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AI could replace needles for blood pressure monitoring during surgery

NCT ID NCT06915376

Knowledge-focused Sponsor: Nevsehir Public Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested a new method that uses artificial intelligence to combine signals from a pulse oximeter and ECG to measure blood pressure continuously without needles. 30 adults having surgery were monitored with both the new method and the standard invasive method to see how accurate the new approach is. The goal is to find a safer, more comfortable way to track blood pressure during operations.

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.

Participants

30 people

The number who actually took part.

Started

Apr 2025

Finished

Nov 2025

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

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

Who is studied

Study participants will be recruited from adult patients undergoing elective non-cardiac surgery under general anesthesia at Konya City Hospital. All participants will have a clinical indication for arterial catheter placement as part of routine intraoperative monitoring.

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: * Clinical indication for arterial catheter placement * Age ≥18 years * American Society of Anesthesiologists (ASA) physical status classification ≤3 * Planned surgical duration \>60 minutes * Non-cardiac surgery * Expected supine positioning during the procedure * Initial postoperative recovery planned in the Post-Anesthesia Care Unit (PACU) Exclusion Criteria: * Refusal to give informed consent * Severe peripheral vascular disease * Surgeries involving manipulation of major arteries * Positive Allen's test * Inability to place an arterial catheter in the upper extremity * Presence of an arteriovenous fistula for hemodialysis * Inability to measure NIBP (noninvasive blood pressure) on the same arm as the arterial catheter * Difference greater than 10 mmHg in SBP or DBP between the two arms based on NIBP measurements * Abnormal arterial pressure waveforms detected in history or initial IABP monitoring (e.g., pulsus paradoxus, pulsus alternans, pulsus bisferiens, pulsus parvus et tardus) * Atrial fibrillation * Body Mass Index (BMI) \>35 kg/m² * Preoperative hemoglobin level \<10 g/dL or \>16 g/dL * Esophageal or nasopharyngeal pathology, or aortic coarctation * Conditions affecting accurate pulse oximeter readings, such as nail or finger disorders (e.g., nail fungus or scleroderma), or presence of nail polish, dye, henna, or tattoos on fingers or nails.

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As listed by the trial registrant

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

Blood pressure measurement

Contacts and locations

Locations

  • Konya City Hospital

    Konya, Konya/Meram, 42040, Turkey (Türkiye)

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