Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

98 questions · 102 findings · 13 reviews

No studies found 10 · 9.8%GRADE not reported 1 · 1%Very low 16 · 15.7%Low 45 · 44.1%Moderate 25 · 24.5%High 5 · 4.9%

Beta‐blockers vs placebo

Global Impressions scale change item (CGI‐I or similar): no. of responders (acute phase) · adults with SAnD

It is very uncertain whether comparison 6: beta‐blockers changes global Impressions scale change item (CGI‐I or similar): no. of… compared with placebo (very low certainty).

1 finding from 1 review

Beta‐blockers vs control—cardiac surgery

All‐cause mortality (30 days)—cardiac surgery · patients with coronary heart disease and/or valvular heart disease

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

1 finding from 1 review

Beta‐blockers vs control—non‐cardiac surgery

Cerebrovascular events—non‐cardiac surgery · patients with conditions requiring non‐cardiac surgery

Beta‐blocker showed no clear difference in cerebrovascular events—non‐cardiac surgery compared with control—non‐cardiac surgery (low certainty).

1 finding from 1 review

Beta‐blockers vs control—non‐cardiac surgery

Ventricular arrhythmias—non‐cardiac surgery ECG · patients with conditions requiring non‐cardiac surgery

Beta‐blocker showed no clear difference in ventricular arrhythmias—non‐cardiac surgery ECG compared with control—non‐cardiac surgery (moderate certainty).

1 finding from 1 review

Beta‐blockers vs control—non‐cardiac surgery

All supraventricular arrhythmias—non‐cardiac surgery ECG · patients with conditions requiring non‐cardiac surgery

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

1 finding from 1 review

Beta‐blockers vs control—non‐cardiac surgery

Bradycardia—non‐cardiac surgery ECG · patients with conditions requiring non‐cardiac surgery

Beta‐blocker probably leads to higher bradycardia—non‐cardiac surgery ECG compared with control—non‐cardiac surgery (moderate certainty).

1 finding from 1 review

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