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Scandinavian Journal of Pain

Official Journal of the Scandinavian Association for the Study of Pain

Editor-in-Chief: Werner, Mads

CiteScore 2018: 0.85

SCImago Journal Rank (SJR) 2018: 0.494
Source Normalized Impact per Paper (SNIP) 2018: 0.427

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Volume 16, Issue 1


Dissatisfaction and persistent post-operative pain following total knee replacement – A 5 year follow-up of all patients from a whole region

T. Salim / P. Pedersen / S.E. Østgaard / K. Kappel / C.S. Blom / P. Zinolabedinbik / O. Simonsen
Published Online: 2017-07-01 | DOI: https://doi.org/10.1016/j.sjpain.2017.04.046



Total knee replacement (TKR) is the treatment of choice for the millions of individuals whose osteoarthritis related pain can no longer be managed through non-invasive methods. Although most patients report improvement in pain and functioning following TKR, up to 30% report after 1–2 years persistent pain that interferes with their daily function. Further knowledge on long term results are highly demanded. The present study is the first 5 year follow-up of all patients from a whole region.


Patients were interviewed by letter concerning pain, overall satisfaction and forgotten joint score (FJS). In 2011, 607 patients in the region of North Denmark had a primary TKR, of which 20 was bilateral. Still alive are 546 patients. A total of 498 answered by letter (91%) of which 13 were not able to answer detailed due to psychological reasons.


A total of 290 (59%) patients were very satisfied with their TKR, 140 (30%) were satisfied and 58 (12%) dissatisfied. Pain free were 269 (55%). 163 patients (33%) experienced moderate pain and 55 (11%) had strong pain. Dissatisfaction and pain were highly correlated, especially pain at walking: Among patients reporting strong pain, 35 (64%) scored higher than 6 on the VAS-average pain last 24 h versus 46 (84%) that scored higher than 6 on the VAS-pain after 30 min’s walk.


Among an unselected series of patients having TKR, 12% were dissatisfied and 11% still had strong pain 5 years later. Dissatisfaction was especially correlated with pain when walking. Thus, the association between dissatisfaction, pain at activity and the individual expectations should be further focused.

About the article

Published Online: 2017-07-01

Published in Print: 2017-07-01

Citation Information: Scandinavian Journal of Pain, Volume 16, Issue 1, Pages 180–181, ISSN (Online) 1877-8879, ISSN (Print) 1877-8860, DOI: https://doi.org/10.1016/j.sjpain.2017.04.046.

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