About this trial
This research study is designed to allow health care professionals and researchers to answer many questions about whether a new type of physical therapy called blood flow restriction training (called BFRT) will improve recovery for those with patellar instability.
Eligibility criteria
Qualifiers
Diagnosis of traumatic patellar instability (either primary or recurrent) determined by an American Board of Family Medicine certified physician with a Certificate of Added Qualifications in Sports Medicine or licensed Physical Therapist utilizing clinical examination, radiographic imaging, and patients' reports of instability
Age 14 to 40 years
Skeletally mature with closed growth plates visualized by radiograph
A score of 80 or more on the Sports Activity Scale, which corresponds to participating in "running, twisting, turning (tennis, racquetball, handball, ice hockey, field hockey, skiing, wrestling)" at least 1-3 times per week
Disqualifiers
Concomitant osteochondral lesion requiring surgical fixation
Radiographic evidence of osteoarthritis (< Kellgren-Lawrence Grade 2)
Previous ipsilateral or contralateral knee surgery
Most recent instability event more than 3 months before enrollment
Trial design
Treatments tested in this trial
- Blood Flow Restriction Training
- Sham Blood Flow Restriction Training