Data from approximately 400 hospitals between 2006 and 2010 were accessed. Of the 382,236 cases analyzed, 11 percent were performed under neuraxial anesthesia, 14.2 percent under a mix of neuraxial and general and 74.8 percent under general alone.
The study found that when neuroaxial anesthesia was used as opposed to general anesthesia the 30-day mortality rate as well as incidence of prolonged length of stay, in-hospital complications and increased costs for patients undergoing hip or knee arthroplasty was significantly lower.
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