Secondary Patellar Resurfacing after Primary Bicondylar Knee Arthroplasty did Not Meet Patients’ Expectations

João Correia, Marc Sieder, Daniel Kendoff, Mustafa Citak, Thorsten Gehrke, Wolfgang Klauser, Carl Haasper*
Helios ENDO-Klinik Hamburg, Hamburg, Germany

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© Correia et al.; Licensee Bentham Open.

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

* Address correspondence to this author at the Helios ENDO-Klinik Hamburg Orthopaedic Surgery Holstenstraße 2, 22767 Hamburg, Germany; Tel: +49 40 3197-0; Fax: +49 40 3197-1938; E-mail:


Secondary patella resurfacing is a controversial procedure which is applied in patients with anterior knee pain after a bicondylar knee arthroplasty (with unresurfaced patella). A group of 46 patients were submitted to this procedure and their satisfaction, range of motion and pain improvement was evaluated. 52.2% of the patients were satisfied with the procedure, with an improvement in pain (Visual Analogue Scale) of 65% and an improvement in range of motion in 56,5%, with roundabout half of the patients having no resolution to their complaints. Whilst an improvement was not achieved in all patients, as it was initially hypothesised, this procedure should be considered when a revision knee arthroplasty is performed with an unresurfaced patella.

Keywords:: Anterior knee pain, bicondylar arthroplasty, revision knee arthroplasty, secondary patella resurfacing, unresurfaced patella.