None
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Patients undergoing otorhinolaryngological surgery under general anesthesia (in the supine position of the head) who require the insertion of a laryngeal mask. 2.Patients aged between 18 and 75 years old. 3.ASA(American Society of Anesthesiologists)I~ III; 4.Body mass index (BMI)18~30 kg/m^2; 5.Voluntarily sign the informed consent form.
Exclusion criteria
Exclusion criteria: 1.Patients who refuse to participate in the study. 2.Patients who have participated in other clinical studies within the past 3 months. 3.Patients with relative contraindications to the use of a laryngeal mask (including those with a full stomach and high risk of reflux and aspiration, congenital or acquired airway structural abnormalities, and a history of previous laryngeal mask failure). 4.Patients with neurological or neuromuscular disorders that affect the function of the ulnar nerve (including damage to the postsynaptic membrane receptors such as myasthenia gravis; impairment of acetylcholine release at the presynaptic membrane such as botulinum toxin poisoning; destruction of acetylcholine in the synaptic cleft caused by drugs or neurotoxins; diagnosed with diabetic peripheral neuropathy; and ulnar nerve dysfunction in the tested hand due to trauma or sequelae). 5.Patients who have continuously taken drugs that affect normal neuromuscular transmission for more than one month (based on the drug's instructions). 6.Patients with electronic implantable devices such as pacemakers. 7.Pregnant and breastfeeding women.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Area Under the Curve; | — |
Countries
China
Contacts
Bejing Tongren Hospital, Capital Medical Uniersity