Cochrane · systematic review · CD005143

Hyperbaric versus isobaric bupivacaine for spinal anaesthesia for caesarean section

Sng, BL, Siddiqui, FJ, Leong, WL, et al. · Cochrane Database of Systematic Reviews · 2016 · Cochrane Library

Anaesthesia2 versionsAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
7
current version
GRADE rated
7
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 3 · 42.9%Low 2 · 28.6%Moderate 2 · 28.6%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.

Questions and results

Current version only

Hyperbaric bupivacaine compared to Isobaric bupivacaine for spinal anaesthesia for caesarean section

Population: women with spinal anaesthesia for caesarean section
CD005143.PUB3 (current) · 7 questions
OutcomeEffectEvidenceStatus / GRADE
Conversion to GA4
Hyperbaric bupivacaine vs Isobaric bupivacaine
RR 0.33 [0.09, 1.17]10 studies · 614 participantsVery low
Downgraded: risk of bias
Supplemental analgesia5
Hyperbaric bupivacaine vs Isobaric bupivacaine
RR 0.61 [0.26, 1.41]9 studies · 554 participantsVery low
Downgraded: risk of bias
Requirement for ephedrine6
Hyperbaric bupivacaine vs Isobaric bupivacaine
RR 0.89 [0.57, 1.38]4 studies · 256 participantsVery low
Downgraded: risk of bias
Nausea and vomiting7
Hyperbaric bupivacaine vs Isobaric bupivacaine
RR 0.99 [0.57, 1.72]7 studies · 433 participantsLow
Downgraded: risk of bias
Headache8 Participant‐reported
Hyperbaric bupivacaine vs Isobaric bupivacaine
OR 1.82 [0.47, 6.99]3 studies · 234 participantsLow
Downgraded: risk of bias
Time to dermatomal block T4 block (mins)
Hyperbaric bupivacaine vs Isobaric bupivacaine
no estimate extracted2 studies · 128 participantsModerate
Downgraded: risk of bias
Amount of ephedrine used(mg/person)
Hyperbaric bupivacaine vs Isobaric bupivacaine
no estimate extracted6 studies · 386 participantsModerate
Downgraded: risk of bias

Comparison

Population: Pregnant women undergoing spinal anaesthesia for caesarean section
CD005143.PUB2 · 6 questions
OutcomeEffectEvidenceStatus / GRADE
Conversion to GA
no estimate extracted6 studies · 394 participantsLow
Downgraded: imprecision
Supplemental Analgesia
no estimate extracted6 studies · 394 participantsLow
Downgraded: imprecision
Requirement of ephedrine
no estimate extracted3 studies · 197 participantsLow
Downgraded: imprecision
Nausea and Vomiting
no estimate extracted5 studies · 335 participantsModerate
Downgraded: imprecision
Headache
no estimate extracted3 studies · 234 participantsLow
Downgraded: imprecision
High block C8
no estimate extracted3 studies · 206 participantsModerate
Downgraded: imprecision