# Ultrasound Measurements of Circular Cartilage Transverse Diameter

> **NCT05273294** · NA · UNKNOWN · sponsor: **Shengjing Hospital** · enrollment: 90 (estimated)

## Conditions studied

- Ultrasound Therapy; Complications
- Transverse Diameter of Cricoid Cartilage
- Endotracheal Intubation
- Children

## Interventions

- **DEVICE:** Portable color Doppler ultrasound system

## Key facts

- **NCT ID:** NCT05273294
- **Lead sponsor:** Shengjing Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2022-03-01
- **Primary completion:** 2022-07-01
- **Final completion:** 2022-07-01
- **Target enrollment:** 90 (ESTIMATED)
- **Last updated:** 2022-03-10


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05273294

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05273294, "Ultrasound Measurements of Circular Cartilage Transverse Diameter". Retrieved via AI Analytics 2026-05-30 from https://api.ai-analytics.org/clinical/NCT05273294. Licensed CC0.

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