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ER study tests if ultrasound can make blood draws quicker and less painful

NCT ID NCT07625631

Symptom relief Sponsor: Sisli Hamidiye Etfal Training and Research Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested whether using a static ultrasound image to mark the artery before a wrist blood draw works better than the usual method of feeling for the pulse. One hundred adult ER patients were randomly assigned to one of the two techniques. The goal was to see if ultrasound guidance could shorten the procedure time, improve first-stick success, and reduce pain and complications.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Static ultrasound guidance
What this could lead to
If successful, this technique could make arterial blood draws faster and less painful for emergency patients.
What could go wrong
This is a small, completed trial with 100 patients, so results may not apply to all settings. Ultrasound guidance may not always be available or practical in busy emergency departments.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

100 people

The number who actually took part.

Started

Apr 2023

Finished

Jun 2023

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Adult patients aged 18 years and older * Patients requiring radial arterial puncture in the emergency department * Patients who provided informed consent Exclusion Criteria: * Patients younger than 18 years * Known vascular abnormalities or previous vascular surgery involving the puncture site * Local infection or skin lesion at the puncture site * Hemodynamic instability requiring immediate intervention * Inability to provide informed consent * Previous enrollment in the study

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Arterial blood gas analysis

Contacts and locations

Locations

  • Adem Melekoglu, MD

    Istanbul, Kağıthane, 34413, Turkey (Türkiye)