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2015.06.28
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Overview
If the joint on one of your toes, usually the toe next to the big toe or the smallest toe, points upward rather than lying flat, you might have a Hammertoe. The condition is actually a deformity that happens when one of the toe muscles becomes weak and puts pressure on the toe?s tendons and joints. This pressure forces the toe to become misshapen and stick up at the joint. Also, there?s frequently a corn or callus on top of the deformed toe. This outgrowth can cause pain when it rubs against the shoe.

Causes
Hammertoe commonly develops because of structural changes that take place over time in the muscles and tendons that bend the toes. People with certain medical conditions, such as diabetes, are at risk for developing hammertoe. It can be an inherited condition for some people. Other causes include trauma and wearing shoes that are too tight, narrow, or have high heels. The toe next to the big toe (second toe) is most frequently affected by hammertoe.

Symptoms
The most obvious symptom of hammertoe is the bent, hammer-like or claw-like appearance of one or more of your toes. Typically, the proximal joint of a toe will be bending upward and the distal joint will be bending downward. In some cases, both joints may bend downward, causing the toes to curl under the foot. In the variation of mallet toe, only the distal joint bends downward. Other symptoms may include Pain and stiffness during movement of the toe, Painful corns on the tops of the toe or toes from rubbing against the top of the shoe's toe box, Painful calluses on the bottoms of the toe or toes, Pain on the bottom of the ball of the foot, Redness and swelling at the joints. If you have any of these symptoms, especially the hammer shape, pain or stiffness in a toe or toes, you should consider consulting your physician. Even if you're not significantly bothered by some of these symptoms, the severity of a hammertoe can become worse over time and should be treated as soon as possible. Up to a point hammertoes can be treated without surgery and should be taken care of before they pass that point. After that, surgery may be the only solution.

Diagnosis
Your healthcare provider will examine your foot, checking for redness, swelling, corns, and calluses. Your provider will also measure the flexibility of your toes and test how much feeling you have in your toes. You may have blood tests to check for arthritis, diabetes, and infection.

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
Surgery to straighten the toe may be needed if an ulcer has formed on either the end or the top surface of the toe. Surgery sometimes involves cutting the tendons that support movement in the toe so that the toe can be straightened. Cutting the tendons, however, takes away the ability to bend the very end of the toe. Another type of surgery combines temporary insertion of a pin or rod into the toe and alteration or repair of the tendons, so that the toe is straightened. After surgery, the deformity rarely recurs.






最終更新日  2015.06.29 01:59:02
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