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연속파 Doppler 심초음파 검사에 의한 대동맥 및 폐동맥 혈류량의 측정
주인종(In Jong Joo),김은식(Eun Sik Kim),이문철(Moon Chul Lee),김수경(Soo Kyung Kim),유병희(Byung Hee Yu),이홍순(Hong Soon Lee),이학중(Hak Choong Lee) 대한내과학회 1987 대한내과학회지 Vol.32 No.5
N/A To measure aortic and pulmonary flow, Continuous-Wave Doppler echocardiography was performed in 30 patients who admit to N.M.C, from Mar., 1986 to Sept., 1986. We compared the measurements of aortic and pulmonary flow by CW Doppler echocardiography with those by Fick method of cardiac catheterization to evaluate the accuracy of the measurements by CW Doppler echocardiography. The results were as follows; l) Aortic and pulmonary flow measured by two methods showed a significant correlation of 0.44 (P<0.025) in aortic flow and 0.72 (P<0.005) in pulmonary flow, respectively. 2) Aortic and pulmonary flow measured by CW Doppler echocardiography showed a more significant correlation in the patients with regular heart beat and CI of above 2,2 L/min/m² than in the patients with irregular heart beat and CI of below 2.2 L/min/m² 3) Therefore, a simple & nonivasive Doppler echocardiography was considered as a effective method for measurement of aortic and pulmonary flow.
조명찬,주인종,김대중,이병직,정형배,이명묵,박영배,최윤식,서정돈,이영우 대한내과학회 1990 대한내과학회지 Vol.38 No.3
We reviewed 549 electrocardiograms obtained from 95 patients with Korean hemorrhagic fever to investigate the incidence and electrocardiographic characteristics, observe evolutional changes in those findings during the course of illness, identify the correlations with clinical findings, and then suggest pathophysiologic mechanisms in the development of abnormal electrocardiographic findings. The overall incidence of electrocardiographic abnormalites was 95.7%, and the frequency of each phase was 87.8% in the febrile phase, 91.3% in the hypotensive phase, 86.5% in the oliguric phase, 76.4% in the diuretic phase and 43.0% in the convalescent phase. The cardinal electrocardiographic findings were QT prolongation(82.1%), sinus bradycardia(73.7%), prominent U wave(53.7%), tall and peaked T wave(51.6%), ST-T changes(41.1 %) and sinus tachycardia(35.8%). The most frequently observed electrocardiographic findings of each phase were sinus tachycardia in the febrile and hypotensive phase, QT prolongation in the oliguric phase, sinus bradycardia in the diuretic phase and prominent U wave in the convalescent phase. The occurrence of abnormal electrocardiograms increased in patients with high serum creatinine levels during the oliguric and diuretic phases. The electrocardiographic abnormalities that persisted to the convalescent phase were QT prologation(seven cases), prominent U wave(seven cases), sinus bradycardia(five cases), and tall and peaked T wave(four cases). Even though almost all of the electrocardiographic abnormalities were mild and recovered shortly after the convalescent phase and there were no diagnostic electrocardiograms, we observed noteworthy electrocardiographic characteristics and evolutional changes during the course of illness and suggested the primary electrocardiographic changes in Korean hemorrhagic fever.
유병희,이홍순,이학중,이문철,허달영,지용광,주인종 대한내과학회 1986 대한내과학회지 Vol.31 No.2
Therapy of pulmonary hypertension is limited by the low potency and adverse effects of current pulmonary vasodilators. The hemodynamic effects of nitroglycerin in human pulmonary hypertension are not clear. But some reported that nitroglycerin produced pulmonary venodilation at doses that do not affect the systemic arterial vasculature, so it may not decrease systemic arterial pressure, We administered nitroglycerin to 14 patients with chronic pulmonary hypertension. Nitroglycerin decreased mean pulmonary arterial pressure by 19%, pulmonary vascular resistance by 25% and systemic arterial pressure by 11%, but did not affect heart rate, cardiac out- put, pulmonary capillary wedge pressure and arterial oxygen tension. Among these patients, nitroglycerin was more effective in patients with moderate pulmonary hypertension(mean pulmonary arterial pressure: 30~49 mmHg) and there were no side effects during this study procedure. We conclude that therapy with nitroglycerin can be effective in patient with pulmonary hypertension, especially in those with moderate degree of pulmonary hypertension.
심 Doppler 와 심도자술에 의한 폐동맥압 및 혈류량 측정 비교
김은식(Eun Sik Kim),이학중(Hak Choong Lee),이홍순(Hong Soon Lee),김종연(Jong Yeun Kim),최덕주(Duck Joo Choi),위상오(Sang Oh Wee),주인종(In Jong Joo) 대한내과학회 1987 대한내과학회지 Vol.33 No.3
N/A A Non-invasive measurement of pulmonary artery pressure and Qp/Qs by continuous-wave Doppler echocardiography was performed on 35 patients with various heart diseases, who had undergone cardiac catheterization, between October 1985 and August 1986 for patients admitted to National Medical Center, and there was intimate correlation between the data of Doppler measurements and modified Picks measurements of pulmonary artery pressure and Qp/Qs. The results were as follows: 1) Pulmonary artery pressure measured by the two methods showed a significantly good correlationship, r=86 and p<005. 2) Twenty one patients had systolic PA pressure less than 25 mmHg and 12 had more than 25 mmHg. Doppler measurement & hemodynamic measurement showed good correlation in both of these groups respectively, with r=56 and p<.01 in pulmonary hypertensive group and r=.83 and p<.005 in pulmonary normotensive group, Fourteen patients had cardiac shunts and 19 had no shunt, and PA pressure in each of theae group showed good correlationship irrespective of shunt with r=0.80 and p<.005 in shunt group and r=.71 and p<.005 in no shunt group. 3) Qp/Qs in both methods of measurement also showed good correlation with r=.79 and p<,05.