Table 1. Clinical Indications for 24-Hour ICP Monitoring.
| Indication | Patients, No. (%) | Simultaneous ICP, Mean (SD), mm Hg |
|---|---|---|
| Suspected CSF dynamics disorder causing headachea | 41 (39) | 3 (8) |
| Suspected CSF shunt malfunction | 34 (32) | 2 (11) |
| Known hydrocephalus with suspected raised ICP | 15 (14) | 1 (5) |
| Known Chiari malformation with suspected raised ICP | 13 (13) | 2 (5) |
| Suspected normal pressure hydrocephalus | 2 (2) | −2 (3) |
Abbreviations: CSF, cerebrospinal fluid; ICP, intracranial pressure.
a
For example, idiopathic intracranial hypertension and spontaneous intracranial hypotension.