Impact of a national enhanced recovery after surgery programme on patient outcomes of primary total knee replacement

Impact of a national enhanced recovery after surgery programme on patient outcomes of primary total knee replacement: an interrupted time series analysis from "The National Joint Registry of England, Wales, Northern Ireland and the Isle of Man"
Osteoarthritis Cartilage. 2019 Sep;27(9):1280-1293

• Analysis of the impact of a national Enhanced Recovery After Surgery (ERAS) Programme in total knee replacement (TKR) on patient outcomes (486,579 primary TKRs) in 149 UK NHS trusts (April 2009-March 2011). 
• After ERAS, declining trends in length of stay and bed costs slowed down; Oxford Knee Scores improved, complications remained stable, and revisions at 5 years slightly increased.