Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

11 questions · 11 findings · 3 reviews · Heart

No studies found 5 · 45.5%GRADE not reported 0 · 0%Very low 3 · 27.3%Low 2 · 18.2%Moderate 1 · 9.1%High 0 · 0%

Prophylactic corticosteroids vs placebo or no corticosteroids

Mortality within the longest · adults diagnosed with coronary artery disease or cardiac valve disease, and candidates for cardiac surgery with cardiopulmonary bypass

Prophylactic corticosteroids showed no clear difference in all‐cause mortality (during the index hospital admission, or within… compared with placebo or no corticosteroids (low certainty).

1 finding from 1 review

Lidocaine vs tocainide

All‐cause mortality · patients with myocardial infarction

It is very uncertain whether lidocaine changes all‐cause mortality compared with tocainide (very low certainty).

1 finding from 1 review

Lidocaine vs mexiletine

All‐cause mortality · patients with myocardial infarction

It is very uncertain whether lidocaine changes all‐cause mortality compared with mexiletine (very low certainty).

1 finding from 1 review

Lidocaine vs disopyramide

All‐cause mortality · patients with myocardial infarction

It is very uncertain whether lidocaine changes all‐cause mortality compared with disopyramide (very low certainty).

1 finding from 1 review