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급성하벽심근경색 환자에서 흉부유도 ST 절하강의 임상적 의의
이성구(Sung Ku Lee),백효종(Hyo Jong Baek),서상문(Sang Moon Suh),천병도(Byung Do Chun),이중기(Choong Ki Lee),김신우(Shin Woo Kim),우언조(Eon Jo Woo),강승완(Seung Wan Kang),채성철(Shung Chull Chae),전재은(Jae Eun Jun),박의현(Wee Hyun P 대한내과학회 1992 대한내과학회지 Vol.43 No.4
The prognostic significance of precordial ST segment depression during early stages of acute inferior myocardial infarction is controversial. To examine this problem, electrocardiographic findings on admission were compared with the clinical variables in 50 patients with a first transmural inferior infarction. Patients were classified according to the admission ECG obtained an average of 7.0hours after the onset of chest pain. Twenty-five patients (group I) had≥1.0mm ST depression in at least one of leads V1 to V6 and 25 (group II) did not. There were no significant differences between the two groups in peak creatinine kinase activity, prevalence of in-hospital complications (i, e., congestive heart failure, hypotension, arrhythmias requiring treatment and death), and maximal ST elevation in inferior lead. A weak correlation existed between the quantities (mV) of inferior ST segment elevation and precordial ST depression (r=0.43, p<0.05). Thus, precordial ST depression during acute inferior infarction is not a reliable marker of the extent of myocardial damage or an adverse hospital course. Precordial ST segment depression might represent a benign electrical phenomenon.
(99m)Tc-MIBI 운동부하 심근관류 SPECT에서 정상소견을 보인 환자의 예후 : 운동부하 심전도와 관동맥 조영소견과의 비교
이상우(Sang Woo Lee),이재태(Jae Tae Lee),천경아(Kyung Ah Chun),강도영(Do Young Kang),김동환(Dong Hwan Kim),조용근(Yong Keun Cho),채성철(Shung Chull Chae),이규보(Kyu Bo Lee) 대한핵의학회 2000 핵의학 분자영상 Vol.34 No.3
N/A Purpose: Myocardial perfusion scintigraphy is a useful technique to diagnose and to predict prognosis in patients with suspected or known coronary artery disease. The purpose of the present study is to evaluate the prognostic value of normal exercise (99m)Tc-MIRI myocardial perfusion single photon emission computed tomography (SPECT) an(l to analyze results with regard to those of exercise. electrocardiography or coronary angiography. Materials and Methods: We evaluated 30) patients (mean age S2±10 years, 166 males and 135 females) with normal exercise (99m)Tc-MIBI myocardial perfusion SPECT performed for suspected coronary artery disease. Subjects were evaluated for cardiac events and followed for 8-55 months (mean 19±10 months) after imaging. Results: During the follow-up period, there was no cardiac death but only one non-fatal myocardial infarction (event rate 0,21%: per year). In addition, only one patient underwent coronary revascularization. There was no significant difference in cardiac event rate between patients with positive (n=27) and negative (n-235) exercise electrocardiography (p:NS), There was no cardiac event in ]7 patients who underwent coronary angiography (4 patients with >50% luminal narrowing, 2 patients with vasospasm and 11 patients with no significant lesion). Conclusion: Patients with normal exercise (99m)Tc-MIBI myocardial perfusion SPECT has a very low risk for cardiac events regardless of exercise electrocardiographic and coronary angiographic findings. (Korean J Nucl Med 2000;34: 199-206)
Flecainide 독성과 관련된 치명적인 심실상빈맥의 1예
천상수 ( Sang Soo Cheon ),송준혁 ( Joon Hyuk Song ),배명환 ( Myung Hwan Bae ),이장훈 ( Jang Hoon Lee ),양동헌 ( Dong Heon Yang ),박헌식 ( Hun Sik Park ),채성철 ( Shung Chull Chae ) 대한내과학회 2014 대한내과학회지 Vol.87 No.1
Flecainide acetate is a potent class Ic anti-arrhythmic drug with a major sodium channel-blocking effect. Flecainide toxicity can cause myocardial impairment and precipitate circulatory collapse, particularly in patients with renal failure. Electrical and hemodynamic deterioration during flecainide toxicity may not respond to conventional treatments. We report the successful management of flecainide toxicity using extracorporeal membrane oxygenation (ECMO), hemoperfusion, and bicarbonate administration maintaining alkalinity. (Korean J Med 2014;87:72-76)
김건엽,감신,이상원,박기수,채성철,천병렬,Kim, Keon-Yeop,Kam, Sin,Lee, Sang-Won,Park, Ki-Soo,Chae, Shung-Chull,Chun, Byung-Yeol 대한예방의학회 2005 예방의학회지 Vol.38 No.1
Objectives : To develop a tool for multidimensional measurement of the quality of life, which was psychometrically sound, short, and easy to administer for patients with hypertension. Methods : A sample of 1,115 hypertensive patients aged 20 or above in Cheong-Song County was studied from June 1997 to October 1998. In the development of the instrumental stage, the authors first conceptualized the quality of life. Item generation, item reduction, and questionnaire formatting were followed. Item-level (item descriptive, missing%, item internal consistency, item discriminant validity) analysis, scale-level (scale descriptive, floor and ceiling effect) analysis, and other tests(Cronbach's alpha, inter-dimension correlations, factor analysis, clinical validity) were performed to evaluate the validity and reliability of the new measurement scale. After 1 year, responsiveness and confirmatory factor analysis were performed. Results : The results of both item-level and scale-level analyses were acceptable. An acceptable degree of internal consistency was observed for each of the dimensions (Cronbach's alpha was 0.60 or higher). Inter-dimension correlations were below 0.50 and the factor analysis result was the same as the intended dimension structure. Correlation coefficients between perceived health status, stress and dimensions were proven to be acceptable. The result of comparing dimensional score means among ADL and MMSE-K groups above 60 years was statistically significant(p<0.05). The result of confirmatory factor analysis concluded that the dimensional structure model was well fitted. However, the result of responsiveness test using sensitivity and specificity was unsatisfactory. Conclusions : The newly developed measurement scale is psychometrically reliable and valid instrument for measuring quality of life in hypertensive patients.
급성 심근경색 환자에서 예후 예측인자로 혈청 감마-글루타밀 트랜스퍼라제가 유용한가?
이장훈 ( Jang Hoon Lee ),채성철 ( Shung Chull Chae ),이현상 ( Hyun Sang Lee ),박용휘 ( Yong Whi Park ),류현민 ( Hyeon Min Ryu ),이순학 ( Soon Hak Lee ),배명환 ( Myung Hwan Bae ),양동헌 ( Dong Heon Yang ),박헌식 ( Hun Sik Park ) 대한내과학회 2007 대한내과학회지 Vol.72 No.3
Background: Serum gamma-glutamyl transferase activity (GGT) is able to catalyse low-density lipoprotein oxidation in coronary atherosclerotic plaques and has a role in the pathogenesis of atherosclerosis. GGT has been shown to be an independent risk factor for cardiac mortality in patients with a previous myocardial infarction. The purpose of this study is to determine the prognostic value of GGT within its normal range at an acute stage in patients with acute myocardial infarction. Methods: In a retrospective study, GGT and other cardiac risk factors were evaluated in 192 patients (M/F=143/49; mean age: 60.8±11.8 years) who were diagnosed with an acute myocardial infarction at the emergency room. We compared the serum GGT values for each patient with or without a cardiac event, including cardiac death, non-fetal myocardial infarction and unstable angina, after an acute myocardial infarction for a mean follow-up of 16.5±10.8 months. Results: During the follow-up period, 17 patients underwent cardiac death and experienced an acute myocardial infarction and 23 patients had unstable angina. Although the mean GGT values were significantly different from patients with cardiac events (29.5±10.0 U/L vs 25.0±11.2 U/L, p=0.024), serum GGT was not an independent cardiac risk factor for a cardiac event based on multivariate analysis adjusted for age, sex, alcohol and known cardiovascular risk factors. Conclusions: Serum GGT within its normal range at an acute stage in patients that experienced an acute myocardial infarction is not an independent prognostic marker. (Korean J Med 72:281-289, 2007)
국내 10개 대학병원의 관동맥질환자의 고콜레스테롤혈증 치료 현황
성지동 ( Ji Dong Sung ),김상현 ( Sang Hyun Kim ),김영대 ( Young Dae Kim ),백상홍 ( Sang Hong Baek ),안영근 ( Young Keun Ahn ),임도선 ( Do Sun Lim ),조홍근 ( Hong Keun Cho ),채성철 ( Shung Chull Chae ),한기훈 ( Ki Hoon Han ),김효수 대한내과학회 2005 대한내과학회지 Vol.69 No.4
Background : Previous studies showed treatment gap phenomenon in the treatment of hyperlipidemia, meaning failure to adhere to the recommendation in the treatment guideline. In Korea, systematic research on this issue has never been done. This investigation was to estimate the hypercholesterolemia treatment gap in coronary artery disease (CAD) patients in tertiary care centers according to NCEP ATP-III guideline. Methods : Ten Korean educational hospital participated in the survey, reviewing medical record of 1,048 patients. Patients were enrolled when they were documented as having coronary artery disease by coronary angiography or stress tests or medical history of myocardial infarction, percutaneous coronary intervention or bypass surgery. Thirty or more medical records per each of 3 or more cardiologists were reviewed in each hospital. Sampling was done sequentially based on outpatient or inpatient list. Pharmacological treatment for hyperlipidemia included the first and last records of prescription. Baseline and the most recent lipid profiles were collected. Results : Findings from the survey was summarized as 10 to 50% rule: 10%: mean LDL-cholesterol reduction without lipid-lowering drug, 20%: LDL-cholesterol level at the treatment goal before any treatment, 30%: mean LDL-cholesterol reduction with lipid-lowering drug treatment, 40%: proportion of CAD patients without lipid-lowering drug, 50%: treatment goal achievement after treatment. Conclusions : Significant treatment gap exists in Korean cardiology practice in tertiary care centers. Systematic approach to reduce this gap is warranted.(Korean J Med 69:371-378, 2005)
정상 남성에서 음주 및 흡연과 혈청 총 콜레스테롤치와의 관계
정의룡(Eui Ryong Cheong),류재근(Jae Kean Ryu),전상중(Sang Joon Jun),채성철(Shung Chull Chae),전재은(Jae Eun Jun),박의현(Wee Hyun Park) 대한내과학회 1996 대한내과학회지 Vol.50 No.4
Objectives : We conducted our study to establish the mean values of total serum cholesterol in healthy Korean male adults and find out the relationship between the cholesterol levels and life styles(eg. smoking and drinking habits). Methods: Eight hundred seventy-nine men involved in a health screening program in May, 1992, in Kyungpook University Hospital, were studied. The total cholesterol levels are determined by enzymatic method. And the life styles of the study groups were examined by answering written questionnaires. Results: The mean value of total cholesterol 189.6±30.6 mg/dl. The total cholesterol levels are higher in the age groups of fourth and fifth decades than in the age groups of second and third decades. The cholesterol levels show the tendency to increase according to age. The cholesterol levels are 189.8±30.7 mg/dl in smokers and 189.0±30.6 mg/dl in nonsmokers. They are not statistically different in either group. But heavy smokers who smoke more than 20 cigarettes per day have higher total cholesterol values than non-smokers. The cholesterol levels are 19431.0 mg/dl in heavy drinkers who drink alcoholic beverages 3-4 times per week and 187.2±31.7 mg/dl in non-drinkers. The group who are both heavy smoker and drinker have significantly higher cholesterol levels than in the group who do not smoke and drink alcoholic beverage. The cholesterol levels in the former and in the latter group are !?0629.0 mg/dl and 18331.2 mg/dl, respectively. Conclusion : The total cholesterol values somewhat related to the age and the life styles such as smoking and alcohol consumption. Generally speaking, the more increased levels of total cholesterol is shown when the person is getting older, the amounts of cigarettes smoked are increased and the frequencies of alcoholic drinks are increased.
Dipyridamole 부하 T1 - 201 심근스캔에서 폐 / 심장 섭취율과 일과성 좌심실 확장율에 관한 연구
이규보(Kyu Bo Lee),이재태(Jae Tae Lee),정병천(Byung Chun Chung),김상현(Sang Hyun Kim),채성철(Sung Chull Chae) 대한핵의학회 1991 핵의학 분자영상 Vol.25 No.2
N/A Dipyridamole thallium imaging is one of the most widely accepted means of evaluating patients with suspected or known coronay artery disease. The results of thallium imaging help diagnose coronary artery disesse (CAD), determine the hemodynamic significance of coronary stenosis, evaluate viability of myocardium, assess the outcome of therapeutic interventions and stratify patients according t.o their risk for futher cardiac events. An increased lung thallium uptake and transient LV dilation has been reported as poor prognostic indicator and associated with extensive and severe coronary artery disease. We quantitated lung/heart uptake ratio (L/HUR) and transient left ventricular dilation ratio in 44 patients and 17 controls undertaking dipyridamole thalliurn-201 scintigraphy. The results are as follows: 1) The lung/heart uptake ratio was high in patients with CAD and which became higher according to increasing number of diseased vessel, The L/HUR of patients with low LVEP (<35%) was lower than those with normal LVEF. 2) Transient left ventricular dilation ratio of CAD patients had no close relation between numbers of diseased vessels and was not highqr than normals. But transient left ventricular dilation ratio of patients with myocardial infartion was higher than normals. We concluded that lung/heart uptake ratio seems to be sensitive marker for severity of CAD and myocardial function, but transient left ventricular dilation ratio alone is not sufficient to be a marker for severe and extensive CAD.
내원시 저혈당이 당뇨병을 동반한 심근경색증 환자의 예후에 미치는 영향
김은정 ( Eun Jung Kim ),정명호 ( Myung Ho Jeong ),정인석 ( In Seok Jeong ),오상기 ( Sang Gi Oh ),김상형 ( Sang Hyung Kim ),안영근 ( Young Keun Ahn ),김주한 ( Ju Han Kim ),김영조 ( Young Jo Kim ),채성철 ( Shung Chull Chae ),홍택종 대한내과학회 2014 대한내과학회지 Vol.87 No.5
Methods: We analyzed 5,249 diabetic patients who enrolled in the Korean Acute Myocardial Infarction Registry from November 2005 to March 2013. The patients were divided into three groups according to their blood glucose level at admission; Group I:hypoglycemia (≤ 70 mg/dL), Group II: normoglycemia (70-140 mg/dL) and Group III: hyperglycemia (≥ 140 mg/dL). We assessed in-hospital mortality and the major adverse cardiac events based on blood glucose levels at admission. Results: The mean age was older in group I at 72.6 ± 11.0 years compared to 71.3 ± 10.7 in group II and 70.3 ± 11.1 in group III (p < 0.006). A total of 344 patients died during hospitalization. In-hospital mortality was higher in group I at 12.9%, compared to 5.2% in group II and 6.8% in group III (p < 0.006). Multivariable logistic regression analysis determined that the independent predictors of 1-month mortality were age, Killip class III-IV, cerebrovascular disease, chronic renal failure, acute renal failure, cardiogenic shock, ventricular tachycardia, ejection fraction < 40% and hypoglycemia in admission. The mortality rate at 1 month was significantly higher in group I compared to group II (odds ratio [OR] 3.571; 95% confidence interval [CI] 1.465-8.705, p = 0.005) compared to group II and group III (OR 4.088; 95% CI 1.757-9.511, p = 0.001). Conclusions: Hypoglycemia on admission was an important predictor of in-hospital and one-month mortality in AMI patients with diabetes mellitus. (Korean J Med 2014;87:565-573)