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Study · Orthopaedics

A patient education video improves comprehension before total hip replacement

In a randomised controlled trial by the Department of Orthopaedics at the University of Würzburg, patients received a patient education video in addition to standard patient education before total hip replacement. Afterwards, they answered significantly more knowledge questions correctly – self-assessment and emotional well-being remained unchanged.

University of Würzburg · International Orthopaedics 2025 · Open Access (CC BY)

Zu den Ergebnissen Zur Publikation
Correctly answered knowledge questions in per cent (mean)
All knowledge questions, With video: 86.5%
All knowledge questions, Without video: 78.6%

Auf einen Blick

Die Ergebnisse in Zahlen

correct answers with video (without video 78.6%, p = 0.014)
86.5%
patient education video, sent by link one to three days before admission
18 min
randomised controlled trial
Level I
patients evaluated (20 with video, 17 without)
37

Studiendesign

Standard patient education with and without video

All patients received regular patient education on the day of admission with a standardised consent sheet and a discussion with a physician. The intervention group additionally watched a patient education video in advance. Allocation was random.

  1. 1Video in advancePatients in the intervention group received a link to an 18-minute patient education video one to three days before admission.
  2. 2Patient education on the day of admissionAll patients received the regular consent discussion with a standardised consent sheet.
  3. 3QuestionnairesDirectly after the consent discussion, patients answered questions on knowledge, self-assessment and well-being without assistance.
Design
Prospective, randomised (sealed envelopes), single-centre
Centre
Department of Orthopaedics, Julius-Maximilians-Universität Würzburg; ethics approval from the University of Würzburg (257/20)
Patients
74 enrolled; 37 with a fully completed knowledge questionnaire evaluated
Groups
20 with additional video, 17 with standard patient education
Blinding
The physicians conducting the consent discussion did not know the group allocation
Primary endpoint
Objective comprehension – 42 statements on procedure, involvement in decision-making, alternatives and risks
Secondary endpoints
Self-assessment of knowledge, emotional well-being
Registrierung
DRKS00025874

Ergebnisse

Was die Studie gemessen hat

More correct answers with video

Patients with video answered 86.5% of the knowledge questions correctly, without video 78.6% (p = 0.014). The differences were significant for treatment alternatives (p = 0.009) and the risks of the procedure (p = 0.016) – content that is particularly important for valid consent.

Correctly answered knowledge questions in per cent (mean)
All knowledge questions, With video: 86.5%
All knowledge questions, Without video: 78.6%

37 patients evaluated; 42 statements on procedure, involvement in decision-making, alternatives and risks.

Werte als Tabelle
With videoWithout video
All knowledge questions86.5%78.6%

Knowledge increases, not just the feeling of being informed

Both groups rated how well informed they felt almost identically (p = 0.986). Anxiety, satisfaction with patient education and preparation for the procedure did not differ either (p = 0.333). The video therefore improved actual comprehension – without causing additional uncertainty.

Answers ‘fully understood’ in the self-assessment in per cent
Self-assessment, With video: 85.9%
Self-assessment, Without video: 86.0%
Werte als Tabelle
With videoWithout video
Self-assessment85.9%86.0%

Einordnung

What the study shows – and what it does not

Das zeigt die Studie

  • An additional patient education video significantly improved objective comprehension before total hip replacement.
  • The differences were most evident for treatment alternatives and risks.
  • Self-assessment and emotional well-being did not change as a result of the video.

Grenzen der Studie

  • Small evaluated sample – 37 of 74 enrolled patients with a complete knowledge questionnaire.
  • Single-centre, one procedure; the questionnaires were developed by the authors.
  • Measured directly after patient education; long-term knowledge and clinical outcomes were not examined.
  • The video supplemented the standard process; whether it shortens discussion time was not part of the study.

Publikation

An informational video for informed consent improves patient comprehension before total hip replacement – a randomized controlled trial

von Hertzberg-Boelch S, Fuchs K, Schubring J, Rak D, List K, Horas K, Jakuscheit A, Rudert M. Int Orthop 2025; 49: 1303–1308.

Zeitschrift
International Orthopaedics, 2025
Zugang
Open Access (CC BY)
Publikation lesen

Transparency

The study was conducted by the Department of Orthopaedics at the University of Würzburg. The authors developed the patient education video together with medudoc. According to the publication, the work received no funding; the authors declare no conflicts of interest.

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