RT Journal A1 Huo, Michael H. A1 Parvizi, Javad A1 Bal, B. Sonny A1 Mont, Michael A. T1 What's New in Total Hip Arthroplasty JF The Journal of Bone & Joint Surgery JO The Journal of Bone & Joint Surgery YR 2009 FD October 1 VO 91 IS 10 SP 2522 OP 2534 DO 10.2106/JBJS.I.00801 UL http://dx.doi.org/10.2106/JBJS.I.00801 AB It has been nearly a decade since the introduction of this Specialty Update section in The Journal. We have covered many topics that were considered to be contemporary and controversial. In the current update, we have elected to include reviews on (1) the outcomes of primary total hip arthroplasty, (2) the outcomes of revision hip arthroplasty, (3) hip resurfacing arthroplasty, (4) complications, and (5) practice management. The major new information in the past year is in epidemiology and hip resurfacing arthroplasty.