Mask ventilation in anesthetised patient
Conditions
Interventions
Anesthesiolosists perform one minutes mechanical mask ventilation under each condition. Group A: without nasal passage occlusion, followed by occlusion by gauze, followed by removal of gauze, follo
Sponsors
nagano municipal hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Patients undergoing elective surgery under general anesthesia requring nasal intubation 2. ASA physical status cllasification: ASA-PS 1/2
Exclusion criteria
Exclusion criteria: 1. possible difficult mask ventilation (Body mass index> 30 kg/m2, thyromental distance< 6 cm, Mallampati score 1 or 2, thickness of neck, having beard, instability or a limitation in range of motion of cervical vertebra, neck mass or past history of radiation therapy in neck, sleep apnea syndrome) 2. risk of aspiration (pregnant, obesity, hiatal hernia, gastroesophageal reflux disease) 3. nasal discharge becouse of upper respiratory infection or hayfever. 4. ischemic heart disease or chronic obstractive pulmonary disease
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Expiratory tidal volume in mechanical mask ventilation with or without nasal passage occlusion by gauze | — |
Countries
Japan
Contacts
Public ContactMasaki Takekoshi
nagano municipal hospital Medical department, division of anesthesia
Outcome results
None listed