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관상동맥 시술 도중 발생한 좌주간부 관상동맥 박리에 대한 스텐트 삽입 치료의 단장기 임상 결과 : acute and long-term results
이세환,이승환,홍명기,김영학,이철환,한기훈,송종민,강덕현,송재관,김재중,박성욱,박승정 대한내과학회 2004 대한내과학회지 Vol.66 No.6
목적 : 심도자 사용 시술과 관련된 좌주간부 관상동맥박리에 대한 적절한 치료는 아직 확실히 정립되지 않은 상태이다. 이에 본 연구는 좌주간부 관상동맥 박리에 대한 스텐트 삽입술의 단장기 임상결과를 후향적으로 분석하였다. 방법 : 좌주간부 관상동맥 박리에 대한 치료로 즉각적인 스텐트 삽입술을 시행하는 것이 안전하고 효과적인 방법임을 가설하였고, 이러한 즉각적인 스텐트 삽입을 시행한 10명의 환자를 대상으로 단장기적 임상경과를 의무기록 고찰과 전화 면담을 통해서 평가하였다. 결과 : 전체 환자 모두 처음부터 좌주간부 관상동맥에 유의한 협착을 가진 환자는 없었으며, 8명의 환자는 심도자의 조작으로 인한 박리가 발생한 경우였고(진단적 혈관 조영술 중에 3명, 유도 도자 조작 중에 5명), 나머지 2명은 다른 병변에 스텐트 삽입시술을 하는 중에 박리가 발생하였다. 이 10명의 환자에서 모두 즉각적인 스텐트 삽입술이 시행되었고, 4명의 환자에서 시술 도중 혈압 저하로 Intra-aortic Ballon Pump (IABP)를 장착하였다. 모든 환자에서 성공적으로 스텐트가 삽입되었고, 병원내 사망은 1명도 없었다. 6개월 추적 관상동맥 조영술은 8명의 환자에서 시행되었다. 혈관 조영상의 재협착(직경 협착 50% 이상)은 8명 모두에게서 관찰되지 않았으며, 퇴원 후 평균 31±25개월의 추적관찰 결과 주요 심장사건은 1건도 발생하지 않았다. 결론 : 비록 대상 환자가 적은 연구였지만 좌주간부 관상동맥 박리에 대한 스텐트 삽입술은 기술적으로 안전하고 빠르게 시행 할 수 있으며, 훌륭한 단장기적인 치료 효과를 보여준다. Background : The optimal treatment of patients with left main coronary artery (LMCA) dissection during catheter-based procedure remains uncertain. We retrospectively analyzed the acute and long-term results of bail-out stenting for LMCA dissection. Methods : In cases with significant LMCA dissection occurring during catheter-based procedure, prompt stent implantation may be safe and associated with favorable clinical outcome. We evaluated the acute and long-term results of bail-out stenting for LMCA dissection occurring during catheter-bases procedure in 1- patients. Results : Initially, there was significant stenosis of LMCA segment in these patients. Catheter-induced dissection occurred in 8 patients (during diagnostic angiography in 3 patients and guiding catheter manipulation in 5 patients). Two patients suffered dissection in the setting of stent deployment in other vessels. Therefore, bail-out stenting LMCA dissection was performed in a total of 10 patients. In 4 patients, hypotension developed and intra-aortic balloon pump was placed during procedure. Stents were successfully deployed in all patients. There was no in-hospital mortality. Six-month angiographic follow-up was performed in 8 patients. Angiographic restenosis(diameter stenosis 50%) was not observed in all patients at follow-up study. During a mean follow-up of 31±25 months after hospital discharge, there was no major adverse cardiac event (death, myocardial infarction, and target lesion revascularization). Conclusion : Bail-out LMCA stenting is technically feasible, and showed good acute and long-term results in a small series of patients.
산발성 장형 위선암 환자의 Microsatellite Instability와 병리학적 양상
조창희,홍유찬,안지현,최경현,이상호,신영명,윤기영,정민정,장희경 고신대학교의과대학 2007 고신대학교 의과대학 학술지 Vol.22 No.2
Background : Through many researches, microsatellite is expected to be a good diagnositic and prognostic factor in colorectal cancer, endometrial cancer, gastric cancer, and the others. The prevalence of microsatellite instability (MSI) in gastric carcinoma has reported variously, 13~44%. Purpose : We aimed to determine the prevalence of MSI-high and the relationship between MSI and pathological characteristics of sporadic intestinal type adenocarcinoma of stomach. Material and Methods : We analyzed 106 sporadic intestinal type adenocarcinoma specimens excised from patients who were over thirty-five years old to determine the statue of microsatellite by DNA sequencing. The tissues were formalin-fixed and paraffin embedded. DNA were extracted and amplified by polymerase chain reaction (PCR). MSI was determined using five markers recommended by National Cancer Institute (NCI). Specimens were also studied with five patholical factors-differenciation of tumor cells, depth of invasion, lymph node metastasis, vessel invasion, and perineural invasion- to determine pathological state. Result : The microsatellite statue was determined as MSI-High in 5 cases (4.7%), no MSI-low, and MSS (microsatellite stable) in 101 cases (95.3%). Within the frequency, there was no large gap in the distinction of gender in MSI cases, but in MSS cases, there was three-times more cases in male. MSI cases had moderate-to-poor differenciation and trend to invade toward serosa. All MSI cases showed no perineural invasion. But we could not find any statistical significance between MSI and pathological characteristics of sporadic intestinal type adenocarcinoma. Conclusion : Results suggest that MSI can not make any certain pathological significance in sporadic intestinal type adenocarcinoma. Even though less than 5% of sporadic intestinal type adenocarcinoma patients showed MSI, it can be used as a influential prediagnostic factor of gastric cancer. Further study with large scale of cases will be followed to verify these results.
Jong Min Baek,Hyun Jun Kim,Min Woo Nam,Hyun Jin Park,Sung Hum Yeon,Myeong Hwan Oh,Ji Soo Yoon,Hyo Jung Kwon,Kyu Pil Lee,Jong Hwan Lim 한국식품영양과학회 2019 Preventive Nutrition and Food Science Vol.24 No.4
Benign prostatic hyperplasia (BPH) is an age-related disease characterized by prostatic enlargement and is the most common urologic symptoms in elderly men 60 years of age and older. Previously, we documented that 70% ethanol (EtOH) seed extract of Quisqualis indica (QI) attenuates pathological condition of testosterone propionate (TP)-induced BPH rat model via modulation of proliferation and apoptosis of prostate cells. Based on this potential of QI, we produced standardized seed extract of QI (HU-033) in order to prove further mechanisms. In this study, we aimed to suggest further mechanisms underlying the relationship between BPH and HU-033. Through not only cellular and nuclear receptor functional assays, but TP-mediated BPH rat model treated with HU-033, we demonstrated that HU-033 exerted antagonist effect on 1A- and 1D-adrenergic receptors in vitro and inhibitory effect on protein expression of androgen receptor and estrogen receptor alpha in vivo. Taken together, these results suggest that HU-033 is a novel candidate for the management of BPH.
피복관 냉각에 의한 지르코늄 합금 피복관 수소화물 재배열 특성
김명수 ( Myeong Su Kim ),김현길 ( Hyun Gil Kim ),민수정 ( Su Jeong Min ),김규태 ( Kyu Tae Kim ) 대한금속재료학회(구 대한금속학회) 2013 대한금속·재료학회지 Vol.51 No.7
The effects of cooling rates from 400 to 200℃ on hydride reorientation were investigated using ring specimens of 250 ppm and 500 ppm H Zr-Nb cladding tubes. For no stress conditions with cooling rates of 2.5 and 25.0℃/min, the 250 ppm H specimens show that hydride plates are reprecipitated only in a circumferential direction during the cooling from 400 to 200℃, but the hydride plates appear to be much shorter for the 25.0℃/min cooling rate. However, the 500 ppm H specimens show that hydride plates are reprecipitated as a mixture of circumferential and radial hydride plates for the 25.0℃/min cooling rate. This mixed hydride plates may be caused by a blocking effect of circumferential hydrides undissolved on the one hand and by a considerable tensile hoop stress locally generated by a large difference in the cooling rates between outer and interior layers on the other hand. For 150 MPa tensile hoop stress conditions with a cooling rate of 2.5℃/min, the 500 ppm H specimens show a relatively shorter radial hydride plates than the 250 ppm H specimens, which may be explained by a blocking effect of undissolved circumferential hydride plates in the 500 ppm H specimens. Tensile tests for the specimens experiencing the cooling from 400 to 200℃ under the 150 MPa hoop stress conditions indicate that there is little impact of hydrogen content on ultimate tensile strengths but the 250 ppm H specimens generate less plastic elongation and more noticeable cleavage fracture than the 500 ppmH specimens, which may be caused by relatively longer
Differentiation of isoflavones of breeding populations between yellow and black soybean
Byong Won Lee,Myeong Gi Jong,Min Ko,Hyun Tae Kim,Won-Young Han,Ki Won Oh,Hyeon-Jin Park,Sang Ouk Shin,Tae Yoon,In Youl Baek 한국육종학회 2013 한국육종학회 심포지엄 Vol.2013 No.07
Soybean isoflavones include daidzein, genistein and glycitein with their glycosides, and their malonated derivatives are the main polyphenolic compounds that are helpful for human health. Our research objective was to investigate the differentitation of soybean isoflavones contents of breeding populations between yellow and black soybean. Isoflavones contents in soybean are a wide range from 500 to 7000 ㎍/g. In this study, we used Ilmi (Isoflavones content, 3.612 ㎍/g) as male parent and 04GAYT-4 (Isoflavones content, 1,648 ㎍/g) as female parent. From these varieties, we obtained 94 breeding lines (yellow, 48 lines; black, 25 lines; brown, 21 lines) which have isoflavones content range from 1000 to 6000 ㎍/g. Highest isflavone contents of three different breeding lines was yellow seed coated lines (average isoflavone content, yellow 3,046 ㎍/g, brown 2,935 ㎍/g, black 2,813 ㎍/g).
Differentiation of isoflavones of breeding populations between high and low isoflavones soybean
Byong Won Lee,Myeong Gi Jong,Min Ko,Hyun Tae Kim,Won-Young Han,Sang-Ouk Shin,Hong Tae Yoon,In Youl Baek 한국육종학회 2012 한국육종학회 심포지엄 Vol.2012 No.07
Soybean isoflavones include daidzein, genistein and glycitein with their glycosides, and their malonated derivatives are the main polyphenolic compounds that are helpful for human health. Our research objective was to investigate the differentitation of soybean isoflavones contents of breeding populations between high and low isoflavones contained soybean. Isoflavones contents in soybean are a wide range from 500 to 7000 ㎍/g. In this study, we used Ilmi (Isoflavones content, 3.108 ㎍/g) as male parent and Dajin (Isoflavones content, 578 ㎍/g) as female parent. From these varieties, we got 165 breeding lines which have isoflavones content range from 472 to 2973 ㎍/g. Isflavone contents in breeding lines showed normal distribution.
Hyun-Soo Kim,Jeong Min Lee,Mi-Jin Yim,Jeong Min Shin,Ji Yul Kim,Myeong-Seok Lee,Dae-Sung Lee 한국식품영양과학회 2021 한국식품영양과학회 학술대회발표집 Vol.2021 No.10
The present study is implemented towards developing methods for sustainable use of S. horneri biomass. Methanol extracts of S. horneri China (MSC) strain were investigated in order to isolate their bioactive natural products. Extracts were fractionated by solvent partitioning, high-performance centrifugal partition chromatography (HPCPC), and preparative high-performance liquid chromatography (prep-HPLC). Three norisoprenoids ((-)-loliolde, 3-hydroxy-5,6-epoxy-β-ionone (HEBI), and apo-9’-fucoxanthinone) were isolated from chloroform fractions of MSC, and their structures were elucidated by nuclear magnetic resonance (NMR) spectroscopy. Solvent conditions for the HPCPC separation were optimized as hexane, ethylacetate, methanol, and water in a ratio of 5:5:5:5. The isolated compounds displayed potential anti-inflammatory properties in lipopolysaccharide (LPS)-induced RAW 264.7 macrophages. For the first time, the three compounds reported herein were isolated from S. horneri. With further studies, S. horneri-derived extracts and natural products could be developed as cosmetics and/or functional food materials.