Anterior Cruciate Ligament Injuries Clinical Trial
Official title:
Dynamic Gait-Synchronous Neuromuscular Electrical Stimulation Following Anterior Cruciate Ligament Reconstruction
The goal of this clinical trial is to examine the effects of 12 weeks of post-operative use of a novel wearable electrical stimulation knee sleeve device (KneeStim) on post-operative biomechanical function (gait). Participants will be United States Military Academy cadets aged 17-27 years. The main questions it aims to answer are: - Examine the effects of KneeStim wear on cadets' post-operative gait - Examine changes in site-specific skeletal muscle mass - Examine the changes in patient-reported outcomes - Assess time to return to full duty - Compare Bioelectrical Impedance Analysis (BIA) measurements to Magnetic Resonance Imaging (MRI) measurements (total thigh volume) - Determine the concurrent criterion validity of the KneeStim device compared to gold- standard metrics (3D Motion Capture) Participants will undergo body composition analysis, MRI, strength testing, standard of care rehabilitation, gait analysis, and complete surveys. Participants will wear the KneeStim during their standard of care rehabilitation visits for the first 5 weeks post-operative, and throughout daily tasks from 6-12 weeks. Researchers will compare a control group (standard of care + KneeStim controlled low intensity) to an experimental group (standard of care + KneeStim flexible intensity) to assess the aims previously mentioned..
Status | Recruiting |
Enrollment | 60 |
Est. completion date | September 1, 2026 |
Est. primary completion date | April 1, 2026 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 17 Years to 27 Years |
Eligibility | Inclusion Criteria: 1. United States Military Academy cadet between ages of 17-27 years 2. undergoing anterior cruciate ligament reconstruction Exclusion Criteria: 1. Previous ligamentous surgery in ipsilateral knee 2. Concomitant or prior high tibial osteotomy (HTO) 3. Concomitant or prior cartilage restoration procedure 4. Concomitant ligamentous reconstruction (lateral collateral ligament; posterior cruciate ligament; medial collateral ligament) 5. Contraindications to using the KneeStim device - Use of pacemaker, defibrillators, or other implanted electronic devices, as this may cause electric shock, burns, electrical interference, or death Unstable angina or decompensated heart failure Epilepsy or history of seizure disorder Pregnancy or planning to become pregnant (Self reported) Critical ischemia of lower limbs Moderate to severe dementia Altered sensation at the knee such that the user cannot feel a pinprick Undiagnosed pain syndromes 6. Meniscus tear precluding weight bearing for 6 weeks. |
Country | Name | City | State |
---|---|---|---|
United States | Keller Army Community Hospital | West Point | New York |
Lead Sponsor | Collaborator |
---|---|
Keller Army Community Hospital | Medical Technology Enterprise Consortium |
United States,
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* Note: There are 15 references in all — Click here to view all references
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Change in gait post-operatively assessed by the KneeStimTM Device | Effects of a novel wearable electrical stimulation knee sleeve device (KneeStim) on post-operative biomechanical function (femur sagittal angle, tibial sagittal angle, femur coronal angle, tibial coronal angle, femur and tibia coronal velocity) | 6 weeks;3, 6, 9, 12 months post-operative | |
Secondary | change in gait post-operatively assessed by 3D Motion capture | Kinetic and kinematic biomechanical data will be monitored throughout the return to run phases of rehabilitation in knee and hip joints (walking and running); changes in gait speed (walking and running); changes in join angle range of motion (walking and running); changes in stride length (walking and running) | 3, 6, 9, 12 months post-operative | |
Secondary | change in gait post-operatively assessed by force plate instrumented treadmill | Ground reaction forces will be recorded simultaneously with the motion capture system via force plates on an instrumented treadmill to determine force output between limbs during walking and running trials. | 3, 6, 9, 12 months post-operative | |
Secondary | change in muscle volume assessed by MRI | Summation of the cross-sectional area and volumetric measurements | pre-operative, 3, 6, 9, 12 months post-operative | |
Secondary | ACL graft healing assessed by MRI | Signal intensity will be used to monitor tissue quality throughout healing process | pre-operative, 3, 6, 9, 12 months post-operative | |
Secondary | Change in isometric muscle strength assessed by CSMi HUMAC NORM | Rate of torque development (in ms) over time. | 3, 6, 9, 12 months post-operative | |
Secondary | Change in skeletal muscle mass assessed by bioelectrical impedance analysis (SECA BIA) | Skeletal muscle mass will be measured (in kg) to monitor rate of muscle hypertrophy/atrophy over rehabilitation timeline. | pre-operative, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 months post-operative | |
Secondary | Change in lean body mass assessed by bioelectrical impedance analysis (SECA BIA) | Muscle mass, bone mass, and body fluid (kg/m2) will be measured to contribute to Body Mass Index (BMI) scores. | pre-operative, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 months post-operative | |
Secondary | Change in fat mass assessed by bioelectrical impedance analysis (SECA BIA) | Fat mass (kg/m2) will be measured to contribute to body mass index (BMI) scores. | pre-operative, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 months post-operative | |
Secondary | Change in knee pain and function assessed by the Knee Injury and Osteoarthritis Score (KOOS) | The KOOS is a self-reported outcome measure assessing the patient's perspective about the health, symptoms, and functionality of their knee. It is a 42-item questionnaire, including 5 subscales: symptoms, pain, activities of daily living, function in sports/recreation, and quality of life. A likert scale is used and all items have five possible answers ranging from 0 (no problems) to 4 (extreme problems). The five subscale scores are calculated as the sum of the items for each subscale. Scores are then transformed to a 0-100 scale, with 0 representing extreme knee problems and 100 representing no knee problems. | pre-operative, 3, 6, 9, 12 months post-operative | |
Secondary | Change in knee pain and function assessed by the International Knee Documentation Committee Subjective Knee Evaluation Form (IKDC) | The IKDC is a self-reported outcome measure that assesses knee disability and function before and after treatment. It consists of 18 items that measure symptoms, function, and sports activity. Response types include 5-point Likert Scales, 11-point Likert scales, and dichotomous "yes-no" responses. | pre-operative, 3, 6, 9, 12 months post-operative | |
Secondary | Change in knee pain assessed by the Patient-Reported Outcome Measure Information System (PROMIS-29) | PROMIS-29 is a self-reported outcome measure assessing for the patient's pain intensity. It is a 28-item questionnaire, which includes 7 subscales of four items each: physical function, fatigue, pain interference, depressive symptoms, anxiety, ability to participate in social roles and activities, and sleep disturbance. A likert scale is used for all domain response scales, however they vary in responses. | pre-operative, 3, 6, 9, 12 months post-operative | |
Secondary | Change in knee function assessed with the Single Assessment Numeric Evaluation Method (SANE) | Participants will provide a numerical rating from 0 (least normal) to 100 (most normal) of the perceived improvement in knee health in relation to their pre-injury baseline. | pre-operative, 3, 6, 9, 12 months post-operative | |
Secondary | Change in knee function assessed by the Marx Activity Rating Scale (MARS) | MARS includes 4 items that assess the frequency of running, cutting, decelerating, and pivoting based on the subjects "healthiest and most active state in the past year". Each item is scored on a 5-point ordinal scale ranging from 0 (less than 1 time in a month) to 4 (4 or more times in a week), and the total scale score is obtained by summing the individual items' scores (range, 0-16). A higher score indicates more functional demand on the knee joint and potentially a higher risk of injury. | pre-operative, 3, 6, 9, 12 months post-operative | |
Secondary | Impact of ACL surgery on overall quality of life assessed by the Anterior Cruciate Ligament-Quality of Life (ACL-QOL) | The questionnaire consists of 32 equally weighted questions that are answered using a 100 mm visual analog scale and is scored of 100. It comprises 5 domains, including (1) symptoms and physical complaints (5 items); (2) work-related concerns (4 items); (3) recreational activity and sport participation or competition (12 items); (4) lifestyle (6 items); and (5) social and emotional (5 items). | pre-operative, 3, 6, 9, 12 months post-operative | |
Secondary | Change of running gait function from the patients' perspective assessed by the University of Wisconsin Running Injury and Recovery Index (UWRI) | The 9-item UWRI assesses running ability following a running related injury, with the maximum score of 36 indicating a return to preinjury running ability. | pre-operative, 3, 6, 9, 12 months post-operative | |
Secondary | Change of knee pain from the patients' perspective assessed by the Visual Analog Scale (VAS) | Will measure average knee pain over a given timeframe from 0 to 10 cm visual analogue scale where 0 cm equals no pain and 10 cm indicates the most severe pain the patient could imagine. Higher numbers equal greater levels of reported pain. | Weekly from 1 week post-operative until 9 months; monthly from 9-12 months | |
Secondary | Time to return to full duty | Measured by the time from post-operative timepoint to time of full clearance for military tasks | 12 months post-operative |
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