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In this study, the investigators evaluate the effect of head positions (simple extension vs. sniffing position vs. head elevation) on endotracheal intubation using a videolaryngoscope.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Simple extension | Experimental | After induction of anesthesia, endotracheal intubation was performed in simple extension without a pillow using a McGrath MAC videolaryngoscope. |
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| Head elevated position | Experimental | After induction of anesthesia, endotracheal intubation was performed in a head elevated position with a pillow using a McGrath MAC videolaryngoscope. |
|
| Sniffing position | Experimental | After induction of anesthesia, endotracheal intubation was performed in a sniffing position using a McGrath MAC videolaryngoscope. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| endotracheal intubation | Procedure | Endotracheal intubation is performed in simple head extension or sniffing position using a McGrath MAC videolaryngoscope. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Ease of intubation | Ease of endotracheal intubation is assessed using the intubation difficulty scale. Intubation difficulty scale includes number of attempts, number of operators, number of alternative techniques, glottic opening and so on. | Procedure (During endotracheal intubation) |
| Measure | Description | Time Frame |
|---|---|---|
| Percentage of glottic opening (POGO) score | POGO score is recorded during endotracheal intubation (0%: no visualization of glottic opening; 100%: entire visualization of the glottic opening). | Procedure (During endotracheal intubation) |
| Number of attempts |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Jin-Young Hwang, PhD. | SMG-SNU Boramae Medical Center | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Seoul Metropolitan Government Seoul National University Boramae Medical Center | Seoul | 156-707 | South Korea |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 37052067 | Derived | Kim H, Chang JE, Won D, Lee JM, Kim TK, Kim MJ, Min SW, Hwang JY. Effect of head and neck positions on tracheal intubation using a McGRATH MAC video laryngoscope: A randomised, prospective study. Eur J Anaesthesiol. 2023 Aug 1;40(8):560-567. doi: 10.1097/EJA.0000000000001838. Epub 2023 Apr 13. |
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| ID | Term |
|---|---|
| D007442 | Intubation, Intratracheal |
| ID | Term |
|---|---|
| D058109 | Airway Management |
| D013812 | Therapeutics |
| D007440 | Intubation |
| D008919 | Investigative Techniques |
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Number of attempts for endotracheal intubation is recorded. |
| Procedure (At the end of endotracheal intubation) |
| Intubation time | The time taken for endotracheal intubation is recorded. | Procedure (During endotracheal intubation) |
| Palatopharyngeal wall injury | Presence of palatopharyngeal wall injury is observed. | Procedure (During endotracheal intubation) |
| Lifting force for exposure of the glottis | Requirement for lifting force to expose the glottis is recorded during videolaryngoscopy | Procedure (During endotracheal intubation) |
| Laryngeal pressure for exposure of the glottis | Requirement for laryngeal force to expose the glottis is recorded during videolaryngoscopy | Procedure (During endotracheal intubation) |
| Lifting force for advancing an endotracheal tube into the larynx | Requirement for lifting force is recorded during the advancement of the endotracheal tube into the larynx. | Procedure (During endotracheal intubation) |
| Laryngeal pressure for advancing an endotracheal tube into the larynx. | Requirement for laryngeal pressure is recorded during the advancement of the endotracheal tube into the larynx. | Procedure (During endotracheal intubation) |