The EKSPECT study: the influence of Expectation modification in Knee arthroplasty on Satisfaction of PatiEnts: study protocol for a randomized Controlled Trial

Jaap J. Tolk, Rob P.A. Janssen, Tsjitske M. Haanstra, Sita M.A. Bierma-Zeinstra, Max Reijman (Corresponding author)

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

Background: One out of five patients is unsatisfied to some extent after total knee arthroplasty (TKA). Unmet expectations are the main driver of post-operative dissatisfaction. Improved pre-operative education on realistic expectations for long-term outcome after TKA potentially leads to higher post-operative satisfaction. The effect of expectation modification on post-operative satisfaction in TKA patients has not yet been studied. The primary objective of the presented study is to examine whether an educational module on long-term recovery after TKA will improve patient satisfaction compared to usual pre-operative education. Methods: The EKSPECT study is a randomized controlled trial. Patients with symptomatic and radiographic knee osteoarthritis who are indicated for a primary TKA will be randomized to the usual pre-operative education (control group) or usual education plus an additional module on realistic expectations for long-term recovery (intervention group). Patients will be naïve to study objective and difference between study groups. Outcome expectations will be measured blinded for group allocation using the HSS Knee Replacement Expectations Survey at baseline (before the intervention), pre-operatively (after the intervention) and fulfillment of expectations at 12-month follow-up. Baseline physical function, quality of life and psychological factors are measured using self-reported questionnaires. The primary outcome measure is satisfaction with treatment result at the 12-month follow-up. Discussion: The EKSPECT study should provide evidence on the effectiveness of an education module on long-term recovery after TKA to improve treatment satisfaction. If beneficial, the education module is a simple intervention with a low burden for patients, which can easily be implemented in clinical practice.

Original languageEnglish
Article number437
Number of pages10
JournalTrials
Volume19
Issue number1
DOIs
Publication statusPublished - 14 Aug 2018
Externally publishedYes

Keywords

  • Arthroplasty, Replacement, Knee/adverse effects
  • Clinical Protocols
  • Health Knowledge, Attitudes, Practice
  • Humans
  • Knee Joint/diagnostic imaging
  • Netherlands
  • Osteoarthritis, Knee/diagnostic imaging
  • Patient Education as Topic/methods
  • Patient Satisfaction
  • Postoperative Complications/etiology
  • Quality of Life
  • Recovery of Function
  • Research Design
  • Self Report
  • Time Factors
  • Treatment Outcome
  • Total knee arthroplasty
  • Knee osteoarthritis
  • Expectation management
  • Satisfaction
  • Outcome expectations

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