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안성균,탁승재,최정현,유상용,정진국,최병주,최태영,최소연,윤명호,황교승,신준한 대한심장학회 2005 Korean Circulation Journal Vol.35 No.3
Spontaneous coronary artery dissection (SCAD) is an uncommon cause of acute myocardial ischemia, which frequently presents as sudden death. The pathophysiology and treatment of SCAD have not been fully determined. Herein, a case of SCAD, manifesting as variant angina, which rapidly progressed during an ergonovine test, in which 3 drug-eluting stents were deployed using intravascular an ultrasound guidance, with an excellent imediate result, is reported.
XiongJie Jin,윤명호,서경우,탁승재,임홍석,양형모,최병주,최소연,황교승,신준한,박진선 대한심장학회 2015 Korean Circulation Journal Vol.45 No.3
Background and Objectives: Microvascular function is a useful predictor of left ventricular functional changes in patients with ST-segment elevation myocardial infarction (STEMI). We evaluated the usefulness of the hyperemic microvascular resistance index (hMVRI) for predicting long-term major adverse cardiovascular events (MACEs) in patients with STEMI assessed immediately after primary percutaneous coronary intervention (PCI). Subjects and Methods: hMVRI were evaluated in 145 patients with first acute STEMI treated with primary PCI using an intracoronary Doppler wire. hMVRI was defined as the ratio of mean aortic pressure over hyperemic averaged peak velocity of infarct-related artery. Major adverse cardiovascular events (MACEs) included cardiac death and re-hospitalization for congestive heart failure. Results: During the mean follow-up of 85±43 months, MACEs occurred in 17.2% of patients. Using a receiver-operating characteristics analysis, hMVRI >2.82 mm Hg·cm-1·sec (sensitivity: 87%; specificity: 69%; and area under curve: 0.818) was the best cut-off values for predicting future cardiac events. The Cox proportional hazard analysis showed that hMVRI was an independent predictor for long-term MACEs (hazard ratio 1.741, 95% confidence interval 1.348-2.264, p<0.001). The Kaplan-Meier survival analysis showed a higher incidence of MACEs in patients with hMVRI >2.82 mm Hg·cm-1·sec (p<0.001). Conclusion: hMVRI was a strong predictor of long-term MACEs in patients with STEMI treated with primary PCI.
Lupus Myocarditis Presenting as Acute Congestive Heart Failure: A Case Report
우성일,황교승,강수진,박진선,박세준,이윤석,이유홍,탁승재 대한의학회 2009 Journal of Korean medical science Vol.24 No.1
A young woman who had a delivery history 3 months previously presented with dyspnea and orthopnea. Initial findings of physical examination, chest radiography, and echocardiogram showed typical congestive heart failure with severe left ventricular (LV) dysfunction. At first, we considered peripartum cardiomyopathy because she had given birth to a baby 3 months previously. However, even though we massively tried conventional drug therapy for 10 days, the patient still remained with refractory heart failure. We performed additional laboratory studies such as complement level and autoantibodies, of which the results supported systemic lupus erythematosus. We could make the diagnosis of acute lupus myocarditis and treated her with corticosteroid. The symptoms were dramatically disappeared and LV function also improved.
말기성 만성신부전증 환자에서 혈액투석 전후의 좌심실기능 변화에 관한 관찰
김상애,한대석,이호영,박금수,이웅구,양주영,심원흠,탁승재 대한신장학회 1984 Kidney Research and Clinical Practice Vol.3 No.1
To investigate acute effects of hemodialysis on the left ventricular function of dialysis patients, echocardlographic studies were performed in 28 patients undergoing maintenance hemodialysia be- fore and immediately after standard dialyais using acetate-buffered dialysia solution. In 18 patients with intradialytic weight loss gr- eater than l. 5 kg, end disstolic volume(EDV) de- creased from I35 to 116 ml(p$lt;0. 05) and end syst- olic volume(ESV) decreased from 49 to 39 ml(p$lt; 0.05) without a change in stroke volume(SV). Ej- ection fraction changed little from 63 to 65% while meanvelocity of circumferential fiber shorte- ning(VCF) increased significantly from 1, 12 to 1. 42 circ/sec(p$lt;0. 05). In contrast to the maneuvers in which larger weight loss occurred, hemodialysis without large weight loss(less than 1.0kg) induced no signific- ant changes in both EDV and ESV. Ejection fract- ion and stroke volume changed little. However, mean VCF increased from 1.03 to 1.35circ/sec after dialysis. Serum electrolytes, total caleium concentration and bicarbonate concentration changed significantly in both patient groupa. It is concluded that the main effects of dialysis are on cardiac pump function and removal of ure- mic toxins produce acute increase of left ventricu- lar contractility regardless of cardiac filling volu- me changes. Roles of serum calcium and bicarbonate concen- tration changes are discussed.
양형모,서경우,윤정한,김효수,장기육,임홍석,최병주,최소연,윤명호,이승환,안성균,윤영진,이준원,구본권,박경우,양한모,한정규,승기배,정욱성,김범준,고윤석,박훈준,탁승재 대한심장학회 2017 Korean Circulation Journal Vol.47 No.6
Background and Objectives: This trial evaluated the safety and efficacy of the Genoss drug-eluting coronary stent. Methods: This study was a prospective, multicenter, randomized trial with a 1:1 ratio of Genoss drug-eluting stent (DES)™ and Promus Element™. Inclusion criteria were the presence of stable angina, unstable angina, or silent ischemia. Angiographic inclusion criteria were de novo coronary stenotic lesion with diameter stenosis >50%, reference vessel diameter of 2.5–4.0 mm, and lesion length ≤40 mm. The primary endpoint was in-stent late lumen loss at 9-month quantitative coronary angiography follow-up. Secondary endpoints were in-segment late lumen loss, binary restenosis rate, death, myocardial infarction (MI), target lesion revascularization (TLR), target vessel revascularization (TVR), and stent thrombosis during 9 months of follow-up. Results: We enrolled 38 patients for the Genoss DES™ group and 39 patients for the Promus Element™ group. In-stent late lumen loss at 9 months was not significantly different between the 2 groups (0.11±0.25 vs. 0.16±0.43 mm, p=0.567). There was no MI or stent thrombosis in either group. The rates of death (2.6% vs. 0%, p=0.494), TLR (2.6% vs. 2.6%, p=1.000), and TVR (7.9% vs. 2.6%, p=0.358) at 9 months were not significantly different. Conclusion: This first-in-patient study of the Genoss DES™ stent showed excellent angiographic outcomes for in-stent late lumen loss and major adverse cardiac events over a 9-month follow-up.
박승정(Seung Jung Park),심원흠(Won Heum Shim),조승연(Seung Yun Cho),이웅구(Woong Ky Lee),김성순(Sung Soon Kim),탁승재(Seung Jea Tahk),백경권(Kyung Kwon Paik),정익모(Ik Mo Chung) 대한내과학회 1988 대한내과학회지 Vol.35 No.1
N/A Percutaneous mitral balloon valvuloplasty (PMV) using the double-balloon technique was performed in 28 symptomatic patients with mitral stenosis who were candidates for mitral valve commissurotomy. There were 21 women and 7 men with a mean age 38±10 years (range 23 to 57). PMV in 28 patients with moderate to severe mitral stenosis (including 3 with a fluoroscopic calcified valve) resulted in an increase mitral valve area (0.9±0.2 to 2.2±0,7cm, p<0.0001) by Gorlin`s formula, and a decrease in mean diastolic mitral pressure gradient (16.8±5.7 to 6.1±3.9mmHg, p<0.0001), and mean left atrial pressure (23.6±6.7 to 11.7±5.8mmHg, p<0. 0001). And also cardiac output increased (4.8±1.0 to 5. 8±1.5L/min, p<0.005) and mean pulmonary artery pressure decreased (32±12 to 24±9mmHg, p<0.05). Mitral regurgitation developed or increased in severity after PMV in 15 (53.6%) patients, grade 3mitral regurgitation in 2 and no mitral regurgitation in 12 patients. Oxymetric studies performed immediately after PMV demonstrated a small left-to-right shunt (pulmonary-to-systemic blood flow ratios>1.5) through the interatrial communication in 4 patients. Follow up echocardiography showed improvement in mitral valve area by 2-D and Doppler pressure half-time (0.9±0.2 to 1.8±0.5 and 0.8±0.2 to 1.7±0.4 cm, p<0.0001), increase of mitral EF slope (13±7 to 37±17mm/ sec, p<0.0001) and decrease peak E mitral velocity (209±32 to 142±32cm/sec, p<0.0001). Transient cerebral embolic phenomenon just after PMV was observed in 1 patient and cerebral embolic infarction with hemorrhage requiring surgery developed in 1 patient. PMV using the double-balloon technique is safe and effective procedure to relieve mitral valve obstruction and could be an alternative to surgical mitral commissurotomy in selected patients with mitral stenosis.