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Vol - 29, Issue - 05
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[This article belongs to Volume - 29, Issue - 05]
International Medical Journal
Journal ID
:
IMJ-28-04-2022-1394
Total View
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429
Title
:
A Comparative study of 0.5% & 0.75% Intrathecal Isobaric Ropivacaine in Urological Surgeries
Abstract
: Regional anaesthesia has lot of advantages compared to general anaesthesia for urological surgeries. Bupivacaine is been widely used for spinal anaesthesia across the globe, in spite of its dense motor blockade and cardiac toxicity. In 2009 Ropivacaine, which is a S-enantiomer of bupivacaine, an aminoamide local anaesthetic was introduced in India, though it was being used in other parts of the world since early 1990s. The advantage of Ropivacaine is that it produces less motor blockade which makes it favourable for ambulatory surgeries and urological surgeries which does not require dense motor blockade. The aim of this study was to determine the safety profile and efficacy of two different concentrations of intrathecal isobaric Ropivacaine (0.5 % and 0.75 %) in patients undergoing elective urological surgery.60 Patients who were posted for urological surgery were selected and were divided into two groups (30 in each group) A and B. Group A was given0.5% Isobaric Ropivacaine and Group B wasgiven0.75% Isobaric Ropivacaine. SPSS 24 was used for statistical analysis. The time of onset of sensory block at T10 and time for maximum sensory block was significantly lower (p<0.05) in Group B on comparison with Group A. The time for two segment sensory regression and the total duration of sensory block was significantly lower (p<0.05) in Group A on comparison with Group B. The time of onset of motor block and time for maximum motor block was significantly lower (p<0.05) in Group B on comparison with Group A while the total duration of motor block was significantly higher (p<0.05) in Group B.Group A (0.5% isobaric Ropivacaine) provided adequate anaesthetic conditions for urological surgeries inspite of its delayed sensory onset when compared to Group B (0.75% isobaric Ropivacaine).
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