Journal of Yeungnam Medical Science

Dong Gu Sin

8 Articles

Primary Cardiac Lymphoma: Case Report.: Jun Ho Bae, Jong Suk Lee, Hyung Jun Kim, Min Kyung Kim, Young Ho Park, Gue Ru Hong, Jong Sun Park, Dong Gu Sin, Young Jo Kim, Bong Sup Sim; Yeungnam Univ J Med. 2000;17(1):82-86. Published online June 30, 2000; DOI: https://doi.org/10.12701/yujm.2000.17.1.82

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Abstract PDF: Primary cardiac lymphoma defined as involving only the heart and pericardium, is very rare and is diagnosed predominantly late in the course of illness or autopsy. This tumor is commonly fatal and until recently were rarely diagnosed antemortem. Recently, it was reported in patients with acquired immunodeficiency syndrome. We report a case of primary cardiac lymphoma in a 56 year old female who showed progressive exertional dyspnea. On echocardiogram and CT scan, large ill defined mass was demonstrated in right atrial and ventricular wall. It was diagnosed as B-cell type lymphoma on open cardiac biopsy.

The Predictors of Cerebral infarction in Mitral Stenosis.: Hyung Jun Kim, Woong Kim, Jong suk Lee, Gue Ru Hong, Jong Seon Park, Dong Gu Sin, Young Jo Kim, Bong Sup Shim; Yeungnam Univ J Med. 2000;17(1):75-81. Published online June 30, 2000; DOI: https://doi.org/10.12701/yujm.2000.17.1.75

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Abstract PDF: BACKGROUND
Systemic embolism especially, cerebral infarction is one of the most important complications in patients with mitral stenosis. The authors analyse the some that could predict the development of cerebral infarction in cases of mitral stenosis and propose preventive therapeutic measures. METHODS: Retrospective study of 127 patients with rheumatic mitral stenosis was performed by analysis their medical records for transthoracic(TTE) or transesophageal echocardiography(TEE) over a 12months period. The patients were divided into two groups according to the presence (Group I: n=26, age: 55+/-13 years) or absence (Group II: n=101, age: 48.5+/-13 years) of cerebral infarction. No significant difference was observed between the two groups with respect to sex and functional class. RESULTS: Patients of group I were older (55.0+/-13 vs 48.5+/-13;p<0.05), had more dilated left atrial size(5.10+/-0.48 vs 4.81+/-0.70;p<0.05) and smaller mitral surface area(1.01+/-0.39 vs 1.21+/-0.45;p<0.05). In Group I, the incidence of atrial fibrillation(22 out of 26 vs 57 out of 101;p<0.05) and spontaneous left intra-atrial contrast phenomenon(22 out of 26 vs 44 out of 101;p<0.05) was more frequently observed. On multivariate analysis, atrial fibrillation and anticoagulant therapy were the independent predictive factors. CONCLUSION: Age, left atrial dilatation, the severity of mitral stenosis, the presence of spontaneous contrast and especially the presence of atrial fibrillation are the main predictive factors of the development of cerebral infarction in mitral stenosis. Patients presenting one or several of these factors may benefit from prophylactic anticoagulant treatment.

The Effect of Early IABP and Reperfusion therapy in Patient of Post MI Cardiogenic shock.: Jong Suk Lee, Min Kyeung Kim, Woong Kim, Hyung Jun Kim, Jun Ho Bae, Jong Seon Park, Dong Gu Sin, Young Jo Kim, Bong Sup Shim; Yeungnam Univ J Med. 2000;17(1):31-38. Published online June 30, 2000; DOI: https://doi.org/10.12701/yujm.2000.17.1.31

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Abstract PDF: BACKGROUND
We sought to examine the use and outcomes with early intraaortic balloon couterpulsation(IABP) combined early reperfusion therapy in patients presenting with cardiogenic shock complicating acute myocardial infarction. The use of IABP in patients with cardiogenic shock is widely accepted. however, there is a paucity of information on the use of this technique in patients with cardiogenic shock who are treated with reperfusion therapy in Korea. MATERIALS AND METHODS: Twenty-eight Patients presented with cardiogenic shock were classified into two groups: the early IABP group (insertion within 12 hours after AMI onset time) and late IABP group (insertion after 12 hours). We compared In-hospital mortality in two group (early IABP group vs late IABP group). RESULTS: Two groups show no significant difference at clinical feature and coronary angiographic results. Among total 28 patients, 7 patients were treated with thrombolytic therapy and 21 patients with PTCA. Insertion site bleeding, fever, thrombocytopenia were reported as some of the complications of IABP insertion. In-hospital mortality of early IABP group and late IABP group were 4 patients(25%) and 8 patients(66%), respectively(p<0.05). Early IABP insertion and early PTCA showed lower hospital mortality rates. There was significant difference in the time to PTCA after AMI onset between the to groups(p<0.05). CONCLUSION: IABP appears to be useful in patients presenting with cardiogenic shock unresponsive medical therapy. Early IABP insertion and early Reperfusion therapy may reduce In-hospital mortality rates in PostMI Cardiogenic shock patients.

Dual-Isotope SPECT Imaging with Thallium-201 and Technetium-99m MIBI in Detecting Coronary Artery Disease.: Gyu Gwang Lee, Ihn Ho Cho, Hyoung Woo Lee, Jong Sun Park, Kyu Chang Won, Dong Gu Sin, Young Jo Kim, Bong Sup Shim; Yeungnam Univ J Med. 1999;16(1):101-107. Published online June 30, 1999; DOI: https://doi.org/10.12701/yujm.1999.16.1.101

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Abstract PDF: We evaluated the results of sequential SPECT dual-isotope imaging with Tl-201 and Tc-99m MIBI in 24 patients, all of whom also had coronary angiography within the past one month. Coronary angiography showed that 12 patients had no CAD, 4 patients had one-vessel CAD, 7 patients had two-vessel CAD and 1 patient had three-vessel CAD. Serial studies of resting Tl-201 and dipyridamole stress Tc-99m MIBI were completed within 2 hours. When more then 50% of coronary artery narrowing was considered significant. The overall sensitivity and specification of CAD detection were 91.7%. The sensitivity of CAD detection in patients with one-vessel and multi-vessel diseases was 75% and 100%, respectively. Therefore, sequential dual-isotope SPECT demonstrated high sensitivity and specificity of CAD detection. In conclusion, sequential dual-isotope imaging is feasible and can be completed in a short time and may therefore enhance laboratory throughput and patient convenience.

Prevalene of Secondary Hypertension in Yeungnam University Hospital.: Jun Young Kweon, Kyo Won Choi, Dong Gu Sin, Hyoung Woo Lee, Kyeung Woo Yu, Young Jo Kim, Bong Sup Shim, Hyun Woo Lee; Yeungnam Univ J Med. 1994;11(1):109-114. Published online June 30, 1994; DOI: https://doi.org/10.12701/yujm.1994.11.1.109

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Abstract PDF: We studied the incidence and results of treatment of secondary hypertension in Yeungnam University Hospital. Nineteen hundred fifty patients with hypertension were included from march 1990 to march 1994. We analysed the prevalence of secondary hypertension and results of treatment. The incidence of secondary hypertension in Yeungnam University Hospital was six percent. The most common underlying causes of secondary hypertension was renal parenchymal disease. Patients with three forms of potentially reversible secondary hypertension, namely, renovascular hypertension, endocrine disease, exogenous hormone, were assed to determine whether surgery or withdrawal of the exogenous hormane had led to an improvement in blood pressure control. The incidence of secondary hypertension in Yeungnam University Hospital was low(6%), but some of these are curable. Thus it is very inportant that evaluate the secondary hypertension.

An aortic dissection in pregnant woman - a case report -.: Hyeong Min Lee, Eun Pyo Hong, Dong Hyup Lee, Jung Cheul Lee, Sung Sae Han, Dong Gu Sin, Young Jo Kim, Bong Sup Shim; Yeungnam Univ J Med. 1993;10(1):253-259. Published online June 30, 1993; DOI: https://doi.org/10.12701/yujm.1993.10.1.253

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Abstract PDF

We have experienced a case of aortic dissecting aneurysm in pregnant woman. She felt initially severe chest pain which was radiated to the neck on the 3days before delivery. Thereafter dyspnea and generalized edema were developed for 1 month after delivery. She was diagnosed as aortic dissectLn, Debakey type-II. During cardiopulmonary bypass, the selective cerebral perfusion was done through the right and left commom carotid arteries. Aortic replacement with Hemashield vascular graft and reimplantation of innominate artery, resuspension of aortic valve, repair of intimal tear were performed. The postoperative course was uneventful.

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A Case of Ascending Aortic Dissection with Severe Aortic Regurgitation Diagnosed by Echocardiography
Sung-Hee Kim, Ok-Kyoung Lee
The Korean Journal of Clinical Laboratory Science.2020; 52(4): 425. CrossRef

A case of free-floating left atrial ball thrombus in mitral stenosis.: Young Jin Kim, Tea Il Lee, Kyo Won Choi, Seung Ho Kang, Dong Gu Sin, Young Jo Kim, Bong Sup Shim, Hyun Woo Lee, Eun Pyo Hong; Yeungnam Univ J Med. 1993;10(1):237-244. Published online June 30, 1993; DOI: https://doi.org/10.12701/yujm.1993.10.1.237

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Abstract PDF: A free-floating ball thrombus in the left atrium is a rare complication of the mitral valvular disease. A 53-year-old man was admitted for pain and paresthesia on both legs. On admission he had auscultatory sign of mitral stenosis and mitral regurgitation, and the roentgenogram of his chest revealed a slight pulmonary ve..ous congestion, enlargement of the pulmonary conus and cardiomegaly. Laboratory findings including complete blood counts, coagulation studies and blood chemistry were normal. An echocardiographic examination revealed a mitral stenosis and a free-floating ball thrombus in the left atrium. We performed the emergent open heart surgery for removal of the ball thrombus and mitral replacement successfuly with Duromedics 29 mm valve. The size of thrombus was 39 X 32 X 30 mm.

Comparision of signal - averaged electrocardiography (SAECG) determined by flank lead system (FLS) and pyramidal lead system (PLS) in healthy young adults.: Byeong Ik Jang, Seung Ho Kang, Hyeung Il Kim, Dong Gu Sin, Young Jo Kim, Bong Sup Shim, Hyun Woo Lee; Yeungnam Univ J Med. 1993;10(1):179-189. Published online June 30, 1993; DOI: https://doi.org/10.12701/yujm.1993.10.1.179

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Abstract PDF: It has recently become possible to record electrical activity originationg from abnormally conducting myocardium from the body surface with high-gain amplification and averaging technique. These signals, which result from delayed ventricular activation(late potentials), have been recorded in patients with documented ventricular tachyarrythmia. Several electrode lead system for detecting ventricular late potential were introduced. Pyramidal electrode lead system(PLS) is useful. Also interpretation of SAECG in the young could be of value in detecting those at risk for episodic ventricular tachycardia, but suffer from a lack of data in normal young people. There was no difference between normal values, determined by FLS and PLS at high pass filtering of 25 Hz and 80 Hz, but significant, difference was found in HFLAD and RMS-40 of 40 Hz (p<0.05). These results will provide a basis for interpretations of SAECG, determined by FLS and PLS in healthy young adults with normal QRS duration. SELECTION OF SUBJECTS: For this study, normal healthy young adult volunteers (age : mean 24 years) were recruited from the medical students at Yeungnam University Hospital, Internal Medicine. Twenty fourths male and seventeenths female subjects were selected. All subjects had normal resting ECGs as judged from both the standard 12 channel lead and echocardiography, and none had a history of cardiovascular disease. All subjects were considered to be in good general physical condition. SIGNAL-AVERAGED ELECTROCARDIOGRAPHY: In order to obtain low noise recordings with a small number of averaging cycles, all subject ware asked to relax completely in the supine position. Silver/silver chloride electrodes were attached after the skin was cleaned with alcohol, to constitute classic flank lead system(FLS) and pyramidal lead system(PLS). Signals were recorded and processed using a commercially available microprocessor-augmented ECG cart(Marquette Electronics, USA) suitable for portable bedside recording.

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