In comparison with the plain solution, 15 mg of intrathecal hyperbaric ropivacaine produced a faster onset, greater success rate of analgesia at the level of T(10) dermatome, and faster recovery of the block.

Faster mobilization but equal onset and duration of analgesia were achieved with intrathecal hyperbaric ropivacaine 10 mg plus fentanyl 20 microg as compared with hyperbaric ropivacaine 15 mg.

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It is concluded that spinal anaesthesia with hyperbaric lidocaine 20 mg+ropivacaine 5 mg and hyperbaric ropivacaine 10 mg was quite similar regarding frequency, onset, duration of T10 dermatome sensory block and recovery. The patients would have been ready for discharge after voluntary micturition, 4.2-4.5 h from the subarachnoid injection of local anaesthetics.

No abstract