Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

900 questions · 932 findings · 149 reviews

No studies found 215 · 23.1%GRADE not reported 65 · 7%Very low 234 · 25.1%Low 256 · 27.5%Moderate 134 · 14.4%High 28 · 3%

Lidocaine IV vs placebo or no treatment

Nausea · adults undergoing surgery with general anaesthesia

It is very uncertain whether intravenous (IV) lidocaine changes postoperative nausea, 'overall' (0 to 24 h, to 48 h, to 72 h) compared with placebo or no treatment (very low certainty).

1 finding from 1 review