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THU0437 Return to Work after Total Hip and Knee Arthroplasty: Results from A Prospective Cohort Study
  1. C. Tilbury1,
  2. C. Leichtenberg1,
  3. R. Tordoir2,
  4. M. Holtslag1,
  5. S. Verdegaal2,
  6. R. Nelissen1,
  7. T.P. Vliet Vlieland1
  1. 1Orthopaedic Surgery, Leiden University Medical Center, Leiden
  2. 2Orthopaedic Surgery, Rijnland Hospital, Leiderdorp, Netherlands

Abstract

Background A substantial proportion of patients undergoing Total Hip Arthroplasty (THA) or Total Knee Arthroplasty (TKA) is of working age at the time of surgery. Although it is found that the majority of working patients return to work after surgery, the literature on duration until return to work and the impact of surgery on the amount of working hours in patients undergoing THA or TKA is scanty.

Objectives The aim of this study was to measure duration until return to work and the impact of surgery on working hours in patients undergoing THA or TKA.

Methods This study on work was part of a prospective cohort study on the outcomes of THA and TKA surgeries. This study included patients under 65 years of age, undergoing THA or TKA, who provided information on their work status before and one year after surgery. Assessments included a questionnaire on work status (yes/no), working hours per week and time to return to work. Comparisons of working hours before and after surgery were done with the Wilcoxon signed-rank test.

Results Seventy-five of 122 THA (62%) and 70 of 120 TKA patients (59%) who were under 65 years had a paid job before surgery. The mean numbers of working hours per week were 32.3 (SD 13.4) in the THA group and 31.0 (SD 12.6) in the TKA group. Absence of work in relation to hip-or knee complaints during the year before surgery was reported by 19 (25%) and 19 (27%) of the employed patients with THA and TKA, respectively. The employment rates one year postoperatively were 66/75 (88%) after THA and 60/70 (86%) after TKA. The mean time to return to work was 12.5 (SD 7.5) and 12.9 (SD 7.8) weeks after THA and TKA, respectively. After 1 year, 17/66 (30%) of the patients with THA and 19/60 (32%) of patients with TKA worked less hours postoperatively as compared to preoperatively. In these patients, the number of working hours decreased significantly, with a mean difference of -14.4 hours (95% CI -19.5; -9.8) in the THA group and of -14.7 hours (95% CI -20.7; -9.4) in the TKA group (both p=0.002, Wilcoxon signed-rank test).

Conclusions The majority of patients who had a paid job before surgery returned to work after THA and TKA, after approximately 12 weeks. Thirty % of the patients who returned to work, worked less hours than preoperatively. Given the increasing numbers of working patients undergoing THA or TKA more research into patients who do not return or decrease their working hours is needed.

References

  1. Tilbury C. et al. Rheumatology 2013 Nov 23. [Epub ahead of print]

  2. Kuijer PP et al. J Occup Rehabil 2009;19(4):375-381.

  3. Kievit A.J. et al. Journal of Arthroplasty 2014; 10.1016

Acknowledgements Special thanks to the Annafonds|NOREF for their financial support.

Disclosure of Interest : C. Tilbury Grant/research support: Anna Fonds/NOREF, C. Leichtenberg: None declared, R. Tordoir: None declared, M. Holtslag: None declared, S. Verdegaal: None declared, R. Nelissen: None declared, T. Vliet Vlieland: None declared

DOI 10.1136/annrheumdis-2014-eular.2940

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