Bursitis Of The Feet

Overview

There is a thick walled fluid filled bursa between the Achilles tendon and the calcaneal bone. The color Doppler images show hypervascularity of the bursal wall. A minimal amount of fluid in the retrocalcaneal bursa can often be found. A retrocalcaneal bursitis is caused by friction of the Achilles tendon over the upper part of the calcaneal bone. It is often an overuse injury found in athletes.

Causes

Inflammation of the calcaneal bursae is most commonly caused by repetitive overuse and cumulative trauma, as seen in runners wearing tight-fitting shoes. Such bursitis may also be associated with conditions such as gout, rheumatoid arthritis, and seronegative spondyloarthropathies. In some cases, subtendinous calcaneal bursitis is caused by bursal impingement between the Achilles tendon and an excessively prominent posterior superior aspect of a calcaneus that has been affected by Haglund deformity. With Haglund disease, impingement occurs during ankle dorsiflexion.

Symptoms

Below is a list of common signs and symptoms of retrocalcaneal bursitis. Recognizing and treating symptoms early can prevent retrocalcaneal bursitis from becoming chronic. Swelling. The retrocalcaneal bursa is located behind the Achilles tendon, just above where the tendon attaches to the heel bone. When the bursa is inflamed it will cause visible soft tissue swelling near the top of the heel bone. It is worth noting that bursitis of the retroachilles bursa, which is located between the Achilles tendon and skin, can manifest slightly differently: swelling may be more distinct, appearing as a hard lump behind the heel. Retroachilles bursitis is also more likely than retrocalcaneal bursitis to cause the skin at the back of the heel to turn red.

Diagnosis

On physical examination, patients have tenderness at the site of the inflamed bursa. If the bursa is superficial, physical examination findings are significant for localized tenderness, warmth, edema, and erythema of the skin. Reduced active range of motion with preserved passive range of motion is suggestive of bursitis, but the differential diagnosis includes tendinitis and muscle injury. A decrease in both active and passive range of motion is more suggestive of other musculoskeletal disorders. In patients with chronic bursitis, the affected limb may show disuse atrophy and weakness. Tendons may also be weakened and tender.

Non Surgical Treatment

During the initial acute phase of the condition, patients should apply ice to the back of the heel for 15 to 20 minutes and follow the R.I.C.E.R regime. Avoid activities that cause pain. Gradual progressive stretching of the calf muscle and Achilles tendon is also advocated. Changing the footwear. Wearing an open-backed shoe may help relieve pressure on the affected region. For those whose symptoms were caused by a sudden change from wearing high-heeled shoes to flat shoes, the temporary use of footwear with a heel height in between may be helpful. Inserting a heel cup in the shoe may help to raise the inflamed region slightly above the shoe?s restricting heel counter and relieve the pain. It is advisable to also insert the heel cup into the other shoe to avoid any leg-leg discrepancies that can lead to other problems. Training frequency and intensity should be gradually progressed with adequate rest between trainings.

Surgical Treatment

Surgery to remove the damaged bursa may be performed in extreme cases. If the bursitis is caused by an infection, then additional treatment is needed. Septic bursitis is caused by the presence of a pus-forming organism, usually staphylococcus aureus. This is confirmed by examining a sample of the fluid in the bursa and requires treatment with antibiotics taken by mouth, injected into a muscle or into a vein (intravenously). The bursa will also need to be drained by needle two or three times over the first week of treatment. When a patient has such a serious infection, there may be underlying causes. There could be undiscovered diabetes, or an inefficient immune system caused by human immunodeficiency virus infection (HIV).

Prevention

Do not run if you have pain. When you begin running again, avoid running fast uphill or downhill until the tendon is fully healed. Start exercising when caregivers say that it is OK. Slowly start exercise such as bicycling when caregivers say it is OK. When doing exercises that put pressure on the ankles, such as running or walking, exercise on flat, even surfaces. Avoid doing these exercises on very hard surfaces such as asphalt or concrete. Stretch before exercising. Always warm up your muscles and stretch gently before exercising. Do cool down exercises when you are finished. This will loosen your muscles and decrease stress on your heel. Wear heel protectors. Use soft foam or felt heel pads (wedges or cups) to help decrease pressure against your heel. Ask your caregiver which heel pads are the best for you. Wear well-fitting shoes. Buy running or exercise shoes that support and fit your feet well. Do not wear low-cut shoes. Talk to your caregiver or go to a special exercise footwear store to get well-fitting athletic shoes. Ask your caregiver if you should wear specially-made shoe inserts called orthotics (or-THOT-iks). Orthotics can line up your feet in your shoes to help you run, walk and exercise correctly.

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