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Wearable device may spot dangerous blood pressure drops during surgery

NCT ID NCT07621120

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

What the study statuses mean

This study's is highlighted.

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at whether wearing a fitness tracker before surgery can help predict dangerous drops in blood pressure during anesthesia in patients 65 and older. Researchers will monitor physical activity and sleep patterns with an ActiGraph device, then check for links to heart function and complications. The goal is to find a simple, noninvasive way to improve surgical safety for older adults.

What this could mean

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

Active substance
wearable accelerometer (ActiGraph)
What this could lead to
If successful, this could lead to a simple way to identify elderly patients at risk for complications during surgery, helping doctors take preventive steps.
What could go wrong
This is an early observational study with only 100 participants, so results may not apply to all patients. The device measures activity, not direct causes of complications.

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 100 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

Elderly patients who will undergo general anesthesia surgery in Peking Union Medical College Hospital.

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: * Age ≥65 years * Scheduled for elective non-cardiac surgery * American Society of Anesthesiologists (ASA) physical status I-III * Planned to undergo general anesthesia * Planned tracheal intubation * The patient and family members are able to understand the study protocol, are willing to participate, and provide written informed consent Exclusion Criteria: * Severe vascular disease * Secondary hypertension * Limb tremor disorders, such as Parkinson disease * Inability to wear a wrist-based wearable accelerometer for any reason * Inability to measure upper-extremity blood pressure * Atrial fibrillation or other arrhythmias unsuitable for baroreflex sensitivity measurement * Mental or psychiatric conditions resulting in inability to cooperate with study procedures

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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, Beijing Municipality, 100730, China

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