Clinical Significance of Radionuclide Studies in the Acute Phase of Myocardial Infarction : The Effectiveness and Limitations of Coronary Care Unit

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T1^<201> MPS and MGCBS were performed on patients with myocardial infarction in the acute phase and the results were evaluated using a scoring system. The findings obtained in this study can be summarized as follows. (1) There was a significant difference in RNEF between Killip class I and III. (2) Significantly high correlation was noted between RWM score and RNEF. (3) In case of low RNEF (less than 35%) with poor RWM (less than 7), the incidence of complications, especially malignant PVC (47%, P<0.01) was markedly high. (4) There was no obvious correlation between T1^<201>MPS and complications. However, adding low RNEF (35% or less ) to poor T1 scores (-22 or less) malignant PVC was noted with high frequency. (5) T1 scores on admission were not related to the number of coronary arteries involved. (6) For patients with good T1 score and low RNEF on admission (suspected of having severe ischemia), EF did not necessarily showed a tendency toward improvement. (7) Patients with single-, two- or three-vessel disease showed no difference in improvement of EF at discharge. (8) There was no marked difference in T1 score on admission among three groups of single lesion of left anterior descending artery; patients with total occlusion without collateral circulation, patients with collateral circulation and patients with recanalization.
社団法人日本循環器学会の論文
1984-07-20