Health Condition 1: O- Medical and Surgical
Conditions
Interventions
Intervention1: Nasal oxygen at 4 lt/ min after preoxygenation: Nasal oxygenation at 4 litres/min by nasal prongs from the end of mask ventilation until the airway is successfully secured with the end
Sponsors
Vijayanagara Institute of Medical Sciences
Eligibility
Inclusion criteria
Inclusion criteria: 1)Infants of 0 to 6 months age, of either sex, posted for elective / emergency surgeries under general anaesthesia 2)ASA physical status I & II 3)Patients with normal cardiorespiratory function
Exclusion criteria
Exclusion criteria: 1)Refusal by parents for the procedure 2)Infants with fever, upper respiratory tract infection, anaemia(Hb-12gm%), obstructive sleep apnoea(OSA), protein energy malnutrition, overweight(greater then weight for age) 3)Surgeries requiring nasal intubation 4)History of significant systemic disorders, known congenital heart diseases, hypotension (systolic BP 5)Infants with anatomical nasal defects (nasal obstruction) and obvious congenital syndromes 6)Infants with anticipated difficult airway
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Safe apnoea time (fall of SpO2 upto 95%)Timepoint: Baseline readings of SpO2 (before induction), after preoxygenation, after induction, after paralysis, during apnoea, laryngoscopy and intubation noted in seconds | — |
Secondary
| Measure | Time frame |
|---|---|
| a.Apnoeic times for different levels of desaturation between two groups 100-99 98-97 96-95 95 b. Lowest O2 saturation during study period c. Intubation Time d. Blood pressure e. Heart rate Timepoint: Baseline readings of SpO2 (before induction), after preoxygenation, after induction, after paralysis, during apnoea, laryngoscopy and intubation noted in seconds Time when SpO2 falls from 100% to 95% | — |
Countries
India
Contacts
Public ContactDr Nisha S Shetty
Vijayanagara Institute of Medical Sciences, Ballari
Outcome results
None listed