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한시은,이영주,윤가영,주종길,이규섭 대한산부인과학회 2014 대한산부인과학회 학술대회 Vol.100 No.-
목적: The aim of this study is to investigate the effect of the new CC regimen on preventing a thin endometrium in PCOS patients receiving CC plus gonadotropin treatment and a timed intercourse cycle. 방법: A total of 173 PCOS women aged less than 40 years were included in this retrospective preliminary trial of CC/hMG with a timed intercourse cycle. Patients were divided into two groups according to the COS protocol. In group A, 104 COS cycles from 67 patients were included and CC 150 mg was given for 3 days from day 3. In group B, 69 COS cycles from 47 patients were included and CC 100 mg was given for 5 days from day 3. Additional hMG was administered every other day, starting on day 7. The thickness of the endometrium was measured on the day of the hCG injection and timed intercourses were recommended at 24 h and 48 h after the hCG injection. 결과: Additional hMG doses in both groups were not significantly different (695.4±275.3 IU vs. 710.3±265.5 IU). Days of hCG administration and mature follicle counts on the day of hCG administration were similar between both groups. Endometrial thickness on the day of hCG administration was significantly increased in group A (9.4±2.1 mm vs. 8.5±1.6 mm, p=0.002). Pregnancy rate was significantly higher in group A than in group B (36.54%, vs. 21.75%, p=0.044). 결론: Three-day CC treatment caused a significantly higher pregnancy rate than the standard 5-day CC treatment in PCOS patients with a timed intercourse cycle. Adequate endometrial growth due to early discontinuation of CC might be a crucial factor in achieving a higher pregnancy rate.
나노초 레이저 접합이 폴리프로필렌의 물리적 및 화학적 특성에 미치는 영향
한시은(S. Han),서영진(Y. Seo),Trinh Ngoc Lanh(N. L. Trinh),박동규(D. Park),Mang Muan Lian(M. M. Lian),Mulugeta Gebrekiros Berhe(M. G. Berhe),백승은(S. Baek),김준기(J. Kim),전수빈(S. Jeon),이동경(D. Lee) Korean Society for Precision Engineering 2021 한국정밀공학회 학술발표대회 논문집 Vol.2021 No.5월
Comparison of mechanical artificial shrinkage methods in mouse blastocyst vitrification
이영주,한시은,윤가영,주종길,이규섭 대한산부인과학회 2014 대한산부인과학회 학술대회 Vol.100 No.-
목적: This study was designed to determine which mechanical artificial shrinkage method, conducted by puncture, pipetting, or aspiration, was effective inincreasing the re-expansion rate of mouse blastocysts. 방법: In each group, 30 mouse blastocysts were used. Before vitrification, the blastocoelic cavity was collapsed by puncture with a micro-needle, pipetting with a micro-glass pipette, and direct aspiration with an ICSI pipette. After thawing, the re-expansion rate of blastocysts was examined for each artificial shrinkage method. Re-expansion rate was checked at 3, 5, and 7 hours after thawing. 결과: The number of re-expanded mouse blastocysts at 5 hours after thawing was12 in the puncture with a micro-needle group, 11 in the pipetting with a micro-glass pipette group, and 24 in the direct aspiration with an ICSI pipette group. The cumulative number of re-expanded mouse blastocysts at 7 hours after thawing was 20 in the puncture with a micro-needle group, 20 in the pipetting with a micro-glass pipette group, and 28 in the direct aspiration with an ICSI pipette group. There were statistically significant differences in the cumulative number of re-expanded mouse blastocysts between 5 hours and 7 hours after thawing (p=0.001 and 0.021, respectively). 결론: Direct aspiration with an ICSI pipette resulted in a higher re-expansion rate than the puncture and pipetting methods. It can be considered that the direct aspiration method is more convenient and simpler than the other two methods.
주종길,홍길표,한시은,이영주,김승철,김창운,이규섭 대한폐경학회 2014 대한폐경학회지 Vol.20 No.3
The aim of this study is to investigate the association between serum uric acid level and metabolic syndromeaccording to menopausal status in Korean women. Methods: A total of 2,241 women who visited to the health promotion center at Pusan National University Hospital from 2010 to2014 were included in this cross-sectional study. Self-report questionnaires and interviews with healthcare providers were usedto assess disease history, medication history, menstrual history and body size measuring. Anthropometric measurements andlaboratory results were compared as presence of metabolic syndrome and menopausal status by student-t test. Logistic regressionanalysis was performed between presence of metabolic syndrome and presumable predictive factors, such as age, menopauseand serum uric acid. Results: The prevalence rate of metabolic syndrome were 7.45% (63/846) in pre-menopausal group and 23.87% (333/1395) inmenopausal group. Serum uric acid level was higher in menopausal women than premenopausal women (4.6 ± 1.1 vs. 4.3 ± 0.9. P = 0.000). And, its concentration was also higher in metabolic syndrome than normal women regarding of menopausal statue(premenopause 4.7 ± 1.1 vs. 4.2 ± 0.8, P = 0.001, menopause 4.9 ± 1.3 vs. 4.5 ± 1.0, P = 0.000). Multiple logistic regression analysisshowed serum uric acid and age have relationship with metabolic syndrome (OR: 1.453, 95% confidence interval [CI]: 1.074-1.111,P = 0.000; OR: 1.092, 95% CI: 1.305-1.619, P = 0.000). Conclusion: We could find out some potential of uric acid as predictive factor for metabolic syndrome in premenopausal andmenopausal group. Further investigation is required to clarify the relationship between serum uric acid, menopause and metabolicsyndrome. (J Menopausal Med 2014;20:126-132)