A Randomised Comparison on the Dose Requirement Between, Levobupivacaine, Ropivacaine and Bupivacaine in Intrathecal Anaesthesia
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Sensory block at 12th thoracic dermatome or above and successful conduct of the lower limb surgery up to 50 minutes after the intrathecal injection of the study drug [ Time Frame: 50 minutes after the intrathecal injection of the study drug ]
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Layout table for eligibility information
Ages Eligible for Study:
18 Years and older (Adult, Older Adult)
Sexes Eligible for Study:
height higher than 145cm
Known hypersensitivity to amide local anaesthetics,
patients who do not understand English and Chinese,