Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,760 questions · 8,065 findings · 1,036 reviews

No studies found 1,686 · 20.9%GRADE not reported 675 · 8.4%Very low 1,953 · 24.2%Low 2,048 · 25.4%Moderate 1,296 · 16.1%High 407 · 5%

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Perioperative beta‐blockers vs placebo or usual care

Early all‐cause mortality (within 30 days) · adults undergoing non‐cardiac surgery under general anaesthesia (to include: low‐risk, medium‐risk, and high‐risk surgeries)

Perioperative beta‐blockers showed no clear difference in early all‐cause mortality (within 30 days) compared with placebo or standard care (low certainty).

1 finding from 1 review

Perioperative beta‐blockers vs placebo or usual care

Myocardial infarction (0 to 30 days) · adults undergoing non‐cardiac surgery under general anaesthesia (to include: low‐risk, medium‐risk, and high‐risk surgeries)

Perioperative beta‐blockers may leads to lower acute myocardial infarction (within 30 days) compared with placebo or standard care (low certainty).

1 finding from 1 review

Perioperative beta‐blockers vs placebo or usual care

Cerebrovascular events (within 30 days) · adults undergoing non‐cardiac surgery under general anaesthesia (to include: low‐risk, medium‐risk, and high‐risk surgeries)

Perioperative beta‐blockers showed no clear difference in cerebrovascular events (within 30 days) compared with placebo or standard care (low certainty).

1 finding from 1 review

Perioperative beta‐blockers vs placebo or usual care

Ventricular arrhythmias (within 30 days) · adults undergoing non‐cardiac surgery under general anaesthesia (to include: low‐risk, medium‐risk, and high‐risk surgeries)

It is very uncertain whether perioperative beta‐blockers changes ventricular arrhythmias (within 30 days) compared with placebo or standard care (very low certainty).

1 finding from 1 review

Perioperative beta‐blockers vs placebo or usual care

Atrial fibrillation or atrial flutter, or both (within 30 days) · adults undergoing non‐cardiac surgery under general anaesthesia (to include: low‐risk, medium‐risk, and high‐risk surgeries)

Perioperative beta‐blockers may leads to lower atrial fibrillation or atrial flutter, or both (within 30 days) compared with placebo or standard care (low certainty).

1 finding from 1 review

Perioperative beta‐blockers vs placebo or usual care

Bradycardia · adults undergoing non‐cardiac surgery under general anaesthesia (to include: low‐risk, medium‐risk, and high‐risk surgeries)

Perioperative beta‐blockers may leads to higher bradycardia (within 30 days; as defined by study authors, minimum… compared with placebo or standard care (low certainty).

1 finding from 1 review

Perioperative beta‐blockers vs placebo or usual care

Hypotension · adults undergoing non‐cardiac surgery under general anaesthesia (to include: low‐risk, medium‐risk, and high‐risk surgeries)

Perioperative beta‐blockers probably leads to higher hypotension (within 30 days; as defined by study authors, minimum… compared with placebo or standard care (moderate certainty).

1 finding from 1 review

Individualised oral care plan based on a multidisciplinary assessment vs usual care

Plaque · Adults aged 22 to 57 years with mixed levels of ID; setting residential
1 finding from 1 review
  • Oral hygiene interventions for people with intellectual disabilities 2019 · Cochrane All outcomes
    Medium term (6 weeks to 12 months)
    Individualised oral care plan vs usual care. Subjective Oral Hygiene Rating scale 1-5 and Improvement Differential, mean 12 months; SOHR 2.97 (intervention) vs 3.10 (control); improvement differential 38% vs 5%; 79…
    1 study · 79 participants
    Very low

Intervention not reported

Pulmonary embolism · Patients hospitalised following acute myocardial infarction

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Adverse effects and complications · Patients hospitalised following acute myocardial infarction

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Deep vein thrombosis (DVT) · Patients hospitalised following acute myocardial infarction

The intervention may leads to lower deep vein thrombosis (DVT) (low certainty).

1 finding from 1 review