Question · asked by 1 review

Beta‐blockers vs control—cardiac surgery: Cerebrovascular events—cardiac surgery

Population
patients with coronary heart disease and/or valvular heart disease
Intervention
Beta‐blockers
Comparison
control—cardiac surgery
Outcome
Cerebrovascular events—cardiac surgery

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

What each review found

Include earlier review versions
FindingEffectStudiesGRADE certainty
Beta‐blocker vs control—cardiac surgery
Cerebrovascular events—cardiac surgery · patients with coronary heart disease and/or valvular heart disease
Beta‐blocker showed no clear difference in cerebrovascular events—cardiac surgery compared with control—cardiac surgery (low certainty).
Perioperative beta‐blockers for preventing surgery‐related mortality and morbidity (2018) · Cochrane Headline outcomes only
RR 1.52 [0.58, 4.02]4 studies · 1400 participantsLow

Findings are shown side by side, never pooled across reviews.

The reviews

ReviewSearched up toIncluded studiesAMSTAR 2
Perioperative beta‐blockers for preventing surgery‐related mortality and morbidity
2018 · Cochrane Headline outcomes only
Not reportedNot extractedNot assessed
How reviews are matched to this question

Reviews word the same question differently. Four decision models (TypeSafe's Jev, Liquid AI's d1-ultra, SubQ Snap and Baseten's Elephant) judged each wording of the population, intervention, comparator and outcome against the others; two wordings count as the same when at least three of them agree and none clearly disagrees, and findings count as this question only when all four elements match. Timing, setting and subgroup never split a question: they are shown on each finding.