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カテゴリ未分類

2015.07.05
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カテゴリ:カテゴリ未分類

Overview
Hammertoe is a condition in which the toes of your feet become contracted into an upside-down "V" shape, causing pain, pressure and, often, corns and calluses. Hammer Toe can develop on any of the toes, but generally affects the middle three toes, most often the second toe. The bones, muscles, ligaments and tendons of your feet normally are well-balanced to distribute your body's weight while standing, walking and running. When the first and second joints of your toes experience the prolonged stress that develops when the muscles that control them fail to work together properly, the pressure on the tendons that support them can lead to the curling or contraction known as hammertoe.

Causes
Most hammertoes are caused by wearing ill-fitting, tight or high-heeled shoes over a long period of time. Shoes that don?t fit well can crowd the toes, putting pressure on the middle toes and causing them to curl downward. Other causes include genes. Some people are born with hammertoe, bunions. These knobby bumps sometimes develop at the side of the big toe. This can make the big toe bend toward the other toes. The big toe can then overlap and crowd the smaller toes. Arthritis in a toe joint can lead to hammertoe.

Symptoms
For some people, a hammer toe is nothing more than an unsightly deformity that detracts from the appearance of the foot. However, discomfort may develop if a corn or callus develops on the end or top of the toe. If pressure and friction continue on the end or top of the toe, a painful ulcer may develop. Discomfort or pain can lead to difficulty walking.

Diagnosis
Most health care professionals can diagnose hammertoe simply by examining your toes and feet. X-rays of the feet are not needed to diagnose hammertoe, but they may be useful to look for signs of some types of arthritis (such as rheumatoid arthritis) or other disorders that can cause hammertoe. If the deformed toe is very painful, your doctor may recommend that you have a fluid sample withdrawn from the joint with a needle so the fluid can be checked for signs of infection or gout (arthritis from crystal deposits).

Non Surgical Treatment
Your podiatrist may recommend one or more of these treatments to manage your hammer toes. Wear shoes with roomy toe boxes which don?t force your toes together. Exercises to stretch and strengthen muscles in the toes. Over the counter toe straps, cushions, and corn pads. Custom orthotic inserts. Toe caps or toe slings. In severe cases, surgery to release the muscles in the affected toes.

Surgical Treatment
A variety of anaesthetic techniques are possible. Be sure an discuss this with your surgeon during your pre-op assessment. The type of surgery performed will depend on the problem with your toes and may involve releasing or lengthening tendons, putting joints back into place, straightening a toe and changing the shape of a bone.Your surgeon may fix the toes in place with wires or tiny screws.






最終更新日  2015.07.05 08:52:35
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2015.07.02
カテゴリ:カテゴリ未分類

Overview
The name Hammertoes comes from the way the tip of the toe hits or hammers on the floor with each step. The primary deformity seen in a hammer toe is found at the PIPJ (proximal interphalangeal joint) which is the first or more proximal of the two joints of the toe. A mallet toe, on the other hand, is a similar deformity but is found in the DIPJ (distal interphalangeal joint). And lastly, claw toes are a deformity where the entire toe grabs and involves the MPJ (metatarsal phalangeal joint) PIPJ and DIPJ. Collectively, these deformities are referred to as hammer toes. Hammer toes can affect one or all of the toes simultaneously.

Causes
The main cause of hammer toe is poorly fitted and/or poorly designed footwear. Any footwear that is too tight in the toe box, especially high-heeled shoes, can push the toes forward, crowding one or more of them into a space that is not large enough to allow the toes to lie flat and spread as they should. Other causes include the following. Changes in foot anatomy. Sometimes the metatarsal bones in the ball of the foot can ?drop,? creating a situation in which the toes do not make contact with the surface of the shoe. The toes may then contract at one or both of the joints to re-establish contact with the surface. Traumatic injuries in which toes are jammed or broken. Diabetic neuropathy. This can cause abnormal foot biomechanics due to nerve and/or muscle damage. Damage to nerves and muscles from other conditions, such as arthritis or stroke. Heredity.

Symptoms
The symptoms of a hammer toe include the following. Pain at the top of the bent toe upon pressure from footwear. Formation of corns on the top of the joint. Redness and swelling at the joint contracture. Restricted or painful motion of the toe joint. Pain in the ball of the foot at the base of the affected toe.

Diagnosis
A hammertoe is usually diagnosed with a physical inspection of your toe. Imaging tests, such as X-rays, may be ordered if you have had a bone, muscle, or ligament injury in your toe.

Non Surgical Treatment
Non-surgical methods for hammer toes (claw toes) are aimed at decreasing symptoms (i.e., pain and/or calluses) and/or limiting the progression into a larger problem. Simple treatments patients can do are wear supportive shoes. Use an arch support. Wear shoes with a wide toe box. Modify activities. Spot stretch shoes. Periodic callus care.

Surgical Treatment
If these treatments are not sufficient at correcting the hammer toe, an operation to straighten the toe may be necessary. This is often performed in conjunction with surgery for a bunion deformity. The surgical treatment of a hammer toe can consist of either cutting the tendons to relieve the pressure that causes the deformity, or fusing the toe so that it points straight permanently.






最終更新日  2015.07.03 00:18:27
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2015.06.28
カテゴリ:カテゴリ未分類

Overview
When a person has Hammertoes, the end of their toe bends downward and the middle joint curls up. Eventually, the toe gets stuck in a stiff, claw-like position. When the inside of your shoe rubs against a hammer toe, corns, blisters or calluses may form on top of the toe or on the bottom of your foot. This can make walking painful. You may also have pain in the joint where your big toe joins your foot. Hammer toe usually affects a person?s second toe (the toe next to the big toe), but it can affect other toes too.

Causes
Hammertoes are more commonly seen in women than men, due to the shoe styles women frequently wear: shoes with tight toe boxes and high heels. Genetics plays a role in some cases of hammertoes, as does trauma, infection, arthritis, and certain neurological and muscle disorders. But most cases of contracted toes are associated with various biomechanical abnormalities of the feet, such as flat feet and feet with abnormally high arches. These biomechanical abnormalities cause the muscles and tendons to be used excessively or improperly, which deforms the toes over time.

Symptoms
If you have any of these symptoms, do not assume it is due to hammer toe. Talk to your doctor about symptoms such as a toe that curls down, corns on the top of a toe, calluses on the sole of the foot or bottom of the toe, pain in the middle joint of a toe, discomfort on the top of a toe, difficulty finding any shoes that fit comfortably, cramping in a toe, and sometimes also the foot and leg, difficult or painful motion of a toe joint, pain in the ball of the foot or at the base of a toe.

Diagnosis
Some questions your doctor may ask of you include, when did you first begin having foot problems? How much pain are your feet or toes causing you? Where is the pain located? What, if anything, seems to improve your symptoms? What, if anything, appears to worsen your symptoms? What kind of shoes do you normally wear? Your doctor can diagnose hammertoe or mallet toe by examining your foot. Your doctor may also order X-rays to further evaluate the bones and joints of your feet and toes.

Non Surgical Treatment
For hammertoes that are still flexible, a podiatrist might recommend padding or taping the toes to relieve pain and orthotic inserts for shoes to minimize pressure and keep the toe properly aligned. Anti-inflammatory drugs or corticosteroid injections can relieve pain and inflammation. For more advanced cases of hammertoe, a podiatrist might recommend a surgical procedure to cut the tendon, allowing the toe to straighten. For hammertoes that have become rigid, a more complicated surgery might be needed, during which the podiatrist removes part of the bone at the deformed joint to allow it to straighten.

Surgical Treatment
Extreme occurrences of hammer toe may call for surgery. Your surgeon will decide which form of surgery will best suit your case. Often, the surgeon may have to cut or remove a tendon or ligament. Depending on the severity of your condition, the bones on both sides of the joint afflicted may need to be fused together. The good news is you can probably have your surgery and be released to go home in one day. You will probably experience some stiffness in your toe, but it might last for a short period, then your long-term pain will be eliminated.






最終更新日  2015.06.29 00:17:40
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2015.06.14
カテゴリ:カテゴリ未分類

Overview

A bunion is a bony deformity of the joint at the base of the big toe. The medical name is hallux valgus. The main sign of a bunion is the big toe pointing towards the other toes on the same foot, which may force the foot bone attached to it (the first metatarsal) to stick outwards. Other symptoms may include a swollen, bony bump on the outside edge of your foot, pain and swelling over your big toe joint that's made worse by pressure from wearing shoes hard, callused and red skin caused by your big toe and second toe overlapping, sore skin over the top of the bunion, changes to the shape of your foot, making it difficult to find shoes that fit. These symptoms can sometimes get worse if the bunion is left untreated, so it's best to see a GP. They'll ask you about your symptoms and examine your foot. In some cases, an X-ray may be recommended to assess the severity of your bunion. Anyone can develop a bunion, but they're more common in women than men. This may be because of the style of footwear that women wear.

Causes
The causes of bunions are "multifactorial". In other words generally many things contribute to their occurence. Shoewear per se is a contributory factor but it isn't possible to say that the type of shoewear is necessairily relevant. Often there is a hereditary component with other family members also suffering with the same condition.
SymptomsPain or soreness. Inflamattion and redness. A burning sensation. Numbness on the side of the great toe. Other conditions which may occur secondary to bunions include calluses on the big toe, sore between the toes, ingrown toenails, and stiffness of the joint where the great toe attaches to the foot.

Diagnosis
Before examining your foot, the doctor will ask you about the types of shoes you wear and how often you wear them. He or she also will ask if anyone else in your family has had bunions or if you have had any previous injury to the foot. In most cases, your doctor can diagnose a bunion just by examining your foot. During this exam, you will be asked to move your big toe up and down to see if you can move it as much as you should be able to. The doctor also will look for signs of redness and swelling and ask if the area is painful. Your doctor may want to order X-rays of the foot to check for other causes of pain, to determine whether there is significant arthritis and to see if the bones are aligned properly.

Non Surgical Treatment
A range of treatments is available for bunions, including painkillers, modifying footwear, orthotics, such as insoles, bunion pads and toe spacers. Surgery may be considered if a person's symptoms are severe and do not respond to non-surgical treatment. The type of surgery used will depend on the level of deformity, the severity of any other associated symptoms, the patient's age and any other associated medical conditions. Bunion surgery is usually effective, with up to 85% of cases resulting in improvement to symptoms. However, the deformity can sometimes return after bunion surgery.


Surgical Treatment
Research shows that 85% of people who have bunion corrections are satisfied with the results. However, a number of problems can arise. The big toe is usually stiffer than before. For most people this does not matter, but for athletes or dancers it is very important. As mentioned before, the big toe is slightly weaker with a bunion, and this transfers weight onto the ball of the foot. After bunion surgery, this transfer of weight can increase. Therefore, if you have pain under the ball of the foot ("metatarsalgia") it may be worse after bunion surgery, and it may also develop for the first time. Careful surgical technique can reduce this risk, but it cannot avoid it completely. Most people who develop metatarsalgia are comfortable with a simple insole in the shoe but occasionally surgery is required. In some people the big toe slowly tilts back toward the original position and occasionally this is bad enough to need to have the operation redone. On the other hand, the toe can tilt the other way, though much more rarely. Again, occasionally this is bad enough to need to have the operation redone. Infections in the wound, plaster problems and minor damage to the nerves of the toe can occur in any foot surgery. Usually these are minor problems that get better quickly. This may sound like a lot of possible problems, but in fact most people do not get them and are satisfied with their bunion surgery. However, this may help you to see how important it is to have any bunion surgery carried out by a properly trained and experienced foot and ankle surgeon.






最終更新日  2015.06.14 23:16:50
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2015.06.04
カテゴリ:カテゴリ未分類

Overview

Hallux valgus may sound like a curse from Harry Potter, but it?s the medical term for a bunion, a bony growth where the big toe joins the foot. At best a bunion is an unsightly bump which can get a bit red and sore. If it gets big enough it limits the type of shoes you can wear, and sometimes a painful sac of fluid known as a bursa develops around it. But left untreated, a bunion really can become a curse if it starts to push the big toe towards the smaller ones, causing more problems such as hammer toes, or problems in the spine and legs.

Causes
The exact cause of bunions is unknown, but they tend to run in families. Wearing badly fitting shoes is thought to make bunions worse. It's also thought that bunions are more likely to occur in people with unusually flexible joints, which is why bunions sometimes occur in children. In some cases, certain health conditions, such as rheumatoid arthritis and gout, may also be responsible.
SymptomsThe symptoms of a bunion include the following development of a firm bump on the outside edge of the foot, at the base of the big toe, redness, swelling, or pain at or near the MTP joint, corns or other irritations caused by the overlap of the first and second toes, restricted or painful motion of the big toe.

Diagnosis
Physical examination typically reveals a prominence on the inside (medial) aspect of the forefoot. This represents the bony prominence associated with the great toe joint ( the medial aspect of the first metatarsal head). The great toe is deviated to the outside (laterally) and often rotated slightly. This produces uncovering of the joint at the base of the big toe (first metatarsophalangeal joint subluxation). In mild and moderate bunions, this joint may be repositioned back to a neutral position (reduced) on physical examination. With increased deformity or arthritic changes in the first MTP joint, this joint cannot be fully reduced. Patients may also have a callus at the base of their second toe under their second metatarsal head in the sole of the forefoot. Bunions are often associated with a long second toe.

Non Surgical Treatment
Depending on how many of the causative factors are true, a series of exercises to ensure correct alignment and stability of the lower limb should be implemented. Supportive foot wear with correct width and arch support can provide relief -shoes such as ballet flats, thongs (flip flops) and Ugg boots (or slippers) should be avoided. Mobilization of the mid foot to help re-align the toe correctly, and then taping and padding in the shoe to keep the toe in alignment. Taping to help draw the 1st metatarsal back in towards the second and correct any rotation and drop of the 1st metatarsal. Foam padding shaped like a donut to off load the pressure on the outside of the big toe.


Surgical Treatment
Many studies have found that 85 to 90 percent of patients who undergo bunion surgery are satisfied with the results. Fewer than 10 percent of patients experience complications from bunion surgery. Possible complications can include infection, recurrence of the bunion, nerve damage, and continued pain. If complications occur, they are treatable but may affect the extent of your full recovery.






最終更新日  2015.06.04 15:12:08
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2015.04.30
カテゴリ:カテゴリ未分類

Overview

An Achilles tendon rupture is when you tear the tissue that connects your calf muscle to your heel bone. Your Achilles tendon is very strong and flexible. It?s at the back of your ankle and connects your calf muscle to the bone in the heel of your foot (calcaneum). If you rupture your Achilles tendon, you can either partially or completely tear the tendon. Most people who injure their Achilles tendon are between 30 and 50 and don?t exercise regularly. It?s more common in men but can affect anyone. It happens most often in the left leg. This may be because most people are right-handed which means that they ?push off? more frequently with the left foot when running.

Causes
Often an Achilles rupture can occur spontaneously without any prodromal symptoms. Unfortunately the first "pop" or "snap" that you experience is your Achilles tendon rupture. Achilles tendon rupture most commonly occurs in the middle-aged male athlete (the weekend warrior who is engaging in a pickup game of basketball, for example). Injury often occurs during recreational sports that require bursts of jumping, pivoting, and running. Most often these are tennis, racquetball, squash, basketball, soccer, softball and badminton. Achilles rupture can happen in the following situations. You make a forceful push-off with your foot while your knee is straightened by the powerful thigh muscles. One example might be starting a foot race or jumping. You suddenly trip or stumble, and your foot is thrust in front to break a fall, forcefully over stretching the tendon. You fall from a significant height. It does appear that previous history of Achilles tendonitis results in a degenerative tendon, which can grow weak and thin with age and lack of use. Then it becomes prone to injury or rupture. Certain illnesses (such as arthritis and diabetes) and medications (such as corticosteroids and some antibiotics) can also increase the risk of rupture.

Symptoms
Symptoms usually come on gradually. Depending on the severity of the injury, they can include Achilles pain, which increases with specific activity, with local tenderness to touch. A sensation that the tendon is grating or cracking when moved. Swelling, heat or redness around the area. The affected tendon area may appear thicker in comparison to the unaffected side. There may be weakness when trying to push up on to the toes. The tendon can feel very stiff first thing in the morning (care should be taken when getting out of bed and when making the first few steps around the house). A distinct gap in the line of the tendon (partial tear).

Diagnosis
A detailed history, and examination by an appropriately qualified health professional, will allow a diagnosis to be made. An ultrasound or MRI scan can confirm the diagnosis. Other causes of symptoms in the area, such as those referred from the lumbar spine and local infection, should be excluded.

Non Surgical Treatment
Once a diagnosis of Achilles tendon rupture has been confirmed, a referral to an orthopaedic specialist for treatment will be recommended. Treatment for an Achilles tendon rupture aims to facilitate the torn ends of the tendon healing back together again. Treatment may be non-surgical (conservative) or surgical. Factors such as the site and extent of the rupture, the time since the rupture occurred and the preferences of the specialist and patient will be considered when deciding which treatment will be undertaken. Some cases of rupture that have not responded well to non-surgical treatment may require surgery at a later stage. The doctor will immobilise the ankle in a cast or a special hinged splint (known as a ?moon boot?) with the foot in a toes-pointed position. The cast or splint will stay in place for 6 - 8 weeks. The cast will be checked and may be changed during this time.


Surgical Treatment
Most published reports on surgical treatment fall into 3 different surgical approach categories that include the following: direct open, minimally invasive, and percutaneous. In multiple studies surgical treatment has demonstrated a lower rate of re-rupture compared to nonoperative treatment, but surgical treatment is associated with a higher rate of wound healing problems, infection, postoperative pain, adhesions, and nerve damage. Most commonly the direct open approach involves a 10- to 18-cm posteromedial incision. The minimally invasive approach has a 3- to 10-cm incision, and the percutaneous approach involves repairing the tendon through multiple small incisions. As with nonsurgical treatment there exists wide variation in the reported literature regarding postoperative treatment protocols. Multiple comparative studies have been published comparing different surgical approaches, repair methods, or postoperative treatment protocols.

Prevention
Achilles tendon rupture can be prevented by avoiding chronic injury to the Achilles tendon (i.e. tendonitis), as well as being careful to warm up and stretch properly before physical activity. Additionally, be sure to use properly fitting equipment (e.g. running shoes) and correct training techniques to avoid this problem!






最終更新日  2015.05.01 02:10:49
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2015.04.26
カテゴリ:カテゴリ未分類

Overview
Originally known as posterior tibial tendon dysfunction or insufficiency, adult-acquired flatfoot deformity encompasses a wide range of deformities. These deformities vary in location, severity, and rate of progression. Establishing a diagnosis as early as possible is one of the most important factors in treatment. Prompt early, aggressive nonsurgical management is important. A patient in whom such treatment fails should strongly consider surgical correction to avoid worsening of the deformity. In all four stages of deformity, the goal of surgery is to achieve proper alignment and maintain as much flexibility as possible in the foot and ankle complex. However, controversy remains as to how to manage flexible deformities, especially those that are severe.


Causes
The posterior tibial tendon, which connects the bones inside the foot to the calf, is responsible for supporting the foot during movement and holding up the arch. Gradual stretching and tearing of the posterior tibial tendon can cause failure of the ligaments in the arch. Without support, the bones in the feet fall out of normal position, rolling the foot inward. The foot's arch will collapse completely over time, resulting in adult acquired flatfoot. The ligaments and tendons holding up the arch can lose elasticity and strength as a result of aging. Obesity, diabetes, and hypertension can increase the risk of developing this condition. Adult acquired flatfoot is seen more often in women than in men and in those 40 or older.

Symptoms
The first stage represents inflammation and symptoms originating from an irritated posterior tibial tendon, which is still functional. Stage two is characterized by a change in the alignment of the foot noted on observation while standing (see above photos). The deformity is supple meaning the foot is freely movable and a ?normal? position can be restored by the examiner. Stage two is also associated with the inability to perform a single-leg heel rise. The third stage is dysfunction of the posterior tibial tendon is a flatfoot deformity that becomes stiff because of arthritis. Prolonged deformity causes irritation to the involved joints resulting in arthritis. The fourth phase is a flatfoot deformity either supple (stage two) or stiff (stage 3) with involvement of the ankle joint. This occurs when the deltoid ligament, the major supporting structure on the inside of the ankle, fails to provide support. The ankle becomes unstable and will demonstrate a tilted appearance on X-ray. Failure of the deltoid ligament results from an inward displacement of the weight bearing forces. When prolonged, this change can lead to ankle arthritis. The vast majority of patients with acquired adult flatfoot deformity are stage 2 by the time they seek treatment from a physician.

Diagnosis
The diagnosis of posterior tibial tendon dysfunction and AAFD is usually made from a combination of symptoms, physical exam and x-ray imaging. The location of pain, shape of the foot, flexibility of the hindfoot joints and gait all may help your physician make the diagnosis and also assess how advanced the problem is.

Non surgical Treatment
Footwear has an important role, and patients should be encouraged to wear flat lace-up shoes, or even lace-up boots, which accommodate orthoses. Stage I patients may be able to manage with an off the shelf orthosis (such as an Orthaheel or Formthotics). They can try a laced canvas ankle brace before moving to a casted orthosis. The various casted, semirigid orthoses support the medial longitudinal arch of the foot and either hold the heel in a neutral alignment (stage I) or correct the outward bent heel to a neutral alignment (stage II). This approach is meant to serve several functions: to alleviate stress on the tibialis posterior; to make gait more efficient by holding the hindfoot fixed; and thirdly, to prevent progression of deformity. Devices available to do this are the orthosis of the University of California Biomechanics Laboratory, an ankle foot orthosis, or a removable boot. When this approach has been used, two thirds of patients have good to excellent results.


Surgical Treatment
In cases where cast immobilization, orthoses and shoe therapy have failed, surgery is the next alternative. The goal of surgery and non-surgical treatment is to eliminate pain, stop progression of the deformity and improve mobility of the patient. Opinions vary as to the best surgical treatment for adult acquired flatfoot. Procedures commonly used to correct the condition include tendon debridement, tendon transfers, osteotomies (cutting and repositioning of bone) and joint fusions. (See surgical correction of adult acquired flatfoot). Patients with adult acquired flatfoot are advised to discuss thoroughly the benefits vs. risks of all surgical options. Most procedures have long-term recovery mandating that the correct procedure be utilized to give the best long-term benefit. Most flatfoot surgical procedures require six to twelve weeks of cast immobilization. Joint fusion procedures require eight weeks of non-weightbearing on the operated foot - meaning you will be on crutches for two months. The bottom line is, Make sure all of your non-surgical options have been covered before considering surgery. Your primary goals with any treatment are to eliminate pain and improve mobility. In many cases, with the properly designed foot orthosis or ankle brace, these goals can be achieved without surgical intervention.






最終更新日  2015.04.26 13:58:28
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全7件 (7件中 1-7件目)

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