Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

884 questions · 892 findings · 68 reviews · Anaesthesia

No studies found 118 · 13.2%GRADE not reported 156 · 17.5%Very low 187 · 21%Low 270 · 30.3%Moderate 119 · 13.3%High 42 · 4.7%

Intervention not reported

Number of participants receiving transfusion with allogeneic blood: aprotinin vs placebo · children undergoing surgery for scoliosis

It is very uncertain whether the intervention changes number of participants receiving transfusion with allogeneic blood:… (very low certainty).

1 finding from 1 review

Intervention not reported

Number of participants receiving blood transfusion: antifibrinolytics vs placebo · children undergoing surgery for scoliosis

It is very uncertain whether the intervention changes number of participants receiving blood transfusion:… (very low certainty).

1 finding from 1 review

Intervention not reported

Number of participants receiving blood transfusion: aminocaproic acid vs placebo · children undergoing surgery for scoliosis

It is very uncertain whether the intervention changes number of participants receiving blood transfusion: aminocaproic… (very low certainty).

1 finding from 1 review

Intervention not reported

Number of participants receiving blood transfusion: aprotinin vs placebo · children undergoing surgery for scoliosis

It is very uncertain whether the intervention changes number of participants receiving blood transfusion: aprotinin vs… (very low certainty).

1 finding from 1 review

Intervention not reported

Number of participants receiving blood transfusion: tranexamic acid vs placebo · children undergoing surgery for scoliosis

It is very uncertain whether the intervention changes number of participants receiving blood transfusion: tranexamic acid… (very low certainty).

1 finding from 1 review

Anaesthesia depth monitors (BIS and M‐entropy) vs standard monitoring

Awareness Postoperative interview · patients with prevention of recall of events during surgery

Anaesthesia depth monitors (BIS and M‐entropy) showed no clear difference in awareness Postoperative interview compared with standard clinical and electronic monitoring (low certainty).

1 finding from 1 review

Intervention not reported

Awareness Postoperative interview1 · patients with decreasing recall of events during surgery

It is very uncertain whether the intervention changes awareness Postoperative interview1 (very low certainty).

1 finding from 1 review

Intervention not reported

Adverse effects of intraoperative wakefulness and/or postoperative awareness (i.e. post‐traumatic stress syndrome, myocardial infarction, cardiac arrest, etc.) · patients with decreasing recall of events during surgery

The review found no eligible studies for this question.

1 finding from 1 review

Anaesthesia depth monitors (BIS and M‐entropy) vs standard monitoring

Adverse effects of intraoperative wakefulness and/or postoperative awareness (i.e. post‐traumatic stress syndrome, myocardial infarction, cardiac arrest, etc.) · patients with prevention of recall of events during surgery

The review found no eligible studies for this question.

1 finding from 1 review

Anaesthesia depth monitors (BIS) vs standard monitoring

Awareness: definite and possible Postoperative interview · patients with prevention of recall of events during surgery

Anaesthesia depth monitors (BIS) showed no clear difference in awareness: definite and possible Postoperative interview compared with standard clinical and electronic monitoring (low certainty).

1 finding from 1 review

Anaesthesia depth monitors (BIS) vs standard monitoring

Awareness: definite Postoperative interview · patients with prevention of recall of events during surgery

Anaesthesia depth monitors (BIS) showed no clear difference in awareness: definite Postoperative interview compared with standard clinical and electronic monitoring (low certainty).

1 finding from 1 review

Anaesthesia depth monitors (BIS) vs standard monitoring

Adverse effects of intraoperative wakefulness and/or postoperative awareness (i.e. post‐traumatic stress syndrome, myocardial infarction, cardiac arrest, etc.) · patients with prevention of recall of events during surgery

The review found no eligible studies for this question.

1 finding from 1 review