Comparison of continuous epidural infusion of ropivacaine and sufentanil with intravenous patient‐controlled analgesia after total hip replacement

We assessed the efficacy of an epidural infusion of ropivacaine 0.1% and sufentanil 1 µg.ml−1, comparing it with intravenous patient‐controlled analgesia using piritramide in this prospective, randomised, double‐blind study of 24 ASA physical status I–III patients undergoing elective total hip repla...

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