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Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patients aged between 50 and 80 who have undergone TKA surgery due to severe knee osteoarthritis (1). The TKA surgical method must specifically involve posterior stability. No use of medications affecting the autonomic system, such as psychiatric drugs (21). Pain greater than 3 during functional activities (squatting, stair climbing, and rising from a chair). At least 6 months must have passed since surgery (20). No consumption of alcohol or caffeine for at least 24 hours before the evaluation session (21). Positive result on the Active Standing or Head-Up Tilt test in patients.
Exclusion criteria
Exclusion criteria: Patients with a history of dizziness, mental or cognitive issues, or hearing and speech disorders (20). Patients classified as Red Flag, including those with cancer, infection, or central nervous system disorders (20). History of surgery in the lower limbs, except for TKA surgery (20). Patients with unstable blood pressure (20). History of spinal surgery or fracture. Inability to walk independently. Mechanical and movement issues in the operated knee, such as patellofemoral syndrome or prosthesis dislocation. Smoking or use of any drugs (due to their impact on the autonomic system) (21).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Pain intensity. Timepoint: First session and tenth session after intervention. Method of measurement: To assess patient pain, the Visual Analogue Scale (VAS) will be used, consisting of a 10-centimeter ruler where individuals rate their pain, with 0 indicating no pain and 10 representing maximum pain (22).;Disability levels. Timepoint: First session and tenth session after intervention. Method of measurement: Disability levels will be evaluated using the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), with the validity and reliability of the Persian version confirmed by Eftekharsadat et al. in 2015 (23). | — |
Secondary
| Measure | Time frame |
|---|---|
| Disability levels. Timepoint: First session and tenth session after intervention. Method of measurement: Disability levels will be evaluated using the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), with the validity and reliability of the Persian version confirmed by Eftekharsadat et al. in 2015 (23).;Patient satisfaction. Timepoint: First session and tenth session after intervention. Method of measurement: Patient satisfaction post-Total Knee Arthroplasty (TKA) will be assessed using the Oxford Knee Score (OKS), whose Persian version's validity and reliability were established by Ebrahimzadeh et al. in 2014 (24).;Anxiety levels. Timepoint: First session and tenth session after intervention. Method of measurement: Anxiety levels will be evaluated using the Beck Anxiety Inventory (BAI), with the Persian version validated by Kaviani et al. in 2008 (25).;The function of the autonomic system. Timepoint: First session and tenth session after intervention. Method of measurement: The function of the autonomic system will be assessed using the Active Standing test, and if this test is negative, the Head Up Tilt test will be performed (21, 26). | — |
Countries
Iran (Islamic Republic of)
Contacts
Mashhad University of Medical Sciences