하(Seon Ha Joo),허의종(Eui Jong Hur),박진완(Jin Wan Park),이원기(Won Ki Lee) 대한산부인과학회 2000 Obstetrics & Gynecology Science Vol.43 No.3
Objective: Our purpose was to compare the safety and efficacy of intravaginally administered misoprostol(PGE1) versus dinoprostone(PGE2) for labor induction in a prospective controlled trial. Method: One hundred eleven patients for labor induction (including preterm rupture of membranes) were randomly assigned to receive either misoprostol 50μg or dinoprostone 3mg intravaginally. The interval of doses was 8 hours after first dose, with a potential maximum of six dose until active labor pain was achieved. Results: Among 111 patients enrolled, 55 were randomized to receive misoprostol 50μg and 56 to receive dinoprostone 3mg with every 8 hours interval intravaginally. There were no significant differences in demographic characteristics except in Bishop score(3.81±1.52 vs 4.38±1.29, P<0.05). There were no significant differences in indications for labor induction. The interval of induction to delivery was shorter in the misoprostol group(750.8±518.8min) than in the dinoprostone group(1264.1±730.7min). Delivery within 24 hours after administration occurred more often in the misoprostol group than in the dinoprostone group (86.3% vs 65.2%, P<0.05). More than two doses for completion of delivery were frequent in dinoprostone group(36.96% vs 9.8% in misoprostol group, P<0.05). Additional Oxytocin augmentation was needed more commonly in the misoprostol group(3.64%) than in the dinoprostone group(14.29%)(P<0.05), but no significant differences were noted between two groups in total oxytocin doses and indications. Tachysystole occurred more often in the misoprostol group (12.73% vs 1.79% in the dinoprostone, P<0.05) Precipitating delivery occurred more commonly in the misoprostol group(21.82% vs 7.14% in the dinoprostone group, P<0.05). No differences in the cesarean section rate, fetal heart rate abnormalities, hyperstimulation syndrome, meconium staining, fetal outcome (Apgar score at 1 and 5 minutes, birth weight), and marternal outcome (nausea and vomitting, postpartum bleeding) were noted. The cost of misoprosl is one hundredth cheaper than dinoprostone. There was no significant differences in the fetal outcome and maternal outcome. Conclusion: These results suggest that intravaginal misoprostol(PGE1) is a safe drug for labor induction which is more effective and cheaper compare to intravaginal dinoprostone(PGE2).
근치적 자궁절제술을 받은 자궁경부암 환자에서 고위험 예후인자 존재유무, 임상병기, 그리고 병리학적 유형에 따른 E-cadherin 발현양상에 관한 연구
이민희(Min Heui Yi),허의종(Eui Jong Hur),박진완(Jin Wan Park),이민철(Min Chul Lee),이원기(Won Ki Lee) 대한산부인과학회 2000 Obstetrics & Gynecology Science Vol.43 No.6
Objective : To analyze the relationship between the degree of expression of E-cadherin and presence of high risk prognostic factors (lymph node metastasis or parametrium involvement), clinical stages and pathologic types in invasive cervical cancer.Methods : An immunohistochemical technique has been applied to formalin-fixed, paraffin- embedded samples from 20 radical hysterectomy without risk factors and 16 radical hysterectomy with risk factors. The degree of expressions of E-cadherin immunostaining was compared with the International Federation of Gynecology and Obstetrics (FIGO) stage, presence of high risk prognostic factors, and pathologic types.Results : The difference of the degree of expression of E-cadherin was not statistically significant between high-risk group (lymph node metastasis or parametrium invasion) and non-risk group. The difference of the degree of expression of E-cadherin was not statistically significant according to clinical stages and variable pathologic types either.Conclusion : These results suggest that the degree of the expression of E-cadherin has no relationship with known high risk prognostic factors, clinical stages and pathologic types in invasive cervical cancer.