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
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
Intervention not reported
Apgar scores at 1 minute · low‐risk term pregnant women undergoing elective caesarean section under regional anaesthesia
1 finding from 1 review
Intervention not reported
Apgar scores at 5 minutes · low‐risk term pregnant women undergoing elective caesarean section under regional anaesthesia
1 finding from 1 review
Intervention not reported
Proportion of maternal participants with desaturation1 · low‐risk term pregnant women undergoing elective caesarean section under regional anaesthesia
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
Mean maternal arterial oxygen tension (mm Hg) (PaO2) · low‐risk term pregnant women undergoing elective caesarean section under regional anaesthesia
1 finding from 1 review
Intervention not reported
Mean maternal oxygen saturation (%) · low‐risk term pregnant women undergoing elective caesarean section under regional anaesthesia
1 finding from 1 review
Intervention not reported
Mean oxygen tension (mm Hg) in umbilical artery (UaPO2) · low‐risk term pregnant women undergoing elective caesarean section under regional anaesthesia
1 finding from 1 review
Intervention not reported
Mean oxygen tension (mm Hg) in umbilical vein (UvPO2) · low‐risk term pregnant women undergoing elective caesarean section under regional anaesthesia
1 finding from 1 review
Additional analgesia required (escape analgesia) · patients with postoperative pain
High dose clonidine showed no clear difference in number requiring additional analgesia required postoperatively ‐ all… compared with low dose clonidine (low certainty).
1 finding from 1 review
Number requiring additional analgesia required postoperatively ‐ moderate quality studies · patients with postoperative pain
High dose clonidine may leads to lower number requiring additional analgesia required postoperatively ‐… compared with low dose clonidine (low certainty).
1 finding from 1 review
Postoperative pain score · patients with postoperative pain
1 finding from 1 review
Presence of any TNS –lidocaine vs bupivacaine · adults undergoing surgery
Risk of transient neurological symptoms with spinal lidocaine probably leads to lower presence of any TNS –lidocaine vs bupivacaine compared with other local anaesthetic (moderate certainty).
1 finding from 1 review
Presence of any TNS – lidocaine vs 2‐chloroprocaine · adults undergoing surgery
Risk of transient neurological symptoms with spinal lidocaine showed no clear difference in presence of any TNS – lidocaine vs 2‐chloroprocaine compared with other local anaesthetic (low certainty).
1 finding from 1 review
Presence of any TNS – lidocaine vs levobupivacaine · adults undergoing surgery
Risk of transient neurological symptoms with spinal lidocaine may leads to lower presence of any TNS – lidocaine vs levobupivacaine compared with other local anaesthetic (low certainty).
1 finding from 1 review
Presence of any TNS – lidocaine vs mepivacaine · adults undergoing surgery
It is very uncertain whether risk of transient neurological symptoms with spinal lidocaine changes presence of any TNS – lidocaine vs mepivacaine compared with other local anaesthetic (very low certainty).
1 finding from 1 review
Presence of any TNS – lidocaine vs prilocaine · adults undergoing surgery
Risk of transient neurological symptoms with spinal lidocaine probably leads to lower presence of any TNS – lidocaine vs prilocaine compared with other local anaesthetic (moderate certainty).
1 finding from 1 review
Presence of any TNS – lidocaine vs procaine · adults undergoing surgery
Risk of transient neurological symptoms with spinal lidocaine probably leads to lower presence of any TNS – lidocaine vs procaine compared with other local anaesthetic (moderate certainty).
1 finding from 1 review
Presence of any TNS – lidocaine vs ropivacaine · adults undergoing surgery
Risk of transient neurological symptoms with spinal lidocaine may leads to lower presence of any TNS – lidocaine vs ropivacaine compared with other local anaesthetic (low certainty).
1 finding from 1 review