Cochrane · systematic review · CD006459
Ultrasound guidance for upper and lower limb blocks
Lewis, SR, Price, A, Walker, KJ, et al. · Cochrane Database of Systematic Reviews · 2015 · 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
7
current version
GRADE rated
7
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 2 · 28.6%Low 3 · 42.9%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
Ultrasound guidance for upper and lower limb blocks
Population: People undergoing upper and lower limb blocks
| Outcome | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Block success (predicted adequacy of block) | OR 2.49 [2.14, 4.04] | 17 studies · 1346 participants | Moderate Downgraded: risk of bias, imprecision, inconsistency |
Block success (supplementation or conversion to general anaesthesia | OR 0.28 [0.2, 0.39] | 18 studies · 1807 participants | Moderate Downgraded: risk of bias, imprecision |
Paraesthesia | OR 0.42 [0.23, 0.76] | 6 studies · 471 participants | Very low Downgraded: risk of bias, imprecision, inconsistency |
Vascular puncture | OR 0.19 [0.07, 0.57] | 5 studies · 387 participants | Low Downgraded: risk of bias, imprecision |
Time to perform block | no estimate extracted | 10 studies · 690 participants | Very low Downgraded: risk of bias, imprecision, inconsistency |
Number of attempts9 | no estimate extracted | 0 studies · 7 participants | Low Downgraded: risk of bias, imprecision |
Patient discomfort9 | no estimate extracted | 0 studies · 7 participants | Low Downgraded: risk of bias, imprecision |