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Study the effects of knee intra-articular autologous platelet- rich plasma therapy in treatment of primary knee osteoarthritis

To study the clinical and paraclinical characteristics of primary knee osteoarthritis. To assess the effectiveness and safety of autologous platelet-rich plasma therapy in treament of primary knee osteoarthritis. | We studied 70 patients (106 joints) completed 6-month follow-up period, 30 patients (44 knee) completed 12-month follow-up period. Considering the group completed its own follow-up period: 6 months with 8.6% PRP group unsatisfied 14.6% lower than the rate in the HA group, statistically significant with p <0.001; the corresponding figure at 12 months was 15.2% tracking PRP group was 63.7% lower than the HA group (Table 3.31). However, we classified the patients (in the joint) track give reason not better or increased pain in patients group (joint) are not satisfied with the treatment results, while the proportion dissatisfied with it PRP therapy is (5 + 2)/(58 + 2), with 11.7%; proportion dissatisfied with the HA treatment group (7 + 5)/(48 + 5), by 22.6%. Such ratios are not satisfied with the results of treatment of low PRP treatment group than in the treatment group had statistically significant HA. At the time the group completed 6 months follow-up after treatment of the percentage of very satisfied group was 56.9% PRP treatment is higher than 16.7% of the BP group, p <0.001; after 12 months of follow-up ratio is 42.4% of the PRP group versus 0% in the HA group with p <0.01 (Table 3.31).