“…Bupivacaine was the most common local anaesthetic used at various concentrations and volumes in 30 studies. 20,31,46,47,[49][50][51][52][53]55,58,59,33,60,[64][65][66][68][69][70][71]73,75,34,[39][40][41][42][43][44] Of which 24 studies reported using 0.5% Bupivacaine 20,31,46,49,51-53,55,64,65,68,69,33,70,71,73,75,34,39-44 and 6 studies reported using 0.25% Bupivacaine. 47,50,[58][59][60]66 Bupivacaine was used at different volumes ranging from 10ml of 0.5% Bupivacaine, 20,39-44,55,64,68,70,71 3ml of 0.25% Bupivacaine 66 to 1ml of 0.5% Bupivacaine.…”