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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.
Durability of viral response after off-treatment in HBeAg positive chronic hepatitis B.
Song, Myeong Jun,Song, Do Seon,Kim, Hee Yeon,Yoo, Sun Hong,Bae, Si Hyun,Choi, Jong Young,Yoon, Seung Kew,Paik, Yong-Han,Lee, June Sung,Lee, Hyun Woong,Kim, Hyung Joon WJG Press 2012 WORLD JOURNAL OF GASTROENTEROLOGY Vol.18 No.43
<P>To evaluate the durability in hepatitis B e antigen (HBeAg) positive chronic hepatitis B patients who discontinued antiviral treatment.</P>
( Myeong Jun Song ),( Si Hyun Bae ),( Sung Won Lee ),( Do Seon Song ),( Young June Lee ),( Ho Jong Chun ),( Jong Young Choi ),( Seung Kew Yoon ),( Nam Ik Han ),( Sang Wook Choi ),( Young Sok Lee ),( C 대한간학회 2013 춘·추계 학술대회 (KASL) Vol.2013 No.1
Background: The purpose of this study was to evaluate the recurrence of hepatocellular carcinoma and the survival rate of patients who received radiofrequency ablation (RFA) after transarterial chemoembolization (TACE) with that of patients treated with TACE or RFA alone. Methods: Two-hundred and one patients with HCC were consecutively enrolled at Seoul St. Mary`s hospital between Dec, 2004 and Feb, 2010. Inclusion criteria were a single HCC≤5.0 cm or up to three HCCs≤3.0 cm, with no vascular invasion or extrahepatic metastasis. In all, HCC patients (n=87) who had undergone RFA after TACE and those who received TACE (n=71) or RFA only (n=43) were analyzed. Propensity scores were generated to select from each arm of the study. Results: Median follow-up periods were 33.3 months (6.8-80.9 months). The recurrence rates at 1, 3, and 5 years in the TACE+RFA and RFA groups were similar (6, 33, and 54%; and 10, 31, and 48% respectively); however, those in the TACE group were higher (17, 58, and 78%, respectively). In the TACE+RFA group, the local recurrence rates were significantly lower compared with the RFA group (P=0.034). The overall survival rates at 1, 3, and 5 years in the TACE+RFA group (98, 95, and 90%, respectively) were superior to those in the TACE or RFA groups (98, 90, and 83%; 94, 84, and 71%; P=0.064, 0.011, respectively). In a multivariate analysis of overall survival using a Cox regression model, combination treatment was a significant independent factor for survival compared to RFA and TACE monotherapy (HR, 0.371; 95% CI, 0.141-0.973; P=0.0371, HR, 0.476; 95% CI, 0.230-0.986; P=0.046, respectively) Conclusion: The combination of TACE and RFA is an effective treatment for early-stage HCC and results in lower local recurrence and better overall survival rates than those achieved by RFA or TACE alone.
Radon exposure assessment for underground workers: a case of Seoul Subway Police officers in Korea.
Song, Myeong Han,Chang, Byung-Uck,Kim, Yongjae,Cho, Kun-Woo Nuclear Technology Pub 2011 Radiation protection dosimetry Vol.147 No.3
<P>The objective of this study is the systematic and individual assessment of the annual effective dose due to inhaled radon for the Seoul Subway Police officers, Korea. The annual average radon concentrations were found to be in the range of 18.9-114 Bqm(-3) in their workplaces. The total annual effective doses which may likely to be received on duty were assessed to be in the range of 0.41-1.64 mSvy(-1). These were well below the recommended action level 10 mSvy(-1) by ICRP. However, the effective doses were higher than subway station staff in Seoul, Korea.</P>
Song, Myeong-Han,Chang, Byung-Uck,Kim, Yong-Jae,Lee, Hwa-Yong,Heo, Dong-Hey The Korean Association for Radiation Protection 2010 방사선방어학회지 Vol.35 No.4
The effective dose of the Seoul subway staffs due to inhaled radon ($^{222}Rn$) in their workplace was investigated depended on radon concentration exposed at each workplace, and working hours and working types of the staffs. Annual average radon concentrations ranged from 16.5 to 93.0 $Bq{\cdot}m^{-3}$. The staffs commonly spend 2,304 hours in the underground spaces a year. With the radon concentrations and the working hours of the staffs, estimated annual effective doses ranged from 0.23 to 0.73 $mSv{\cdot}y^{-1}$.
[PE-0055] Analysis of Tannin Content from Sorghum by UV Spectrophotometer and HPLC
Yeon Ju An(Yeon Ju An),Byong Won Lee(Byong Won Lee),Ji Young Kim(Ji Young Kim),Myeong Eun Choe(Myeong Eun Choe),Ji Ho Chu(Ji Ho Chu),Seok Bo Song(Seok Bo Song),Sang Ik Han(Sang Ik Han) 한국육종학회 2022 한국육종학회 공동학술발표집 Vol.2022 No.-
Han, Nayoung,Han, Seung Hee,Song, Yun-Kyoung,Kim, Myeong Gyu,Kim, Yon Su,Kim, In-Wha,Oh, Jung Mi DOVE MEDICAL PRESS 2017 THERAPEUTICS AND CLINICAL RISK MANAGEMENT Vol.13 No.-
<P><B>Background</B></P><P>Lipid abnormalities are prevalent in tacrolimus-treated patients. The aim of the study was to evaluate the preventive effects of statin therapy on major adverse cardiovascular events (MACE) in patients treated with tacrolimus-based immunosuppression after kidney transplantation (KT), and to identify the risk factors.</P><P><B>Methods</B></P><P>This observational cohort study included adult patients who underwent KT and were treated with tacrolimus. Patients who received any lipid-lowering agents except statins, or had a history of immunosuppressant use before transplantation were excluded. The primary outcome was the adjusted risk of the first occurrence of MACE. The secondary outcomes included the risk of individual cardiovascular disease (CVD) and changes in cholesterol level. Subgroup analyses were performed in the statin-user group according to the dosage and/or type of statin.</P><P><B>Results</B></P><P>Compared with the control group (n=73), the statin-users (n=92) had a significantly reduced risk of MACE (adjusted HR, 0.31; 95% CI, 0.13–0.74). In the Cox regression analysis, old age, history of CVD, and comorbid hypertension were identified as independent factors associated with increased MACE. The total cholesterol levels were not significantly different between the two groups. Subjects with higher cumulative defined daily dose of statins had significantly lower risks of MACE.</P><P><B>Conclusion</B></P><P>Statin therapy in patients treated with tacrolimus after KT significantly lowered the risk of MACE. Long-term statin therapy is clearly indicated in older kidney transplant recipients for secondary prevention.</P>