What is BMAC?
BMAC stands for Bone Marrow Aspirate Concentrate. It is a regenerative therapy where bone marrow — rich in stem cells and growth factors — is aspirated from the patient's own pelvis bone, concentrated using a centrifuge, and injected into the damaged joint. It contains mesenchymal stem cells that can differentiate into cartilage, bone, and other connective tissues.
BMAC vs PRP
PRP uses growth factors from blood platelets. BMAC uses stem cells and growth factors from bone marrow. BMAC is considered more powerful for cartilage regeneration — but is also more complex and expensive. Both use the patient's own body — zero rejection risk.
How the Procedure Works
Under local anaesthesia, a special needle is inserted into the posterior iliac crest. About 60ml of bone marrow is aspirated. The aspirate is centrifuged to concentrate the stem cells and growth factors. The resulting BMAC is then injected into the joint under image guidance.
Conditions Treated with BMAC
- Early to moderate knee osteoarthritis (Grade 1-3)
- Cartilage defects and chondral damage
- Hip osteoarthritis
- Partial rotator cuff tears
- Tendon injuries not responding to PRP
- Avascular necrosis of the femoral head (early stages)
Realistic Outcomes
Most patients notice gradual improvement over 3-6 months. Pain reduction, improved function, and in some cases measurable cartilage regeneration on MRI have been documented. Results can last 2-5 years, after which re-treatment may be considered.
🎬 BMAC Regenerative Therapy — Dr. Sumit Dubewar
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