Double vs single‐injection technique
- Single, double or multiple‐injection techniques for non‐ultrasound guided axillary brachial plexus block in adults… 2016 · Cochrane Headline outcomes onlyno estimate extracted2 studies · 119 participantsLow
Multiple leads to lower primary anaesthesia failure compared with single‐injection technique (high certainty).
Multiple showed no clear difference in secondary analgesia failure ‐ intraoperative sedation required compared with single‐injection technique (high certainty).
Lidocaine may leads to lower pain ‐ lidocaine compared with placebo (low certainty).
Fentanyl may leads to lower pain ‐ fentanyl compared with placebo (low certainty).
Remifentanil may leads to lower pain ‐ remifentanil compared with placebo (low certainty).
It is very uncertain whether adverse effects of pharmacological intervention changes breath holding compared with control (very low certainty).
It is very uncertain whether adverse effects of pharmacological intervention changes chest tightness compared with control (very low certainty).
Adverse effects of pharmacological intervention may leads to higher cough compared with control (low certainty).
Plain lidocaine leads to higher preference compared with buffered lidocaine (high certainty).