Joint Preservation
Knee Cartilage Restoration in Glendale, AZ
Articular cartilage is the smooth white surface that lets the bones of the knee glide. Unlike the meniscus, it has no blood supply and does not heal on its own. When a focused patch of cartilage is damaged by an injury or a loose fragment, the result is pain, swelling, and catching that does not fit a typical arthritis picture. Dr. James MacKenzie offers cartilage restoration in Glendale, Arizona for younger, active patients with these focal defects, with the goal of relieving symptoms and helping delay or avoid knee replacement.
Why patients choose Dr. MacKenzie
- Board-certified orthopedic surgeon
- Fellow, American Academy of Orthopaedic Surgeons (FAAOS)
- Johns Hopkins residency, sports medicine fellowship
- Former assistant team physician, Miami Dolphins & Miami Heat
- Nonsurgical options first, surgery only when needed
- Se habla español
Cartilage Damage vs. Arthritis
Arthritis is widespread, gradual wear across the joint. A focal cartilage defect is a single, well-defined crater in an otherwise healthy knee, often caused by a twisting injury, a kneecap dislocation, or a condition called osteochondritis dissecans in younger patients. The distinction matters: restoration procedures work for focal defects in a stable, well-aligned knee, not for diffuse arthritis.
Who Is a Candidate?
The best candidates are active patients, generally under fifty, with a single cartilage lesion, a stable knee, and good alignment. If the ACL is torn or the meniscus is missing, those problems are addressed at the same time or first, because a cartilage repair cannot survive in an unstable or overloaded knee. Dr. MacKenzie uses MRI and a careful exam to decide whether restoration is realistic.
Restoration Options
Small lesions can be treated with marrow stimulation, which encourages the body to fill the defect with repair tissue. Larger lesions may call for transferring a plug of healthy cartilage and bone from a low-load area of your knee, implanting donor cartilage, or growing your own cartilage cells in a lab and implanting them in a second procedure. Each option has a different recovery and a different best use, and Dr. MacKenzie explains why he recommends one for your knee.
Unloading the Repair
When the leg is bowed or knock-kneed, the damaged compartment carries more than its share of load. In those knees, Dr. MacKenzie may recommend a realignment procedure called an osteotomy alongside the cartilage work so the repair is protected. It is a bigger operation, but for the right patient it is what makes the result last.
Recovery After Cartilage Restoration
Repair tissue is fragile at first. Most patients use crutches for six weeks with limited weight bearing, and a motion machine or guided therapy keeps the joint moving to help the new surface mature. Low-impact activity returns over several months, and return to running or cutting sports typically takes nine to twelve months, depending on the procedure.
Honest Expectations
Cartilage restoration is not a cure for arthritis, and not every patient is a candidate. For the right knee it can relieve pain and catching and may delay or avoid replacement for years. For a knee with widespread wear, Dr. MacKenzie will say so and talk through injections, bracing, or robotic knee replacement instead.
Risks
Risks of cartilage restoration include infection, blood clots, stiffness, failure of the repair tissue to fill or mature, persistent pain, and the need for additional surgery. Larger procedures carry more risk and a longer recovery, which Dr. MacKenzie reviews in detail during your consultation.
Questions
Frequently Asked Questions
Don’t see your question here? Our team is happy to help.
Can knee cartilage grow back?
Articular cartilage does not regrow on its own. Restoration procedures either stimulate repair tissue to fill the defect or transplant healthy cartilage into it.
Am I too old for cartilage restoration?
Age is a guide, not a cutoff. The condition of the rest of the knee matters more. Most candidates are under fifty with a single lesion and no widespread arthritis.
How long until I can run again?
Low-impact activities such as cycling and swimming return within a few months. Running and cutting sports typically wait nine to twelve months, depending on the procedure.
Is cartilage restoration covered by insurance?
Most procedures are covered when medically necessary, though some newer techniques require prior authorization. Our team verifies coverage before scheduling.
What if I am not a candidate?
Dr. MacKenzie will tell you plainly and discuss the alternatives, including injections, bracing, physical therapy, and when appropriate, partial or total knee replacement.
Schedule a Consultation with Dr. MacKenzie
Call the office or request an appointment online and our team will help you take the next step.