Table 4 Search Strategy. Search strategy used in PubMed database – Search date: April 28, 2020
Search | Query |
|---|---|
#1 | (Ultrason* [Title/Abstract] OR Ultrasonic [Title/Abstract] OR Ultrasoun* [Title/Abstract] OR ultrasond [Title/Abstract] OR ultrasonography [Title/Abstract] OR Ultraso* measurement [Title/Abstract] OR Ultraso* investigation [Title/Abstract] OR Ultraso* parameter [Title/Abstract] OR Sono* measurement [Title/Abstract] OR sono* investigation [Title/Abstract] OR sono* parameter [Title/Abstract] OR Sonograph [Title/Abstract] OR sonography [Title/Abstract] OR ultrasonography [Title/Abstract] OR ultrasonographic [Title/Abstract]) OR (Cormack-lehane [Title/Abstract] OR “Cormack lehane” [Title/Abstract] OR hyposmia [Title/Abstract] OR hypoxia [Title/Abstract]) |
#2 | airway evaluat* [Title/Abstract] OR airway manag* [Title/Abstract] OR airway invest* [Title/Abstract] OR Difficult Laryngoscopy [Title/Abstract] OR laryngoscop* [Title/Abstract] OR difficult airway [Title/Abstract] OR difficult intubation [Title/Abstract] OR intub* [Title/Abstract] OR endotracheal tube [Title/Abstract] OR endotracheal intubation [Title/Abstract] OR tracheal intubation [Title/Abstract] OR orotracheal intubation [Title/Abstract] |
#3 | #1 AND #2 |