Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

11 questions · 11 findings · 4 reviews · Heart

No studies found 5 · 45.5%GRADE not reported 0 · 0%Very low 4 · 36.4%Low 1 · 9.1%Moderate 1 · 9.1%High 0 · 0%

Summary of findings for the main comparison. Implantable loop recorder vs conventional diagnostic workup

All‐cause long‐term mortality · people with unexplained recurrent syncope

It is very uncertain whether summary of findings for the main comparison. Implantable loop recorder changes all‐cause long‐term mortality compared with conventional diagnostic workup (very low certainty).

1 finding from 1 review

Cells vs no cells

All‐cause mortality ‐ long‐term · Anyone diagnosed with AMI

Cells showed no clear difference in all‐cause mortality ‐ long‐term compared with no cells (moderate certainty).

1 finding from 1 review

Levosimendan vs placebo

All‐cause long‐term mortality: range 4 to 6 months · adults with cardiogenic shock or low cardiac output syndrome

It is very uncertain whether levosimendan changes all‐cause long‐term mortality: range 4 to 6 months compared with placebo (very low certainty).

1 finding from 1 review

Levosimendan vs dobutamine

All‐cause long‐term mortality: range 4 to 12 months · people with cardiogenic shock or low cardiac output syndrome

Levosimendan showed no clear difference in all‐cause long‐term mortality: range 4 to 12 months compared with dobutamine (low certainty).

1 finding from 1 review

Complete revascularisation vs culprit‐only revascularisation

Long‐term all‐cause mortality (≥ 1 year after the intervention) · people with STEMI and MVD.

It is very uncertain whether complete revascularisation changes long‐term all‐cause mortality (≥ 1 year after the intervention) compared with culprit‐only revascularisation (very low certainty).

1 finding from 1 review