BMAC
What Is BMAC Therapy?
- Definition: BMAC (Bone Marrow Aspirate Concentrate) therapy involves collecting bone marrow from your pelvis, processing it to concentrate stem cells and growth factors, and injecting it into the affected hip.
- Goal: Stimulate new blood vessel growth, repair damaged bone, and slow or stop the progression of AVN.
- Approach: Often combined with core decompression surgery, where small channels are drilled into the femoral head to relieve pressure and allow the stem cells to reach the damaged area.
The Procedure Step-by-Step
- Bone marrow harvest – Bone marrow is taken from the pelvic bone.
- Processing –The marrow is spun in a centrifuge to concentrate stem cells and healing factors.
- Injection– The concentrate is injected into the femoral head, often through a decompression channel.
- Closure – Small incisions are closed, and recovery begins.
Recovery and Rehabilitation
- Hospital stay:Usually 1–2 days.
- Weight bearing:Often limited for several weeks to protect the hip.
- Physiotherapy: Helps restore movement and strengthen muscles.
- Outcome: Works best in early to mid-stage AVN before the bone collapses.
Benefits
- Uses your own cells (autologous), reducing rejection risk.
- Promotes natural healing and bone regeneration.
- May delay or prevent the need for hip replacement.
- Minimally invasive compared to joint replacement surgery.
Risks & Considerations
- Effectiveness depends on the stage of AVN.
- Possible complications: infection, pain at harvest site, or incomplete relief.
- In advanced AVN, hip replacement may still be required later.
Key Message for Patients
BMAC therapy is a promising regenerative option for patients with early-stage AVN of the hip. By using your own stem cells to restore blood supply and repair bone, it can reduce pain, preserve the natural joint, and potentially delay or avoid hip replacement. Success depends on early diagnosis, proper patient selection, and commitment to rehabilitation.
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