Length of critical care stay (hours) · adults undergoing brain surgery
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Intervention not reported
All‐cause mortality (within 30 days) · adults undergoing cardiac surgery under general anaesthesia
The intervention showed no clear difference in all‐cause mortality (within 30 days) (low certainty).
1 finding from 1 review
Intervention not reported
Acute myocardial infarction (within 30 days) · adults undergoing cardiac surgery under general anaesthesia
The intervention showed no clear difference in acute myocardial infarction (within 30 days) (low certainty).
1 finding from 1 review
Intervention not reported
Cerebrovascular events (within 30 days) · adults undergoing cardiac surgery under general anaesthesia
It is very uncertain whether the intervention changes cerebrovascular events (within 30 days) (very low certainty).
1 finding from 1 review
Intervention not reported
Ventricular arrhythmias (within 30 days) · adults undergoing cardiac surgery under general anaesthesia
The intervention may leads to lower ventricular arrhythmias (within 30 days) (low certainty).
1 finding from 1 review
Intervention not reported
Atrial fibrillation or flutter, or both (within 30 days) · adults undergoing cardiac surgery under general anaesthesia
The intervention may leads to lower atrial fibrillation or flutter, or both (within 30 days) (low certainty).
1 finding from 1 review
Intervention not reported
Bradycardia (within 30 days; as defined by study authors, minimum heart rate < 60 beats per minute or requiring medication) · adults undergoing cardiac surgery under general anaesthesia
The intervention showed no clear difference in bradycardia (within 30 days; as defined by study authors, minimum… (low certainty).
1 finding from 1 review
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
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
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
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
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
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
All‐cause mortality (within 30‐days after surgery: any reported death) · adults undergoing non‐cardiac surgery
1 finding from 1 review
Acute stroke (within 30‐days after surgery: new focal neurologic deficit with signs and symptoms lasting longer than 24 hours) · adults undergoing cardiac surgery
Alpha‐2 adrenergic agonists may leads to lower acute stroke (within 30‐days after surgery: new focal neurologic… compared with control (low certainty).
1 finding from 1 review
Bradycardia (requiring pharmacological or pacemaker treatment during the period of study drug administration) · adults undergoing cardiac surgery
Alpha‐2 adrenergic agonists probably leads to higher bradycardia (requiring pharmacological or pacemaker treatment during… compared with control (moderate certainty).
1 finding from 1 review
Cardiac mortality · adults undergoing non‐cardiac surgery
1 finding from 1 review
Myocardial infarction (within 30‐days after surgery: as detected on an electrocardiogram or trans‐oesophageal echocardiogram) · adults undergoing non‐cardiac surgery
1 finding from 1 review
Acute stroke (within 30‐days after surgery: new focal neurologic deficit with signs and symptoms lasting longer than 24 hours) · adults undergoing non‐cardiac surgery
1 finding from 1 review
Bradycardia (requiring pharmacological or pacemaker treatment during the period of study drug administration) · adults undergoing non‐cardiac surgery
1 finding from 1 review