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

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

The purpose of this research is to compare the performance of acceleromyograph and electromyograph-based quantitative neuromuscular monitors when the arms are tucked for surgical positioning.

Inclusion Criteria:

• 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 Criteria:

• 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.