Table 7. Operative features, Complications, and Outcomes for octogenarians undergoing cardiac operations.
| Variable | Isolated CABG* (N=1,992) | Isolated Aortic Valve (N=352) | Isolated Mitral Valve (N=81) | Valve + CABG* (N=654) | P |
|---|---|---|---|---|---|
| OPERATIVE FEATURES | |||||
| Elective | 771 (38.7) | 257 (73.0) | 53 (65.4) | 391 (59.8) | <0.001 |
| Urgent | 1,131 (56.8) | 92 (26.1) | 26 (32.1) | 250 (38.2) | <0.001 |
| Emergent | 89 (4.5) | 3 (0.9) | 2 (2.5) | 13 (2.0) | 0.001 |
| Aortic cross clamp, minutes | 63.9 (23.8) | 79.7 (33.3) | 85.9 (37.9) | 115.9 (34.9) | <0.001 |
| Cardiopulmonary bypass, minutes | 92.3 (34.1) | 113.5 (50.0) | 121.0 (45.5) | 154.9 (48.2) | <0.001 |
| COMPLICATIONS | |||||
| Sepsis | 26 (1.3) | 5 (1.4) | - | 15 (2.3) | 0.21 |
| Stroke | 47 (2.4) | 8 (2.3) | 4 (4.9) | 14 (2.1) | 0.48 |
| Perioperative Myocardial Infarction | 10 (0.5) | - | - | 2 (0.3) | 0.48 |
| Reoperation for Bleeding/Tamponade | 48 (2.4) | 18 (5.1) | 6 (7.4) | 33 (5.0) | <0.001 |
| Atrial fibrillation | 541 (27.2) | 96 (27.3) | 17 (21.0) | 220 (33.6) | 0.005 |
| Cardiac Arrest | 48 (2.4) | 11 (3.1) | 2 (2.5) | 22 (3.4) | 0.57 |
| Gastrointestinal Event | 66 (3.3) | 5 (1.4) | 5 (6.2) | 36 (5.5) | 0.004 |
| Heart Block | 48 (2.4) | 17 (4.8) | 2 (2.5) | 55 (8.4) | <0.001 |
| Pneumonia | 100 (5.0) | 13 (3.7) | 6 (7.4) | 33 (5.0) | 0.52 |
| Prolonged Ventilation | 286 (14.4) | 51 (14.5) | 14 (17.3) | 136 (20.8) | 0.001 |
| Dialysis | 61 (3.1) | 8 (2.3) | 2 (2.5) | 29 (4.4) | 0.22 |
| Renal Failure | 154 (7.7) | 23 (6.5) | 4 (4.9) | 72 (11.0) | 0.02 |
| RESOURCE UTILIZATION | |||||
| Preoperative Length of Stay, days | 2.9 (3.1) | 2.2 (3.4) | 2.8 (4.7) | 3.4 (15.2) | 0.15 |
| Readmission <30 days from Surgery | 202 (10.1) | 33 (9.4) | 9 (11.1) | 62 (9.5) | 0.92 |
| Hospital Length of Stay, days | 12.3 (10.9) | 11.3 (9.3) | 13.3 (11.3) | 14.5 (18.4) | 0.001 |
| ICU† Length of Stay, hours | 101.3 (175.9) | 104.9 (166.0) | 114.5 (158.1) | 121.3 (160.6) | 0.19 |
| Total Costs, $ | 35,017 (31,540) | 37,759 (23,581) | 47,274 (31,440) | 44,965 (30,003) | <0.001 |
| OUTCOMES | |||||
| Major Complication | 388 (19.5) | 62 (17.6) | 17 (21.0) | 169 (25.8) | 0.002 |
| Operative Mortality | 105 (5.3) | 23 (6.5) | 6 (7.4) | 48 (7.3) | 0.22 |
Data shown as N(%) or Mean (SD), as appropriate
*
CABG, Coronary Artery Bypass Graft
†
ICU, Intensive Care Unit