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  • Title: [Analysis of left ventricular function early after coronary artery bypass grating in patients with left ventricular dysfunction].
    Author: Sakagoshi M, Hiranaka T, Yagura A.
    Journal: Kyobu Geka; 1994 Jun; 47(6):438-41. PubMed ID: 8207880.
    Abstract:
    We analyzed left ventricular (LV) function early after coronary artery bypass grafting (CABG) in patients with LV dysfunction, whose LV ejection fraction (LVEF) was less than 0.4. 11 patients were divided into two groups: Group-A patients (G-A: n = 6) improved LVEF (post-op LVEF > 0.4) and Group-B patients (G-B: n + 5) did not improve LVEF (post-op LVEF < 0.4) one month after CABG. Preoperative status of coronary artery disease, cardiac function, operative procedure, and postoperative cardiac function were compared between two groups. All patient had old myocardial infarction. There were no differences in preoperative LVEF (0.30 +/- 0.06 in G-A and 0.31 +/- 0.06 in G-B), CI, and LVEDP between two groups. LVEDVI (85 +/- 19 in G-A and 159 +/- 50 ml/m2 in G-B) and LVESVI (60 +/- 14 in G-A and 113 +/- 49 ml/m2 in G-B) values were higher in G-B, respectively. Number of grafts was not different between two groups (2.3 in G-A and 2.4 in G-B). Postoperative LVEF value (0.53 +/- 0.07 in G-A and 0.34 +/- 0.04 in G-B) was lower in G-B. Thus, it might be difficult to obtain the recovery of LV function in patients with LV dilatation, early after CABG.
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