None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) 65 ~ 85 year old 2) patients undergoing elective surgery which is expected ending within 2 hours 3) American Society of Anesthesiologist Patient Status I~III
Exclusion criteria
Exclusion criteria: 1) emergency operation 2) uncontrolled hypertension(systlic blood pressure before anesthesia induction = 180mmHg) 3) obesity (Body mass index >35kg/m2) 4) pharyngeal pathology 5) risk of gastroespophageal reflux 6) end stage renal disease 7) respiratory disease 8) wobbling teeth 9) psychiatric disease or cognitive disorder
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| device insertion time for succeful ventilation | — |
Secondary
| Measure | Time frame |
|---|---|
| success rate in first attempt | — |
Countries
Korea, Republic of
Contacts
Konyang University Hospital