Conditions: Lower Limb Surgery
Keywords: Subarachnoid block intrathecal spinal anesthesia isobaric levobupivacaine ropivacaine
Allocation: RANDOMIZED | Intervention model: PARALLEL
Enrollment: 60
Healthy volunteers: no

Brief summary:
The purpose of this study is to compare the effects of two intrathecally administered drugs:0.5% levobupivacaine and0.75%Ropivacaine in spinal anesthesia

Detailed description:
Bupivacaine is a highly cardiotoxic drug and also produces prolonged motor blockade.The newer drugs levobupivacaine and ropivacaine being comparatively less cardio and neurotoxic are preferred now a days.So, we conducted this prospective, randomized double blind study with an aim of comparing the efficacy and characteristics of these drugs.

Arms:
arm 1: intrathecal administration of 15 mg of Levobupivacaine 0.5% arm 2: intrathecal administration of 22.5 mg of Ropivacaine 0.75%

Interventions: intervention 1: Levobupivacaine intervention 2: Ropivacaine
Intervention descriptions: intervention 1: Comparison of Equipotent doses intervention 2: Comparison of equipotent doses

Protocol document: