期刊
JOURNAL OF CLINICAL MEDICINE
卷 11, 期 15, 页码 -出版社
MDPI
DOI: 10.3390/jcm11154414
关键词
bone marrow edema; subchondral bone; platelet-rich plasma; orthobiologics; intra-articular; injections; knee; osteoarthritis
资金
- Italian Ministry of Health [RCR-2021-23671217]
This study indicates that the presence of bone marrow edema does not influence the clinical outcomes of intra-articular PRP injections in knee osteoarthritis patients. The area and site of bone marrow edema do not affect the treatment results, but patients with higher grades of bone marrow edema have a higher failure rate.
Platelet-rich plasma (PRP) is increasingly used for the intra-articular treatment of knee osteoarthritis (OA). However, clinical studies on PRP injections reported controversial results. Bone marrow edema (BME) can cause symptoms by affecting the subchondral bone and it is not targeted by intra-articular treatments. The aim of this study was to investigate if the presence of BME can influence the outcome of intra-articular PRP injections in knee OA patients. A total of 201 patients were included in the study, 80 with and 121 without BME at the baseline MRI. BME area and site were evaluated, and BME was graded using the Whole-Organ Magnetic Resonance Imaging Score (WORMS). Patients were assessed with International Knee Documentation Committee (IKDC) score Knee injury and Osteoarthritis Outcome Score (KOOS) subscales, the EuroQol-Visual Analogue Scale (EQ-VAS), and the Tegner score at baseline, 2, 6, and 12 months. Overall, the presence of BME did not influence the clinical results of intra-articular PRP injections in these patients treated for knee OA. Patients with BME presented a similar failure rate and clinical improvement after PRP treatment compared to patients without BME. The area and site of BME did not affect clinical outcomes. However, patients with a higher BME grade had a higher failure rate.
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