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( Sul Lee ),( Hyung Joon Yoon ),( Eun Hye Jeon ),( Juseok Yang ),( Yong Jung Song ),( Hyun Jin Roh ),( Sang Hun Lee ),( Byung Su Kwon ),( Ki Hyung Kim ),( Dong Soo Suh ) 대한산부인과학회 2019 대한산부인과학회 학술대회 Vol.105 No.-
Objective: The aim of this study is to evaluate oncologic outcomes of total abdominal radical hysterectomy (TARH), total laparoscopic radical hysterectomy (TLRH) and laparoscopic-assisted radical vaginal hysterectomy (LARVH) in early cervical cancer patients (stage IB2-3, tumor size≥2cm), analyzing the risk factors that may affect the clinical results. Methods: A total of 756 patients underwent radical hysterectomy between 2000 and 2019 from three university hospitals (Pusan National University Hospital, Yang-san Pusan National University Hospital, Ulsan University Hospital) were enrolled. Among them, 172 patients with stage IB2-3 were analyzed retrospectively. Results: Seventy-seven patients were treated with TARH, and 95 were managed via minimally invasive surgery (MIS), consisting of 35 with TLRH and 60 with LARVH. TARH group had better disease five-year disease free survival (DFS) and overall survival (OS) compared with MIS group (86.4% vs. 73.4 for DFS and 91.7 vs. 82.2 for OS), but not statistically significant in both (p=0.058 for DFS and p=0.119 for OS). When TARH and the LARVH group were compared, both five-year DFS and OS were not significant different (86.4 vs 82.2%; p=0.288 for DFS and 91.7 vs 84.4%; p=0.206 for OS). However, when TARH and the TLRH group were compared, TLRH group had significantly worse five-year DFS than TARH (86.4 vs 54.5%; p=0.008), but five-year OS was not significant different (91.7 vs 77.5%; p=0.127). Multivariate analysis showed that LN metastasis and TLRH surgical approaches were an independent prognostic factor for DFS in IB2-3 cervical cancers. Conclusion: Our findings provided the evidence that TLRH surgical approach was associated with worse DFS in IB2-3 cervical cancers but that of LARVH was not. Such results may have important implications of colpotomy method for MIS in cervical cancer.
일본제조기업의 대중 직접투자 소유지분 결정요인에 관한 연구
윤성환,전외술 위덕대학교아시아태평양연구소 2004 아태연구 Vol.3 No.-
최근 급속하게 확대되어 왔으며, 앞으로도 지속적으로 증가될 것으로 예상되는 일본제조기업의 대중국 직접투자의 행태를 설명하기 위해 과학적이며 체계적인 연구의 필요성이 제기되고 있다. 이에 따라 본 연구는 일본제조기업의 중국 진출 시 가장 우선적으로 제기되는 소유지분율 결정문제에 초점을 두고 실증분석을 시도하였다. 먼저 문헌조사를 통하여 기존 선행연구를 정리하였으며 이를 토대로 본 연구의 실증분석 모형을 설계하였다. 그리고 중국에 투자 진출하여 실제로 영업활동을 해온 일본제조기업을 대상으로 설문조사를 실시하여 수집된 실증자료를 이용하여 통계분석을 시도하였다. 본 연구에서는 그동안 일본제조기업이 중국에 직접투자의 형태로 진출함에 있어서 소유지분율을 결정하는 요인이 무엇이었는가를 규명하였다. 본 연구에서는 특히 일본 제조기업이 중국투자 결정시 소유지분율의 결정에 영향을 주었던 요인들을 협상력 접근 모형에 근거하여 협상력 강화요인과 협상력 약화요인으로 밝혀내었다. 이는 소유지분율 결정요인을 사후적으로 파악한 것으로서 그동안의 대중국 투자에 대한 일본기업의 행태를 설명해 준다는 점에서 의의가 있다.
Case Report of Pregnancy Induced Atypical Hemolytic-uremic Syndrome
( Eun Hye Jeon ),( Sul Lee ),( So Hee Kim ),( Hyung Joon Yoon ),( Jong Kil Joo ),( Seung Chul Kim ) 대한주산의학회 2021 Perinatology Vol.32 No.2
Pregnancy-associated atypical hemolytic-uremic syndrome (p-aHUS) is a rare and fatal thrombotic microangiopathy characterized by hemolytic anemia, thrombocytopenia and acute renal injury during pregnancy. A pregnant woman with atypical symptoms of hemolytic-uremic syndrome (HUS) delivered a baby by cesarean delivery under suspicion of atypical hemolysis, elevated liver enzymes, low platelets (HELLP) syndrome at 35 weeks of gestation. However, even after delivery, the patient’s condition worsened. Following this, p-aHUS was diagnosed through as a result of ADAMTS13 activity. After several plasma exchanges (PEs) based on diagnosis, vital signs were stabilized and laboratory results were normalized. Herein, we report and review an unusual case of woman with complicated p-aHUS who recovered after PE.
Jehwan Hwang,Jiyeon Jeon,Sujin Yoon,Byung Soo Kang,Deok-Kee Kim,Ha Sul Kim,Sang-Woo Kang,Jun Oh Kim,Woo-Yong Jang,Urbas, Augustine,Zahyun Ku,Sang Jun Lee IET 2015 Electronics letters Vol.51 No.15
<P>In previous work, the present authors discovered the resonant splitting phenomenon of a plasmonic perforated gold film (PGF), as the incident light comes in the polar angle. However, in reality, the light through the imaging lens could be incident on the PGF not only in the polar angle but also in the azimuth angle. The transmission of a PGF against the incident light is analysed in both polar and azimuth angles in spherical coordinates. To mimic the incidence through the lens, a PGF sample is rotated by simultaneously varying both types of angles as normal incidence arrives. For the measurement, the sample has been fabricated with a PGF on a semi-insulating gallium arsenide (GaAs) substrate. The measured transmission spectra show both resonant splitting and merging under TM and TE polarisations as the azimuth angle is increased. Results drawn from this work will pave the way to fully understanding the interaction between the imaging lens and the plasmonic structure (PGF).</P>