Mobile Technology to Measure Knee Health in Osteoarthritis

Summary

Veterans face a high prevalence of knee osteoarthritis (OA), but current diagnostic methods often miss early stages when interventions are more effective. This project will evaluate smartphone-based motion capture via OpenCap to measure joint mechanics in knee OA patients during functional activities, comparing its performance to a conventional motion capture system, patient-reported symptoms, and knee joint structure. The findings will have the potential to enable clinicians to trial OpenCap in its current form, provide insights into tracking joint health, and guide refinements to advance toward earlier diagnosis of knee OA by complementing symptom assessments with measures of joint mechanics.

Eligibility

Inclusion Criteria:

* Veteran and non-Veterans
* males and females
* diagnosed with early knee osteoarthritis
* qualified for and participated in the Precision Assessment of Platelet Rich Plasma for Joint Preservation study (ClinicalTrials.gov ID: NCT03460236)
* able and willing to provide informed consent for follow-up study

Exclusion Criteria:

* symptomatic OA in joints other than the knee in the lower body
* joint replacement
* rheumatic disease
* BMI \> 35 kg/m\^2
* severe systematic disease defined as American Society of Anesthesiologists (ASA) 3 or above
* pregnant or intending to become pregnant during the study

Conditions2

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