Stemcelldoc's Weblog

January 23, 2009

Patellofemoral Dysfunction

The patellofemoral compartment is commonly known as the knee cap joint.  The knee cap (patella)  sits on tops of the thigh bone (femur). 


With activity there is movement or tracking of the knee cap along the femoral groove.  If there is misalignment of the knee cap within the femoral groove, the patient experiences pain.

Lateral release is a common surgical treatment for patellofemoral dysfunction  which involves cutting the lateral retinaculum,  the fibrous tissue that supports the kneecap.  


The goal is to release abnormal lateral tension on the knee cap thereby allowing  normal tracking to occur.  Rehabilitation following surgery is extensive  usually requiring 3-5 months of physical therapy.  Unfortunately the body only requires  adjustments in very small increments such as millimeters.  Regrettably surgeons typically make adjustments in centimeters.  The difference is a 10 fold and the result can be an over adjustment with resultant  pain and deterioration of the cartilage.

Once there is loss of cartilage in the patellofemoral joint another surgery is recommended aimed at repairing the cartilage. 

Fortunately regeneration of cartilage in the knee is now available without surgery.  Regenexx enables patients the opportunity to regenerate cartilage by using their own stem cells.  Centeno et. al., have demonstrated cartilage regeneration using stem cell therapy.  Regenexx is a simple needle-in, needle out procedure that avoids surgery and anesthesia.

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December 27, 2008

Knee Surgery Rehabilitation


Knee surgery rehabilitation varies on the type of surgery performed.

Knee surgery rehabilitation is often minimal in patients who undergone knee arthroscopy.

Knee surgery rehabilitation is extensive for patients who undergo microfracture or total knee replacement. Knee surgery rehabilitation is often painful and requires large amounts of time at a physical therapy office.


Repair of damaged knee cartilage or meniscus does not always require surgery. The benefit of arthroscopy, a surgical procedure in which the surgeon places a small camera into the knee joint through small incisions has recently been questioned. Kirkley et al in the New England Journal of Medicine published a study that demonstrated knee arthroscopy in patients with osteoarthritis had no better outcomes that those that were treated with physical therapy and medicine.

Englund et al also questioned the utility of surgery on the meniscus when most meniscal tears are not associated with pain and only increase in prevalence with age.

Regenexx affords patients with knee pain and damaged cartilage and meniscus a non-surgical option. Regenexx utilizes a patients own stem cells to grow knee cartilage. Centeno et al demonstrated on MRI an increase in knee cartilage in patients who had undergone the Regenexx procedure. Patients are not exposed to the inherent risks of general anesthesia or surgery. The Regenexx procedure is a simple needle in, needle out procedure where a patients own stem cells are injected under x-ray guidance to the area of damage. Please review our patient testimonials.

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