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Bunionectomy

Definition of Bunionectomy

A bunionectomy is a surgical procedure to excise or remove a bunion. A bunion is an enlargement of the joint at the base of the big toe and is comprised of bone and soft tissue. It is usually a result of inflammation and irritation from poorly fitting (narrow and tight) shoes in conjuction with an overly mobile first metatarsal joint and over-pronation of the foot. Over time, a painful lump appears at the side of the joint, while the big toe appears to buckle and move sideway towards the second toe. New bone growth can occur in response to the inflammatory process, and a bone spur may develop. Therefore, the development of a bunion may involve soft tissue as well as a hard bone spur. The intense pain makes walking and other activities extremely difficult. Since the involved joint is a significant structure in providing weight-bearing stability, walking on the foot while trying to avoid putting pressure on the painful area can create an unstable gait.

Bunionectomy

 How Bunionectomy surgery done:

Bunions become more common later in life. One reason is that with age the foot spreads and proper alignment is not maintained. In addition, the constant friction of poorly fitting shoes against the big toe joint creates a greater problem over time. Ignoring the problem in its early stages leads to a shifting gait that further aggravates the situation.

Once surgery has been decided on, the extent of the procedure will depend on the degree of deformity that has taken place. There are several different surgical techniques, mostly named after the surgeons who developed them, such as McBride, Chevron, and Keller. The degree and angle of deformity as well as the patient’s age and physical condition play a significant role in the surgeon’s choice of technique, which will determine how much tissue is removed and whether or not bone repositioning will occur. If bone repositioning is done, that part of the surgery is referred to as an osteotomy ( osteo means bone). The type of anesthesia, whether ankle block (the most common, in which the foot is numb but the patient is awake), general, or spinal, will depend on the patient’s condition and the anticipated extent of the surgery. For surgery done on an ambulatory basis, the patient will usually be asked to arrive one to two hours before the surgery and stay for about two to three hours after the procedure. The procedure itself may take about an hour.

The surgeon will make an incision over the swollen area at the first joint of the big toe. The enlarged lump will be removed. The surgeon may need to reposition the alignment of the bones of the big toe. This may require more than one incision. The bone itself may need to be cut. If the joint surfaces have been damaged, the surgeon may hold the bones together with screws, wires, or metal plates. In severe cases, the entire joint may need to be removed and a joint replacement inserted. If pins were used to hold the bones in place during recovery, they will be removed a few weeks later. In some mild cases, it may be sufficient to repair the tendons and ligaments that are pulling the big toe out of alignment. When finished, the surgeon will close the incision with sutures and may apply steri-strips as an added reinforcement. A compression dressing will be wrapped around the surgical wound. This helps to keep the foot in alignment as well as help reduce postoperative swelling.

Diagnosis / Preparation before Bunionectomy Surgery:

Intense pain at the first joint of the big toe is what most commonly brings the patient to the doctor. Loss of toe mobility may also have occurred. Severe deformity of the foot may also make it almost impossible for the patient to fit the affected foot into a shoe. The condition may be in either foot or in both. In addition, there may be a crackling sound in the joint when it moves. Diagnosis of a bunion is based on a physical examination, a detailed history of the patient’s symptoms and their development over time, and x rays to determine the degree of deformity. Other foot disorders such as gout must be ruled out. The patient history should include factors that increase the pain, the patient’s level of physical activity, occupation, amount of time spent on his or her feet, the type of shoe most frequently worn, other health conditions such as diabetes that can affect the body’s ability to heal, a thorough medication history, including home remedies, and any allergies to food, medications, or environmental aspects. The physical exam should include an assessment while standing and walking to judge the degree to which stability and gait have been affected, as well as an assessment while seated or lying down to measure range of motion and anatomical integrity. An examination of the foot itself will check for the presence of unusual calluses, which indicate abnormal patterns of friction. Circulation in the affected foot will be noted by checking the skin color and temperature. A neurological assessment will also be conducted.

Conservative measures are usually the first line of treatment and target dealing with the acute phase of the condition, as well as attempting to stop the progression of the condition to a more serious form. Measures may include:

  • rest and elevation of the affected foot
  • eliminating any additional pressure on the tender area, perhaps by using soft slippers instead of shoes
  • soaking the foot in warm water to improve blood flow
  • use of anti-inflammatory oral medication
  • an injection of a steroidal medication into the area surrounding the joint
  • systematic use of an orthotic, either an over-the-counter product or one specifically molded to the foot
  • the use of a cushioned padding against the joint when wearing a shoe

If these measures prove unsuccessful, or if the condition has worsened to significant foot deformity and altered gait, then a bunionectomy is considered. The doctor may use the term hallux valgus when referring to the bunion. Hallux means big toe and valgus means bent outward. In discussing the surgical option, it is important for the patient to clearly understand the degree of improvement that is realistic following surgery.

X rays to determine the exact angle of displacement of the big toe and potential involvement of the second toe will be taken. The angles of the two toes in relation to each other will be noted to determine the severity of the condition. Studies in both a standing as well as a seated or lying down position will be considered. These will guide the surgeon at the time of the surgery as well. In addition, blood tests, an EKG, and a chest x-ray will most likely be ordered to be sure that no other medical condition has gone undiagnosed that could affect the success of the surgery and the patient’s recovery.

Aftercare Bunionectomy Surgery:

Recovery from a bunionectomy takes place both at the surgical center as well as in the patient’s home. Immediate post-surgical care is provided in the surgical recovery area. The patient’s foot will be monitored for bleeding and excessive swelling; some swelling is considered normal. The patient will need to stay for a few hours in the recovery area before being discharged. This allows time for the anesthesia to wear off. The patient will be monitored for nausea and vomiting, potential aftereffects of the anesthesia, and will be given something light to eat, such as crackers and juice or ginger ale, to see how the food is tolerated. Hospital policy usually requires that the patient have someone drive them home, as there is a safety concern after having undergone anesthesia. In addition, the patient will most likely be on pain medication that could cause drowsiness and impaired thinking.

It is important to contact the surgeon if any of the following occur after discharge from the surgical center:

  • fever
  • chills
  • constant or increased pain at the surgical site
  • redness and a warmth to the touch in the area around the dressing
  • swelling in the calf above the operated foot
  • the dressing has become wet and falls off
  • the dressing is bloody

While the patient can expect to return to normal activities within six to eight weeks after the surgery, the foot is at increased risk for swelling for several months. When the patient can expect to bear weight on the operated foot will depend on the extent of the surgery. The milder the deformity, the less tissue is removed and the sooner the return to normal activity level. During the sixto-eight-week recovery period, a special shoe, boot, or cast may be worn to accommodate the surgical bandage and to help provide stability to the foot.

Expected result of Bunionectomy Surgery:

The expected result will depend on the degree of deformity that has occurred prior to surgery, the patient’s medical condition and age, and the adherence to the recovery regimen prescribed. Some degree of swelling in the foot is normal for up to six months after the surgery. Once wound healing has taken place, the surgeon may recommend exercises or physical therapy to improve foot strength and range of motion. It is important to be realistic about the possible results before consenting to the surgery. Since over-pronation of the foot is not corrected with the surgery, orthotics to help keep the foot/feet in alignment are usually prescribed.

Success rate for Bunionectomy Surgery:

According to the American Orthopaedic Foot & Ankle Society, less than 10% of patients undergoing bunionectomy experience complications, and 90% of patients feel the surgery was successful.

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Stiff Big Toe (Hallux Rigidus)

The most common site of arthritis in the foot is at the base of the big toe. This joint is called the metatarsophalangeal, or MTP joint. It’s important because it has to bend every time you take a step. If the joint starts to stiffen, walking can become painful and difficult.

In the MTP joint, as in any joint, the ends of the bones are covered by a smooth articular cartilage. If wear-and-tear or injury damage the articular cartilage, the raw bone ends can rub together. A bone spur, or overgrowth, may develop on the top of the bone. This overgrowth can prevent the toe from bending as much as it needs to when you walk. The result is a stiff big toe, or hallux rigidus.

Hallux rigidus usually develops in adults between the ages of 30 and 60 years. No one knows why it appears in some people and not others. It may result from an injury to the toe that damages the articular cartilage or from differences in foot anatomy that increase stress on the joint.

Symptoms:

  • Pain in the joint when you are active, especially as you push-off on the toes when you walk
  • Swelling around the joint
  • A bump, like a bunion or callus, that develops on the top of the foot
  • Stiffness in the great toe and an inability to bend it up or down
Diagnosis:

If you find it difficult to bend your toe up and down or find that you are walking on the outside of your foot because of pain in the toe, see your doctor right away. Hallux rigidus is easier to treat when the condition is caught early. If you wait until you see a bony bump on the top of your foot, the bone spurs will have already developed and the condition will be more difficult to treat.

Your physician will examine your foot and look for evidence of bone spurs. He or she may move the toe around to see how much motion is possible without pain. X-rays will show the location and size of any bone spurs, as well as the degree of degeneration in the joint space and cartilage.

Having toe stiffness?? Get professional opinion and treatment for your toe. Call +65 6471 2744 or Email to: info@boneclinic.com.sg