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체외수정시술로 출생한 쌍생아의 임상적 경과에 대한 비교 분석
김경아,민우경,임재우,전누리,원혜성,김정훈,김애란,이필량,이인식,김기수,김암,피수영,Kim, Kyung-Ah,Min, Uoo-Gyung,Lim, Jae-Woo,Jun, Nu-Lee,Won, Hye-Sung,Kim, Chung-Hoon,Kim, Ellen Ai-Rhan,Lee, Pil-Ryang,Lee, In-Sik,Kim, Ki-Soo,Kim, Ahm,Pi 대한소아청소년과학회 2003 Clinical and Experimental Pediatrics (CEP) Vol.46 No.3
목 적 : 불임의 증가와 함께 체외수정시술에 의한 신생아의 출생이 점차 증가하고 있으나, 이들에 대한 임상적 예후와 경과에 대한 연구가 미비한 실정으로 본원에서 출생한 체외수정 쌍생아의 임상적 경과 및 예후를 알고자 본 연구를 시행하였다. 방 법 : 1995년 1월부터 2000년 6월까지 6년간 서울아산병원에서 분만된 신생아 460쌍 중 250쌍의 자연 수정에 의한 쌍생아(대조군)와 체외 수정 시술에 의해 출생한 156쌍의 쌍생아를 대상으로 재태연령, 출생체중, 성비, 입원률, 1분/5분 Apgar 점수, 동맥관개존증의 발생 및 인도신 치료 여부, 신생아 호흡 곤란 증후군, 일과성 빈호흡, 황달, 미숙아망막증, 뇌출혈, 괴사성 장염, 패혈증, 전해질 이상, 선천적 기형의 발생 유무를 비교하였으며, 입원기간과 사망률을 알아보고 비교 분석하였다. 또한 산모의 나이와 출산력 및 조기양막파열, 임신성 고혈압, 조기진통의 발생 여부와 임신 중의 입원횟수와 입원기간을 비교하였다. 결 과 : 6년간 본원에서 출생한 쌍생아는 총 460쌍이었으며 이중 체외수정시술에 의해 출생한 쌍생아는 156쌍(34.1%)이었다. 산모의 과거력과 임신성 합병증, 임신기간, 출산 형태에 대한 비교에서 산모의 나이, 출산력, 입원기간 등은 두 군 사이에 차이가 없었으나, 체외수정시술을 받은 산모에서 조기진통의 횟수가 많았고, 입원 횟수가 의미있게 많았다. 분만 형태의 비교에서 체외수정시술을 받았던 군이 자연수정군에 비해 수술로 분만한 경우가 의미있게 많았으며(93% vs 82%) 응급 수술보다 정규 수술이 의미있게 많았다. 신생아의 비교에 있어서 몸무게, 성비, 동맥관개존증의 발생 및 인도신 치료 여부, 신생아 호흡 곤란 증후군, 일과성 빈호흡, 황달, 미숙아망막증, 뇌출혈, 괴사성 장염, 패혈증, 선천적 기형의 발생 유무, 생존율, 입원기간 등은 두 군간에 의미 있는 차이가 없었고, 1분, 5분 Apgar 점수가 자연수정군에서 높았으며, 전해질의 이상소견이 체외수정시술군에서 의미있게 많았다. 체외수정시술에 의한 쌍생아군에서 첫 번째 아가와 두번째 아가를 비교하였을 때 출생체중, 신생아 집중치료실 입원율, 입원기간 등은 차이는 없었으나, 신생아 호흡 곤란 증후군, 동맥간개존증, 패혈증, 괴사성장염 등은 두번째 아가에서 유의하게 많았다. 결 론 : 체외수정시술에 의한 쌍생아의 출생은 전체 쌍생아 출생아의 34.1%로 많은 부분을 차지하였고, 산과적 합병증 및 주산기 예후를 비교하였을 때 체외수정군과 자연수정군이 유의한 차이가 없었다. Purpose : To examine various neonatal outcomes and perinatal factors resulting from assisted reproduction compared to that of spontaneous conception. Methods : This is a retrospective study. The control cases were all twins of spontaneous conception born between periods from January 1995 to June 2000. The study cases were identified from twins conceived by assisted reproduction in the same time peried. A total of 460 sets of twins consisted of 250 twins of spontaneous conception and 156 twins of assisted reproduction were studied. The primary outcomes were neonatal morbidity and mortality and the secondary outcomes were perinatal factors including number, length and cost of hospitalization for the delivery. Results : No differences were seen in various neonatal factors including gestational age, birth weight and incidences of respiratory distress syndrome, patent ductus arteriosus, necrotizing enterocolitis, hyperbilirubinemia, sepsis, intraventricular hemorrhage and the length of hospitalizations. Lower one minute and five minute Apgar scores and frequently encountered electrolyte abnormalities were observed in neonates of assisted reproduction. In general, the second twin of assisted reproduction had increased incidences of respiratory distress syndrome, sepsis and necrotizing enterocolitis than the first twin. Increased frequencies of preterm labor, hospitalization and elective cesarean section were seen among mothers who underwent artifical conception. However, overall hospital costs in terms of mothers hospitalization for the delivery and neonates hospitalization did not show differences. Conclusion : Assisted reproduction twins had similar neonatal morbidities, mortalities and perinatal morbidities compared to those born by spontaneous conception.
낙동강수계 주요 하, 폐수처리장 방류수내 미량유해물질 모니터링
김경아 ( Gyung A Kim ),서창동 ( Chang Dong Seo ),이상원 ( Sang Won Lee ),류동춘 ( Dong Choon Ryu ),권기원 ( Ki Won Kwon ) 한국환경과학회 2014 한국환경과학회지 Vol.23 No.7
This study was investigated twenty two hazardous chemicals compounds for effluents of nine sewage treatment plants (STPs) and one waste water treatment plant (WWTP) in the Nakdong Ri-ver Basin. They are eleven phthalates(DMP, DEP, DIBP, DBP, BEEP, DNPP, DHP, DCP, DEHP, DNOP, Dinonyl phthalate, seven aliphatic hydrocarbons(n-Tridecane, n-Tetradecane, n-Pentadecan-e, n-Hexadecane, n-Heptadecane, n-Octadecane, n-Nonadecane, Isoquinoline, 2-Chloropyridine, 2-N-itrophenol, and Benzophenone. The twenty two compounds were analyzed by gas chromatograp-hy mass spectrometry (GC/MS) with liquid-liquid extraction (LLE). Twenteen of twenty two subs-tances were detected. They were DMP, DEP, DIBP, DBP, DEHP, n-Tetradecane, n-Pentadecane, n-Heptadecane, n-Octadecane, n-Nonadecane, Isoquinoline and Benzophenone. Among these, DEHP, DEP and Benzophenone were most frequently observed. They were obtained as ND~36.881 ㎍/L, ND~0.950 ㎍/L, ND~2.019 ㎍/L, respectively. When the substances were calculated the average concentration at 10 points, the maximum average detection concentration was investigated at the Dalseocheon STP.
김경아(Gyung A Kim),손희종(Hee Jong Son),이상원(Sang Won Lee),류동춘(Dong Choon Ryu),권기원(Ki Won Kwon) 大韓環境工學會 2014 대한환경공학회지 Vol.36 No.1
본 연구에서는 낙동강에서의 nitrosamine류의 검출 현황에 대해 조사하였다. 본 연구결과에 따르면 6종의 nitrosamine류 (NDEA (N-nitrosodiethylamine), NDPA (N-Nitrosodi-n-propylamine), NDMA (N-nitrosodimethylamine), NMEA (N-nitrosomethylethylamine), NDBA (N-nitrosodi-n-butylamine) 및 NDPHA (N-Nitrosodiphenylamine))가 낙동강에서 검출되었다. 검출된 nitrosamine류 6종 중에서 NDEA와 NDPA가 주요 오염물질로 나타났으며, 몇몇 지점들에서의 NDEA의 검출농도는 미국 CDHCS (California Department of Health Care Services)의 대응수준인 100 ng/L를 초과하였으며, NDPA의 경우는 소수의 지점들에서 CDHCS의 대응수준(500 ng/L)에 근접한 농도로 검출되었다. 낙동강에서 검출된 nitrosamine류 9종의 최대 검출농도는 735.7ng/L로 나타났다. The survey of nitrosamine occurrence at Nakdong river is conducted in this study. According to the study results, six nitrosamine compounds (NDEA as N-nitrosodiethylamine, NDPA as N-Nitrosodi-n-propylamine, NDMA as N-nitrosodimethylamine, NMEA as N-nitrosomethylethylamine, NDBA as N-nitrosodi-n-butylamine, and NDPHA as N-Nitrosodiphenylamine) were detected at the Nakdong river. Among these, NDEA and NDPA are the most important compounds in terms of the nitrosamine contamination of Nakdong river. The detected concentration of NDEA exceeded the CDHCS (California Department of Health Care Services) response level of 100 ng/L at several sites. The detected concentration of NDPA approached the response level (500 ng/L) at few sites. When all nitrosamine concentrations were summed up, the maximum concentration of 735.7 ng/L was detected at the Nakdong river.
LC/MS/MS를 이용한 유기인계 농약류의 최적 분석법 정립과 원,정수에서의 모니터링
김경아 ( Gyung A Kim ),송미정 ( Mi Jeong Song ),염훈식 ( Hoon Sik Yeom ),손희종 ( Hee Jong Son ),이상원 ( Sang Won Lee ),최진택 ( Jin Tack Choi ) 한국환경과학회 2015 한국환경과학회지 Vol.24 No.12
The analytical method for 16 organophosphorus pesticides was developed in this study. The 16 organophosphorus pesticides were analyzed by liquid chromatography-tandem mass spectrometry (LC/MS/MS) using on-line solid phase extraction (on-line SPE) with PLRP- S cartridge. Analysis of all analytes in the MS/MS was processed in the electrospray ioni-zation (ESI) positive mode. They are Azinphos ethyl, Chlorfenvinphos, Ethion, Famphur, Phosmet, Phosphamidon, Terbufos, Aspon, Chlorpyrifos-methyl, Crotoxyphos, Dichlofenthi-on, Dicrotophos, Fonofos, Thionazin, Dimethoate and Iprobenfos. Limits of detection (LODs) and Limits of quantification(LOQs) were obtained as 0.8~2.0 ng/L and 2.6~6.4 ng/L, respectively. All compounds were not detected at the 8 sampling points of the raw water and clean water.
말기신부전증 환자에서 단백동화호르몬 투여중 발생한 일시적인 한외여과부전
이승우,김문재,송준호,이경주,김경아 대한신장학회 2000 Kidney Research and Clinical Practice Vol.19 No.4
Nandrolone decanoete(ND), one of the anabolic steroids, has been used by athletes to build muscle mass and enhance weight-lifting performance and has also shown to be useful in malnourished ESRD patients. However, ND has several adverse effects including edema. After we experienced a case of severe edema and transient ultrafiltration failure(TUF) requiring more frequent number of dialysis during ND treatment, we prospectively studied the incidence and clinical characteristics of TUF during ND treatment. Among 30 ND-treated patients, 7 patients developed TUF. All TUF+ patients were female and had sigificantly higher number of patients with congestive heart failure, more use of minoxidil and moderate to severe malnutrition than TUF- patients. There were no significant differences in age, duration of dialysis, and number of diabetics between TUF+ and TUF group. In ND-treated male patients, the number of patients with CHF and moderate to severe malnutrition and with use of minoxidil were significantly lower than TUF+ ones. Body weight and serum albumin concentrations were significantly increased 2-3 months after ND treatrnent in TUF+ patients. But there were no differences in body weight and serum albumin in TUF-patients. In TUF+ patients, frequency of HD increased from 3 times to 4 to 6 times a week. CAPD patients with TUF+ had more frequently used 4.25% dialysate and number of exchanges were increased. In most TUF+ patients, severe edema and TUF were disappeared about 2 weeks after treatment. Most TUF+ patients returned to previous schedle of dialysis. In conclusion, ND seems to induce TUF in ESRD patients who had risk for volume regulation such as CHF, hypoalbuminemia, or the use of minoxidil.