Question · asked by 1 review

Umbilical artery Doppler ultrasound vs no Doppler ultrasound: Any perinatal death after randomisation

Umbilical artery Doppler ultrasound probably leads to lower any perinatal death after randomisation compared with no Doppler ultrasound (moderate certainty).

What each review found

Include earlier review versions
FindingEffectStudiesGRADE certainty
Umbilical artery Doppler ultrasound vs no Doppler ultrasound
Any perinatal death after randomisation · pregnant women at increased risk of fetal complications
Umbilical artery Doppler ultrasound probably leads to lower any perinatal death after randomisation compared with no Doppler ultrasound (moderate certainty).
Fetal and umbilical Doppler ultrasound in high‐risk pregnancies (2017) · Cochrane Headline outcomes only
RR 0.71 [0.52, 0.98]16 studies · 10225 participantsModerate

Findings are shown side by side, never pooled across reviews.

The reviews

ReviewSearched up toIncluded studiesAMSTAR 2
Fetal and umbilical Doppler ultrasound in high‐risk pregnancies
2017 · Cochrane Headline outcomes only
Not reportedlist not extracted yetNot assessed

Studies behind the findings

None of these reviews ties its included studies to this outcome in the data here. Cochrane reviews and reviews with headline outcomes only do not list their studies yet.

How reviews are matched to this question

Reviews word the same question differently. Four decision models (TypeSafe's Jev, Liquid AI's d1-ultra, SubQ Snap and Baseten's Elephant) judged each wording of the population, intervention, comparator and outcome against the others; two wordings count as the same when at least three of them agree and none clearly disagrees, and findings count as this question only when all four elements match. Timing, setting and subgroup never split a question: they are shown on each finding.