# Perioperative Evaluation of Intracranial Hypertension by Ultrasound Measurement of Variations in the Diameter of the Sheath of the Optic Nerve in the Excision of a Tumor or Biopsy Supratentorial Brain

> **NCT01864499** · NA · COMPLETED · sponsor: **Poitiers University Hospital**

## Conditions studied

- Supratentorial Brain Tumor

## Interventions

- **PROCEDURE:** ultrasound measurement of variations in the diameter of the sheath of the optic nerve

## Key facts

- **NCT ID:** NCT01864499
- **Lead sponsor:** Poitiers University Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** —
- **Primary completion:** 2015-06
- **Final completion:** —
- **Target enrollment:** — (—)
- **Last updated:** 2016-10-11


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01864499

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01864499, "Perioperative Evaluation of Intracranial Hypertension by Ultrasound Measurement of Variations in the Diameter of the Sheath of the Optic Nerve in the Excision of a Tumor or Biopsy Supratentorial Brain". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT01864499. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*
