# Effects of High Flow Humidified Oxygen on Umbilical Artery Acid-base Balance in Cesarean Section Under Spinal Anesthesia

> **NCT07515716** · NA · NOT_YET_RECRUITING · sponsor: **Yonsei University** · enrollment: 200 (estimated)

## Conditions studied

- Pregnancy
- Cesarean Section
- Spinal Anesthesia

## Interventions

- **DEVICE:** high-flow nasal oxygen
- **DEVICE:** conventional nasal cannula oxygen

## Key facts

- **NCT ID:** NCT07515716
- **Lead sponsor:** Yonsei University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** NOT_YET_RECRUITING
- **Start date:** 2026-04-07
- **Primary completion:** 2027-03-31
- **Final completion:** 2027-03-31
- **Target enrollment:** 200 (ESTIMATED)
- **Last updated:** 2026-04-07


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07515716

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07515716, "Effects of High Flow Humidified Oxygen on Umbilical Artery Acid-base Balance in Cesarean Section Under Spinal Anesthesia". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT07515716. Licensed CC0.

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