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Evidence found and GRADE certainty

28 questions · 28 findings · 3 reviews · Anaesthesia

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 2 · 7.1%Low 16 · 57.1%Moderate 6 · 21.4%High 4 · 14.3%

Beta‐blockers vs control—cardiac surgery

Acute myocardial infarction—cardiac surgery · patients with coronary heart disease and/or valvular heart disease

Beta‐blocker showed no clear difference in acute myocardial infarction—cardiac surgery compared with control—cardiac surgery (moderate certainty).

1 finding from 1 review

Beta‐blockers vs control—cardiac surgery

Ventricular arrhythmias—cardiac surgery ECG · patients with coronary heart disease and/or valvular heart disease

Beta‐blocker probably leads to lower ventricular arrhythmias—cardiac surgery ECG compared with control—cardiac surgery (moderate certainty).

1 finding from 1 review

Beta‐blockers vs control—cardiac surgery

All supraventricular arrhythmias—cardiac surgery ECG · patients with coronary heart disease and/or valvular heart disease

Beta‐blocker leads to lower all supraventricular arrhythmias—cardiac surgery ECG compared with control—cardiac surgery (high certainty).

1 finding from 1 review

Beta‐blockers vs control—non‐cardiac surgery

All‐cause mortality (30 days)—non‐cardiac surgery · patients with conditions requiring non‐cardiac surgery

Beta‐blocker showed no clear difference in all‐cause mortality (30 days)—non‐cardiac surgery compared with control—non‐cardiac surgery (low certainty).

1 finding from 1 review

Beta‐blockers vs control—non‐cardiac surgery

Acute myocardial infarction—non‐cardiac surgery · patients with conditions requiring non‐cardiac surgery

Beta‐blocker leads to lower acute myocardial infarction—non‐cardiac surgery compared with control—non‐cardiac surgery (high certainty).

1 finding from 1 review