Method | Visit 0 | Visit 1 pre-OP | Visit 2 peri-OP | Visit 3 discharge | Visit 4 end of study | CT catheter-control |
---|---|---|---|---|---|---|
screening, consent, inclusion | x | |||||
randomisation, patient data | x | |||||
surgery | x | |||||
perioperative study visit, complications | x | |||||
study visit, complications, early shunt failure | x | x | ||||
postoperative brain scan (until study visit 4) | x |