Rapid responses are electronic letters to the editor. They enable our users to debate issues raised in articles published on thebmj.com. Although a selection of rapid responses will be included online and in print as readers' letters, their first appearance online means that they are published articles. If you need the url (web address) of an individual response, perhaps for citation purposes, simply click on the response headline and copy the url from the browser window. Letters are indexed in PubMed.
There are plenty of benefits with partial knee replacements including
cost effeciency, better recovery and small scars. However, not all
patients can benefit from these procedures. Nevertheless, it is one of the
vital advances in orthopaedic which could improve the NHS balance sheet.