Ophthalmic diseases
Conditions
Interventions
Lidocaine ointment Group:Application of lidocaine ointment on laryngeal mask
control group:Laryngeal mask is not treated
Sponsors
Zhongshan Ophthalmic Center, Sun Yat-sun University
Eligibility
Sex/Gender
All
Age
18 Years to 60 Years
Inclusion criteria
Inclusion criteria: 1. Patients who will undertake selective ophthalmic surgery; 2. Meet the standard of American Society of Anesthesiologists'(ASA) physical status 1 to 2; 3. Aged 18 to 60 years; 4. BMI 18 to 25 kg/m2; 5. Estimated duration of anesthesia more than 30min.
Exclusion criteria
Exclusion criteria: 1. ASA over grade III; 2. Those who have contraindication of laryngeal mask; 3. There was a history of upper respiratory tract infection one week before operation/Chronic pharyngitis/Severe gastroesophageal reflux/Morbid obesity/open mouth too small/There were abnormal oropharyngeal lesions/Cardiopulmonary diseases/Patients with congenital or idiopathic methemoglobinemia and those who are receiving other drugs (such as sulfonamides) that can cause methemoglobinemia; 4. Local anesthetic allergy; 5. Laryngeal mask intubation times more than 2 times, laryngeal mask alignment is not good leakage; 6. The operation time was less than 30min; 7. Atropine was used during the operation; 8. The researchers believe that there are any factors affecting the subjects' participation in the trial or the evaluation of the results.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Amount of oral secretions during recovery period; | — |
Secondary
| Measure | Time frame |
|---|---|
| Absorption and action site of compound lidocaine ointment;Operation time;Extubation time;hemorrhage;Residence time of PACU;Hoarseness;sore throat;vomit;Incidence of dysphagia;Ingredients in nasolacrimal duct secretion; | — |
Countries
China
Contacts
Public ContactYao-Yi Liang
Zhongshan Ophthalmic Center, Sun Yat-sun University
Outcome results
None listed