Table 1.
Patient Characteristics
| Burst suppression = 27 | No Burst suppression = 52 | |
|---|---|---|
| Female, n (%) | 9 (33.3) | 6 (11.5) |
| Age ± SD | 67.9 ± 9.3 | 65.3 ±8.7 |
| Weight (kg), mean ± SD | 76.4 ± 17.4 | 85.3 ±16.5 |
| Height (cm), mean ± SD | 170.1 ± 12.3 | 172.8 ±7.4 |
| Comorbidities | ||
| Diabetes, n (%) | 9 (33.3) | 17(32.7) |
| Sleep Apnea, n (%) | 4 (14.8) | 4 (7.7) |
| Depression, n (%) | 6 (22.2) | 1 (1.9) |
| Cross lamp time (min), mean ± SD | 85.3 ± 28.7 | 94.3 ± 62.5 |
| CPB Perfusion time (min), mean ± SD | 123.3 ± 36 | 114.2 ± 54.7 |
| CPB temp nadir (F), mean ± SD | 33.8 ± 2.3 | 34.0 ± 1.5 |
| Hours in ICU, mean ± SD | 62.3 ± 83.5 | 45.9 ± 37.2 |
| Surgery Type | ||
| Isolated CABG | 11 (40.7) | 25 (48.1) |
| MV Repair | 1 (3.7) | 2 (3.8) |
| AVR/CABG | 2 (7.4) | 5 (9.6) |
| Isolated MVR | 1 (3.7) | 2 (3.8) |
| AVR/MVR | 0 (0) | 2 (3.8) |
| Isolated AVR | 3 (11.1) | 2 (3.8) |
| MV Repair/CABG | 1 (3.7) | 2 (3.8) |
| Other | 8 (29.6) | 12 (23.1) |
| CPB Isoflurane, % ± SD | 0.9 ± 0.2 (n = 27) | 0.9 ± 0.3 (n = 52) |
| Propofol (mg), mean ± SD | 117.0 ± 50.6 (n = 20) | 91.1 ± 62.3 (n = 45) |
| Etomidate (mg), mean ± SD | 12.4 ± 4.3 (n = 5) | 15.3 ± 8.1 (n = 3) |
| Midazolam (mg), mean ± SD | 3.8 ± 1.4 (n = 27) | 4.1 ±1.4 (n = 51) |
| Muscle Relaxants | ||
| Rocuronium, n (%) | 19 (70.4) | 39 (75) |
| Cisatracuronium, n (%) | 6 (22.2) | 7 (25) |
| Opioids | ||
| Fentanyl (mcg), mean ± SD | 852.8 ± 351.3 (n = 27) | 857.7 ± 235.9 (n = 52) |
| Morphine (mg), mean ± SD | 17.5 ± 5 (n = 4) | 15.0 ± 5.8 (n = 4) |
| Hydromorphone (mg), mean ± SD | 1 ± 0 (n = 3) | 1.5 ± 0.5 (n = 6) |
AVR; Aortic Valve Replacement; CABG; Coronary Artery Bypass Graft, F; Fahrenheit, ICU; Intensive Care Unit, MV; mg, milligram; mcg, microgram; Mitral Valve, MVR; Mitral Valve Replacement, n; number.