Findings

What do systematic reviews say?

2 questions · 2 findings · 2 reviews · Anaesthesia

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 1 · 50%Low 1 · 50%Moderate 0 · 0%High 0 · 0%

Intervention not reported

Ventricular arrhythmias (within 30 days) · adults undergoing cardiac surgery under general anaesthesia

The intervention may leads to lower ventricular arrhythmias (within 30 days) (low certainty).

1 finding from 1 review

Perioperative beta‐blockers for preventing surgery‐related mortality and morbidity in adults undergoing cardiac surgery 2019 · Cochrane Headline outcomes only
RR 0.4 [0.25, 0.63]
12 studies · 2296 participants
Low

Perioperative beta‐blockers vs placebo or usual care

Ventricular arrhythmias (within 30 days) · adults undergoing non‐cardiac surgery under general anaesthesia (to include: low‐risk, medium‐risk, and high‐risk surgeries)

It is very uncertain whether perioperative beta‐blockers changes ventricular arrhythmias (within 30 days) compared with placebo or standard care (very low certainty).

1 finding from 1 review

Perioperative beta‐blockers for preventing surgery‐related mortality and morbidity in adults undergoing non‐cardiac… 2019 · Cochrane Headline outcomes only
RR 0.72 [0.35, 1.47]
5 studies · 476 participants
Very low