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What do systematic reviews say?

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Evidence found and GRADE certainty

3 questions · 3 findings · 1 reviews · Anaesthesia

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 1 · 33.3%High 2 · 66.7%

Multiple vs single‐injection technique

Secondary analgesia failure : Tourniquet pain · Adult patients undergoing hand, wrist or forearm surgery

Multiple showed no clear difference in secondary analgesia failure ‐ tourniquet pain compared with single‐injection technique (high certainty).

1 finding from 1 review

Multiple vs double‐injection technique

Secondary analgesia failure : Tourniquet pain · Adult patients undergoing hand, wrist or forearm surgery

Multiple leads to lower secondary analgesia failure ‐ tourniquet pain compared with double‐injection technique (high certainty).

1 finding from 1 review

Double vs single‐injection technique

Secondary analgesia failure : Tourniquet pain · Adult patients undergoing hand, wrist or forearm surgery

Double showed no clear difference in secondary analgesia failure ‐ tourniquet pain compared with single‐injection technique (moderate certainty).

1 finding from 1 review