# Different Intra-abdominal Pressures and Optic Nerve Size

> **NCT04556877** · — · COMPLETED · sponsor: **Trakya University** · enrollment: 78 (actual)

## Conditions studied

- Major Surgery
- Intraabdominal Hypertension
- Optic Nerve Congestion

## Interventions

- **PROCEDURE:** Intraabdominal pressure and optic nerve diameters

## Key facts

- **NCT ID:** NCT04556877
- **Lead sponsor:** Trakya University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2018-06-15
- **Primary completion:** 2020-06-15
- **Final completion:** 2020-06-15
- **Target enrollment:** 78 (ACTUAL)
- **Last updated:** 2020-09-21


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04556877

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04556877, "Different Intra-abdominal Pressures and Optic Nerve Size". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04556877. Licensed CC0.

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