The purpose of this study is to determine whether outcomes for patients receiving intra-articular platelet-rich plasma (PRP) injections for knee osteoarthritis are influenced by observation of the preparatory steps to the procedure. The viewing of the steps involved in the administration of PRP may increase the effectiveness of the treatment in comparison to patients who have not observed the preparatory steps.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
158
Autologous platelet-rich plasma which will be derived from blood drawn from the patient.
The patient will receive a description of the preparation process and will view the preparation in the centrifuge.
ArthroBiologix
Hamilton, Ontario, Canada
VAS Pain
Visual analog scale pain on a 0-10 scale, with higher scores indicating worse pain.
Time frame: 12 weeks
Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC)
Patient reported knee osteoarthritis index with subscores of pain, function and stiffness. The range of scores on the WOMAC is from 0-96, with higher scores indicating worse outcomes. The subscore of pain is on a scale of 0-20, the subscore of stiffness is 0-8, and the subscale of function is 0-68. The scores of the subscales are summed in order to get the total score.
Time frame: 12 weeks
Range of motion
Range of motion in the knee from full extension to full flexion.
Time frame: 12 weeks
Short Form 12 (SF-12) Functional outcome assessment
Health-related quality of life measure on a scale from 0-100, where higher scores indicate better function.
Time frame: 12 weeks
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