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Development and Testing of a New Functional Assessment Tool (R-FAST) to Measure Recovery and Daily Activity Performance in Participants Undergoing Revision Knee Replacement Surgery.

Development and Psychometric Validation of the Novel R-FAST(Revision Functional Assessment Tool) for Patients Undergoing Revision Total Knee Arthroplasty : A Prospective Study - R-FAST

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2026/05/111314
Enrollment
200
Registered
2026-05-27
Start date
Unknown
Completion date
Unknown
Last updated
2026-06-01

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

Conditions

Health Condition 1: M259- Joint disorder, unspecified

Interventions

Intervention1: Nil: Nil Intervention2: Nil: Nil Intervention3: NIL: NIL Intervention4: Nil: Nil Intervention5: Nil: Nil

Sponsors

Vrunda Lakhtaria
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Inclusion Criteria 1. Both male and female patients 2. Adult patients aged 50-75 years. 3. Patients who have undergone revision total knee arthroplasty. (single-stage or multi-stage revision) 4. Patients revised for any indication such as: Aseptic loosening Periprosthetic joint infection Instability Stiffness 5. Persistent pain or implant failure 6. Patients able to communicate verbally in the study language. 7. Patients who have undergone Revision Total Knee Arthroplasty 8. Patients willing to provide written informed consent.

Exclusion criteria

Exclusion criteria: 1. Patients who underwent primary total knee arthroplasty only (no revision). 2. Patients with acute postoperative complications requiring immediate re-operation. 3. Patients with severe cognitive impairment, psychiatric illness, or neurological conditions affecting comprehension or communication. 4. Revision TKA performed for tumor resection or limb salvage procedures, amputations and arthrodesis procedures. 5. Patients who have not completed 2nd stage of revision

Design outcomes

Primary

MeasureTime frame
Reliability of R-FAST assessed using Cronbach s alpha (internal consistency) and Intraclass Correlation Coefficient (test retest at 7 14 days). Timepoint: 2 year

Secondary

MeasureTime frame
Construct validity (correlation with WOMAC and Oxford Knee Score) Responsiveness (change in R-FAST scores at 6 8 weeks follow-up) Content validity (expert evaluation)Timepoint: 2 year

Countries

India

Contacts

Public ContactVrunda Lakhtaria

Ahemdabad Physiotherapy College

symmetry.physio91@gmail.com7874759822

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Jun 11, 2026