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박영배,이영우,오동진,고창순,서정돈,서봉관,오병회 대한내과학회 1986 대한내과학회지 Vol.31 No.5
To assess the change in left ventricular function after hospital discharge, 57 patients with acute myocardial infarction were studied before discharge and 26 of them after discharge as well with either or both of treadmill test and radionuclide ventriculography(RNV). Follow-up study patients were 2g men with mean age of 53.1. Their infarct locations were anterior in 16 cases, inferior in 8 cases and anterior and inferior in 2 cases; 21 cases were in Killip class I, 3 cases in II, and 2 cases in III. Follow-up study was performed 2~19 months(mean 7.3 months) after acute myocardial infarction. The results were as follows: 1) Predischarge study showed that a relationship is present between regional wall motion abnormality, Killip class, peak serum CK and left ventricular ejection fraction(LVEF). 2) Predischarge and follow-up treadmill tests showed no significant change. 3) Follow-up RNV showed worsening of regional wall motion only in 1 case: Other cases showed either improvement or no change in regional wall motion. 4) Overall patients showed a significant increase in LVEF on follow-up. By location, only anterior infarction showed a significant increase in LVEF. 5) Killip class I patients showed a significant increase in LVEF on follow-up. 6) Most cases in this study were uncomplicated myocardial infarction and they showed improved LV function(suggested by RNV) on follow-up. Treadmill test also seems to be valuable for evaluationg improvement in exercise capacity on follow-up. So it is recomended that treadmill test or RNV be performed after discharge to evaluate change in LV function objectively.
관상동맥질환 환자에서 방사성동위원소 위상분석에 의한 심근 국소 운동 평가
박영배,이영우,이명철,오병희,고창순,정준기,이강욱 대한핵의학회 1987 핵의학 분자영상 Vol.21 No.2
Among noninvasive approaches for the evaluation of left ventricular performance, radionuclide ventriculography (RVG) has been shown to be of particular values. Phase analysis, recently introduced as more objective means for evaluating the temporal sequence of systolic ventricular wall motion than cine image of RVG comprises a pixel by pixel Fourier transformation of the time activity r.urve of a multipie gated acquisition equilibrium blood pool study, To examine the regional wall motion of ventricle in myocardial infarctions, we evaluated the phase image and histogram constructed for each ventricle by total phase angle range and fulf width of half rnaximum (FWHM), This study consisted of 7 normal subjects and 23 subjects with acute rnyocardial infarction. Contrast ventriculography and coronary angiography was performed in all partients with myncardial infarction. And we compared the result of phase analysis with cine image of RVG and examined the interrelationship between phase analysis and contrast ventriculography with coronary angiography. The results were as follow; 1) The total phase angle range and FWHM of LVphase histogram in myocardial infarction (86' and 32, respectively) were wider than those in normal control (38 and 18, respectively p$lt;0.01). 2) RV phase angle range and FWHM in patients with right coronary artery (RCA) occlusion (79 and 37, respectively) were wider than those in normal control (39' and 18, respectively p$lt; 0.001) and the patients without RCA occlusion (,52 and 19, respectively p$lt;0.01). 3) Phase analysis was more sensitive (95%) than cine image of RVG (70%) for the detection of regional wall motion abnormality of LV.
박영배,이영우,김영권,류왕성,조명찬,서정돈,오병희 대한내과학회 1986 대한내과학회지 Vol.30 No.2
A retrospective clinical study was done on 44 adult patients with Eisenmenger syndrome who had visited Seoul National University Hospital from February, 1979 to June, 1985 The result were as follows: 1) The underlying defect was a ventricular septal defect in 20: an atrial septal defect in 6; a patent ductus artericsus in 13; and combined lesions in 5. 2) There were 21 males and 23 females. The average age was 27. 3 year with the peak incidence in the third decade(24 patients). 3) The common symptoms were effort intolerance in 97.7%, hemoptysis in 28.2%, congestive heart failure in 28.2%, chest pain in 25.6%, squatting in 23.1%, and syncope in 10.3%. Cyanosis was observed in 87.5% and clubbing in 63.2%. 4) Cardiac catheterization was performed in 35 cases. Pulmonary artery preussre was elevated near to aortic pressure. Total pulmonary resistance increased markedly with the mean value of 20.0±5.0 units. Generally, shunts were bidirectional. 5) Radionuclide angiocardiographies were performed in 17 and contrastechocardiographies in 18 of 26 catheterized cases. Finding of right-to-left or bidirectional shunt, compatible with Eisenmenger physiology, was present in 5cases on the radionuclide angiocardiographies. Detection of a shunt by contrast echocardiography was fairly correct in 18 cases. It was suggested that noninvasive diagnostic methods including radionuclide angiocardiography and contrast echocardiography were very useful to confirm the adult Eisenmenger syndrome with a ventricular septal defect or a patent ductus arterisus without further invasive cardiac catheterization.