Findings

What do systematic reviews say?

690 questions · 693 findings · 52 reviews · Anaesthesia · Headline outcomes only

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No studies found 101 · 14.6%GRADE not reported 151 · 21.8%Very low 144 · 20.8%Low 178 · 25.7%Moderate 96 · 13.9%High 23 · 3.3%

Closest answers

The findings closest to your search, judged one by one by TypeSafe's Jev model.

Direct match · question page
- Music interventions vs standard care · Preoperative anxiety (STAI) STAI. Scale from: 20 to 80.
  Music interventions for preoperative anxiety 2013 · Cochrane Headline outcomes only
  no estimate extracted
  13 studies · 896 participants
  Low
Direct match · question page
- Preventive opioids vs postincision opioids · 24‐hour morphine consumption (mg) (if alternative opioids were used, we converted these to morphine equivalents using standard conversion factors)
  Pre‐emptive and preventive opioids for postoperative pain in adults undergoing all types of surgery 2018 · Cochrane Headline outcomes only
  no estimate extracted
  11 studies · 526 participants
  Very low
Direct match · question page
- Preventive opioids vs postincision opioids · Respiratory depression (defined as SaO2 < 92%; yes/no during the postoperative period)
  Pre‐emptive and preventive opioids for postoperative pain in adults undergoing all types of surgery 2018 · Cochrane Headline outcomes only
  no estimate extracted
  4 studies · 433 participants
  GRADE not reported
Direct match · question page
- Pre‐emptive opioids vs postincision opioids · 24‐hour morphine consumption (mg) (if alternative opioids were used, we converted these to morphine equivalents using standard conversion factors)
  Pre‐emptive and preventive opioids for postoperative pain in adults undergoing all types of surgery 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found
Direct match · question page
- Pre‐emptive opioids vs postincision opioids · Late acute postoperative pain (measured at 24 to 48 hours postoperatively using a validated pain scale, 0 no pain to 10 maximum pain)
  Pre‐emptive and preventive opioids for postoperative pain in adults undergoing all types of surgery 2018 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 40 participants
  Low

Pre‐emptive opioids vs postincision opioids

Respiratory depression (defined as SaO2 < 92%; yes/no during the postoperative period) · adults undergoing dental surgery

The review found no eligible studies for this question.

1 finding from 1 review

Pre‐emptive and preventive opioids for postoperative pain in adults undergoing all types of surgery 2018 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Pre‐emptive opioids vs postincision opioids

Acute postoperative pain 0 to 6 hours (Score 0 to 10, VAS or NRS Scale) · adults undergoing dental surgery

1 finding from 1 review

Pre‐emptive and preventive opioids for postoperative pain in adults undergoing all types of surgery 2018 · Cochrane Headline outcomes only
no estimate extracted
1 study · 40 participants
Low

Pre‐emptive opioids vs postincision opioids

Late acute postoperative pain (24‐48 hours postoperatively using a validated pain scale: 0, no pain to 10, maximum pain) · adults undergoing dental surgery

1 finding from 1 review

Pre‐emptive and preventive opioids for postoperative pain in adults undergoing all types of surgery 2018 · Cochrane Headline outcomes only
no estimate extracted
1 study · 40 participants
Low

Pre‐emptive opioids vs postincision opioids

Opioid consumption at 24 hours using morphine equivalents Scale from zero to 150 mg · adults undergoing dental surgery

The review found no eligible studies for this question.

1 finding from 1 review

Pre‐emptive and preventive opioids for postoperative pain in adults undergoing all types of surgery 2018 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Pre‐emptive opioids vs postincision opioids

Intraoperative bradycardia (yes/no) · adults undergoing dental surgery

The review found no eligible studies for this question.

1 finding from 1 review

Pre‐emptive and preventive opioids for postoperative pain in adults undergoing all types of surgery 2018 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Pre‐emptive opioids vs postincision opioids

Intraoperative hypotension (yes/no) · adults undergoing dental surgery

The review found no eligible studies for this question.

1 finding from 1 review

Pre‐emptive and preventive opioids for postoperative pain in adults undergoing all types of surgery 2018 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Intervention not reported

Mortality in patients with pre‐existing renal impairment As reported in the included trials Folliow‐up: 7 days · patients with pre‐existing renal impairment

It is very uncertain whether the intervention changes mortality in patients with pre‐existing renal impairment As reported… (very low certainty).

1 finding from 1 review

Interventions for protecting renal function in the perioperative period 2013 · Cochrane Headline outcomes only
OR 0.74 [0.36, 1.52]
10 studies · 959 participants
Very low

Intervention not reported

Acute renal injury in patients with pre‐existing renal impairment As reported in the included trials · patients with pre‐existing renal impairment

It is very uncertain whether the intervention changes acute renal injury in patients with pre‐existing renal impairment As… (very low certainty).

1 finding from 1 review

Interventions for protecting renal function in the perioperative period 2013 · Cochrane Headline outcomes only
OR 0.4 [0.22, 0.76]
11 studies · 979 participants
Very low

Preventive opioids vs postincision opioids

Respiratory depression (defined as SaO2 < 92%; yes/no during the postoperative period) · adults undergoing surgery

1 finding from 1 review

Pre‐emptive and preventive opioids for postoperative pain in adults undergoing all types of surgery 2018 · Cochrane Headline outcomes only
no estimate extracted
4 studies · 433 participants
GRADE not reported

Topical anaesthesia plus intracameral lidocaine vs topical anaesthesia alone

Mean change of endothelial cell loss · adults undergoing phacoemulsification cataract surgery

1 finding from 1 review

Topical anaesthesia plus intracameral lidocaine versus topical anaesthesia alone for phacoemulsification cataract… 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
Moderate

Advanced haemodynamic monitoring vs usual care

Return to pre‐fracture accommodation/return to pre‐fracture mobility · patients with perioperative fluid optimization

1 finding from 1 review

Perioperative fluid volume optimization following proximal femoral fracture 2016 · Cochrane Headline outcomes only
no estimate extracted
1 study · 114 participants
Low

Protocol using standard measures such as CVP vs usual care

Return to pre‐fracture accommodation/return to pre‐fracture mobility · patients with perioperative fluid optimization

The review found no eligible studies for this question.

1 finding from 1 review

Perioperative fluid volume optimization following proximal femoral fracture 2016 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Advanced haemodynamic monitoring vs protocol using standard measures such

Return to pre‐fracture accommodation/return to pre‐fracture mobility · patients with proximal femoral fracture

The review found no eligible studies for this question.

1 finding from 1 review

Perioperative fluid volume optimization following proximal femoral fracture 2016 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

ProSeal vs Classic laryngeal mask airway (LMA)

Peak airway pressure during positive pressure ventilation (cm H₂O) · adult patients (18 years of age and older) for positive pressure ventilation undergoing elective surgery

1 finding from 1 review

ProSeal versus Classic laryngeal mask airway (LMA) for positive pressure ventilation in adults undergoing elective… 2017 · Cochrane Headline outcomes only
no estimate extracted
4 studies · 259 participants
Low

ProSeal vs Classic laryngeal mask airway (LMA)

Oropharyngeal leak pressure (seal pressure) (cm H₂O) · adult patients (18 years of age and older) for positive pressure ventilation undergoing elective surgery

1 finding from 1 review

ProSeal versus Classic laryngeal mask airway (LMA) for positive pressure ventilation in adults undergoing elective… 2017 · Cochrane Headline outcomes only
no estimate extracted
6 studies · 709 participants
Low

Methohexital vs propofol

Change in Hamilton Depression Scale scores Scale of Hamilton Depression scores · patients with depressive patients receiving MECT

1 finding from 1 review

Different regimens of intravenous sedatives or hypnotics for electroconvulsive therapy (ECT) in adult patients with… 2014 · Cochrane Headline outcomes only
no estimate extracted
4 studies · 165 participants
Low

Music‐based therapeutic interventions vs usual care

Anxiety · patients with preoperative anxiety

2 findings from 1 review

Music interventions for preoperative anxiety 2013 · Cochrane Headline outcomes only
no estimate extracted
13 studies · 896 participants
Low
Music interventions for preoperative anxiety 2013 · Cochrane Headline outcomes only
no estimate extracted
7 studies · 504 participants
Low

Music‐based therapeutic interventions vs usual care

Systolic blood pressure · patients with preoperative anxiety

1 finding from 1 review

Music interventions for preoperative anxiety 2013 · Cochrane Headline outcomes only
no estimate extracted
14 studies · 809 participants
Very low

Music‐based therapeutic interventions vs usual care

Diastolic blood pressure · patients with preoperative anxiety

1 finding from 1 review

Music interventions for preoperative anxiety 2013 · Cochrane Headline outcomes only
no estimate extracted
13 studies · 786 participants
Very low

Preventive opioids vs postincision opioids

Opioid consumption at 24 hours using morphine equivalents Scale from zero to 150 mg · adults undergoing surgery

1 finding from 1 review

Pre‐emptive and preventive opioids for postoperative pain in adults undergoing all types of surgery 2018 · Cochrane Headline outcomes only
no estimate extracted
11 studies · 526 participants
Very low