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: How is a bone fracture treated?

A bone fracture is usually treated with a cast and/or splint. A cast or splint will immobilize the bone (keep it from moving) in order to encourage the bones to align (straighten) and to prevent use of the bone. In some cases when the bone is small (toes or fingers), no cast is needed and the fracture is immobilized by wrapping. Medication may also be prescribed to ease the pain of the fracture.

Traction may also be used to stabilize and realign fractures before surgery. Traction uses a system of pulleys and weights to stretch the muscles and tendons around the broken bone.

If a fracture is bad enough, the patient may need surgery. Hip fractures almost always require surgery, because other treatments require that the hip remain immobilized for a long time, and often have poor results. Internal and external rods and/or pins may be used to hold the bone in place to allow the bones to align
: What are the possible complications of a bone fracture?

Compartment syndrome: raised pressure within a closed part of the body (compartment) that cuts off blood supply to muscles and nerves. Often caused by bleeding and hematoma (a collection of blood outside of the blood vessels) around the fracture. **Haemarthrosis: bleeding into a joint space that causes the joint to swellShockBlood clot in a blood vessel: blockage of a blood vessel that can break off and move through the bodyComplications from casting such as pressure ulcers and joint stiffnessDelayed bone healingDamage to surrounding tissue, nerves, skin, blood vessels, or nearby organsWound infection
: Types

There is a range of fracture types, including:

Avulsion fracture - a muscle or ligament pulls on the bone, fracturing it.Comminuted fracture - the bone is shattered into many pieces.Compression (crush) fracture - generally occurs in the spongy bone in the spine. For example, the front portion of a vertebra in the spine may collapse due to osteoporosis.Fracture dislocation - a joint becomes dislocated, and one of the bones of the joint has a fracture.Greenstick fracture - the bone partly fractures on one side, but does not break completely because the rest of the bone can bend. This is more common among children, whose bones are softer and more elastic.Hairline fracture - a partial fracture of the bone. Sometimes this type of fracture is harder to detect with routine xrays.Impacted fracture - when the bone is fractured, one fragment of bone goes into another.Intraarticular fracture - where the break extends into the surface of a jointLongitudinal fracture - the break is along the length of the bone.Oblique fracture - a fracture that is diagonal to a bone's long axis.Pathological fracture - when an underlying disease or condition has already weakened the bone, resulting in a fracture (bone fracture caused by an underlying disease/condition that weakened the bone).Spiral fracture - a fracture where at least one part of the bone has been twisted.Stress fracture - more common among athletes. A bone breaks because of repeated stresses and strains.Torus (buckle) fracture - bone deforms but does not crack. More common in children. It is painful but stable.Transverse fracture - a straight break right across a bone.

Symptoms

Symptoms of a bone fracture can vary wildly depending on the affected region and severity.

The signs and symptoms of a fracture vary according to which bone is affected, the patient's age and general health, as well as the severity of the injury. However, they often include some of the following:

painswellingbruisingdiscolored skin around the affected areaangulation - the affected area may be bent at an unusual anglethe patient is unable to put weight on the injured areathe patient cannot move the affected areathe affected bone or joint may have a grating sensationif it is an open fracture, there may be bleeding

When a large bone is affected, such as the pelvis or femur:

the sufferer may look pale and clammythere may be dizziness (feeling faint)feelings of sickness and nausea.

If possible, do not move a person with a broken bone until a healthcare professional is present and can assess the situation and, if required, apply a splint. If the patient is in a dangerous place, such as in the middle of a busy road, one sometimes has to act before the emergency services arrive.
Causes

Most fractures are caused by a bad fall or automobile accident. Healthy bones are extremely tough and resilient and can withstand surprisingly powerful impacts. As people age, two factors make their risk of fractures greater: Weaker bones and a greater risk of falling.

Children, who tend to have more physically active lifestyles than adults, are also prone to fractures.

People with underlying illnesses and conditions that may weaken their bones have a higher risk of fractures. Examples include osteoporosis, infection, or a tumor. As mentioned earlier, this type of fracture is known as a pathological fracture.

Stress fractures, which result from repeated stresses and strains, commonly found among professional sports people, are also common causes of fractures.

Diagnosis and treatment



Medical intervention focuses on supporting the bone as it heals naturally.

A doctor will carry out a physical examination, identify signs and symptoms, and make a diagnosis.

The patient will be interviewed - or friends, relatives, and witnesses if the patient cannot communicate properly - and asked about circumstances that caused the injury or may have caused it.

Doctors will often order an X-ray. In some cases, an MRI or CT scan may also be ordered.

Bone healing is a natural processwhich, in most cases, will occur automatically. Fracture treatment is usually aimed at making sure there is the best possible function of the injured part after healing.

Treatment also focuses on providing the injured bone with the best circumstances for optimum healing (immobilization).

For the natural healing process to begin, the ends of the broken bone need to be lined up - this is known as reducing the fracture.

The patient is usually asleep under a general anesthetic when fracture reduction is done. Fracture reduction may be done by manipulation, closed reduction (pulling the bone fragments), or surgery.

Immobilization - as soon as the bones are aligned they must stay aligned while they heal. This may include:

Plaster casts or plastic functional braces - these hold the bone in position until it has healed.Metal plates and screws - current procedures may use minimally invasive techniques.Intra-medullary nails - internal metal rods are placed down the center of long bones. Flexible wires may be used in children.External fixators - these may be made of metal or carbon fiber; they have steel pins that go into the bone directly through the skin. They are a type of scaffolding outside the body.

Usually, the fractured bone area is immobilized for 2-8 weeks. The duration depends on which bone is affected and whether there are any complications, such as a blood supply problem or an infection.

Healing - if a broken bone has been aligned properly and kept immobile, the healing process is usually straightforward.

Osteoclasts (bone cells) absorb old and damaged bone while osteoblasts (other bone cells) are used to create new bone.

Callus is new bone that forms around a fracture. It forms on either side of the fracture and grows toward each end until the fracture gap is filled. Eventually, the excess bone smooths off and the bone is as it was before.

The patient's age, which bone is affected, the type of fracture, as well as the patient's general health are all factors which influence how rapidly the bone heals. If the patient smokes regularly, the healing process will take longer.

Physical therapy - after the bone has healed, it may be necessary to restore muscle strength as well as mobility to the affected area. If the fracture occurred near or through a joint, there is a risk of permanent stiffness or arthritis - the individual may not be able to bend that joint as well as before.

Surgery - if there was damage to the skin and soft tissue around the affected bone or joint, plastic surgery may be required.

Delayed unions and non-unions

Non-unions are fractures that fail to heal, while delayed unions are those that take longer to heal.

Ultrasound therapy - low-intensity ultrasound is applied to the affected area daily. This has been found to help the fracture heal. Studies in this area are still ongoing.Bone graft - if the fracture does not heal, a natural or synthetic bone is transplanted to stimulate the broken bone.Stem cell therapy - studies are currently underway to see whether stem cells can be used to treat fractures that do not

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