Findings

What do systematic reviews say?

4,072 questions · 4,237 findings · 447 reviews · Headline outcomes only

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No studies found 946 · 22.3%GRADE not reported 257 · 6.1%Very low 1,121 · 26.5%Low 1,207 · 28.5%Moderate 568 · 13.4%High 138 · 3.3%

Intervention not reported

Change in core temperature for operations > 120 min · Laparoscopic abdominal surgery (core temperature)

1 finding from 1 review

Heated insufflation with or without humidification for laparoscopic abdominal surgery 2016 · Cochrane Headline outcomes only
no estimate extracted
4 studies · 194 participants
Moderate

Any intervention vs control

Postoperative pain ‐ · adults undergoing elective surgery under general anaesthesia

1 finding from 1 review

Psychological preparation and postoperative outcomes for adults undergoing surgery under general anaesthesia 2016 · Cochrane Headline outcomes only
no estimate extracted
38 studies · 2713 participants
Low

Any intervention vs control

Behavioural recovery ‐ · adults undergoing elective surgery under general anaesthesia

1 finding from 1 review

Psychological preparation and postoperative outcomes for adults undergoing surgery under general anaesthesia 2016 · Cochrane Headline outcomes only
no estimate extracted
14 studies · 1441 participants
Very low

Any intervention vs control

Length of hospital stay · adults undergoing elective surgery under general anaesthesia

1 finding from 1 review

Psychological preparation and postoperative outcomes for adults undergoing surgery under general anaesthesia 2016 · Cochrane Headline outcomes only
no estimate extracted
36 studies · 3313 participants
Low

Any intervention vs control

Negative affect ( · adults undergoing elective surgery under general anaesthesia

1 finding from 1 review

Psychological preparation and postoperative outcomes for adults undergoing surgery under general anaesthesia 2016 · Cochrane Headline outcomes only
no estimate extracted
31 studies · 2496 participants
Low

Intervention not reported

Complete success ( · People undergoing trabeculectomy surgery with glaucoma

The intervention showed no clear difference in complete success ( (low certainty).

1 finding from 1 review

Anti‐vascular endothelial growth factor for control of wound healing in glaucoma surgery 2016 · Cochrane Headline outcomes only
RR 0.71 [0.46, 1.08]
1 study · 42 participants
Low

Intervention not reported

Qualified success ( · People undergoing trabeculectomy surgery with glaucoma

The intervention showed no clear difference in qualified success ( (moderate certainty).

1 finding from 1 review

Anti‐vascular endothelial growth factor for control of wound healing in glaucoma surgery 2016 · Cochrane Headline outcomes only
RR 1 [0.87, 1.14]
1 study · 42 participants
Moderate

Intervention not reported

Mean IOP ( · People undergoing trabeculectomy surgery with glaucoma

1 finding from 1 review

Anti‐vascular endothelial growth factor for control of wound healing in glaucoma surgery 2016 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 66 participants
Low

Intervention not reported

Adverse events ‐ wound leaks · People undergoing trabeculectomy surgery with glaucoma

It is very uncertain whether the intervention changes adverse events ‐ wound leaks (very low certainty).

1 finding from 1 review

Anti‐vascular endothelial growth factor for control of wound healing in glaucoma surgery 2016 · Cochrane Headline outcomes only
OR 1.28 [0.32, 5.04]
3 studies · 102 participants
Very low

Intervention not reported

Adverse events ‐ hypotony · People undergoing trabeculectomy surgery with glaucoma

It is very uncertain whether the intervention changes adverse events ‐ hypotony (very low certainty).

1 finding from 1 review

Anti‐vascular endothelial growth factor for control of wound healing in glaucoma surgery 2016 · Cochrane Headline outcomes only
OR 0.78 [0.2, 3.11]
4 studies · 126 participants
Very low

Intervention not reported

Adverse events ‐ shallow anterior chamber · People undergoing trabeculectomy surgery with glaucoma

It is very uncertain whether the intervention changes adverse events ‐ shallow anterior chamber (very low certainty).

1 finding from 1 review

Anti‐vascular endothelial growth factor for control of wound healing in glaucoma surgery 2016 · Cochrane Headline outcomes only
OR 3.2 [0.32, 32.52]
2 studies · 66 participants
Very low

Intervention not reported

Adverse events ‐ endophthalmitis · People undergoing trabeculectomy surgery with glaucoma

1 finding from 1 review

Anti‐vascular endothelial growth factor for control of wound healing in glaucoma surgery 2016 · Cochrane Headline outcomes only
no estimate extracted
1 study · 42 participants
GRADE not reported

Intervention not reported

Amount of 'rescue' opioid (intravenous morphine equivalents, mg) · adults having abdominal surgery

1 finding from 1 review

Perioperative dexmedetomidine for acute pain after abdominal surgery in adults 2016 · Cochrane Headline outcomes only
no estimate extracted
4 studies · 259 participants
Very low

Intervention not reported

Postoperative pain (VAS 0 to 100 mm, visual analogue scale from 0 = no pain to 100 = worst imaginable pain) · adults having abdominal surgery

1 finding from 1 review

Perioperative dexmedetomidine for acute pain after abdominal surgery in adults 2016 · Cochrane Headline outcomes only
no estimate extracted
4 studies · 259 participants
Very low

Intervention not reported

Postoperative nausea and vomiting (PONV) (RR, 95% CI) · adults having abdominal surgery

1 finding from 1 review

Perioperative dexmedetomidine for acute pain after abdominal surgery in adults 2016 · Cochrane Headline outcomes only
no estimate extracted
3 studies · 217 participants
Low

Intervention not reported

Time to first passage of flatus (hours, MD, 95% CI) · adults having abdominal surgery

1 finding from 1 review

Perioperative dexmedetomidine for acute pain after abdominal surgery in adults 2016 · Cochrane Headline outcomes only
no estimate extracted
1 study · 77 participants
Low

Intervention not reported

Time to first passage of stool (hours, MD, 95% CI) · adults having abdominal surgery

The review found no eligible studies for this question.

1 finding from 1 review

Perioperative dexmedetomidine for acute pain after abdominal surgery in adults 2016 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Intervention not reported

Time to first out‐of‐bed mobilization (hours, MD, 95% CI) · adults having abdominal surgery

1 finding from 1 review

Perioperative dexmedetomidine for acute pain after abdominal surgery in adults 2016 · Cochrane Headline outcomes only
no estimate extracted
1 study · 77 participants
Low

Propofol vs sevoflurane

Emergence from anaesthesia, minutes · patients with rapid emergence from anaesthesia after undergoing brain tumour surgery

1 finding from 1 review

Intravenous versus inhalational techniques for rapid emergence from anaesthesia in patients undergoing brain tumour… 2016 · Cochrane Headline outcomes only
no estimate extracted
4 studies · 384 participants
Low

Propofol vs sevoflurane

Adverse event ‐ haemodynamic changes, number of events · patients with rapid emergence from anaesthesia after undergoing brain tumour surgery

Propofol may leads to higher adverse event ‐ haemodynamic changes, number of events compared with sevoflurane (low certainty).

1 finding from 1 review

Intravenous versus inhalational techniques for rapid emergence from anaesthesia in patients undergoing brain tumour… 2016 · Cochrane Headline outcomes only
RR 1.85 [1.07, 3.17]
2 studies · 282 participants
Low