Cochrane · systematic review · CD008019
Mechanical dilatation of the cervix during elective caesarean section before the onset of labour for reducing postoperative morbidity
Liabsuetrakul, T, Peeyananjarassri, K · Cochrane Database of Systematic Reviews · 2018 · Cochrane Library
Pregnancy and ChildbirthAMSTAR 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 0 · 0%Low 7 · 100%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.
Questions and results
Cervical dilatation versus no dilatation for reducing postoperative morbidity
Population: women with non‐labour caesarean section
| Outcome | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Postpartum haemorrhage (blood loss at least 1000 mL;immediately post section or delayed, visual estimation) Cervical dilatation vs no dilatation | RR 1.97 [0.48, 8.13] | 1 study · 447 participants | Low Downgraded: risk of bias |
Need for blood transfusion (within 24 hours post caesarean section) Cervical dilatation vs no dilatation | RR 3.54 [0.37, 33.79] | 2 studies · 847 participants | Low Downgraded: risk of bias |
Drop from baseline haemoglobin > 0.5 g/dL Cervical dilatation vs no dilatation | RR 0.92 [0.64, 1.31] | 2 studies · 722 participants | Low Downgraded: risk of bias |
Secondary postpartum haemorrhage (within 6 weeks postpartum) Cervical dilatation vs no dilatation | RR 1.18 [0.07, 18.76] | 1 study · 447 participants | Low Downgraded: risk of bias |
Febrile morbidity (at least 38° Celsius, measured on 2/10 days postpartum) Cervical dilatation vs no dilatation | RR 1.18 [0.76, 1.85] | 7 studies · 2126 participants | Low Downgraded: risk of bias |
Endometritis Cervical dilatation vs no dilatation | RR 0.94 [0.35, 2.52] | 4 studies · 1536 participants | Low Downgraded: risk of bias |
Uterine subinvolution Cervical dilatation vs no dilatation | RR 0.34 [0.08, 1.36] | 2 studies · 654 participants | Low Downgraded: risk of bias |