# Doppler Ultrasonography Assessed Vascular Changes Before and After Radial Artery Puncture

> **NCT03294993** · NA · WITHDRAWN · sponsor: **China Medical University, China**

## Conditions studied

- Blood Flow Indexes

## Interventions

- **DEVICE:** Ultrasound assess

## Key facts

- **NCT ID:** NCT03294993
- **Lead sponsor:** China Medical University, China
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** 2017-10-01
- **Primary completion:** 2022-09-30
- **Final completion:** 2022-09-30
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** no participants enrolled
- **Last updated:** 2021-11-11


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03294993

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03294993, "Doppler Ultrasonography Assessed Vascular Changes Before and After Radial Artery Puncture". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT03294993. Licensed CC0.

---

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