COMPARISON OF PLAIN AND ALKALINIZED LOCAL ANAESTHETIC MIXTURES OF LIGNOCAINE AND BUPIVACAINE FOR ELECTIVE EXTRADURAL CAESAREAN SECTION

Abstract
We have examined a local anaesthetic mixture of 0.5% bupivacaine 10 ml and 2% lignocaine 10 ml with adrenaline 1 in 200000, to which 8.4% sodium bicarbonate 2ml was added, for extradural Caesarean section. The alkalinized mixture of local anaesthetics produced a block of more rapid onset and density than a mixture of bupivacaine and lignocaine alone (p < 0.001).

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