Findings

What do systematic reviews say?

3 questions · 3 findings · 2 reviews

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 2 · 66.7%Moderate 1 · 33.3%High 0 · 0%

All‐cause mortality · adults in sinus rhythm after cardioversion of atrial fibrillation

Metoprolol showed no clear difference in all‐cause mortality compared with placebo or no treatment (moderate certainty).

1 finding from 1 review

Antiarrhythmics for maintaining sinus rhythm after cardioversion of atrial fibrillation 2019 · Cochrane Headline outcomes only
RR 2.02 [0.37, 11.1]
2 studies · 562 participants
Moderate

All‐cause mortality, 30 days1 · patients of any age with AAA less than 30 mm in diameter

Metoprolol showed no clear difference in all‐cause mortality, 30 days1 compared with placebo (low certainty).

1 finding from 1 review

All‐cause mortality, 6 months1 · patients of any age with AAA less than 30 mm in diameter

Metoprolol showed no clear difference in all‐cause mortality, 6 months1 compared with placebo (low certainty).

1 finding from 1 review