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2015.07.12
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カテゴリ:カテゴリ未分類

Overview
A Hammertoes is a term used to describe a crooked, deviated, or contracted toe. Although the condition usually stems from muscle imbalance, it is often aggravated by poor-fitting shoes or socks that cramp the toes. Over a period of years, the tendons that move the toe up and down begin to pull the toe with unequal tension, and the toe then begins to buckle or become contracted, causing an abnormal ?v?-shaped bending of the little toes. Patients with this condition often experience pain, swelling, redness and stiffness in the affected toes.

Causes
Hereditary and shoe gear are probably the most likely reasons to develop a hammer toe. Tight pointy shoes may cause a hammer toes. High heels also can cause hammer toes. A deformed toe often develops over time, and certain types of feet may be predisposed. Some patients may develop a hammer toe or cross over toe (of the 2nd toe) due to a bunion of the big toe.

Symptoms
A toe (usually the second digit, next to the big toe) bent at the middle joint and clenched into a painful, clawlike position. As the toe points downward, the middle joint may protrude upward. A toe with an end joint that curls under itself. Painful calluses or corns. Redness or a painful corn on top of the bent joint or at the tip of the affected toe, because of persistent rubbing against shoes Pain in the toes that interferes with walking, jogging, dancing, and other normal activities, possibly leading to gait changes.

Diagnosis
The earlier a hammertoe is diagnosed, the better the prognosis and treatment options. Your doctor will be able to diagnose your hammertoe with a simple examination of the foot and your footwear. He or she may take an x-ray to check the severity of the condition. You may also be asked about your symptoms, your normal daily activities, and your medical and family history.

Non Surgical Treatment
Conservative treatment starts with new shoes that have soft, roomy toe boxes. Shoes should be one-half inch longer than your longest toe. For many people, the second toe is longer than the big toe.) Avoid wearing tight, narrow, high-heeled shoes. You may also be able to find a shoe with a deep toe box that accommodates the hammer toe. Or, a shoe repair shop may be able to stretch the toe box so that it bulges out around the toe. Sandals may help, as long as they do not pinch or rub other areas of the foot.

Surgical Treatment
There are several surgical methods to correct a hammer toe. Your physician will decide which method will be most beneficial to you depending on the severity of your deformity, the direction the toe is deviating and the length of the affected toe. Some common surgical methods include. Arthroplasty. To promote straightening, half of the joint located directly underneath the crooked part of the toe is removed. Arthrodesis (fusion) To promote straightening, the joint directly underneath where the toe is crooked is completely removed. A wire or pin is inserted to aid healing. Tendon transfer. Performed alone or in combination with other procedures, a surgeon will take tendons from under the toe and ?re-route? them to the top of the toe to promote straightening. Basal phalangectomy. Performed to assist patients with severe stiffness, this procedure removes the base of the bone underneath the toe. Weil osteotomy. Performed to assist patients with severe stiffness, this procedure involves shortening the metatarsal bone and inserting surgical hardware to aid healing.

Prevention
Early Development. The first year of life is important for foot development. Parents should cover their babies' feet loosely, allowing plenty of opportunity for kicking and exercise. Change the child's position frequently. Children generally start to walk at 10 - 18 months. They should not be forced to start walking early. Wearing just socks or going barefoot indoors helps the foot develop normally and strongly and allows the toes to grasp. Going barefoot outside, however, increases the risk for injury and other conditions, such as plantar warts. Children should wear shoes that are light and flexible, and since their feet tend to perspire, their shoes should be made of materials that breathe. Replace footwear every few months as the child's feet grow. Footwear should never be handed down. Protect children's feet if they participate in high-impact sports.






最終更新日  2015.07.12 21:50:17
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