Health Condition 1: null- Patient posted for any elective surgery, who are diagnosed as difficult airway on pre-anaesthetic evaluation, requiring awake fiberoptic nasotracheal intubation for general anaesthesia
Conditions
Interventions
Intervention1: Achieving adequate conscious sedation (BIS â?¤90 and RSS â?¥2) to be followed by awake fibreoptic nasotracheal intubation: Procedure will start with nebulization by 2.5 mL of 4% lidocai
Sponsors
Department of Anaesthesiology AIIMS Rishikesh
Eligibility
Inclusion criteria
Inclusion criteria: American Society of Anesthesiologists- Physical Status Class 1 and 2 Ability to give informed consent for awake fiberoptic nasotracheal intubation
Exclusion criteria
Exclusion criteria: Emergency procedures Known allergy to studied medications Difficult mask ventilation Pregnancy Known hearing or visual problems Mental retardation End-organ impairment Any contraindication to nasotracheal intubation
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Stable BIS: the lowest bispectral index value at which awake fiberoptic nasotracheal intubation could be feasibly performedTimepoint: At Baseline (time 0) just before initiation of nebulization At 15 min after nebulization At two minutes intervals thereafter till patient is intubated | — |
Secondary
| Measure | Time frame |
|---|---|
| Any drug requirement and total doseTimepoint: Throughout the period of observation after starting the procedure, till patient is intubated;Bispectral index value when any complication occurredTimepoint: Throughout the period of observation after starting the procedure, till patient is intubated;ComplicationsTimepoint: Throughout the period of observation after starting the procedure, till patient is intubated;Correlation between bispectral index and cardiorespiratory eventsTimepoint: Throughout the period of observation after starting the procedure, till patient is intubated;Correlation between bispectral index and ramsay sedation scoreTimepoint: At Baseline (time 0) just before initiation of nebulization At 15 min after nebulization At two minutes intervals thereafter till patient is intubated;Ramsay Sedation scoreTimepoint: At Baseline (time 0) just before initiation of nebulization At 15 min after nebulization At two minutes intervals thereafter till patient is intubated;Total duration of procedureTimepoint: The period of observation after starting of procedure, till patient is intubated | — |
Countries
India
Contacts
Public ContactDr Gaurav Jain
All India Institute of Medical Sciences Rishikesh
Outcome results
None listed