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백상홍 ( Baeg Sang Hong ),양종목 ( Yang Jong Mog ),정욱성 ( Jeong Ug Seong ),전승석 ( Jeon Seung Seog ),노태호 ( No Tae Ho ),박인수 ( Park In Su ),김재형 ( Kim Jae Hyeong ),최규보 ( Choe Gyu Bo ),홍순조 ( Hong Sun Jo ) 대한내과학회 1992 대한내과학회지 Vol.42 No.4
In this study, the frequency of mechanisms of supraventricular tachycardia (SVT) were evaluated by analyzing the electrophysiologic findings of 26 patients with SVT without preexicitation between November 1987 and August 1990. The induction of tachycardia by programmed electrical stimulation and the determination of mechanism of SVT were performed by baseline electrophysiologic (EP) study in drug free status. The study group included 14 males and 12 females with ages rangiang from 16 to 54 years (mean±SD; 35.6±12.8). All patients had structurally normal heart except the 7 mitral value prolapse. We also compared the clinical findings, surface EKG during tachycardia and EP study findings according to the mechanism of SVT. The results were as follows: 1) In EP study, programmed stimulation induced sustained SVT was 20 of the 26 patients(induction rate 76 %). 2) Atrioventricular reentrant tachycardia (AVRT) using concealed bypass tract was the most common mechanism of SVT (80%), atrioventricular nodal reentrant tachycardia (AVNRT) was the second (15%) and the remainder was increased automaticity of the atrium (5%). 3) The age of the patients and their heart rates during tachycardia were not significantly different among the mechanism of SVT. 4) Functional bundle branch block during reciprocating tachycardia appeared in the AVRT group (4/16 cases). 5) The alternations of QRS during reciprocating tachycardia appeared in the AVRT group (3/16 cases). 6) The relationship between P wave and QRS complex (RP/RR) during tachycardia was useful in differentiating the mechanism of SVT (p<0.05). 7) The ventriculoatrial interval on His-bundle electrogram was more than 70 msec in the AVRT group, whereas this was less than 60 mesc in the AVNRT group. 8) In the AVRT group. P wave morphology and axis in the lead I was useful to determine the site of accessory pathway.
인공 승모판 대치술후 정식도 심초음파도로 발견된 좌심방 혈전의 치험
양종목 ( Yang Jong Mog ),장창훈 ( Jang Chang Hun ),백상홍 ( Baeg Sang Hong ),정욱성 ( Jeong Ug Seong ),전승석 ( Jeon Seung Seog ),최규보 ( Choe Gyu Bo ),홍순조 ( Hong Sun Jo ) 대한내과학회 1992 대한내과학회지 Vol.42 No.4
Thrombi located in the left atrial appendage (=LAA) are frequently not detected with conventional two dimensional echocardiography (=TTE). The transesophageal echocardiographic (TEE) approach readily visualizes left atrial morphology and may be used a s an alternative. We report a case of LAA thrombus detected by TEE but not TTE. The patient was treated with Saint Jude Medical prosthetic valve (31 mm) for severe mitral stenosis and moderate mitral regurgitation. Thereafter LAA thrombus was detected by TEE. Intravenous urokinase was used. But right distal popliteal arterial obstruction was developed during intravenous urokinase infusion. Intraarterial urokinase was used. LAA thrombus was disappeared, and right distal popliteal arterial obstruction was partially lysed. The results were as follows: 1) Left atrial thrombi, which was not visualized by TTE, were detected by TEE. 2) Urokinase was useful for newly formed thrombus.
흰쥐의 실험적 심근경색증에서 Captopril 및 Propranolol의 장기간 투여가 좌심실 형태학적 변형에 미치는 효과
김철민 ( Kim Cheol Min ),정욱성 ( Jeong Ug Seong ),백상홍 ( Baeg Sang Hong ),전승석 ( Jeon Seung Seog ),김종상 ( Kim Jong Sang ),김재형 ( Kim Jae Hyeong ),최규보 ( Choe Gyu Bo ),홍순조 ( Hong Sun Jo ) 대한내과학회 1992 대한내과학회지 Vol.42 No.6
To determine the effects of long-term therapy with captopril or propranolol on left ventricular remodeling, we studied 101 Sprague-Dawley rats with experimental myocardial infarction. The animals were randomized to recieve captopril (2000 ㎎/L) or propranolol (750 ㎎/L) in their drinking water, or water alone for 42 days. Cross sections of the left ventricle were prepared for morphometric measurements of infarct size, infarct expension rate, left ventricular radius, and septal thickeness. The results were as follows: 1) In untreated rats with experimental myocardial infarction, left ventricular remodeling was revealed (total water group). The left ventricular radius (3.1+0.4㎜) and infarct expantion rate (37.8+6.4%) was larger than those of the sham operated rats (p<0.005, p<0.01). 2) The septal thickness of the total captopril group (1.58+0.20㎜) was smaller than that of the total water group (1.89±0.35㎜)(p<0.05), and the septal thickness of the captopril group with moderate myocardial infarction (1.62±0.13 ㎜) was also smaller than that of the propranolol group with moderate myocardial infarction (1.84±0.13 ㎜)(p<0.05). The left ventricular radius of the captopril group with moderate myocardial infarction (2.6k0.3 mm) was smaller than that of the propranolol group (3.0±0.3 ㎜)(p < 0.05). 3) There was no significant difference in the septal thickness between the total propranolol group and total water group. The left ventricular radius of total pro-pranolol group was smaller than that of water group insignificantly. It was concluded that long-term therapy of captopril had effects in rats with infarct, resulting in significant blunting of left ventricular dilation and septal hypertrophy, and long-term therapy of propranolol had effects, resulting in blunting of left ventricular dilation but no decreasing of septa1 hypertrophy.
악성 임파종 환자에서 폐, 뇌 및 갑상선을 침습한 Aspergillus 감염
김종률 ( Kim Jong Lyul ),정현 ( Jeong Hyeon ),정일건 ( Jeong Il Geon ),윤선애 ( Yun Seon Ae ),진종률 ( Jin Jong Lyul ),백상홍 ( Baeg Sang Hong ),박준철 ( Park Jun Cheol ),박석영 ( Park Seog Yeong ),김현 ( Kim Hyeon ),이경진 ( Le 대한내과학회 1993 대한내과학회지 Vol.44 No.1
The invasive fungal infections are frequent in patients with neoplastic disease and result in a significant morbidity and mortality. In the last decade, the progress in antineoplastic chemotherapy and the more aggressive approach in the treatment of cancer patients gave rise to increase the number of patients predisposed to invasive fungal infections. With a brief reveiw of literature, we report one case of invasive aspergillosis involving lung, brain and thyroid gland, which was diagnosed by stereotaxic aspiration of brain and needle aspiration of thyroid gland in 21-year-old male patient who had taken the chemotherapeutic agents for the treatment of relapsed malignant lymphoma.