Duration of Motor Block With Intrathecal Ropivacaine Versus Bupivacaine for Cesarean Section: A Meta-analysis

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(Int J Obstet Anesth. 2016;27:9–16)Bupivacaine is a local anesthetic commonly used for spinal anesthesia. It provides a quick onset and sustained duration of sensory block but its prolonged duration of motor block is sometimes considered a disadvantage of the drug. Ropivacaine is another local anesthetic that has been used for spinal anesthesia. It is considered to have a shorter duration of motor block. This current meta-analysis was undertaken to examine the difference in duration of motor block as well as several secondary outcomes when ropivacaine was used compared with bupivacaine for spinal anesthesia for cesarean section.

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