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AI model aims to prevent dangerous blood pressure drops during surgery in seniors

NCT ID NCT07618416

Knowledge-focused Sponsor: Peking Union Medical College Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 is developing a machine learning model to predict the risk of low blood pressure after anesthesia in elderly patients having non-cardiac surgery. Researchers will collect data from 500 participants aged 65 and older, including heart rate variability and other health details. The goal is to create a tool that helps doctors take preventive action, potentially reducing complications.

What this could mean

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

What this could lead to
If successful, this could lead to a tool that helps doctors prevent dangerous drops in blood pressure during surgery in older patients.
What could go wrong
This is an observational study, not a treatment trial. The model may not be accurate enough for real-world use, and results may not apply to all patients.

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

About 500 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Jun 2026

An estimate. Start dates often move.

Expected to finish

Dec 2027

An estimate. End dates often move.

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.

Who is studied

Patients scheduled for elective operations

Ages

65 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: * Aged over 65 years; * Scheduled for elective non-cardiac surgery; * American Society of Anesthesiologists (ASA) physical status classification I-III; * Planned for general anesthesia with endotracheal intubation; * Patient and legal guardians are capable of understanding the study protocol and willing to provide written informed consent. Exclusion Criteria: * Severe peripheral vascular diseases; * Secondary hypertension; * Presence of physical tremors (e.g., Parkinson's disease) preventing stable recording; * Inability to accurately measure upper limb blood pressure; * Pre-existing cardiac arrhythmias (e.g., atrial fibrillation) that render BRS; * Psychiatric disorders or cognitive impairments hindering basic cooperation.

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As listed by the trial registrant

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

Post-induction hypotension

How to take part

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  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

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Contacts and locations

Locations

  • Peking Union Medical College Hospital

    RECRUITING

    Beijing, China, 100730, China

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