Table 5.
Comparison of EMB and NEMB groups.
| Variable | EMB | NEMB | p value |
|---|---|---|---|
| Demographics | |||
| Total patients | 20 | 28 | |
| Total CBT resections | 20 | 29 | |
| Age, years | |||
| Mean | 47 ± 16 | 52 ± 14 | 0.33 |
| Gender | >0.99 | ||
| Male | 3 (15%) | 5 (18%) | |
| Female | 17 (85%) | 23 (82%) | |
| BMI | 31.3 ± 8.5 | 32.4 ± 7.2 | 0.65 |
| Tumor | |||
| Maximal diameter, cm | 4.0 ± 0.7 | 3.2 ± 1 | 0.006 * |
| Shamblin class II or III | 18 (90%) | 22 (76%) | <0.001 * |
| Operative | |||
| Operative time, min | 337 ± 195 | 199 ± 100 | 0.004 * |
| Estimated blood loss, mL | 242 ± 178 | 242 ± 27 | >0.99 |
| Transfusion requirementa | 3 (15%) | 2 (7%) | 0.39 |
| Carotid artery management | |||
| Tumor resection alone | 14 (70%) | 24 (82%) | 0.32 |
| ECA ligation | 6 (30%) | 5 (17%) | 0.32 |
| ICA repair, any | 3 (15%) | 3 (10%) | 0.68 |
| Patch angioplasty | 1 (5%) | 2 (7%) | >0.99 |
| Interposition graft, any | 2 (10%) | 1 (3%) | 0.56 |
| Hospital course | |||
| Length of stay, days | 3.8 ± 2.9 | 2.3 ± 2.1 | 0.04 * |
| ICU length of stay, days | 2.5 ± 2.1 | 0.8 ± 0.7 | <0.001 * |
| Complications | |||
| 30-day mortality | 0 (0%) | 0 (0%) | >0.99 |
| Overall complication | 10 (50%) | 5 (17%) | 0.03 * |
| Stroke | 1 (5%) | 1 (3%) | >0.99 |
| Hematoma | 2 (10%) | 0 (0%) | 0.16 |
| Surgical site infection | 1 (5%) | 0 (0%) | 0.41 |
| Cranial nerve injury (CNI) | |||
| CNI overall | 8 (40%) | 2 (7%) | 0.01 * |
| Transient CNI | 5 (25%) | 0 (0%) | 0.01 * |
| Permanent CNI | 3 (15%) | 2 (7%) | 0.39 |
CBT: carotid body tumor; ECA: external carotid artery; ICA: internal carotid artery; CNI: cranial nerve injury.
Categorical variable are presented as a number (n, %). Continuous variables are presented as a mean ± standard deviation or median (range).
Bold and “*” represent statistically significant values where p values < 0.05.
a
Transfusion requirement for ⩾1 unit pRBC.