None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.ASA grade I-II; 2.18-65 years old ; 3.Duration of operation 0.5-4h; 4.BMI 18.5-23.9kg/m2.
Exclusion criteria
Exclusion criteria: 1.Smoking; 2.Patients with preoperative communication difficulties or refuse; 3.History of laryngopharyngeal surgery,laryngopharyngeal tumor,chronic pharyngitis, history of laryngopharyngeal radiotherapy and chemotherapy; 4.Patients with pre-existing hoarse, expected difficult airway, placement of nasogastric tube, and upper respiratory tract infection; 5.Hepatic and renal function is poor and hepatic blood flow is decreased obviously; 6.Pregnant and lactating women; 7.Arrhythmia and allergy to lidocaine.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Sore throat, hoarseness and cough; | — |
Secondary
| Measure | Time frame |
|---|---|
| Systolic pressure, diastolic pressure, mean arterial pressure, pulse oxygen saturation, heart rate;Tumor necrosis factor a, interleukin-6, c reactive protein; | — |
Countries
China
Contacts
Affiliated Hospital of North Sichuan Medical College