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한국 여성의 정상 단태 임신에 있어서 임신중기 양수 내 alpha-fetoprotein의 정상범위
김준형 ( Jun Hyung Kim ),변영지 ( Young Ji Byun ),박재선 ( Jai Sun Park ),박진영 ( Jin Young Park ),양정인 ( Jeong In Yang ),김행수 ( Haeng Soo Kim ),유희석 ( Hee Suk Ryu ) 대한산부인과학회 2007 Obstetrics & Gynecology Science Vol.50 No.12
Objective: To determine normal range of amniotic fluid alpha-fetoprotein (AFAFP) in midtrimester singleton Korean pregnant women whose pregnancy and neonatal outcomes were uneventful. Methods: AFAFP levels were measured in midtrimester pregnancy during amniocentesis from May 1995 to September 2006 at tertiary referral center. Normal ranges were obtained from 954 singleton pregnancies in which pregnancy and neonatal outcomes were normal. Results: Median values of AFAFP in midtrimester pregnancy were 15,800 ng/mL, 13,903.9 ng/mL, 11,408.7 ng/mL, 9,690.1 ng/mL, 6,923.4 ng/mL, 6,330.0 ng/mL, 5,295.3 ng/mL, 4,421.2 ng/mL, 3,162.5 ng/mL at 16 week, 17 week, 18 week, 19 week, 20 week, 21 week, 22 week, 23 week, and 24 week. Conclusion: The normal range of AFAFP level in each gestational week in Korean women could be a good reference for prenatal diagnosis of various disorders.
양성천 ( Seong Cheon Yang ),김행수 ( Haeng Soo Kim ),양정인 ( Jeong In Yang ),이희종 ( Hee Jong Lee ),안상태 ( Sang Tae Ahn ),서성석 ( Seong Sug Seo ),유희석 ( Hee Sug Ryu ) 대한산부인과학회 2002 Obstetrics & Gynecology Science Vol.45 No.11
Objective: To determine the effect of lowering the cutoff values of 3-hour oral glucose tolerance test (OGTT) for gestational diabetes mellitus (GDM). Methods: Patients with an abnormal 50 gm glucose challenge test (GCT) of more than 130 mg/dL at 24-28 we
태아의 이형성 신질환을 동반한 임신의 임상 양상 및 주산기 예후
오기석(Kie Suk Oh),김행수(Haeng Soo Kim),양정인(Jeong In Yang),오준환(Joon Hwan Oh),금승섭(Seung Seop Keum) 대한산부인과학회 2000 Obstetrics & Gynecology Science Vol.43 No.1
Objective: To obtain clinically useful data regarding prenatal diagnosis, proper antepartum counseling and obstetric management in pregnancies with fetal dysplastic kidney disease. Methods: We retrospectively reviewed 13 cases of MCDK(Multicystic dysplastic kidney) and PCDK(Polycystic dysplastic kidney), diagnosed by antenatal ultrasound and delivered from June 1994 through July 1999 at Ajou University School of Medicine, Department of Obstetrics and Gynecology, with regard to prenatal ultrasonographic findings, perinatal outcomes, maternal complications and associated fetal anomalies. Results: The incidence of MCDK and PCDK was one in 1,066 and one in 2,398 births, respectively. Of the 9 cases of MCDK, one case was terminated due to severely associated anomaly, and 6 cases were delivered by spontaneous labor or pitocin induction at term, of which 1 case was delivered by pitocin induction at 36 weeks gestation due to intrauterine fetal death. Two cases were delivered by cesarean section. There were no neonatal deaths in 7 cases of MCDK and they have been followed up to date, and alive. Of the 4 cases of PCDK, 3 cases were terminated by induced abortion or induced vaginal delivery, and 1 case was delivered by cesarean section, which was combined with hypertrophic cardiomyopathy, and the baby died within 24 hours after birth. Perinatal complications consisted of small for gestational age, urinary tract infection, hydronephrosis, acute respiratory failure, acute renal failure, periventricular hemorrhage and laryngomalacia in the neonatal period. Conclusion: It is suggested that antenatal ultrasonography and genetic analysis to evaluate accurate diagnosis and associated anomalies should be performed to manage and councel properly the pregnancies with fetal dysplastic kidney disease.
임산부 자궁경부 조직에서 cyclooxygenase-1 , -2의 발현 양상
오준환(Joon Hwan Oh),김행수(Haeng Soo Kim),양정인(Jung In Yang),김명신(Myung Sin Kim),양성천(Sung Chun Yang),한기수(Gee Soo Han),금승섭(Seung Sub Keum),오기석(Gee Suk Oh) 대한산부인과학회 2000 Obstetrics & Gynecology Science Vol.43 No.11
Objective : To determine whether cyclooxygenase (COX)-1 and COX-2 are expressed differentially during the whole gestational period in the pregnant human uterine cervix and if they are involved in the process of labor. Methods : Nine patients were matched for obstetrical history and maternal age were divided into an abortion group who aborted between 13 and 16 weeks(n=3), a preterm group who delivered between 20 and 37 weeks(n=3), and a term group who delivered between 37 and 42 weeks of gestation(n=3). Immediately after vaginal delivery cervical biopsy samples were obtained and immunohistochemically stained for COX-1 and COX-2 and the degree of staining was evaluated by H-scoring system. Results : Expression of COX-1 and COX-2 was found in epithelial and stromal cells of uterine cervical tissues of preterm and term group. The immunohistochemical expression of COX-1 and COX-2 was strongest in the term group compared to the preterm group in stromal cells(HSCORE : 2.0 vs. 4.0 ; 2.0 vs. 3.0), and in epithelial cells(HSCORE : 1.0 vs. 3.0 ; 1.0 vs. 3.0). Conclusion : Although small amount of the groups were investigated, in the pregnant human uterine cervix, COX-1 and COX-2 are found to be expressed, and both shows the strongest expression in term cervical tissue. It is suggested that the uterine cervix, under the control of prostaglandins, is actively involved in the process of labor, and it is thought that the role of COX-1 and COX-2 is more important in parturition process with advancing gestational age.
저체중태아를 동반한 만기임신의 주산기 예후예측을 위한 제대동맥 도플러혈류속도 파형의 유용성
김호연 ( Ho Yeon Kim ),김행수 ( Haeng Soo Kim ),양정인 ( Jeong In Yang ),공태욱 ( Tae Wook Kong ),이경미 ( Kyoung Mi Lee ),장석준 ( Suk Jun Chang ),김용미 ( Yong Mi Kim ) 대한산부인과학회 2009 Obstetrics & Gynecology Science Vol.52 No.5
Objective: To investigate whether umbilical artery Doppler blood flow velocity waveform is effective in predicting perinatal outcome of term pregnancies with small for gestational age (SGA). Methods: A total of 381 patients at 37~41 weeks of gestational age (GA) who received antenatal umbilical artery Doppler blood flow test and delivered singleton SGA infants. The ratio of peak-systolic to end-diastolic (S/D) blood flow velocities in the umbilical artery was measured in each patient. The patients were divided into a normal group (n=307) with a S/D ratio equal to or less than 3.0, and an abnormal group with a S/D ratio of greater than 3.0 (n=74). These groups were comparatively analysed with respect to maternal characteristics and neonatal outcomes. Results: There were no significant differences between the two groups in mean maternal age, gestational age at the time of delivery, and cesarean section rate due to fetal distress. There was significantly increased incidence of hypertensive disorders in pregnancy in the abnormal S/D ratio group. And the abnormal S/D ratio group showed lower neonatal birthweight, higher incidence of admission to neonatal intensive care unit (NICU), and longer stay in neonatal intensive care unit. According to linear regression, in pregnancies complicated by SGA, abnormal S/D ratio was still a risk factor for low birthweight even after controlling for the incidence of hypertension. Conclusion: In term pregnancies accompanied by SGA, abnormal umbilical artery S/D ratio is an independent predictor of neonatal birth weight, incidence of admission to NICU, and NICU stay.
변영지 ( Young Ji Byun ),김행수 ( Haeng Soo Kim ) 대한산부인과학회 2007 Obstetrics & Gynecology Science Vol.50 No.11
Gestational diabetes mellitus (GDM) is characterized by carbohydrate intolerance first discovered or which begins during pregnancy, and there is an increasing tendency of increased frequency of GDM or type 2 diabetes mellitus due to increased rate of obesity, changes in dietary habits and living patterns in reproductive age women. The degree of glucose control affects the perinatal outcome, and therefore early diagnosis and treatment is critical. Women with GDM need to be followed and monitored for type 2 diabetes or recurrence of disease in later pregnancies.
산전 진단된 수신증의 임상 경과 - 단일 기관의 경험 -
김연희,김병주,박문성,양정인,김행수,김병길,배기수,Kim Yeun-Hee,Kim Byoung-Ju,Park Moon-Sung,Yang Jung-In,Kim Haeng-Soo,Kim Pyung-Kil,Pai Ki-Soo 대한소아신장학회 2002 Childhood kidney diseases Vol.6 No.2
목적: 산전 초음파가 널리 이용되면서 태아기의 선천성 요로계의 이상이 발견되는 경우가 점차 증가하고 있다. 수신증의 대부분은 출생 후 1년 내에 자연스럽게 없어지는 생리적 수신증이지만 수술적 교정을 요하는 병적 수신증과의 감별이 쉽지 않다. 본 연구에서는 산전 수신증이 의심되는 환아에서 출생 후 수신증을 확진하여 산전 진단과의 연관성을 비교 분석하고, 산전 수신증의 원인과 자연경과를 이해하여 출생 후 수신증에 대한 대처에 도움을 주고자 본 연구를 시행하였다. 방법: 1994년 9월부터 2001년 8월까지 아주대학교 병원 산과에 등록되어 산전 초음파 검사상 태아 수신증이 의심되었던 환아 119명 중 출생후 실시한 신 초음파 검사에서 수신증이 확진된 91명(121 신단위)을 대상으로 수신증의 원인과 자연경과를 신 초음파 검사와 배설성 신주사 검사로 추적 관찰하였다. 결과: 산전 초음파 검사에서 수신증이 의심되었던 119명의 신생아 중 출생 후 수신증이 확진 되었던 환아는 91명으로 76%였다. 수신증의 원인으로 요관 신우 이행부 협착이 57례(47%)로 가장 많았으며 그 다음으로는 다낭성 이형성신이 12례(10%), 요관 방광 이행부 협착 5례(4%), 방광 요관 역류 5례(4%), 후부요도 판막 2례(2%)등의 눈이었으며 원인을 찾을 수 없었던 경우도 38례(31%)였다. 추적검사에서 47%가 수신증의 완전소식 혹은 호전소견을 보였으며 총 121개의 신 단위 중 10단위가 수술을 받았으며 진단에서 수술까지는 평균 7.2개원이 걸렸다. 결론: 산전 초음파로 발견된 수신증의 대부분은 출생후 수신증으로 확진되었으나 정상인 경우도 있었다. 산전 수신증의 원인으로 요관 신우 이행부 폐쇄가 가장 많았으며 대부분은 비폐색성 수신증이었고, 추적 검사에서 호전되는 경우가 많았다. 그러나 아직까지 신생아 수신증은 정확한 감별진단이 어렵기 때문에 신장기능의 보전을 위해서는 수신증의 정도에 따라 적절한 간격으로 지속적인 관찰을 하는 것이 필요할 것으로 사료된다. Purpose : The detection of hydronephrosis(HN) with antenatal ultrasonography was first reported in the 1970s. Prenatal HN is diagnosed with an incidence of 1:100 to 1:500 on antenatal screening. Recently, the purpose of antenatal screening has changed from simple detection to selection for specific diagnosis-based management. this study is to evaluate the usefulness of antenatal sonography for HN and to investigate the differential causes of HN and their clinical outcomes. Patients and methods : 11,783 live neonates with prenatal ultrasonographic examination at Ajou University School of Medicine, from Sep. 1994 to Aug. 2001 were analyzed. Results and conclusion : Hydronephrosis (>10 mm) was detected in 119 (1.0%) cases antenatally and among these, 91 were proved to have HN postnatally Males were three times more affected than females. Additional imaging studies revealed that ureteropelvic junction obstruction was the most common postnatal diagnosis (47%), followed by multicystic dysplastic kidney, vesicoureteral junction obstruction and vesicoureteral reflux. During 20 months' follow-up(3 to 72 months), 58(48%) renal units showed spontaneous resolution and surgical interventions were necessary in 10 (7.4%) of postnatally confirmed hydronephrotic renal units.