# Is There Any Correlation Between Respiratory Variation Ratios of Internal Jugular Vein and Inferior Vena Cava?

> **NCT04173741** · — · COMPLETED · sponsor: **Hacettepe University** · enrollment: 46 (actual)

## Conditions studied

- Critically Ill

## Interventions

- **OTHER:** USG measurement

## Key facts

- **NCT ID:** NCT04173741
- **Lead sponsor:** Hacettepe University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2018-01-05
- **Primary completion:** 2019-12-01
- **Final completion:** 2019-12-01
- **Target enrollment:** 46 (ACTUAL)
- **Last updated:** 2020-08-31


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04173741

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04173741, "Is There Any Correlation Between Respiratory Variation Ratios of Internal Jugular Vein and Inferior Vena Cava?". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT04173741. Licensed CC0.

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