Oesophageal intubation · adults undergoing tracheal intubation
Macintosh‐style videolaryngoscopy showed no clear difference in oesophageal intubation compared with direct laryngoscopy (low certainty).
1 finding from 1 review
Dental trauma · adults undergoing tracheal intubation
It is very uncertain whether macintosh‐style videolaryngoscopy changes dental trauma compared with direct laryngoscopy (very low certainty).
1 finding from 1 review
Cormack‐Lehane grade · adults undergoing tracheal intubation
Macintosh‐style videolaryngoscopy probably leads to lower cormack‐Lehane grade compared with direct laryngoscopy (moderate certainty).
1 finding from 1 review
Duration of tracheal intubation · adults undergoing tracheal intubation
1 finding from 1 review
Failed intubation · adults undergoing tracheal intubation
Hyperangulated videolaryngoscopy probably leads to lower failed intubation compared with direct laryngoscopy (moderate certainty).
1 finding from 1 review
Hypoxaemia · adults undergoing tracheal intubation
Hyperangulated videolaryngoscopy showed no clear difference in hypoxaemia compared with direct laryngoscopy (low certainty).
1 finding from 1 review
Intervention not reported
Early acute postoperative pain (within 6 hours postoperatively using a validated pain scale: 0, no pain to 10, maximum pain) · adults undergoing surgery
1 finding from 1 review
Intervention not reported
Nausea and vomiting (1‐6 hours postoperatively) · adults undergoing surgery
The intervention showed no clear difference in nausea and vomiting (1‐6 hours postoperatively) (low certainty).
1 finding from 1 review
Intervention not reported
Nausea and vomiting (6‐48 hours postoperatively) · adults undergoing surgery
The intervention showed no clear difference in nausea and vomiting (6‐48 hours postoperatively) (low certainty).
1 finding from 1 review
Intervention not reported
Late acute postoperative pain (24‐48 hours postoperatively using a validated pain scale: 0, no pain to 10, maximum pain) · adults undergoing surgery
1 finding from 1 review
Intervention not reported
24‐hour morphine consumption (mg) · adults undergoing surgery
1 finding from 1 review
Intervention not reported
Time to first analgesic request (mean time in minutes) · adults undergoing surgery
1 finding from 1 review
Intervention not reported
Adverse events · adults undergoing surgery
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Intervention not reported
Nausea and vomiting (1‐6 hours postoperatively) · adults undergoing surgery
The intervention showed no clear difference in nausea and vomiting (1‐6 hours postoperatively) (low certainty).
1 finding from 1 review
Intervention not reported
Nausea and vomiting (6‐48 hours postoperatively) · adults undergoing surgery
The intervention showed no clear difference in nausea and vomiting (6‐48 hours postoperatively) (low certainty).
1 finding from 1 review
Intervention not reported
Late acute postoperative pain (24‐48 hours postoperatively using a validated pain scale: 0, no pain to 10, maximum pain) · adults undergoing surgery
1 finding from 1 review
Intervention not reported
24‐hour morphine consumption (mg) · adults undergoing surgery
1 finding from 1 review
Intervention not reported
Time to first analgesic request (mean time in minutes) · adults undergoing surgery
1 finding from 1 review
Intervention not reported
Early acute postoperative pain (within 6 hours postoperatively using a validated pain scale: 0, no pain to 10, maximum pain) · adults undergoing surgery
1 finding from 1 review
Intervention not reported
Adverse events (Re‐operation for bleeding (reoperation for major bleeding within 30 days (yes/no))) · adults undergoing surgery
It is very uncertain whether the intervention changes adverse events (Re‐operation for bleeding (reoperation for major… (very low certainty).
1 finding from 1 review