Question · asked by 1 review

Beta‐blockers vs control—non‐cardiac surgery: Ventricular arrhythmias—non‐cardiac surgery ECG

Population
patients with conditions requiring non‐cardiac surgery
Intervention
Beta‐blockers
Comparison
control—non‐cardiac surgery
Outcome
Ventricular arrhythmias—non‐cardiac surgery ECG

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

What each review found

Current versions only
No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 2 · 100%High 0 · 0%
FindingEffectStudiesGRADE certainty
Beta‐blocker 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).
Perioperative beta‐blockers for preventing surgery‐related mortality and morbidity (2018) · Cochrane Headline outcomes only
RR 0.68 [0.31, 1.49]5 studies · 476 participantsModerate
Beta‐blocker 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).
Perioperative beta‐blockers for preventing surgery‐related mortality and morbidity (2014) · Cochrane Headline outcomes onlyearlier version CD004476.PUB2, superseded
RR 0.64 [0.3, 1.33]6 studies · 526 participantsModerate

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.