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KMID : 0382619810010010337
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Hanyang Journal of Medicine
1981 Volume.1 No. 1 p.337 ~ p.359
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The Echocardiographic Study on the Korean Normal and Various Cardiac Disease
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孫宜錫/Shun, Eui Soek
許鳳烈/Huh, Bong Yell
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Abstract
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It is well known that echocardiography is totally noninvasive and highly diagnostic tool for the cardiac diagnosis. But two important points should be stressed for the echocardiographic diagnosis. One is to evaluate the direct echocardiographic findings which was brought by the focal changes due to the etiologic process and the other is to evaluate the indirect echocardiographic findings which was mainly led by the hemodynamic effect due to the etiologic diseases.
The author presented 354 cases with various cardiac diseases and 60 Korean normal control cases which was studied in the echocardiographic room in Han Yang University Hospital from Jan. 1979 till June 1980.
The following results were obtained:
1) In the rheumatic mitral valvular disease, mitral calcification were observed in 90.8 % of the mitral stenosis and in 89.4% of the mitral stenoinsufficiency. In the mitral insufficiency, there was observed no cases with mitral calcification but the left ventricle was markedly dilated and Vcf. and PEP/LVET ratio were increased due to the prominent shortening of the left ventricalar ejection time.
2) The patient with the aortic stenosis showed concentric left ventricular hypertrophy (1VSd, 12+2mm & LVPWd, 12+3mm).
The patient with the aortic insufficiency showed markedly dilated left ventricle (LVIDdI, 44.67±3.3mm/M2) and increased left ventricular wall motion (E. F., 69.7±18%, Vcf. 1.34+0.5circ/sec. PEP/LVET 0.5+0.12).
Diastolic fluttering on the anterior leaflet of the mitral valve was demonstrated in 95% of cases with the aortic insufficiency.
3) In the ischemic heart disease, demonstration of asynergic area was highly diagnostic but in 33.3% of the cases, asynergic area could not be detected echocardiographically.
4) In the congestive cardiomyogathies, marked dilatation of all cardiac chamber, espcially left ventricle (LVIDdI, 39.53±14mm/M2) and markedly decreased left ventricular wall motion (LSa+ENa:8. 5+4.2mm) were demonstrated.
5) Minimal amounts of pericardial effusion due to the various causes, were more easily demonstrated by the sensitivity of the echocardiographic examination. The author detected minimal amount of peridcarial effusion in 62.5%, moderate amount in 30% and large amount in 10%, of the cases with pericardial effusion
6) In cases with A.S.D, the right ventricular volume overload pattern, consisting of enlarged right ventricular diameter and abnormal systolic was observed in all cases.
In cases with V.S.D. and P.D.A., the left ventricular volume overload pattern, consisting of enlarged left ventricular and atrial dimension and increased left ventricular motility were demonstrated.
In cases with T.O.F., overriding of the aorta was demonstrated in all cases. Eni:aged aortic root and right ventricular hypertrophic pattern were also observed.
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