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Wearable Accelerometers for Predicting Perioperative Risk in Elderly Patients

Recruitingn/aAges 65 Years - anyAllPeking Union Medical College Hospital
NCT07621120 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

This single-center prospective cohort study is designed to evaluate whether preoperative physical activity measured by a wearable accelerometer is associated with cardiovascular autonomic function and whether it can help predict post-induction hypotension in elderly patients undergoing elective non-cardiac surgery. Patients aged 65 years or older scheduled for general anesthesia with tracheal intubation will undergo preoperative physical activity monitoring using an ActiGraph wearable accelerometer. Activity-related parameters, including sedentary time, light-, moderate-, and vigorous-intensity activity, daily step count, and sleep duration, will be recorded. Cardiovascular autonomic function will be assessed perioperatively using noninvasive continuous hemodynamic monitoring, with baroreflex sensitivity-related indices derived from continuous blood pressure and beat-to-beat timing data.

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📋 Eligibility rules (as published)
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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What it tests

  • Not listed
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Where

1 site
Peking Union Medical College Hospital
Beijing, China
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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