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IJHSR. 2015; 5(10): 73-84


Comparison of Intrathecal Isobaric Levobupivacaine with Hyperbaric Bupivacaine in Spinal Anesthesia for Lower Limb Orthopedic Surgeries.

Udita Naithani, Kushal Malleshappa, Madhanmohan, Pramod meena.

Abstract
Background: Levobupivacaine is an S (-) enantiomer of bupivacaine having less cardiotoxic and central nervous system effects. Use of isobaric levobupivacaine in spinal anesthesia has recently been started.
Objective: To compare the anesthetic efficacy and safety of isobaric levobupivacaine versus hyperbaric bupivacaine in spinal anesthesia for lower limb orthopedic surgeries.
Materials and methods: 60 healthy patients were randomized into two groups of 30 each to receive intrathecal injection of 3ml 0.5% (15mg) of hyperbaric bupivacaine in group B and 3ml 0.5% (15mg) of isobaric levobupivacaine in group L. Both groups were compared regarding sensory- motor block characteristics, hemodynamic profile, adverse effects, supplemental analgesia and success rate.
Results: Both agents produced effective spinal anesthesia to accomplish surgery without supplementation in all 30 (100%) patients of group B and almost all (n=29, 97.6%) patients of group L. Peak sensory level was significantly higher in Group B (T6.21.25) than in group L (T9.331.65), p

Key words: intrathecal, bupivacaine, levobupivacaine, orthopedic surgery, spinal anesthesia.



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