Table 7. Case volume of DS and EVT for neurotrauma in the JND in 2018 and 2019.
| Modality | Mode of operations | 2018 | 2019 | ||||
|---|---|---|---|---|---|---|---|
| Case no. | % (in all admission) | % (in DS/EVT case) | Case no. | % (in all admission) | % (in DS/EVT case) | ||
| 3002. CSDH | 40889 | 42630 | |||||
| Burr hole and irrigation | 39291 | 96.1 | 97.3 | 40734 | 95.6 | 97.4 | |
| Removal of hematoma (craniotomy) | 531 | 1.3 | 1.3 | 551 | 1.3 | 1.3 | |
| Others | 304 | 0.7 | 0.8 | 378 | 0.9 | 0.9 | |
| 3100. Traumatic intracranial hemorrhage group | 42233 | 45521 | |||||
| Removal of hematoma (craniotomy) | 5473 | 13.0 | 74.3 | 5620 | 12.3 | 74.8 | |
| Decompressive craniectomy | 1471 | 3.5 | 20.0 | 1487 | 3.3 | 19.8 | |
| Burr hole surgery | 963 | 2.3 | 13.1 | 1079 | 2.4 | 14.4 | |
| Others | 649 | 1.5 | 8.8 | 611 | 1.3 | 8.1 | |
| 3016. Skull defect after external decompression | 1151 | 1219 | |||||
| Cranioplasty | 1137 | 98.8 | 98.1 | 1213 | 99.5 | 98.9 | |
| 3090. Other head trauma | 1899 | 1971 | |||||
| Others | 437 | 23.0 | 93.8 | 521 | 26.4 | 95.4 | |
| 3017. CSF leakage | 845 | 805 | |||||
| Repair of CSF leakage | 273 | 32.3 | 93.8 | 322 | 40.0 | 96.7 | |
| 3004. Skull fracture | 4025 | 4114 | |||||
| Cranioplasty | 176 | 4.4 | 88.9 | 192 | 4.7 | 90.6 | |
| 3010. Traumatic cerebrovascular diseases | 502 | 371 | |||||
| Bypass surgery | 3 | 0.6 | 2.8 | 1 | 0.3 | 0.8 | |
| EVT | Endovascular surgery | 65 | 12.9 | 59.6 | 91 | 24.5 | 77.1 |
| Others | 39 | 7.8 | 35.8 | 23 | 6.2 | 19.5 | |
| 3007. Intraventricular hemorrhage | 490 | 370 | |||||
| Ventricular drainage | 51 | 10.4 | 72.9 | 34 | 9.2 | 65.4 | |
| 3006. Diffuse axonal injury | 531 | 549 | |||||
| Placement of ICP monitor | 21 | 4.0 | 65.6 | 21 | 3.8 | 65.6 | |
| Ventricular drainage | 10 | 1.9 | 31.3 | 10 | 1.8 | 31.3 | |
| 3014. Facial injury (facial bone fracture) | 620 | 653 | |||||
| Facial fracture reduction | 24 | 3.9 | 88.9 | 21 | 3.2 | 91.3 | |
| 3008. Cranial nerve injury (optic canal fracture) | 29 | 32 | |||||
| Optic nerve decompression | 14 | 48.3 | 100.0 | 17 | 53.1 | 85.0 | |
| Others | 0 | 0.0 | 0.0 | 1 | 3.1 | 5.0 | |
| 3018. Penetrating brain injury | 18 | 28 | |||||
| Removal of foreign material | 13 | 72.2 | 92.9 | 15 | 53.6 | 88.2 | |
| 3013. Facial injury (orbital fracture) | 412 | 398 | |||||
| Open reduction of orbital fracture | 10 | 2.4 | 100.0 | 5 | 1.3 | 100.0 | |
DS: direct surgery, EVT: endovascular treatment, JND: Japan Neurosurgical Database, CSDH: chronic subdural hematoma, CSF: cerebrospinal fluid, ICP: intracranial pressure.