Table 2.
| Australia/New Zealand [22] | Canada [16, 17] | China [19, 24] | India [20] | Italy [23] | Korea [15] | Singapore [18] | UK [25] | US [1] | International consensus [21] | |
|---|---|---|---|---|---|---|---|---|---|---|
| Personal protective equipment Donning/Doffing | N95, gown, eye protection, face shield, gloves Double gloves for airway management | N95, gown, eye shield, hood/hat, gloves (PAPR controversial) Double gloves for airway management | N95/PAPR, gown, goggles/face shield, hood Double gloves for airway management | N95, gown, eye shield, cap, shoe covers Double gloves | N95, gown, face shield/goggles, loves, shoe covers Double gloves for airway management | N95/PAPR, gown, face shield/goggles, shoe covers Double gloves | N95, gown, eye protection, PAPR Double gloves considered | Full personal protective equipment Double gloves for intubation | N95/PAPR, gown, goggles/face shield, cap Double gloves for intubation | N95/PAPR, goggles, gown, hood/face shield, shoe covers Double gloves for intubation | 
| Buddy system | – | Buddy system | – | Buddy system | – | – | Buddy system | – | Buddy system | |
| Operating theatre | Designated area, negative pressure room | Isolation/negative pressure room | Designated area, negative pressure room | Designated area | Designated area, negative pressure room | Negative pressure room | Isolation/negative pressure room | Negative pressure room | Designated area, negative pressure room | – | 
| Communication | Pre-briefing; cognitive aids, checklist | – | – | – | Team briefing; cognitive aids, checklist | – | Team briefing; coordinator | Team briefing; cognitive aids, checklist | Team briefing | – | 
| Airway manager | Most skilled/experience | Most skilled | Experienced, assisted by 2nd clinician | Experienced | Most skilled and experienced | Most experienced | Most experienced | Most appropriate | Most experienced | Most skilled 2nd operator assisting | 
| Personnel | Limit numbers | Limit numbers | Limit numbers | Limit numbers | Limit numbers | – | Limit numbers | Limit numbers | Limit numbers | – | 
| Preoxygenation | 100% oxygen for 5 min No HFNO | 100% oxygen for 5 min | 100% oxygen for 5 min If HFNO, cover nose and mouth with wet gauze | 100% oxygen for 5 min Cover patient’s nose and mouth with wet gauze | 100% oxygen for ≥ 3 min Apneic O2 low flow | 100% oxygen for 5 min No HFNO | Well-fitting mask Avoid non-invasive ventilation and HFNO | 100% oxygen for ≥ 3 min, well-fitting mask No HFNO | 100% oxygen for 5 min | 100% oxygen for 5 min | 
| Position | 45° head up | – | Ramping in obese | – | – | – | – | Ramping in obese | – | Head up | 
| Drugs | Succinylcholine or rocuronium | Rocuronium | Succinylcholine or rocuronium | Succinylcholine | Succinylcholine or rocuronium | – | – | Succinylcholine or rocuronium | Rocuronium | Rocuronium | 
| Induction | Rapid sequence induction; consider cricoid pressure carefully | Rapid sequence induction ± cricoid pressure | Rapid sequence induction | Rapid sequence induction | Rapid sequence induction; consider cricoid pressure carefully | Rapid sequence induction with cricoid pressure | Rapid sequence induction | Rapid sequence induction | Rapid sequence induction with cricoid pressure | Modified rapid sequence induction | 
| Tracheal intubation | Video laryngoscope | Consider video laryngoscope | Video laryngoscope/bronchoscope | Video laryngoscope | Video laryngoscope | Consider video laryngoscope | Video laryngoscope | Video laryngoscope | Video laryngoscope | Video laryngoscope | 
| Supraglottic airways | Intubation preferable to SGA. SGA preferable to FMV Use 2nd generation – | Intubation preferable to SGA. SGA preferable to FMV – For airway rescue | – Use 2nd generation For airway rescue | – – For airway rescue | – Use 2nd generation For airway rescue | SGA preferred to FMV – – | Intubation preferred to SGA – – | SGA preferred to FMV Use 2nd generation For airway rescue | SGA preferred to FMV – – | Should be available – – | 
| Face mask ventilation | Minimize ventilation pressures | If indicated, small tidal volumes | As backup option | Avoid | If indicated, small tidal volumes | If indicated, small tidal volumes | If indicated, small tidal volumes | If indicated | If indicated, small tidal volumes | Mask ventilation after induction | 
| Front of neck access | Scalpel-bougie Avoid concurrent positive pressure ventilation from above | – | Surgical or percutaneous cricothyroidotomy | – | Surgical or percutaneous cricothyroidotomy preferred Awake tracheostomy under local anesthesia | – | – | Surgical cricothyroidotomy preferred Needle cricothyroidotomy may be appropriate | – | – | 
| Awake intubation | – | Avoid flexible bronchoscopic intubation; consider video laryngoscope Beware inadequate sedation | Adequate sedation and topicalization; nasal route preferred Consider endoscopic mask with flexible bronchoscope | Avoid | If indicated Video laryngoscope faster than flexible bronchoscopy | If indicated | Avoid | Flexible bronchoscopy techniques unlikely to be first choice | If indicated | If indicated | 
| Extubation | Minimize coughing: local anesthesia, dexmedetomidine, opioids Oxygen mask | – | Two layers of wet gauze to cover the patient’s nose and mouth | Prophylactic antiemetics | – | – | Antiemetics Nasal prong and surgical mask over | Minimize coughing: local anesthesia, dexmedetomidine, opioids Nasal prong and surgical mask over | Prophylactic antiemetics Minimize coughing: local anesthesia, dexmedetomidine, opioids | – | 
FMV: face mask ventilation; HFNO: high flow nasal oxygen; PAPR: powered air purifying respirators; SGA: supraglottic airway device; –: refers to no statement from respective guidelines