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쌍태아에서 제 1태아의 분만 후 제 2태아의 지연분만 : 중례보고
김주환,서민정,유희정,노권일,조대현,박정규,이정헌,조성남,손영수 朝鮮大學校 附設 醫學硏究所 2005 The Medical Journal of Chosun University Vol.30 No.3
With the widespread use of fertility medications and techniques of in vitro fertilization, multiple gestation has become epidemic in modern obstetric practice. Delivery of the initial fetus in a multiple gestation usually is followed by delivery of the subsequent fetus or fetuses shortly thereafter. However in rare circumstances, the delivery is delayed for days due to disappearance of uterine contraction after delivery of the first fetus. When uterine activity ceases after the delivery of the first neonate, a policy of nonintervention may be considered in case of an immature or very premature delivery, in order to achieve a gestational age for the remaining fetus(es) more compatible with neonatal survival. We report a case of twin gestation with prolongation of the delivery interval between the twins for 46 days.
( Heon-ju Kwon ),( Kyoung Won Kim ),( Bohyun Kim ),( So Yeon Kim ),( Chul Seung Lee ),( Jeongjin Lee ),( Gi Won Song ),( Sung Gyu Lee ) 대한간학회 2018 Clinical and Molecular Hepatology(대한간학회지) Vol.24 No.1
Background/Aims: Computed tomography (CT) hepatic volumetry is currently accepted as the most reliable method for preoperative estimation of graft weight in living donor liver transplantation (LDLT). However, several factors can cause inaccuracies in CT volumetry compared to real graft weight. The purpose of this study was to determine the frequency and degree of resection plane-dependent error in CT volumetry of the right hepatic lobe in LDLT. Methods: Forty-six living liver donors underwent CT before donor surgery and on postoperative day 7. Prospective CT volumetry (V< SUB >P< /SUB >) was measured via the assumptive hepatectomy plane. Retrospective liver volume (V< SUB >R< /SUB >) was measured using the actual plane by comparing preoperative and postoperative CT. Compared with intraoperatively measured weight (W), errors in percentage (%) V< SUB >P< /SUB > and V< SUB >R< /SUB > were evaluated. Plane-dependent error in V< SUB >P< /SUB > was defined as the absolute difference between V< SUB >P< /SUB > and V< SUB >R< /SUB >. % plane-dependent error was defined as follows: |V< SUB >P< /SUB >-V< SUB >R< /SUB >|/W·100. Results: Mean V< SUB >P< /SUB >, V< SUB >R< /SUB >, and W were 761.9 mL, 755.0 mL, and 696.9 g. Mean and % errors in V< SUB >P< /SUB > were 73.3 mL and 10.7%. Mean error and % error in V< SUB >R< /SUB > were 64.4 mL and 9.3%. Mean plane-dependent error in V< SUB >P< /SUB > was 32.4 mL. Mean % planedependent error was 4.7%. Plane-dependent error in V< SUB >P< /SUB > exceeded 10% of W in approximately 10% of the subjects in our study. Conclusions: There was approximately 5% plane-dependent error in liver V< SUB >P< /SUB > on CT volumetry. Plane-dependent error in V< SUB >P< /SUB > exceeded 10% of W in approximately 10% of LDLT donors in our study. This error should be considered, especially when CT volumetry is performed by a less experienced operator who is not well acquainted with the donor hepatectomy plane. (Clin Mol Hepatol 2018;24:54-60)
Resection Plane-Dependent Error of CT Volumetry for Right Hepatic Lobe in Live Liver Donors
( Heon-ju Kwon ),( Kyoung Won Kim ),( Bohyun Kim ),( So Yeon Kim ),( Jeongjin Lee ),( Gi Won Song ),( Sung Gyu Lee ) 대한간학회 2017 춘·추계 학술대회 (KASL) Vol.2017 No.1
Aims: CT hepatic volumetry is currently accepted as the most reliable method for preoperative assumption of the graft weight for living donor liver transplantation. However, the estimated value from CT volumetry can be deviated from real graft weight due to several factors including the difference between the preoperative assumptive and the actual hepatectomy planes. It may be worthwhile to determine how much each factor contributes to the error of CT volumetry. Thus, the purpose of this study was to determine the resection plane-dependent error of CT volumetry for right hepatic lobe in live liver donors. Methods: Forty-six live liver donors underwent CT scans ≤2 months before the liver procurement and within postoperative day 7. CT volumetry was performed by two radiologists in consensus using a computer-aided liver volumetry software. Prospective CT volumetry (VP) was measured with assumptive hepatectomy plane. Retrospective liver volume (VR) was measured using actual plane determined by comparing preoperative and postoperative CT scans. Compared with intraoperatively measured weight (W), errors of percentage (%) VP and VR were evaluated. Plane-dependent error of VP was defined as absolute difference between VP and VR. % plane-dependent error was defined as follow:|VP-VR|/W·100. Results: Mean VP, VR, and W were 761.9 mL, 755.0 mL, and 696.9g. Mean and % errors of VP were 73.3 mL and 10.7%. Mean error and % error of VR were 64.4 mL and 9.3%. Mean plane-dependent error of VP was 32.4 mL. Mean % plane-dependent error was 4.7%. The plane-dependent error of VP exceeded 10% of W in approximately 10% of the subjects in our study. Conclusions: There is approximately 5% plane-dependent error for VP at CT volumetry. However, even with correction of plane-dependent error, error of VR is still approximately 9% compared with W.
Heon-Woong Kim,Ju Hyung Kim,Suji Lee,So-Jeong Lee,Hyemin Na,Ryeong Ha Kwon,Seung-Beom Hong,Chi-Do Wee,Seon Mi Yoo,Sang Hoon Lee 한국식품영양과학회 2021 한국식품영양과학회 학술대회발표집 Vol.2021 No.10
A total of 25 conventional soy-isoflavones (CS; daidzin, genistin, 6”-O-malonylgenistin, etc.) and 12 biotransformed soy-isoflavone derivatives (BTS; 8-hydroxydaidzein, 8-hydroxygenistein, 8-hydroxyglycitein, etc.) were identified and quantified from soybean products by fermented and matured conditions using 3 species of Aspergillus luchuensis (M1003, M2096, M2104) based on UPLC-DAD-QToF/MS. The total isoflavone content (mg/100g dry weight) decreased in the order of M1003 (263.8, 230.8, 219.2), M2096 (278.5, 230.9, 212.6) and M2104 (259.8, 218.9, 186.9) every 2 days under fermented condition as well as M1003 (213.2, 207.2, 183.9), M2096 (231.7, 217.7, 201.3) and M2104 (198.0, 176.9, 159.8) every 2 days under matured condition (after fermentation), respectively. Nevertheless, it was found that the BTS content increase at fermented 2-day intervals and also continued to maintain their contents in matured stage as follow. Fermentation: M1003 (67.2, 123.8, 145.5), M2096 (91.9, 132.6, 152.6), M2104 (87.1, 132.9, 122.0); Maturation: M1003 (58.5, 116.9, 122.7), M2096 (96.5, 140.4, 150.6), M2104 (72.2, 108.4, 106.6)
Identification and Quantification of Triterpene Glycosides in Bupleuri Radix Using UPLC-DAD-QToF/MS
Heon-Woong Kim,Hyemin Na,Suji Lee,So-Jeong Lee,Ryeong Ha Kwon,Ju Hyung Kim,Chi-Do Wee,Seon Mi Yoo,Sang Hoon Lee 한국식품영양과학회 2021 한국식품영양과학회 학술대회발표집 Vol.2021 No.10
The chemical information of 35 saponin glycosides was constructed from Bupleurum species such as B. falcatum (Korea), chinense (China), scorzonerifoliun (China) based on MS and NMR data of previous reports. A total of 20 triterpene glycosides (m/z, [M+H]+) including saikosaponin a (781.47), saikosaponin c (927.53), saikosaponin d (781.47), 2”-O-acetylsaikosaponin a (823.48) and 3”-O-acetylsaikosaponin a (823.48) as major components were identified with the reference standards from the roots (termed as Bupleuri radix) of B. falcatum (Korea) and chinense (China) using UPLC-DAD-QToF/MS, and they were classified into 3 types of 13,28-epoxyolean-11-ene, olean-12-ene and olean-11,13(18)-diene by structural characteristics of triterpene aglycone. The total content (mg/100g dry weight) of these glycosides was presented as 1507.43 (Korea) and 2901.26 (China) in B. radix through quantifiable methods of internal and external standards, respectively. However, both radix maintained similar levels of 334.52/28.81 (Korea) and 392.23/25.06 (China) in saikosaponin a/d as major glycosides.