Abstract
Aims: To compare the incidence of hypotension after intrathecal administration of hyperbaric bupivacaine and fentanyl in two different syringes against standard injection of mixed fentanyl with hyperbaric bupivacaine.
 Methods: This was a prospective comparative study conducted in 174 parturients undergoing elective caesarean section at Paropakar Maternity & Women’s Hospital. Hemodynamic effects and characteristics of block were monitored and recorded and compared between the two groups, group S (single syringe) and group D (double syringe).
 Results: The incidence of hypotension was almost similar in the two groups but the drop in systolic blood pressure and mean arterial pressure at 5 minutes and 7.5 minutes after subarachnoid block was significant in group S as compared to group D (p<0.005 and p<0.005 respectively).
 Conclusion: Hyperbaric bupivacaine with fentanyl, which when injected separately without mixing, is associated with lesser incidence of hypotension following subarachnoid block.
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