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Table 3 Core post-intervention variables

From: A consensus-based template for uniform reporting of data from pre-hospital advanced airway management

Data variable number Data variable name Type of data Data variable categories or values Definition of data variable
16 Post-intervention ventilation Nominal 1 = Spontaneous 2 = Controlled 3 = Mixed 4 = Unknown How is patient ventilated following airway management? If both spontaneous and controlled, choose mixed.
12b Post-intervention systolic blood pressure (SBP) Continuous Number/Not recorded First value recorded by the EMS provider after finalised airway management
15b Post-intervention SpO2 Continuous Number/Not recorded First value recorded by the EMS provider after finalised airway management
17a Post-intervention EtCO2 Continuous Number/Not recorded First value recorded by the EMS provider after finalised airway management
12c Post-intervention SBP on arrival Continuous Number/Not recorded First value recorded by the EMS provider after patient arrives at hospital
13b Post intervention heart rate Continuous Number/Not recorded First value recorded by the EMS provider after finalised airway management
15c Post-intervention SpO2 on arrival Continuous Number/Not recorded First value recorded by the EMS provider after patient arrives at hospital
17b Post-intervention EtCO2 on arrival Continuous Number/Not recorded First value recorded by the EMS provider after patient arrives at hospital
18 Survival status Nominal 1 = Dead on-scene or on arrival 2 = Alive on hospital arrival 3 = Unknown Patient survival status: EMS treatment and on arrival at hospital
19 Attempts at airway intervention Nominal 1 = One attempt 2 = Multiple attempts by one provider 3 = Multiple attempts by two or more providers 4 = Unknown Number of attempts at securing the airway with a supraglottic airway device (SAD) or tracheal intubation (TI).
20 Complications Nominal 1 = ETT misplaced in oesophagus 2 = ETT misplaced in right mainstem bronchus 3 = Teeth trauma 4 = Vomiting and/or aspiration 5 = Hypoxia 6 = Bradycardia 7 = Hypotension 8 = Other, define 9 = None recorded Problems and mechanical complications recognised on scene and caused by airway management. Physiologic complications (5, 6, and 7) are regarded as such if they were not present before airway intervention and were recorded during or immediately after airway management. The following definitions are used: hypoxia: SpO2 < 90% bradycardia: pulse rate <60 bpm hypotension: SBP < 90
21 Drugs used to facilitate airway procedure Nominal 1 = Sedatives 2 = NMBA 3 = Analgesics/opioids 4 = Local/topic anaesthetic 5 = None Drugs used to facilitate the airway intervention. Select all that apply
22 Intubation success Nominal 1 = Success on first attempt 2 = Success after more than one attempt and one rescuer 3 = Success after more than one attempt and multiple rescuers 3 = Not successful Successful intubation defined as tube verified in the trachea. An intubation attempt is defined as attempted laryngoscopy with the intent to intubate
23 Device used in successful airway management Nominal 1 = Bag Mask Ventilation 2 = SAD 3 = Oral TI 4 = Nasal TI 5 = Surgical airway 6 = None 7 = Unknown Device used to manage successful airway or device in place when patient is delivered at hospital/ED
  1. ED: Emergency Department
  2. EMS: Emergency Medical Service
  3. ETT: Endotracheal Tube
  4. NMBA: Neuro Muscular Blocking Agent