Cochrane · systematic review · CD012212

Supplemental perioperative intravenous crystalloids for postoperative nausea and vomiting

Jewer, JK, Wong, MJ, Bird, SJ, et al. · Cochrane Database of Systematic Reviews · 2019 · Cochrane Library

AnaesthesiaAMSTAR 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
5
current version
GRADE rated
4
No studies
1
Included studies
NR
No studies 1 · 20%Ungraded 0 · 0%Very low 0 · 0%Low 1 · 20%Moderate 3 · 60%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

Supplemental IV crystalloid compared to control IV crystalloid volume for postoperative nausea and vomiting

Population: participants aged 6 months or older undergoing surgical procedures under general anaesthesia
5 questions
OutcomeEffectEvidenceStatus / GRADE
Risk of PON, defined as the presence of subjective nausea, reported dichotomously or based on a study‐defined dichotomous threshold on a continuous scale such as a VAS
Supplemental IV crystalloid vs control IV crystalloid volume
RR 0.62 [0.51, 0.75]18 studies · 1766 participantsModerate
Downgraded: publication bias
Risk of POV, reported dichotomously by any discrete episodes of vomiting
Supplemental IV crystalloid vs control IV crystalloid volume
RR 0.5 [0.4, 0.63]20 studies · 1970 participantsModerate
Downgraded: publication bias
Risk of requiring pharmacologic treatment for PONV, reported dichotomously as the use of any medication intended to treat nausea or vomiting during the postoperative period
Supplemental IV crystalloid vs control IV crystalloid volume
RR 0.62 [0.51, 0.76]23 studies · 2416 participantsModerate
Downgraded: publication bias
Risk of unintended postoperative admission to hospital, reported dichotomously as admission to an inpatient unit of a participant after an intended ambulatory surgical procedure
Supplemental IV crystalloid vs control IV crystalloid volume
RR 1.05 [0.77, 1.43]3 studies · 235 participantsLow
Downgraded: imprecision, inconsistency, publication bias
Risk of suffering a serious adverse event, reported dichotomously as the occurrence of any of: admission to high‐dependency unit, postoperative cardiac or respiratory complication, or death
Supplemental IV crystalloid vs control IV crystalloid volume
no estimate extractedNRNo studies