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Comparison of nalbuphine and fentanyl as adjuvants to bupivacaine in unilateral spinal anaesthesia in patients undergoing lower limb orthopaedic surgeries

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Original Article

Author Details : Madhu Srinivasaiah*, Dhananjeyulu Padmaraju, Surekha Gadiraju, Bhavya Nidiginti

Volume : 9, Issue : 2, Year : 2022

Article Page : 169-173

https://doi.org/10.18231/j.ijca.2022.035

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Abstract

Aims: Unilateral spinal anaesthesia is a technique used to avoid hemodynamic changes and early recovery. Adjuvants are added to prolong post operative analgesia, this study was done to compare nalbuphine (0.8mg) and fentanyl (20µg) as adjuvants to 0.5% bupivacaine Heavy in unilateral spinal anaesthesia for patients undergoing lower limb orthopaedic surgeries.
Settings and Design: Randomized double blind study in patients posted for lower limb orthopaedic surgery in a teritiary care center.
Materials and Methods: Unilateral spinal anaesthesia was given to 68 eligible patients undergoing lower limb orthopaedic surgery with nalbuphine (0.8mg) and fentanyl (20µg) as adjuvants to 0.5% bupivacaine Heavy. Block characterstics, unilaterality, hemodynamic changes and recovery were noted.
Statistical Analysis used: Independent sample t-test was used to compare continuous variables with normal distribution and chi square test for categorical variables
Results: Unilateral block was seen in 60 of 68 patients enrolled. Time to achieve T 10 level was comparable between both the groups in nalbuphine and fentanyl group (4.33±0.99 and 4.77 ± 0.89 respectively). Duration of sensory block was significantly lesser in nalbuphine group as compared to fentanyl group (170.67±15.34 and 178.83±15.04 respectively). However, there was no significant difference in duration of analgesia, 265.17 ± 17.73 in nalbuphine group and 260.23 ±31.03 in fentanyl group (p=0.45).
Conclusions: Nalbuphine due to its easy availability can be used as effective alternative to fentanyl as adjuvant in unilateral spinal anaesthesia.
 

Keywords: Bupivacaine, Nalbuphine, Fentanyl, Unilateral spinal anaesthesia

How to cite : Srinivasaiah M, Padmaraju D, Gadiraju S, Nidiginti B, Comparison of nalbuphine and fentanyl as adjuvants to bupivacaine in unilateral spinal anaesthesia in patients undergoing lower limb orthopaedic surgeries. Indian J Clin Anaesth 2022;9(2):169-173

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