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Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

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197 questions in 30 reviews · Anaesthesia

current versions
No studies 197 · 100%Ungraded 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

QuestionEffectEvidenceStatus / GRADE
4% articaine, 1:100,000 epinephrine vs 2% lidocaine, 1:100,000 epinephrine
Speed of onset of anaesthesia · Participants of any age and gender undergoing dental procedures, and volunteers who took part in simulated scenario…
Injectable local anaesthetic agents for dental anaesthesia (2018) · Cochrane
SoF: Not measured.0 studiesNo studies
4% articaine, 1:200,000 epinephrine vs 0.5% bupivacaine, 1:200,000 epinephrine
Adverse effects: allergy to local anaesthetic · Participants of any age and gender undergoing dental procedures, and volunteers who took part in simulated scenario…
Injectable local anaesthetic agents for dental anaesthesia (2018) · Cochrane
SoF: Not measured.0 studiesNo studies
0.5% bupivacaine, 1:200,000 epinephrine vs 2% lidocaine, 1:100,000 epinephrine
Duration of anaesthesia · Participants of any age and gender undergoing dental procedures, and volunteers who took part in simulated scenario…
Injectable local anaesthetic agents for dental anaesthesia (2018) · Cochrane
SoF: Not measured.0 studiesNo studies
4% articaine, 1:100,000 epinephrine vs 2% mepivacaine, 1:100,000 epinephrine
Adverse effects: paraesthesia following injection · Participants of any age and gender undergoing dental procedures, and volunteers who took part in simulated scenario…
Injectable local anaesthetic agents for dental anaesthesia (2018) · Cochrane
SoF: Not measured.0 studiesNo studies
0.5% bupivacaine, 1:200,000 epinephrine vs 2% lidocaine, 1:100,000 epinephrine
Adverse effects: paraesthesia following injection · Participants of any age and gender undergoing dental procedures, and volunteers who took part in simulated scenario…
Injectable local anaesthetic agents for dental anaesthesia (2018) · Cochrane
SoF: Not measured.0 studiesNo studies
3% prilocaine, 0.03 IU felypressin vs 2% lidocaine, 1:100,000 epinephrine
Speed of onset of anaesthesia · Participants of any age and gender undergoing dental procedures, and volunteers who took part in simulated scenario…
Injectable local anaesthetic agents for dental anaesthesia (2018) · Cochrane
SoF: Not measured.0 studiesNo studies
3% prilocaine, 0.03 IU felypressin vs 2% lidocaine, 1:100,000 epinephrine
Adverse effects: pain following injection · Participants of any age and gender undergoing dental procedures, and volunteers who took part in simulated scenario…
Injectable local anaesthetic agents for dental anaesthesia (2018) · Cochrane
SoF: Not measured.0 studiesNo studies
2% mepivacaine, 1:100,000 epinephrine vs 2% lidocaine, 1:100,000 epinephrine
Adverse effects: allergy to local anaesthetic · Participants of any age and gender undergoing dental procedures, and volunteers who took part in simulated scenario…
Injectable local anaesthetic agents for dental anaesthesia (2018) · Cochrane
SoF: Not measured.0 studiesNo studies
Intervention NR
Primary outcomes · improving conditions during tracheal intubation or direct laryngoscopy in adults and adolescents
Avoidance versus use of neuromuscular blocking agents for improving conditions during tracheal intubation or… (2017) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Secondary outcomes · improving conditions during tracheal intubation or direct laryngoscopy in adults and adolescents
Avoidance versus use of neuromuscular blocking agents for improving conditions during tracheal intubation or… (2017) · Cochrane
no estimate extractedNRNo studies
Larger traumatic needles vs smaller traumatic needles
Adverse events: paraesthesia ‐ not reported · patients undergoing lumbar punctures with traumatic needles (Quincke, Greene, Hingson Ferguson, Lutz, Brace,…
Needle gauge and tip designs for preventing post‐dural puncture headache (PDPH) (2017) · Cochrane
no estimate extractedNRNo studies
Peripheral nerve blocks vs systemic analgesia
Total number of nerve block‐related complications · adults undergoing elective primary total hip replacement
Nerve blocks or no nerve blocks for pain control after elective hip replacement (arthroplasty) surgery in… (2017) · Cochrane
no estimate extractedNRNo studies
Perineural vs intravenous dexamethasone
Incidence of serious adverse events (we used the NIH definition of adverse events. A serious event includes death, a life‐threatening event that requires hospitalization or prolonged hospitalization, disability or congenital anomaly) · peripheral nerve block
Dexamethasone as an adjuvant to peripheral nerve block (2017) · Cochrane
no estimate extractedNRNo studies
Intravenous dexamethasone vs placebo
Incidence of serious adverse events (we used the NIH definition of adverse events. A serious event includes death, a life‐threatening event that requires hospitalization or prolonged hospitalization, disability or congenital anomaly) · participants undergoing surgery with peripheral nerve block
Dexamethasone as an adjuvant to peripheral nerve block (2017) · Cochrane
no estimate extractedNRNo studies
Sugammadex 2.0 mg/kg vs neostigmine 0.05 mg/kg
Recovery timea from post‐tetanic count (PTC) · adult patients, ASA I to IV, who received non‐depolarizing NMBAs
Efficacy and safety of sugammadex versus neostigmine in reversing neuromuscular blockade in adults (2017) · Cochrane
no estimate extractedNRNo studies
Sugammadex 2.0 mg/kg vs neostigmine 0.05 mg/kg
Risks of adverse events and serious adverse eventsb, bradycardia, PONV, and signs of residual neuromuscular blockade · adult patients, ASA I to IV, who received non‐depolarizing NMBAs
Efficacy and safety of sugammadex versus neostigmine in reversing neuromuscular blockade in adults (2017) · Cochrane
no estimate extractedNRNo studies
Sugammadex 4.0 mg/kg vs neostigmine 0.07 mg/kg
Recovery timea from second twitch (T2) to train‐of‐four ratio (TOFR) > 0.9 (moderate block) · adult patients, ASA I to IV, who received non‐depolarizing NMBAs
Efficacy and safety of sugammadex versus neostigmine in reversing neuromuscular blockade in adults (2017) · Cochrane
no estimate extractedNRNo studies
Sugammadex 4.0 mg/kg vs neostigmine 0.07 mg/kg
Risk of adverse events and serious adverse eventsb, bradycardia, PONV, and signs of residual neuromuscular blockade · adult patients, ASA I to IV, who received non‐depolarizing NMBAs
Efficacy and safety of sugammadex versus neostigmine in reversing neuromuscular blockade in adults (2017) · Cochrane
no estimate extractedNRNo studies
Sugammadex (any dose) vs neostigmine (any dose)
Recovery timea from second twitch (T2) to train‐of‐four ratio (TOFR) > 0.9 (moderate block) · Adult patients, ASA I‐IV, who received non‐depolarizing NMBAs
Efficacy and safety of sugammadex versus neostigmine in reversing neuromuscular blockade in adults (2017) · Cochrane
no estimate extractedNRNo studies
Sugammadex (any dose) vs neostigmine (any dose)
Recovery timea from post‐tetanic count (PTC) · Adult patients, ASA I‐IV, who received non‐depolarizing NMBAs
Efficacy and safety of sugammadex versus neostigmine in reversing neuromuscular blockade in adults (2017) · Cochrane
no estimate extractedNRNo studies
Protocol using standard measures such as CVP vs usual care
Return to pre‐fracture accommodation/return to pre‐fracture mobility · patients with perioperative fluid optimization
Perioperative fluid volume optimization following proximal femoral fracture (2016) · Cochrane
no estimate extractedNRNo studies
Advanced haemodynamic monitoring vs protocol using standard measures such
Return to pre‐fracture accommodation/return to pre‐fracture mobility · patients with proximal femoral fracture
Perioperative fluid volume optimization following proximal femoral fracture (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Proportion of maternal participants with desaturation1 · low‐risk term pregnant women undergoing elective caesarean section under regional anaesthesia
Supplemental oxygen for caesarean section during regional anaesthesia (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse effects of intraoperative wakefulness and/or postoperative awareness (i.e. post‐traumatic stress syndrome, myocardial infarction, cardiac arrest, etc.) · patients with decreasing recall of events during surgery
Anaesthetic interventions for prevention of awareness during surgery (2016) · Cochrane
no estimate extractedNRNo studies
Anaesthesia depth monitors (BIS and M‐entropy) vs standard clinical and electronic monitoring
Adverse effects of intraoperative wakefulness and/or postoperative awareness (i.e. post‐traumatic stress syndrome, myocardial infarction, cardiac arrest, etc.) · patients with prevention of recall of events during surgery
Anaesthetic interventions for prevention of awareness during surgery (2016) · Cochrane
no estimate extractedNRNo studies
Anaesthesia depth monitors (BIS) vs standard clinical and electronic monitoring
Adverse effects of intraoperative wakefulness and/or postoperative awareness (i.e. post‐traumatic stress syndrome, myocardial infarction, cardiac arrest, etc.) · patients with prevention of recall of events during surgery
Anaesthetic interventions for prevention of awareness during surgery (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse effects of intraoperative wakefulness and/or postoperative awareness (i.e. post‐traumatic stress syndrome, myocardial infarction, cardiac arrest, etc.) · patients with prevention of recall of events during surgery
Anaesthetic interventions for prevention of awareness during surgery (2016) · Cochrane
no estimate extractedNRNo studies
Thiopentone and ketamine vs benzodiazepines (diazepam, midazolam, lorazepam)
Adverse effects of intraoperative wakefulness and/or postoperative awareness (i.e. post‐traumatic stress syndrome, myocardial infarction, cardiac arrest, etc.) · patients with prevention of recall of events during surgery
Anaesthetic interventions for prevention of awareness during surgery (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Risk of hypothermia ‐ not reported · adults undergoing surgery.
Intravenous nutrients for preventing inadvertent perioperative hypothermia in adults (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Major cardiovascular event ‐ not reported · adults undergoing surgery.
Intravenous nutrients for preventing inadvertent perioperative hypothermia in adults (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Time to first passage of stool (hours, MD, 95% CI) · adults having abdominal surgery
Perioperative dexmedetomidine for acute pain after abdominal surgery in adults (2016) · Cochrane
no estimate extractedNRNo studies
Lidocaine vs lidocaine with adrenaline
Adverse outcomes · patients with digital nerve blocks
Adrenaline with lidocaine for digital nerve blocks (2015) · Cochrane
no estimate extractedNRNo studies
Lidocaine vs lidocaine with adrenaline
Cost analysis · patients with digital nerve blocks
Adrenaline with lidocaine for digital nerve blocks (2015) · Cochrane
no estimate extractedNRNo studies
Lidocaine vs lidocaine with adrenaline
Duration of postoperative pain relief · patients with digital nerve blocks
Adrenaline with lidocaine for digital nerve blocks (2015) · Cochrane
no estimate extractedNRNo studies
Alpha‐2 adrenergic agonist vs placebo/control
Incidence of core hypothermia ‐ not measured · people with surgical requirement for general anaesthesia
Alpha‐2 adrenergic agonists for the prevention of shivering following general anaesthesia (2015) · Cochrane
no estimate extractedNRNo studies
Alpha‐2 adrenergic agonist vs placebo/control
Participant satisfaction/experience of shivering ‐ not measured · people with surgical requirement for general anaesthesia
Alpha‐2 adrenergic agonists for the prevention of shivering following general anaesthesia (2015) · Cochrane
no estimate extractedNRNo studies
Sedation (sedative agents administered via any route) vs General anaesthesia
Outcome NR · Children and adolescents younger than 18 years having dental treatment (fillings, pulp treatment or tooth extraction);…
Sedation versus general anaesthesia for provision of dental treatment to patients younger than 18 years (2015) · Cochrane
no estimate extracted0 studiesNo studies
Intervention NR
Mean temperature difference (60 minutes after warming started): not reported · adults with postoperative hypothermia
Interventions for treating inadvertent postoperative hypothermia (2014) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Rate of rewarming: not reported · adults with postoperative hypothermia
Interventions for treating inadvertent postoperative hypothermia (2014) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Major cardiovascular complications: not reported · adults with postoperative hypothermia
Interventions for treating inadvertent postoperative hypothermia (2014) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Major cardiovascular complications: not reported · adults with postoperative hypothermia
Interventions for treating inadvertent postoperative hypothermia (2014) · Cochrane
no estimate extractedNRNo studies
FNB (any type) vs local infiltration analgesia
Neurological injury: not reported · patients with knee replacement surgery
Femoral nerve blocks for acute postoperative pain after knee replacement surgery (2014) · Cochrane
no estimate extractedNRNo studies
FNB (any type) vs local infiltration analgesia
Participant satisfaction with analgesia Scale from zero to 10 · patients with knee replacement surgery
Femoral nerve blocks for acute postoperative pain after knee replacement surgery (2014) · Cochrane
no estimate extractedNRNo studies
Continuous FNB vs single‐shot FNB
Neurological injury: not reported · patients with knee replacement surgery
Femoral nerve blocks for acute postoperative pain after knee replacement surgery (2014) · Cochrane
no estimate extractedNRNo studies
Continuous FNB vs single‐shot FNB
Participant satisfaction with analgesia: not reported · patients with knee replacement surgery
Femoral nerve blocks for acute postoperative pain after knee replacement surgery (2014) · Cochrane
no estimate extractedNRNo studies
Perioperative statins vs placebo or no treatment
Participant‐reported outcomes-not measured · participants with improving outcomes during and after noncardiac vascular surgery.
Perioperative statin therapy for improving outcomes during and after noncardiac vascular surgery (2013) · Cochrane
no estimate extractedNRNo studies
PLMA vs tracheal tube
Serious respiratory complications and mortality-not reported · airway management during general anaesthesia in obese participants
Supraglottic airway devices versus tracheal intubation for airway management during general anaesthesia in… (2013) · Cochrane
no estimate extractedNRNo studies