I have heard that you can only have 3 cortisone injections over a lifetime. Is that true?

Corticosteroids are steroid medications that are frequently used to help minimize inflammation.  They can be administered orally, topically, or by injection into a specific area or intravascularly.  In contrast to anabolic steroids, which are those steroids that are used to build muscle mass, corticosteroids are catabolic steroids, which “break down” as opposed to “build up”.  […]

What are the facts and myths with Stem Cell injections?

Stem cells are progenitor cells in the body that have the ability to differentiate into different cell lines, thus, the ability to generate bone, soft tissue, cartilage, and organ tissue.  In the lab, cells can be made to differentiate and regenerate heart tissue, ear cartilage, etc.  To date, modifying stem cells is not approved by […]

I have heard about injecting “chicken fat” into knees. Can you tell me about that?

I think you are referring to hyaluronic acid injections.  Orthopedic surgeons have been using hyaluronic acid injections to help patients with knee arthritis for more than 20 years.  Hyaluronic acid is a substance that is present in the human body with highest concentrations in joints and eyes.  The substance gives joint fluid more viscosity and […]

How long do Knee Replacements last?

 Many long-term outcome studies show that a well balanced and fixated total knee replacement can last 20 years in over 90% of patients.  While it will take another 20 years to determine if newer technology has led to longer survival, new technology like robotic assisted and computer aided real time implant positioning software assures perfect […]

Can I kneel after a Knee Replacement?

In a 2002 study, 75 patients ( 100 knee replacements ) were queried about whether they could kneel 6 months after a knee replacement.  Approximately two-thirds of the patients could kneel with little or no discomfort.  Approximately 25% could not kneel due to pain.  Over 50% of patients avoided kneeling because of uncertainty or recommendations […]

Is running bad for your knees?

This is a common question, and I am not sure I have a great answer.  Running requires impact loading of the lower extremities, including the knees.  For some people that have knee malalignment, meniscus deficiency, cartilage erosions or genetic defects in cartilage, knee instability, and those that are carrying too much weight, then the repetitive […]