Florida Orthopedic Foot & Ankle Center
Foot and Ankle Specialists located in Sarasota, FL
Foot and Ankle Cartilage Repair Q & A
Cartilage Regeneration Benefits Sarasota Florida Athletes and Boomers with Aching Ankles
Ground-breaking cartilage regeneration isn't exactly the Fountain of Youth. But for aging boomers and athletes with aching and injured ankle joints, it's close enough, making them feel almost new again.
Foot and ankle surgeons are gathered this spring at the Annual Scientific Conference of the American College of Foot and Ankle Surgeons (ACFAS) to study revolutionary advances in cartilage regeneration for foot and ankle injuries. The presentations will review bioengineered scaffolding for reconstruction surgery, microfracture techniques, and stem cell cartilage regeneration that are being used to create cartilage-like scaffolds where voids once existed.
These are welcome discoveries. Ankle injuries among baby boomers are quite common because our joints degenerate with age. As joint strength fades, our bodies are more prone to injury. For athletes, overuse and injury contribute to cartilage damage, especially. "Whereas in the past, a loss of cartilage meant a loss of functionality, today's advances promote cartilage regeneration," explains Dr. Cottom. New techniques use a bone-friendly scaffolding material-such as a sponge allograft-to hold the patient's own stem cells in place until new cartilage forms, assisting the body's natural healing process for torn ligaments and joints. Some of these procedures can even be done in the office.
"With today's scientific advances, "joint reconstruction surgery with cartilage regeneration offers real hope for long-term functionality. Patients benefit because these techniques require less reconstruction and nurture the body's own ability to heal itself-with a little boost from technology and a knowledgeable surgeon." Whatever the cause of cartilage loss, research and testing to-date has shown much promise in returning both athletes and boomers to their former, and sometimes greater, functionality and mobility.
Such advances in cartilage regeneration get all patients back to normal faster than ever before. It's not exactly like turning back the clock or erasing our missteps-but most patients agree that it's mighty close.
Talar Dome Lesion
What Is a Talar Dome Lesion?
The ankle joint is composed of the bottom of the tibia (shin) bone and the top of the talus (ankle) bone. The top of the talus is dome-shaped and is completely covered with cartilage—a tough, rubbery tissue that enables the ankle to move smoothly. A talar dome lesion is an injury to the cartilage and underlying bone of the talus within the ankle joint. It is also called an osteochondral defect (OCD) or osteochondral lesion of the talus (OLT). “Osteo” means bone and “chondral” refers to cartilage. ;
Talar dome lesions are usually caused by an injury, such as an ankle sprain. If the cartilage does not heal properly following the injury, it softens and begins to break off. Sometimes a broken piece of the damaged cartilage and bone will float in the ankle.
Signs & Symptoms
Unless the injury is extensive, it may take months, a year or even longer for symptoms to develop. The signs and symptoms of a talar dome lesion may include:
- Chronic pain deep in the ankle—typically worse when bearing weight on the foot (especially during sports) and less when resting
- An occasional clicking or catching feeling in the ankle when walking
- A sensation of the ankle locking or giving out
Episodes of swelling of the ankle—occurring when bearing weight and subsiding when at rest
A talar dome lesion can be hard to pinpoint. To diagnose this injury, we will question you about recent or previous injury and will examine your foot, ankle and leg, moving the ankle joint to help determine if there is pain, clicking or limited motion within that joint.
Sometimes we will inject the joint with an anesthetic (pain-relieving medication) to see if the pain goes away for a while, indicating that the pain is coming from inside the joint. X-rays are taken, and often an MRI or other advanced imaging tests are ordered to further evaluate the lesion and extent of the injury.
Nonsurgical Treatment Approaches
Treatment depends on the severity of the talar dome lesion. If the lesion is stable (without loose pieces of cartilage or bone), one or more of the following nonsurgical treatment options may be considered:
- Immobilization. Depending on the type of injury, the leg may be placed in a cast or cast boot to protect the talus. During this period of immobilization, nonweightbearing range-of-motion exercises may be recommended.
- Oral medications. Nonsteroidal anti-inflammatory drugs (NSAIDs), such as ibuprofen, may be helpful in reducing the pain and inflammation.
- Physical therapy. Range-of-motion and strengthening exercises are beneficial once the lesion is adequately healed. Physical therapy may also include techniques to reduce pain and swelling.
- Ankle brace. Wearing an ankle brace may help protect the patient from reinjury if the ankle is unstable
When Is Surgery Needed?
If nonsurgical treatment fails to relieve the symptoms of talar dome lesions, surgery may be necessary. Surgery may involve removal of the loose bone and cartilage fragments within the joint and establishing an environment for healing. A variety of surgical techniques is available to accomplish this.We will select the best procedure based on the specific case. In most cases these can be done with arthroscopic surgery which is minimally invasive and has proven to be a great option. It allows for smaller incisions, less swelling and pain post-opertively.
Complications of Talar Dome Lesions
Depending on the amount of damage to the cartilage in the ankle joint, arthritis may develop in the joint, resulting in chronic pain, swelling and limited joint motion. Treatment for these complications is best directed by Dr. Cottom and may include one or more of the following:
- Nonsteroidal or steroidal anti-inflammatory medications
- Physical therapy
- Surgical intervention
DATA ON Cartilage Damage
Conservative Treatment of Ankle Osteoarthritis: Can Platelet-Rich Plasma Effectively Postpone Surgery?
Ilaria Repetto, MD
Osteoarthritis is the most common and disabling of the orthopedic diseases. Currently, the conservative treatment of osteoarthritis is limited to symptomatic treatment, whose goal is to improve function and pain control. Ankle osteoarthritis is relatively uncommon, in contrast to osteoarthritis of the hip and knee, and the therapeutic options (both pharmacologic and surgical) are limited, with surgery providing poorer and less predictable results. The effectiveness of platelet-rich plasma injections for osteoarthritis is still controversial, especially so for ankle arthritis, owing to the lack of evidence in the present data. We retrospectively evaluated the mid- to long-term clinical results (mean follow-up of 17.7 months) for platelet-rich plasma injections in 20 patients (20 ankles) with ankle osteoarthritis. We evaluated the presence of pain using the visual analog scale, function using the Foot and Ankle Disability Index, and subjective satisfaction. The pre- and post-treatment scores, obtained from the clinical records and from telephone interviews during the follow-up period, were compared using the Student t test. We found a strong positive effect for 4 platelet-rich plasma injections (injected once a week) on pain (p = .0001) and function (p = .001), with 80% of patients very satisfied and satisfied, and only 2 patients (10%) required surgery because of early treatment failure. These results suggest that the use of platelet-rich plasma injection is a valid and safe alternative to postpone the need for surgery.
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