Table 2.
Indications for revision surgery in nine patients with shunt malfunction on 16 occasions
| Indication | n | Type of surgical revision |
|---|---|---|
| Wound dehiscence with pneumocephalus | 1 | Wound revision |
| Delayed fluid collection in resection cavity | 1 | Additional cystoperitoneal shunt implantation |
| Valve and proximal catheter obstruction | 3 | Catheter replacement |
| Proximal catheter obstruction | 1 | Valve and catheter replacement |
| Proximal catheter dislocation | 1 | Reinsertion |
| Distal catheter dislocation | 1 | Reinsertion |
| Valve malfunction | 3 | Valve replacement |
| Delayed trapped ventricle and CSF collection in cavity, valve malfunction | 1 | New implantation of proximal shunt catheters without anti-siphon device |
| Intracerebral abscess | 1 | Removal of ventriculoperitoneal shunt, implantation of external ventricle drainage |
| Delayed trapped ventricle and CSF collection in cavity | 1 | New implantation of proximal catheters |
| Persistent hydrocephalus despite adjustment of programmable valve | 2 | Removal of anti-siphon device |
CSF cerebrospinal fluid