“…[2][3][4] The objective effect on left ventricular function as shown by postoperative left heart catheterisation data, however, has been conflicting. Some authors have found improvement,3 56 but the findings of others have been inconclusive.4 [7][8][9][10][11] Brawley et al"2 found a correlation between prognosis and the preoperative status of the coronary arteries supplying the remaining part of the left ventricle. The functional outcome related to the status of the coronary arteries at long-term follow-up, however, has not been established.…”