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NCT06805032

Accuracy and Precision of Train-of-Four Ratios Obtained With Acceleromyography and Electromyography in Restricted-Movement Settings in the Absence of Neuromuscular Blocking Drugs

Enrolling by Invitation
Not specifiedAges 18+Observational
Mayo Clinic
~40 participants
Updated 2026-02-03 on ClinicalTrials.gov
What's tested:Observation of EMG and AMG readings

At a glance

Recruiting sites
0 of 1 listed site is recruiting right now
RecruitingSuspended, closed, or not yet open
What they're measuring
Accuracy and precision
Measured over 120 minutes

Conditions

Cystoscopy

Explore related trials

Elective Surgical Procedure

Where it's being run

1 sites across 1 states
Florida1

Study leadership

  • J. Ross Renew, M.D. · PRINCIPAL_INVESTIGATOR · Mayo Clinic

Who to contact

This trial hasn't published a contact. View it on ClinicalTrials.gov

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Eligibility criteria

Inclusion

Patients willing to participate and provide an informed consent.
Patients undergoing elective surgical procedures that require general anesthesia without use of NMBA agents administered intraoperatively, and tucked arms.
Anticipated surgery duration \< 120 minutes.

Exclusion

Patients with disorders, such as stroke, carpal tunnel syndrome, broken wrist with nerve damage, Dupuytren contracture, or any similar wrist injury.
Patients with systemic neuromuscular diseases such as myasthenia gravis.
Patients having surgery that would involve prepping the arm into the sterile field.

What this trial measures

  • Accuracy and precision120 minutes

    Accuracy and precision of train-of-four ratios measured simultaneously by two quantitative neuromuscular monitors every minute among 40 patients undergoing surgery of at least 30 min duration (roughly 1200 measurements) in which the arms are tucked and in the absence of neuromuscular blocking agents. In the absence of neuromusuclar blocking agents, the expected train-of-four ratio is 1.0. Accuracy of each monitor will be assessed by how close measuremetns are to 1.0 while precision will be assessed by the variability of the measured responses in all patients undergoing procedure.