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Balance After Knee Arthroplasty

Assessment of Balance, Function and Quality of Life in Patients Before and After Knee Replacement

Status
UNKNOWN
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04681404
Enrollment
150
Registered
2020-12-23
Start date
2021-01-11
Completion date
2023-12-31
Last updated
2023-03-30

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

Conditions

Knee Arthroplasty, Postural Balance, Quality of Life

Brief summary

Evaluation of patients before and after knee arthroplasty regarding balance, function and quality of life. Comparison of total and unicompartmental knee arthroplasty. Comparison of the primary outcome parameter and selected secondary outcome parameters to healthy controls.

Interventions

PROCEDUREKnee Arthroplasty

Comparison of TKA, UKA and healthy controls in relation to balance, function and QOL

Sponsors

Kepler University Hospital
CollaboratorOTHER
Johannes Kepler University of Linz
Lead SponsorOTHER

Study design

Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
BASIC_SCIENCE
Masking
DOUBLE (Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
55 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Primary gonarthrosis * planned TKA or UKA * adequate cognitive and lingual competence * informed consent

Exclusion criteria

* TKA or UKA revision * Surgery after trauma * Rheumatic disease * Neurologic disease * previous arthroplasty of the lower extremity (\<9 months) * cardiovascular disease * restricted weight bearing of the lower extremity after surgery

Design outcomes

Primary

MeasureTime frameDescription
Center of pressure track (COPT)Before surgeryPosturographic Parameter

Secondary

MeasureTime frameDescription
Timed up and go - testBefore surgery; day 3-7 after surgery; 3 months and 1 year after surgery
Knee Injury and Osteoarthritis Outcome ScoreBefore surgery; day 3-7 after surgery; 3 months and 1 year after surgeryScale: Points, Minimum: 0, Maximum: 100, higher score means better outcome
EQ-5D - ScoreBefore surgery; 1 year after surgeryScale: Points, Minimum: 1, Maximum: \<0, higher score means better outcome
10 m Walking testBefore surgery; day 3-7 after surgery; 3 months and 1 year after surgery
WOMAC ScoreBefore surgery; 1 year after surgery, higher score means better outcomeScale: Points, Minimum: 0, Maximum: 240, higher score means worse outcome
Forgotten Joint ScoreBefore surgery; 1 year after surgeryScale: Points, Minimum: 0, Maximum: 100, higher score means better outcome
Oxford Knee ScoreBefore surgery; 1 year after surgeryScale: Points, Minimum: 12, Maximum: 60, higher score means worse outcome
Knee Society ScoreBefore surgery; 1 year after surgeryScale: Points, Minimum: 0, Maximum: 100, higher score means better outcome
Functional reach testBefore surgery; day 3-7 after surgery; 3 months and 1 year after surgery
Area of SwayBefore surgery; day 3-7 after surgery; 3 months and 1 year after surgeryPosturographic Parameter
Frequency of SwayBefore surgery; day 3-7 after surgery; 3 months and 1 year after surgeryPosturographic Parameter
Harmony IndexBefore surgery; day 3-7 after surgery; 3 months and 1 year after surgeryPosturographic Parameter
Stability energyBefore surgery; day 3-7 after surgery; 3 months and 1 year after surgeryPosturographic Parameter
Movement controlBefore surgery; day 3-7 after surgery; 3 months and 1 year after surgeryPosturographic Parameter
Feedback (visual, somatosensoric, vestibular)Before surgery; day 3-7 after surgery; 3 months and 1 year after surgeryPosturographic Parameter
Weight Distribution IndexBefore surgery; day 3-7 after surgery; 3 months and 1 year after surgeryPosturographic Parameter
Fulfillment of TestsBefore surgery; day 3-7 after surgery; 3 months and 1 year after surgeryPosturographic Parameter
The University of California at Los Angeles Activity ScoreBefore surgery; 1 year after surgeryScale: Points, Minimum: 1, Maximum: 10, higher score means better outcome

Countries

Austria

Contacts

Primary ContactChristian Mittermaier, Dr
christian.mittermaier@kepleruniklinikum.at+43 5 7680 83

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026