| NCT Number | NCT07399093 |
| Lead Sponsor | Ain Shams University |
| Conditions | Inferior Vena Cava, Collapsibility Index, Caval Aorta Index, Induction, General Anesthesia, Craniotomy |
| Enrollment | 36 participants |
| Start Date | 2024-01-14 |
| Primary Completion | 2026-03-01 (estimated) |
| Study Completion | 2026-03-01 (estimated) |
| Updated on ClinicalTrials.gov | 2026-02-10 |