Operative Details
The most common indication for surgery was aortic root repair or replacement (31.6%) followed by isolated coronary artery bypass grafting (CABG) (29.8%). 457 (75.7%) of cases were performed under an emergent status, and 45 (7.5%) were performed under an emergent salvage status. 524 (86.8%) cases utilized cardiopulmonary bypass with median pump time of 171 minutes (IQR 112 to 221 minutes). Intra- or post-operative IABP was placed in 33 (5.47%) patients, with 2 (0.33%) intra-operative Impella devices, 20 (3.31%) intra-operative VA ECMO, and 8 (1.32%) post-operative VA ECMO (Table 1 ). Operative mortality was 21.5% (Table 2 ).