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| Name | Class |
|---|---|
| Wroclaw Medical University | OTHER |
| Jan Dlugosz University in Czestochowa | OTHER |
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The study aims to evaluate the efficacy of antigravity treadmill training and body weight-supported treadmill training in the rehabilitation of elderly patients (60-75 years) following hip or knee arthroplasty.
This randomized controlled trial will recruit 60 patients aged 60-75 years, within 3 months after total hip or knee arthroplasty, admitted to the Rehabilitation Unit of St. Jadwiga Hospital in Trzebnica. Participants will be randomly assigned to one of three groups: (i) body weight-supported treadmill group (n=20), (ii) antigravity treadmill group (n=20), or (iii) control group receiving conventional gait training (n=20). All patients will receive comprehensive daily therapy for 6 weeks, including kinesitherapy, ergotherapy, and physical therapy procedures under professional supervision.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Antigravity Treadmill Training Group | Experimental | Conventional orthopedic rehabilitation supplemented by antigravity yreadmill training |
|
| Body Weight-Supported Treadmill Training | Active Comparator | Conventional orthopedic rehabilitation supplemented by body weight-supported treadmill training |
|
| Control Group | Active Comparator | Conventional orthopedic rehabilitation |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Antigravity Treadmill Training | Behavioral | Antigravity treadmill training uses air pressure to reduce effective body weight during walking, minimizing joint load while preserving gait mechanics. The 6-week intervention includes five sessions per week within a 120-minute daily kinesitherapy program. Treadmill speed is individualized at baseline and increased by 0.5 km/h every two weeks. Unloading is progressively reduced: 60% support in weeks 1-2, 40% in weeks 3-4, and 20% in weeks 5-6, allowing gradual adaptation to full weight-bearing. |
| Measure | Description | Time Frame |
|---|---|---|
| Western Ontario and McMaster Universities Osteoarthritis Index | The Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) is a 24-item questionnaire used to assess pain, stiffness, and physical function in patients with hip or knee osteoarthritis. Each item is scored on a scale from 0 to 4, with higher scores indicating greater severity. The total score is calculated as the sum of three subscales: pain (0-20 points), stiffness (0-8 points), and physical function (0-68 points), yielding a global score range of 0 to 96. Higher scores reflect worse joint function, greater pain, and more severe stiffness. | Baseline and after 6 weeks of intervention |
| Measure | Description | Time Frame |
|---|---|---|
| Berg Balance Scale | The Berg Balance Scale (BBS) is a 14-item instrument assessing static and dynamic balance, scored 0 to 4 per item, with a total score ranging from 0 to 56. Higher scores indicate better balance and lower fall risk. | Baseline and after 6 weeks of intervention |
| Patient Health Questionnaire |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Justyna Mazurek, PhD | Contact | 695180984 | +48 | justyna.mazurek@umed.wroc.pl |
| Błażej Cieślik, PhD | Contact | 500138483 | +48 | blaze.cieslik@gmail.com |
| Name | Affiliation | Role |
|---|---|---|
| Justyna Mazurek, PhD | Wroclaw Medical University | Principal Investigator |
| Błażej Cieślik, PhD | Wroclaw University of Health and Sport Sciences | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| St. Hedwig of Silesia Hospital in Trzebnica | Recruiting | Trzebnica | Lower Silesian Voivodeship | 55-100 | Poland |
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| ID | Term |
|---|---|
| D007592 | Joint Diseases |
| D010003 | Osteoarthritis |
| ID | Term |
|---|---|
| D009140 | Musculoskeletal Diseases |
| D001168 | Arthritis |
| D012216 | Rheumatic Diseases |
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| Body Weight-Supported Treadmill Training | Behavioral | Body weight-supported treadmill training uses a harness-based system to partially offload body weight, promoting safe ambulation and gait normalization in early postoperative rehabilitation. The 6-week intervention includes five sessions per week within the 120-minute daily kinesitherapy program. Treadmill speed is individualized at baseline and increased by 0.5 km/h every two weeks, depending on tolerance. The unloading level remains constant and is individually adjusted to ensure safety. |
|
| Conventional rehabilitation | Behavioral | Conventional rehabilitation follows standard postoperative protocols after hip or knee arthroplasty. The 6-week program includes five weekly sessions. Gait training is conducted in hospital corridors under physiotherapist supervision, using assistive devices as needed (crutches, walkers). Daily therapy includes 120 minutes of kinesiotherapy (general exercises and gait training), 30 minutes of ergotherapy to improve functional independence, and three individualized physical therapy procedures (laser therapy, magnetic therapy, or electrotherapy) tailored to patient needs. |
|
The Patient Health Questionnaire (PHQ-9) is a 9-item self-report scale measuring depressive symptoms, scored from 0 to 3 per item, with total scores ranging from 0 to 27. Higher scores indicate greater depression severity. |
| Baseline and after 6 weeks of intervention |
| Perceived Stress Scale | The Perceived Stress Scale (PSS-10) is a 10-item instrument assessing perceived stress over the past month. Each item is rated 0-4, with total scores ranging from 0 to 40. Higher scores indicate higher perceived stress levels. | Baseline and after 6 weeks of intervention |
| Falls Efficacy Scale-International | The Falls Efficacy Scale-International (FES-I) consists of 16 items assessing concern about falling during various activities. Items are scored from 1 to 4, with total scores ranging from 16 to 64. Higher scores reflect greater fear of falling. | Baseline and after 6 weeks of intervention |
| Step Length | Step length (in centimetres) for the left and right lower limbs will be assessed during walking on an antigravity treadmill with integrated gait analysis. Values will be reported separately for each leg. An increase in step length is expected following the intervention. | Baseline and after 6 weeks of intervention |
| Step Time | Step time (in milliseconds) for the left and right lower limbs will be measured during treadmill walking using an antigravity system. Values will be reported separately for each leg. A decrease in step time is expected following the intervention. | Baseline and after 6 weeks of intervention |
| Stance Phase Duration | Stance phase duration (in percent of gait cycle) for the left and right lower limbs will be recorded during walking on an antigravity treadmill. Values will be reported separately for each leg. | Baseline and after 6 weeks of intervention |
| Swing Phase Duration | Swing phase duration (in percent of gait cycle) for the left and right lower limbs will be assessed using gait analysis on an antigravity treadmill. Results will be reported separately for each leg. | Baseline and after 6 weeks of intervention |
| Vertical Load | Vertical load (in percent of body weight) applied by the left and right lower limbs during stance will be measured using an antigravity treadmill with embedded load sensors. Values will be reported separately for each leg. | Baseline and after 6 weeks of intervention |
| Joanna Szczepańska-Gieracha, Prof. |
| Wroclaw University of Health and Sport Sciences |
| Study Director |