Table 2.
Summary of surgery-related adverse events
| n | % | Revision surgery | % | |
|---|---|---|---|---|
| Wound event | ||||
| Glioma | 7 | 2.1 | 6 | 1.8 |
| Meningioma | 3 | 0.8 | 3 | 0.8 |
| Ependymoma | 1 | 9.1 | 0 | 0.0 |
| Neurinoma | 0 | 0.0 | 0 | 0.0 |
| Pituitary adenoma | 0 | 0.0 | 0 | 0.0 |
| Pineal region tumors | 0 | 0.0 | 0 | 0.0 |
| Metastasis | 3 | 1.5 | 2 | 1.0 |
| Hemangioblastoma | 1 | 6.7 | 1 | 6.7 |
| Sarcoma | 0 | 0.0 | 0 | 0.0 |
| Chordoma | 0 | 0.0 | 0 | 0.0 |
| Epidermoid tumor | 0 | 0.0 | 0 | 0.0 |
| Embryonal tumor | 0 | 0.0 | 0 | 0.0 |
| Inflammation | 0 | 0.0 | 0 | 0.0 |
| Dural leak | ||||
| Glioma | 7 | 2.1 | 2 | 0.6 |
| Meningioma | 2 | 0.5 | 2 | 0.5 |
| Ependymoma | 1 | 9.1 | 0 | 0.0 |
| Neurinoma | 4 | 6.9 | 2 | 3.4 |
| Pituitary adenoma | 1 | 10.5 | 0 | 0.0 |
| Pineal region tumors | 1 | 16.7 | 1 | 16.7 |
| Metastasis | 1 | 1.0 | 1 | 1.0 |
| Hemangioblastoma | 1 | 6.7 | 1 | 6.7 |
| Sarcoma | 0 | 0.0 | 0 | 0.0 |
| Chordoma | 0 | 0.0 | 0 | 0.0 |
| Epidermoid tumor | 0 | 0.0 | 0 | 0.0 |
| Embryonal tumor | 0 | 0.0 | 0 | 0.0 |
| Inflammation | 0 | 0.0 | 0 | 0.0 |
| Postoperative hemorrhage | ||||
| Glioma | 10 | 3.0 | 8 | 2.4 |
| Meningioma | 4 | 1.1 | 3 | 0.8 |
| Ependymoma | 0 | 0.0 | 0 | 0.0 |
| Neurinoma | 3 | 5.2 | 3 | 5.2 |
| Pituitary adenoma | 0 | 0.0 | 0 | 0.0 |
| Pineal region tumors | 0 | 0.0 | 0 | 0.0 |
| Metastasis | 2 | 1.1 | 2 | 1.1 |
| Hemangioblastoma | 0 | 0.0 | 0 | 0.0 |
| Sarcoma | 0 | 0.0 | 0 | 0.0 |
| Chordoma | 0 | 0.0 | 0 | 0.0 |
| Epidermoid tumor | 0 | 0.0 | 0 | 0.0 |
| Embryonal tumor | 0 | 0.0 | 0 | 0.0 |
| Inflammation | 1 | 7.1 | 1 | 7.1 |
| Surgical goal not achieved | ||||
| Glioma | 0 | 0.0 | 0 | 0.0 |
| Meningioma | 1 | 0.3 | 1 | 0.3 |
| Ependymoma | 0 | 0.0 | 0 | 0.0 |
| Neurinoma | 0 | 0.0 | 0 | 0.0 |
| Pituitary adenoma | 1 | 10.5 | 0 | 0.0 |
| Pineal region tumors | 0 | 0.0 | 0 | 0.0 |
| Metastasis | 1 | 1.0 | 0 | 0.0 |
| Hemangioblastoma | 0 | 0.0 | 0 | 0.0 |
| Sarcoma | 0 | 0.0 | 0 | 0.0 |
| Chordoma | 0 | 0.0 | 0 | 0.0 |
| Epidermoid tumor | 1 | 11.1 | 0 | 0.0 |
| Embryonal tumor | 0 | 0.0 | 0 | 0.0 |
| Inflammation | 0 | 0.0 | 0 | 0.0 |
| New neurological deficit | ||||
| Glioma | 34 | 10.3 | 1 | 0.3 |
| Meningioma | 42 | 11.5 | 3 | 0.8 |
| Ependymoma | 0 | 0.0 | 0 | 0.0 |
| Neurinoma | 9 | 15.5 | 2 | 3.4 |
| Pituitary adenoma | 3 | 3.2 | 0 | 0.0 |
| Pineal region tumors | 1 | 16.7 | 0 | 0.0 |
| Metastasis | 2 | 1.1 | 2 | 1.1 |
| Hemangioblastoma | 1 | 6.7 | 1 | 6.7 |
| Sarcoma | 0 | 0.0 | 0 | 0.0 |
| Chordoma | 0 | 0.0 | 0 | 0.0 |
| Epidermoid tumor | 0 | 0.0 | 0 | 0.0 |
| Embryonal tumor | 1 | 14.3 | 1 | 14.3 |
| Inflammation | 0 | 0.0 | 0 | 0.0 |
| Secondary transfer to IMC or ICU | ||||
| Glioma | 12 | 3.6 | –– | –– |
| Meningioma | 10 | 2.7 | –– | –– |
| Ependymoma | 0 | 0.0 | –– | –– |
| Neurinoma | 2 | 3.5 | –– | –– |
| Pituitary adenoma | 4 | 4.2 | ||
| Pineal region tumors | 1 | 6.7 | –– | –– |
| Metastasis | 9 | 4.4 | –– | –– |
| Hemangioblastoma | 2 | 13.3 | –– | –– |
| Sarcoma | 1 | 10.0 | –– | –– |
| Chordoma | 0 | 0.0 | –– | –– |
| Epidermoid tumor | 1 | 11.1 | –– | –– |
| Embryonal tumor | 1 | 14.3 | –– | –– |
| Inflammation | 3 | 7.1 | –– | –– |
| Death | ||||
| Supratentorial | 3 | 0.6 | –––- | –––- |
| Infratentorial | 2 | 0.3 | –––- | –––- |
IMC, intermediate care unit; ICU, intensive care unit