# Optic Nerve Sheath Diameter (ONSD) With the Raised PCO2 and Internal Jugular Venous Occlusion

> **NCT02361658** · — · COMPLETED · sponsor: **Lashmi Venkatraghavan** · enrollment: 100 (actual)

## Conditions studied

- Elevated Intracranial Pressure (ICP)

## Interventions

- **OTHER:** Ultrasonographic of the optic nerve sheath diameter
- **OTHER:** RespirAct™
- **OTHER:** Neck collar

## Key facts

- **NCT ID:** NCT02361658
- **Lead sponsor:** Lashmi Venkatraghavan
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2015-01
- **Primary completion:** 2017-05
- **Final completion:** 2017-05
- **Target enrollment:** 100 (ACTUAL)
- **Last updated:** 2025-03-17

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02361658

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02361658, "Optic Nerve Sheath Diameter (ONSD) With the Raised PCO2 and Internal Jugular Venous Occlusion". Retrieved via AI Analytics 2026-07-11 from https://api.ai-analytics.org/clinical/NCT02361658. Licensed CC0.

---

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