Ultrasound or Doppler guidance vs anatomical landmarks: Overall success rate
Ultrasound or Doppler guidance showed no clear difference in overall success rate compared with anatomical landmark (low certainty).
What each review found
Current versions only| Finding | Effect | Studies | GRADE certainty |
|---|---|---|---|
Ultrasound or Doppler guidance vs anatomical landmark Overall success rate · patients with the need for subclavian vein cannulation for central vein catheterization Ultrasound or Doppler guidance showed no clear difference in overall success rate compared with anatomical landmark (low certainty). Ultrasound guidance versus anatomical landmarks for subclavian or femoral vein catheterization (2015) · Cochrane Headline outcomes only | RR 1.05 [0.97, 1.13] | 8 studies · 1809 participants | Low |
Findings are shown side by side, never pooled across reviews.
The reviews
| Review | Searched up to | Included studies | AMSTAR 2 |
|---|---|---|---|
| Ultrasound guidance versus anatomical landmarks for subclavian or femoral vein catheterization 2015 · Cochrane Headline outcomes only | Not reported | list not extracted yet | Not 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.