Abstract
Introduction
Knee osteoarthritis (OA) is a widespread, disabling condition with no intervention to fully restore cartilage or halt progression. Bone marrow aspirate concentrate (BMAC), an autologous product from bone marrow aspiration, has shown promise as a regenerative therapy due to its cell composition and chondrogenic effects. Our study aims to assess the functional outcomes, including pain, function, satisfaction, and complications post-BMAC injection in knee OA patients.
Materials and Methods
In this prospective, single-center study, 63 patients with grade II–III knee OA (Kellgren–Lawrence (K–L) scale) unresponsive to conservative management underwent BMAC injection. The procedure involved bone marrow aspiration from the anterior iliac crest, processing to obtain a concentrate, followed by intra-articular injection. Patients were followed for 24 months, assessing outcomes using the Visual Analog Scale (VAS), International Knee Documentation Committee (IKDC) score, and MOCART 2.0 score.
Results
The cohort, with a slight female predominance and predominantly aged 41–50 years, majorly comprised K–L grade III OA patients. BMAC treatment resulted in significant improvements in VAS pain scores, IKDC functional scores, and MOCART 2.0 scores over the 24-month follow-up.
Conclusion
BMAC injection provides significant improvement in both pain and functional outcomes at mid-term follow-up in patients with mild-to-moderate OA of the knee. Further high-quality, adequately powered, multi-center, prospective, double-blinded, randomized controlled trials with longer follow-up are necessary to justify the routine clinical use of BMAC for treatment of patients suffering with knee OA.
Graphical Abstract
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Data Availability
The data are contained within the manuscript.
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Conceptualization: Jeyaraman M; data collection: Jeyaraman M, Jeyaraman N, and Ranjan R; manuscript writing: Jeyaraman M and Ramasubramanian S; manuscript revision: Gupta A; proof reading: Jeyaraman M, Jha SK, and Gupta A; administration: Jha SK; and supervision: Gupta A.
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Jeyaraman, M., Jeyaraman, N., Ramasubramanian, S. et al. Bone Marrow Aspirate Concentrate for Treatment of Primary Knee Osteoarthritis: A Prospective, Single-Center, Non-randomized Study with 2-Year Follow-Up. JOIO (2024). https://doi.org/10.1007/s43465-024-01168-6
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DOI: https://doi.org/10.1007/s43465-024-01168-6