Analysis of data from the National Joint Registry for England and Wales, UK, has identified a drop in mortality rates from 0.56% in 2003 to 0.29% in 2011 for patients with osteoarthritis (OA) undergoing primary hip replacements. Covering 409,096 of such hip replacements for OA, with 1,743 patient deaths within 90 days of surgery recorded during the 8-year period, the study investigators adjusted for age, sex and comorbidity and found four modifiable clinical factors that were associated with lower mortality: posterior surgical approach, mechanical and chemical prophylaxis, and spinal anaesthesia. Type of prosthesis had no effect, but being overweight was associated with lower mortality.
References
Hunt, L. P. et al. 90-day mortality after 409,096 total hip replacements for osteoarthritis, from the National Joint Registry for England and Wales: a retrospective analysis. Lancet 382, 1097–1104 (2013)
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Decrease in hip replacement mortality. Nat Rev Rheumatol 9, 636 (2013). https://doi.org/10.1038/nrrheum.2013.153
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DOI: https://doi.org/10.1038/nrrheum.2013.153