Findings

What do systematic reviews say?

10 questions · 10 findings · 2 reviews

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No studies found 4 · 40%GRADE not reported 0 · 0%Very low 0 · 0%Low 4 · 40%Moderate 2 · 20%High 0 · 0%

Bispectral index vs clinical signs

Occurrence of intraoperative awareness Time points of measure after surgery: 2 to 6 hours;12 hours; 1 day; 2 days; 3 days; 14 days; 30 days; or time point was not reported Measurement tools: simple questioning; interviews; or structured questionna... · adults undergoing surgery with general anaesthesia

Bispectral index may leads to lower occurrence of intraoperative awareness Time points of measure after… compared with clinical signs (low certainty).

1 finding from 1 review

Bispectral index for improving intraoperative awareness and early postoperative recovery in adults 2019 · Cochrane Headline outcomes only
Peto OR 0.36 [0.21, 0.6]
27 studies · 9765 participants
Low

Bispectral index vs clinical signs

Time to eye opening · adults undergoing surgery with general anaesthesia

1 finding from 1 review

Bispectral index for improving intraoperative awareness and early postoperative recovery in adults 2019 · Cochrane Headline outcomes only
no estimate extracted
22 studies · 1494 participants
Low

Bispectral index vs clinical signs

Time to orientation · adults undergoing surgery with general anaesthesia

1 finding from 1 review

Bispectral index for improving intraoperative awareness and early postoperative recovery in adults 2019 · Cochrane Headline outcomes only
no estimate extracted
6 studies · 273 participants
Low

Bispectral index vs clinical signs

Time to discharge from the PACU (in minutes) · adults undergoing surgery with general anaesthesia

1 finding from 1 review

Bispectral index for improving intraoperative awareness and early postoperative recovery in adults 2019 · Cochrane Headline outcomes only
no estimate extracted
13 studies · 930 participants
Low

Bispectral index vs BIS‐blinded anaesthesia/clinical judgement

Incidence of delirium

Bispectral index (BIS)‐guided anaesthesia probably leads to lower incidence of delirium CAM, DSM‐IV compared with BIS‐blinded anaesthesia/clinical judgement (moderate certainty).

1 finding from 1 review

Interventions for preventing delirium in hospitalised non‐ICU patients 2016 · Cochrane Headline outcomes only
RR 0.71 [0.6, 0.85]
2 studies · 2057 participants
Moderate

Bispectral index vs BIS‐blinded anaesthesia/clinical judgement

Duration of delirium ‐ not measured

The review found no eligible studies for this question.

1 finding from 1 review

Interventions for preventing delirium in hospitalised non‐ICU patients 2016 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Bispectral index vs BIS‐blinded anaesthesia/clinical judgement

Severity of delirium ‐ not measured

The review found no eligible studies for this question.

1 finding from 1 review

Interventions for preventing delirium in hospitalised non‐ICU patients 2016 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Bispectral index vs BIS‐blinded anaesthesia/clinical judgement

Length of hospital stay

1 finding from 1 review

Interventions for preventing delirium in hospitalised non‐ICU patients 2016 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 2057 participants
Moderate

Bispectral index vs BIS‐blinded anaesthesia/clinical judgement

Return to independent living ‐ not measured

The review found no eligible studies for this question.

1 finding from 1 review

Interventions for preventing delirium in hospitalised non‐ICU patients 2016 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Bispectral index vs BIS‐blinded anaesthesia/clinical judgement

In‐hospital mortality ‐ not measured

The review found no eligible studies for this question.

1 finding from 1 review

Interventions for preventing delirium in hospitalised non‐ICU patients 2016 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found