Skip to main content
Log in

Patient-perceived outcome measures following unicompartmental knee arthroplasty with mini-incision

  • Original Paper
  • Published:
International Orthopaedics Aims and scope Submit manuscript

Abstract

We reviewed 150 patients (183 knees) who underwent mini-incision unicompartmental knee arthroplasty (Oxford). Mean age was 71.5 (36–92) years. Review was conducted at least 12 months following surgery. To assess results, we used the Oxford knee questionnaire, modified Grimby score, return to sport and work, knee “normality” and patient general health. The mean Oxford knee score was 22.17 (range 12–54). Kneeling scored worse than other activities. No significant age or gender difference was found. Mean modified Grimby score was 3.89, equating to moderate exercise less than 2 h a week. Patients with “artificial-feeling” knees had significantly worse scores than patients with normal/near-normal-feeling knees. Patients who returned to/increased sporting activity had better Oxford scores than those who did not. Ninety-four percent of patients working pre-operatively returned to work. Sixty-seven percent continued at the same level of or increased sporting activity. Oxford knee scores and return to sport compared well to published data. Results regarding modified Grimby score, return to work and pain relief were encouraging. The best results were achieved in active patients who felt their health was good and their knee felt normal or near normal following surgery.

Résumé

Nous avons examiné 150 malades (183 genoux) qui ont subi une arthroplastie unicompartmentale (Oxford) par une mini-incision. L’âge moyen était 71,5 ans (36–92). L’examen a été conduit au moins 12 mois après la chirurgie. Nous avons utilisé le questionnaire de genou Oxford, le score modifié de Grimby, le retour au sport et au travail, la “normalité” du genou et la santé générale du malade. Le score moyen d’Oxford était 22.17 (12–54). Le défaut d’agenouilllement était le plus péjoratif. Aucune différence notable de sexe ou d’age n’a été trouvée. Le score moyen modifié de Grimby était 3.89, équivalent à un exercice modéré moins de deux heures par semaine. Les malades avec la sensation de genou “artificiel” avaient des scores nettement moins bons que les malades ayant la sensation d’un genou normal ou proche de la normale. Les malades qui avaient retrouvé ou augmenté l’activité sportive avaient un meilleur score d’Oxford que les autres. Ninety-fourpercentage des malades travaillant avant l’opération ont repris le travail après. 67% des malades ont continué au même niveau de sport ou ont augmenté l’activité sportive. Les scores d’Oxford et le retour au sport étaient comparables aux données publiées. Les résultats selon le score modifié de Grimby, le retour au travail et la disparition des douleurs étaient encourageant. Les meilleurs résultats ont été obtenus chez des patients actifs, en bonne santé, et qui ont senti leur genou comme normal ou sub-normal après l’opération.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Similar content being viewed by others

References

  1. Bradbury N, Borton D, Spoo G, Cross MJ (1998) Participation in sports after total knee replacement. Am J Sports Med 26:530–535

    CAS  PubMed  Google Scholar 

  2. Bullens PH, van Loon CJ, de Waal Malefijt MC et al (2001) Patient satisfaction after total knee arthroplasty; a comparison between subjective and objective outcome assessments. J Arthroplasty 16:740–747

    Article  CAS  PubMed  Google Scholar 

  3. Dawson J, Fitzpatrick R, Murray D, Carr A (1998) Questionnaire on perceptions of patients about total knee replacement. J Bone Joint Surg Br 80:63–69

    Article  CAS  PubMed  Google Scholar 

  4. Grimby G (1986) Physical activity and muscle training in the elderly. Acta Med Scand Suppl 711:233–237

    CAS  PubMed  Google Scholar 

  5. Hassaballa MA, Porteous AJ, Newman JH, Rogers CA (2003) Can knees kneel? Kneeling ability after total, unicompartmental and patellofemoral knee arthroplasty. Knee 10:155–160

    Article  CAS  PubMed  Google Scholar 

  6. Konig A, Walther M, Kirschner S, Gohlke F (2000) Balance sheets of knee and functional scores after TKA for OA: a source of patient information. J Arthroplasty 15:289–294

    CAS  PubMed  Google Scholar 

  7. Kuster MS (2002) Exercise recommendations after total joint replacement: a review of the current literature and proposal of scientifically based guidelines. Sports Med 32:433–445

    PubMed  Google Scholar 

  8. Kuster MS, Spalinger E, Blanskby BA, Gachter A (2000) Endurance sports after total knee replacement: a biomechanical investigation. Med Sci Sports Exerc 32:721–724

    Article  CAS  PubMed  Google Scholar 

  9. Lee DC, Kim DH, Scott RD, Suthers K (1998) Intraoperative flexion against gravity as an indication of ultimate range of motion in individual cases after total knee arthroplasty. J Arthroplasty 13:500–503

    Article  CAS  PubMed  Google Scholar 

  10. Lingard EA, Wright EA, Sledge CB (2001) Kinemax Outcomes Group. Pitfalls of using patient recall to derive preoperative status in outcome studies ot total knee arthroplasty. J Bone Joint Surg Am 83:1149–1156

    Article  Google Scholar 

  11. McGrory BJ, Stuart MJ, Sim FH (1995) Participation in sports after hip and knee arthroplasty: a review of literature and survey of surgeon preferences. Mayo Clin Proc 70:342–348

    CAS  PubMed  Google Scholar 

  12. Munnich U, Konig DP, Popken F, Hackenbroch MH (2003) Development of physical and sports activity before and after implantation of a total knee endoprosthesis. A prospective study of 40 patients. Versicherungsmedizin 55:82–86

    CAS  PubMed  Google Scholar 

  13. Nicholls MA, Selby JB, Hartford JM (2002) Athletic ability after total joint replacement. Orthopedics 25:1283–1287

    PubMed  Google Scholar 

  14. Norwegian Arthroplasty Register. Annual report 2003. http://www.haukeland.no/nrl/

  15. Parsley BS, Engh GH, Dwyer KA (1992) Preoperative flexion: does it influence post-operative flexion after PCL-retaining total knee arthroplasty? Clin Orthop 275:204–210

    PubMed  Google Scholar 

  16. Price AJ, Webb J, Topf H et al (2001) Rapid recovery after oxford unicompartmental arthroplasty through a short incision. J Arthroplasty 16:970–976

    Article  CAS  PubMed  Google Scholar 

  17. Schurman DJ, Parker JN, Ornstein D (1985) Total condylar knee replacement. A study of factors influencing range of motion as late as 2 years after arthroplasty. J Bone Joint Surg Am 67:1006–1014

    CAS  PubMed  Google Scholar 

  18. Svard UC, Price AJ (2001) Oxford medial unicompartmental knee arthroplasty. A survival analysis of an independent series. J Bone Joint Surg Br 83:191–194

    Article  CAS  PubMed  Google Scholar 

  19. Weale AE, Murray DW, Crawford R et al (1999) Does arthritis progress in retained compartments after Oxford medial unicompartmental arthroplasty? A clinical and radiological study with a minimum 10 year follow-up. J Bone Joint Surg Br 81:783–789

    Article  CAS  PubMed  Google Scholar 

  20. Weale AE, Halabi OA, Jones PW, White SH (2001) Perceptions of outcomes after unicompartmental and total knee replacements. Clin Orthop 382:143–153

    PubMed  Google Scholar 

  21. Weiss JM, Noble PC, Conditt MA et al (2002) What functional activities are important to patients with knee replacements? Clin Orthop 404:172–188

    PubMed  Google Scholar 

Download references

Acknowledgements

Mr. C.J.V. Mann and Mr. A. Smith, previous fellows at WOC, are acknowledged for their efforts in setting up this project.

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to N. P. Walton.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Jahromi, I., Walton, N.P., Dobson, P.J. et al. Patient-perceived outcome measures following unicompartmental knee arthroplasty with mini-incision. International Orthopaedics (SICOT) 28, 286–289 (2004). https://doi.org/10.1007/s00264-004-0573-y

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s00264-004-0573-y

Keywords

Navigation