Findings

What do systematic reviews say?

5 questions · 5 findings · 1 reviews · Anaesthesia · Headline outcomes only

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 2 · 40%Moderate 3 · 60%High 0 · 0%

Intervention not reported

Postoperative delirium (POD) within 7 days (As assessed by any method such as the Mini‐Mental State Examination (MMSE) and Confusion Assessment Method (CAM) in the first week after operation) · adults aged 18 years or over undergoing general anaesthesia for non‐cardiac or non‐neurosurgical elective operations

The intervention probably leads to lower postoperative delirium (POD) within 7 days (As assessed by any… (moderate certainty).

1 finding from 1 review

Processed electroencephalogram and evoked potential techniques for amelioration of postoperative delirium and… 2018 · Cochrane Headline outcomes only
RR 0.71 [0.59, 0.85]
3 studies · 2197 participants
Moderate

Intervention not reported

Postoperative cognitive dysfunction (POCD) (As determined by any method of assessing POCD including a battery of neuropsychological tests according to the criteria described by the International Study of Postoperative Cognitive Dysfunction (ISPOCD)) · adults aged 18 years or over undergoing general anaesthesia for non‐cardiac or non‐neurosurgical elective operations

The intervention showed no clear difference in postoperative cognitive dysfunction (POCD) (As determined by any… (moderate certainty).

1 finding from 1 review

Processed electroencephalogram and evoked potential techniques for amelioration of postoperative delirium and… 2018 · Cochrane Headline outcomes only
RR 0.84 [0.69, 1.02]
3 studies · 1989 participants
Moderate

Intervention not reported

All‐cause mortality · adults aged 18 years or over undergoing general anaesthesia for non‐cardiac or non‐neurosurgical elective operations

The intervention showed no clear difference in all‐cause mortality (low certainty).

1 finding from 1 review

Processed electroencephalogram and evoked potential techniques for amelioration of postoperative delirium and… 2018 · Cochrane Headline outcomes only
RR 1.01 [0.62, 1.64]
1 study · 1155 participants
Low

Intervention not reported

Any postoperative complication · adults aged 18 years or over undergoing general anaesthesia for non‐cardiac or non‐neurosurgical elective operations

The intervention probably leads to lower any postoperative complication (moderate certainty).

1 finding from 1 review

Processed electroencephalogram and evoked potential techniques for amelioration of postoperative delirium and… 2018 · Cochrane Headline outcomes only
RR 0.51 [0.37, 0.71]
1 study · 902 participants
Moderate

Intervention not reported

Postoperative length of stay (days) · adults aged 18 years or over undergoing general anaesthesia for non‐cardiac or non‐neurosurgical elective operations

1 finding from 1 review

Processed electroencephalogram and evoked potential techniques for amelioration of postoperative delirium and… 2018 · Cochrane Headline outcomes only
no estimate extracted
1 study · 1155 participants
Low