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인공수정시술주기에서 내인성 LH, GnRH Agonist 및 hCG를 이용한 배란유발후 임신율의 비교연구
이종인,허영문,전은숙,윤정임,정구성,홍기언,유승환,이현숙,홍정의,이지삼,Lee, Jong-In,Hur, Young-Mun,Jeon, Eun-Suk,Yoon, Jeong-Im,Jung, Goo-Sung,Hong, Ki-Eon,You, Seung-Hwan,Lee, Hyeon-Sook,Hong, Jeong-Eui,Lee, Ji-Sam 대한생식의학회 1999 Clinical and Experimental Reproductive Medicine Vol.26 No.3
Objective: This study was designed to evaluate the effects of endogenous LH surge, GnRH agonist (GnRH-a) or human chorionic gonadotropin (hCG) as ovulation trigger on pregnancy rate by intrauterine insemination (IUI). Method: Patients received daily 100 mg of clomiphene citrate (CC) for 5 days starting on the third day of the menstrual cycle followed by human menopausal gonadotropin (hMG) for ovulation induction. Follicles larger than >16 mm in diameter were present in the ovary, frequent LH tests in urine were introduced to detect an endogenous LH surge. Final follicular maturation and ovulation were induced by GnRH-a 0.1 mg (s.c.) or hCG $5,000{\sim}10,000$ IU (i.m.) administration except natural ovulation. Pregnancy was classified as clinical if a gestational sac or fetal cardiac activity was seen on ultrasound. Results: There were no differences in age, duration of infertility and follicle size, but more ampules of hMG were used in GnRH-a group compared to hCG 10,000 IU treated group (p<0.05). Lower level of estradiol ($E_2$) on the day of hCG or GnRH-a injection was observed in hCG 10,000 IU group than other treatment groups (p<0.01). The overall clinical pregnancy rate was 19.8% per cycle (32/162) and 22.2% per patient (32/144). Pregnancy rate was higher in natural-endogenous LH surge group (37.5%, 9/24) than GnRH-a (18.8%) or hCG treated group (20.9% & 13.9%), but this difference was not statistically significant. No patient developed ovarian hyperstimulation. Abortion rate was 22.2% (2/9) in hCG 5,000 IU group. Delivery or ongoing pregnancy rate was 37.5% (9/24), 18.8% (3/16), 16.3% (7/43) and 13.9% (11/79) in endogenous LH surge, GnRH-a, hCG 5,000 IU and hCG 10,000 IU treatment groups, respectively. Conclusion: These results support the concept that use of natural-endogenous LH surge in stimulated cycles may be more effective to obtain pregnancies by IUI than GnRH-a or hCG administration.
이종인(Jong In Lee),박훤겸(Hwon Kyum Park),권성준(Sung Joon Kwon),홍은경(Eun Kyoung Hong) 대한소화기학회 1994 대한소화기학회지 Vol.26 No.5
Even though Crohns disease is a rare one in oriental area, it is important to recognize this entity because of its high rate of recurrence, the absence of a absolute curative treatment, its severity and the complications that occur in some patients. Crohns disease has been a chal- lenging problem to most surgeons for its diagnostic difficulty, frequent cases of surgical indica- tions, poor surgical output and recurrent tendency. We experienced a case of a young woman who manifested panperitonitis due to small bowel perforation who underwent emergency oper- ation without suspicion of Crohns disease. We report this case with brief review of literatures. (Korean J Gastroenterol 1994; 26: 869 873)
성숙 흰쥐에 Capsaicin 투여가 시상하부의 vasopressin 분비세포와 oxytocin 분비세포에 미치는 영향
이종은(Jong Eun Lee),김연희(Youn Hee Kim),한후재(Hoo Jae Hann),이원택(Won Taek Lee),박경아(Kyung Ah Park) 대한해부학회 1999 Anatomy & Cell Biology Vol.32 No.6
붉은 고추에서 매운 맛을 내는 성분으로 알려져 있는 capsaicin은 일차 감각신경세포 및 섬유만을 선택적으로 파괴시켜 통증을 억제시키는 효과가 있는 것으로 알려져 있으나, 최근에 와서 중추신경계에도 영향을 미친다는 보고와 이에 대한 가능성이 계속 대두되어 왔다. 본 실험에서는 capsaicin이 중추신경계에도 영향을 줄 수 있다는 가정하에 capsaicin이 중추신경계 내에서 생성되는 호르몬에 미치는 영향을 조사하기 위하여 시상하부의 신경세포에서 분비되는 호르몬인 vasopressin과 oxytocin 생성 세포에 미치는 영향을 조사하였다. 성숙흰쥐에 capsaicin 50 mg/kg를 1회 피하주사로 투여한 후 시상하부에서 vasopressin와 oxytocin에 대한 면역조직화학 염색을 시행하여 다음과 같은 결과를 얻었다. 시상하부의 뇌실옆핵과 시각로위핵에 존재하는 신경세포의 세포체의 면적을 계측한 결과, capsaicin은 일반 신경세포나 vasopressin 양성 반응 세포, oxytocin 양성 반응 세포 모두에서 세포체 면적의 감소를 초래하였다. 시상하부의 뇌실옆핵과 시각로위핵에서 vasopressin 양성 반응 세포와 oxytocin 양성 반응 세포들을 계수한 결과, capsaicin 주사 1개월 후부터 감소추세를 보이기 시작하여 주사후 2개월이 경과할 때까지 계속적으로 감소하는 양상을 보였다. 이상의 결과로 미루어 성숙흰쥐에 투여한 capsaicin은 시상하부의 뇌실옆핵과 시각로위핵의 vasopressin과 oxytocin 분비세포의 vasopressin과 oxytocin에 대한 면역반응성을 감소시키는 것으로 보아 시상하부의 신경분비세포들이 분비하는 vasopressin와 oxytocin의 발현에 영향을 미치는 것으로 생각되었다. Capsaicin, the pungent algesic substance of the red pepper is known to be a neurotoxic substance, interrupting the pain conducting pathway. To investigate the effects on the adult animals, immunohistochemical staining have been done after capsaicin treatment. Capsaicin 50 mg/kg was injected subcutaneously to the adult rats and after 1 week, 1 month and 2 months later, the morphometric change of vasopressin & oxytocin-secreting cells in supraoptic and paraventricular nuclei of the hypothalamic area were investigated. The count of vasopressin- and oxytocinimmunoreactive cells in supraoptic & paraventricular nuclei were decreasing from 1 month after capsaicin treatment and these decreasing was continued until 2 months. The area of neurons in the supraoptic & paraventricular nuclei were measured and they diminished in the all kinds of neurons. With the above results, capsaicin treatment in adult rats had no effects in central nervous system neurotransmitters, however, some part of the hypothalamus where blood brain barrier was not formed were affected. Therefore central nervous system could be affected by capsaicin depending upon the location.