endotracheal intubation under general anesthesia
Conditions
Interventions
Traditional Macintosh method group (Mac group):During tracheal intubation, placing the tip of the video laryngoscopy blade in the epiglottic valley to lift the epiglottis and expose the glottis
Miller method group (Mil group): During tracheal intubation, lifting the epiglottis with the video laryngoscope by placing the tip of its blade beneath the laryngeal surface of the epiglottis similar
Sponsors
Department of Anesthesiology, Sichuan Provincial Orthopedic Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 70 Years
Inclusion criteria
Inclusion criteria: 1. Patients who are to receive posterior lumbar spine surgery, and the expected surgical time is less than 180 minutes; 2. Aged 18 to 70 years,regardless of gender ; 3. ASA I to II; 4. BMI 18kg/m2 to 35kg/m2; 5. Fully understand the test, and sign the informed consent.
Exclusion criteria
Exclusion criteria: 1. With a history of cardiac, renal, or hepatic disease; 2.With severe preoperative arrhythmia (ventricular premature beats>5 beats/minute, atrial fibrillation, frequent supraventricular tachycardia), myocardial infarction, and heart failure; 3.With a history of difficult tracheal intubation and the possibility of difficult airways after thorough airway assessment; 4.Existence of laryngeal disease, hoarseness, With a history of laryngeal surgery.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Improved Cormack – Lehane grading;Modified difficult intubation scale;Pharyngeal Visual Analogue Scale Score; | — |
Secondary
| Measure | Time frame |
|---|---|
| blood pressure;Heart rate;Degree of hoarseness; | — |
Countries
China
Contacts
Public ContactWenchao Yin
Department of Anesthesiology, Sichuan Provincial Orthopedic Hospital
Outcome results
None listed