Comparison of Analgesic Effect of Fentanyl and Clonidine Added Intrathecally with Bupivacaine in LSCS
European Journal of Molecular & Clinical Medicine,
2022, Volume 9, Issue 3, Pages 6094-6103
AbstractBackground:Hyperbaric bupivacaine 0.5% (l0mg) with fentanyl 15mcg(0.3ml) and (2)
Hyperbaric bupivacaine 0.5% (10mg) with clonidine 45mcg. Objectives: The study
compared the onset and duration of action of intrathecal hyperbaric bupivacaine 0.5
percent and fentanyl 15mcg (group-I) to intrathecal hyperbaric bupivacaine 0.5 percent
and clonidine 45 mcg (group-II) in spinal anaesthesia in LSCS. The combination of
bupivacaine with fentanyl or clonidine assists anesthesiologists in alleviating
intraoperative discomfort by delivering superior analgesia to patients without extending
Materials and Methods: The study included 80 female patients with ASA grade I (n=40
in each group). The time of onset of sensory and motor block, duration of analgesia, 2-
segment regression, intraoperative discomfort, hemodynamic stability, time to
micturition, visual analogue score, and postoperative analgesic requirements were all
Results: In group II, the onset of sensory and motor block was substantially later than
in group I (p0.001). Hemodynamic alterations did not differ between groups (p>0.05).
Intraoperatively, 1 patient reported pruritis, and 2 patients had postoperative urinary
II78.506.12min and groupII-—121.284.09 min) and regression of sensory level to L2
dermatome (group-I - 142.206.73 min and group II 166.405.79 min) were significantly
longer in group II (p0.001). The duration of analgesia in group II was 210.186.79
minutes, whereas in group II it was 323.5610.53 minutes, which is significant (p0.001).
The VAS scores in group II were considerably lower after 3 hours (p0.05), 6 hours
(p0.001), and 12hours (p0.001).
Conclusion: The addition of intrathecal clonidine 45 mcg to hyperbaric bupivacaine in
spinal anaesthesia gives greater analgesia with less perioperative discomfort, a longer
duration of analgesia, and a reduction in postoperative analgesic requirements.
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