# Effects of Standard and Modified Z-Trendelenburg Positions on Cerebral Oxygenation and Optic Nerve Sheath Diameter

> **NCT07632287** · — · COMPLETED · sponsor: **Ankara Etlik City Hospital** · enrollment: 70 (actual)

## Conditions studied

- Laparoscopic Gynecological Surgery

## Interventions

- **PROCEDURE:** Standard Trendelenburg Position
- **PROCEDURE:** Modified Z-Trendelenburg Position

## Key facts

- **NCT ID:** NCT07632287
- **Lead sponsor:** Ankara Etlik City Hospital
- **Sponsor class:** OTHER_GOV
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2026-03-06
- **Primary completion:** 2026-05-18
- **Final completion:** 2026-05-18
- **Target enrollment:** 70 (ACTUAL)
- **Last updated:** 2026-06-08


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07632287

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07632287, "Effects of Standard and Modified Z-Trendelenburg Positions on Cerebral Oxygenation and Optic Nerve Sheath Diameter". Retrieved via MORVS 2026-10-20 from https://api.morvs.ai/clinical/NCT07632287. Licensed CC0.

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