# Respiratory Variations in the Diameter of the Inferior Vena Cava With Spontaneous Ventilation

> **NCT01644760** · NA · COMPLETED · sponsor: **Centre Hospitalier Universitaire de Nīmes** · enrollment: 52 (actual)

## Conditions studied

- Collapsibility of the Inferior Vena Cava

## Interventions

- **PROCEDURE:** Ultrasounds with controlled breathing

## Key facts

- **NCT ID:** NCT01644760
- **Lead sponsor:** Centre Hospitalier Universitaire de Nīmes
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2012-09
- **Primary completion:** 2012-09-17
- **Final completion:** 2012-09-17
- **Target enrollment:** 52 (ACTUAL)
- **Last updated:** 2025-11-19


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01644760

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01644760, "Respiratory Variations in the Diameter of the Inferior Vena Cava With Spontaneous Ventilation". Retrieved via AI Analytics 2026-06-16 from https://api.ai-analytics.org/clinical/NCT01644760. Licensed CC0.

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