
Partial knee replacements for single compartment arthritis are safer than total knee replacement.
According to researchers in Oxford people undergoing partial knee replacement surgery, in which only the parts of the knee affected by osteoarthritis are removed, have fewer complications, are less likely to be readmitted to hospital and less likely to die. http://www.ox.ac.uk/news/2014-07-08-partial-knee-replacements-arthritis-are-safer-total-replacement