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Related Experiment Video

Updated: May 10, 2026

The Use of Mixed Reality in Custom-Made Revision Hip Arthroplasty: A First Case Report
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Modern perceptions and expectations regarding total knee arthroplasty.

Robert Michael Meneghini1, Glenn S Russo2, Jay R Lieberman3

  • 1Department of Orthopedic Surgery, IU Health Saxony Hospital, Fishers, Indiana.

The Journal of Knee Surgery
|June 19, 2013
PubMed
Summary
This summary is machine-generated.

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Patient perceptions of total knee replacement (TKA) often focus on pain relief. Media exposure significantly influences expectations of TKA longevity, potentially due to direct-to-patient marketing claims.

Area of Science:

  • Orthopedic Surgery
  • Patient Outcomes Research

Background:

  • Patient and surgeon perceptions of total knee replacement (TKA) frequently diverge.
  • Understanding patient expectations is crucial for informed consent and satisfaction.

Purpose of the Study:

  • To investigate patient perceptions of TKA.
  • To identify the influence of information sources on these perceptions.

Main Methods:

  • A questionnaire was administered to patients evaluated for TKA.
  • Multivariate statistical analysis correlated responses with demographic variables.

Main Results:

  • 81% of patients viewed pain alleviation as the primary TKA goal; 19% cited return to sports.
  • Media exposure (TV, newspaper, internet) correlated with expectations of TKA lasting 20+ years (p≤0.01).

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  • Men were more likely than women to receive information from personal networks (p=0.04).

    • Conclusions:

    • While pain relief is the main perceived benefit, media influence may inflate expectations of TKA durability.
    • Direct-to-patient marketing highlighting longevity may shape unrealistic patient perceptions of total knee replacement outcomes.