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ARENA study: effectiveness and cost-effectiveness of outpatient physiotherapy after knee replacement

Effectiveness and cost-effectiveness of outpatient physiotherapy after knee replacement: a randomised controlled trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN32087234
Enrollment
256
Registered
2015-02-11
Start date
2015-03-01
Completion date
Unknown
Last updated
2019-08-26

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Topic: Surgery

Interventions

Outpatient physiotherapy: Six week group-based outpatient physiotherapy course consisting of task-related and individualised exercises, starting 6 weeks after total knee replacement surgery.

Sponsors

North Bristol NHS Trust
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. NHS patients listed for primary total knee replacement due to osteoarthritis at Southmead Hospital or Emersons Green Treatment Centre 2. Male & Female 3. Lower Age Limit 18 years

Exclusion criteria

Exclusion criteria: 1. Patients listed for total knee replacement for reasons other than osteoarthritis 2. Patients listed for revision total knee replacement 3. Patients unable or unwilling to attend physiotherapy classes if randomised to the intervention group 4. Inability to participate in exercise for medical reasons such as unstable cardiovascular or severe neurological conditions 5. Unable or unwilling to provide informed consent 6. Inability to understand English because not all the questionnaires have been translated and validated into other languages 7. Post-operative complication(s) within the first two weeks of surgery which would preclude participation in the physiotherapy class e.g. prosthetic joint infection, manipulation under anaesthetic

Design outcomes

Primary

MeasureTime frame
Lower Extremity Functional Scale (LEFs) at 12 months after surgery

Secondary

MeasureTime frame
1. EQ-5D-5L at 2 weeks, 3 months, 6 months and 12 months after surgery 2. LEFS at 3 months and 6 months after surgery 3. Knee Injury and Osteoarthritis Outcome Score (KOOS) at 3 months, 6 months and 12 months after surgery 4. Self-Administered Patient Satisfaction Scale for Primary Hip and Knee Arthroplasty at 3 months, 6 months and 12 months after surgery 5. Likert-type scale for satisfaction with physiotherapy treatment received at 3 months, 6 months and 12 months after surgery 6. Hospital Anxiety and Depression Scale at 3 months, 6 months and 12 months after surgery

Countries

United Kingdom

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Mar 13, 2026