Spinal ropivacaine for lower limb surgery: a dose response study.


BACKGROUND The dose-response relationship for spinal ropivacaine in patients undergoing surgery of the lower extremity has not been fully determined. METHODS We performed a prospective, randomized, double-blind study of 60 patients scheduled for lower limb surgery under combined spinal-epidural anesthesia. Patients were assigned to receive 1 of 5 doses of… (More)


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