Physical Therapy in Seattle for Hip

Welcome to Core Physical Therapy's patient resource about Hip Fractures.

As the population ages, the number of hip fractures that occur each year rises. A fracture of the hip in an aging adult is not simply a broken bone. It is a life-threatening illness. The hip fracture itself is rarely a difficult problem to solve. But once the fracture occurs, it brings with it all the potential medical complications that can arise when aging patients are confined to bed. The complications are what can turn a simple break into a life-threatening illness.

Hip fractures in children and young adults are much different. The information in this document applies only to hip fractures in the elderly.

This guide will help you understand:

• how hip fractures happen
• how doctors diagnose the problem
• what treatment options are available

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How does the hip work?

The hip joint is one of the true ball-and-socket joints of the body. The hip socket is called the acetabulum and forms a deep cup that surrounds the ball of the upper thighbone, or femoral head. The femoral head is attached to the rest of the femur by a short section of bone called the femoral neck. The bump on the outside of the femur just below the femoral neck is called the greater trochanter. This is where the large muscles of the buttock attach to the femur.

Thick muscles of the buttock at the back and the thick muscles of the thigh in the front surround the hip. The surface of the femoral head and the inside of the acetabulum are covered with articular cartilage. This material is about one-quarter of an inch thick in most large joints. Articular cartilage is a tough, slick material that allows the surfaces to slide against one another without damage.

All of the blood supply to the femoral head (the ball portion of the hip) comes through the neck of the femur. If this blood supply is damaged, there is no backup. One of the problems with hip fractures is that damage can occur to these blood vessels when the hip breaks. This can lead to the bone of the femoral head actually dying. Once this occurs, the bone is no longer able to maintain itself. This can lead to one of the complications of a hip fracture called avascular necrosis (AVN).

Blood Supply

Related Document: Core Physical Therapy's Guide to Avascular Necrosis of the Hip

Related Document: Core Physical Therapy's Guide to Hip Anatomy

Why do I have this problem?

Injury is an obvious cause of hip fractures. In the elderly population, an injury can result from something as simple losing one's balance and falling to the ground. While many hip fractures probably occur this way, it is also true that the fall may have happened as a result of fracturing the hip. The hip actually breaks first, causing the person to fall.

Osteoporosis can weaken the neck of the femur to the point that any increased stress may cause the neck of the femur to break suddenly. An uncertain step may result in a twist to the hip joint that places too much stress across the neck of the femur. The femoral neck breaks, and the patient falls to the ground. It happens so quickly that it is unclear to the patient whether the fall or the break occurred first.

Related Document: Core Physical Therapy's Guide to Osteoporosis

What does a hip fracture feel like?

A hip fracture, like any broken bone, causes pain. The fracture makes putting weight on the leg extremely difficult. When a hip fracture occurs in an aging adult who lives alone, it may be hours before anyone finds the patient. The patient sometimes cannot get to the phone to alert anyone. This is the first life-threatening situation. This situation can result in dehydration, or if the fracture occurs outside in a cold environment, the patient may develop hypothermia. Both of these conditions can be deadly.

Diagnosis

How do doctors identify the problem?

The diagnosis of a hip fracture usually occurs in the emergency room. The diagnosis begins with a history and physical examination. It is important that the doctor be advised of any other medical problems the patient has so that treatment of the hip fracture can be planned. Most of the information from the history and physical examination will be used to try to evaluate the overall physical condition of the patient. Tests such as chest X-rays, blood work, and electrocardiograms may be ordered to assess the patient's overall condition.

X-rays are typically used to determine if a hip fracture has occurred and, if so, what type of fracture it is. The orthopedic surgeon will use the X-rays to determine if a surgical procedure will be necessary and to decide what type of procedure to suggest.

In a few cases, X-rays may not show the fracture. If the hip continues to hurt and the doctor is suspicious that a hip fracture is present, magnetic resonance imaging (MRI) may be suggested. The MRI scanner uses magnetic waves rather than radiation to take multiple pictures of the hip bones. The MRI machine is very sensitive and can show fractures that do not show up on regular X-rays.

This test is done to be certain there is no fracture before allowing the patient to put weight on the leg. Walking on a fractured hip may cause the two sides of the fracture to displace, or move apart, so that they no longer line up correctly. A fracture that has not displaced is much easier to treat than one that has. A displaced fracture also increases the risk of damaging the blood supply to the femoral head, causing AVN (discussed earlier).

The diagnosis of a hip fracture usually occurs in the emergency room. The diagnosis begins with a history and physical examination. It is important that the doctor be advised of any other medical problems the patient has so that treatment of the hip fracture can be planned. Most of the information from the history and physical examination will be used to try to evaluate the overall physical condition of the patient. Tests such as chest X-rays, blood work, and electrocardiograms may be ordered to assess the patient's overall condition.

X-rays are typically used to determine if a hip fracture has occurred and, if so, what type of fracture it is. The orthopedic surgeon will use the X-rays to determine if a surgical procedure will be necessary and to decide what type of procedure to suggest.

In a few cases, X-rays may not show the fracture. If the hip continues to hurt and the doctor is suspicious that a hip fracture is present, magnetic resonance imaging (MRI) may be suggested. The MRI scanner uses magnetic waves rather than radiation to take multiple pictures of the hip bones. The MRI machine is very sensitive and can show fractures that do not show up on regular X-rays.

This test is done to be certain there is no fracture before allowing the patient to put weight on the leg. Walking on a fractured hip may cause the two sides of the fracture to displace, or move apart, so that they no longer line up correctly. A fracture that has not displaced is much easier to treat than one that has. A displaced fracture also increases the risk of damaging the blood supply to the femoral head, causing AVN (discussed earlier).

Non-surgical Rehabilitation

Hip fractures usually require surgery. Nonsurgical rehabilitation is only used in a few instances after a hip fracture in an aging adult. A patient with other complicating illnesses who fractures a hip may be treated with traction. A traction pull on the injured limb is a means, other than surgery, of helping the bone fragments to line up.

Patients who have a stable fracture may also receive nonsurgical rehabilitation. Rarely is a fracture considered stable, meaning that it will not displace if the patient is allowed to sit in a chair. These patients may require a few days' bed rest before getting assistance to stand and walk. Once the fracture has completely healed, a formal Physical Therapy program, such as is offered at Core Physical Therapy, may be prescribed.

Post-surgical Rehabilitation

The aim of most surgical procedures for a fractured hip is to help people get moving and walking as quickly as possible. This helps them avoid dangerous complications that can arise from being immobilized in bed, such as pneumonia, blood clots, joint stiffness, and pain.

The amount of weight that can be placed on the operated leg depends on the type of surgery performed. Recovery and rehabilitation varies for each patient. Some patients are able to start weight bearing right away after surgery, whereas others may only be able to place partial weight down right away.

Patients who require hemiarthroplasty follow a specific Core Physical Therapy Physical Therapy treatment plan. This surgery is more involved and requires the surgeon to open up the hip joint during surgery. This puts the hip at some risk for dislocation after surgery. To prevent hip dislocation after surgery, our patients follow strict guidelines about which hip positions they must avoid, called hip precautions. Patients follow these precautions at all times for at least six weeks after surgery, until the soft tissues gain enough strength to keep the joint from dislocating. We may instruct you to use your walker or crutches to limit the amount of weight that you place on the operated leg.

Related Document: Core Physical Therapy's Guide to Artificial Hip Dislocation Precautions

After you return home from the hospital, you can begin your Core Physical Therapy rehabilitation program. Our Physical Therapist will first make recommendations about your safety, review your hip precautions, and make sure you are placing a safe amount of weight on your foot when standing or walking. Our Physical Therapist may also develop a personalized exercise program to help speed your recovery.

Patients who have problems, or who need to get back to physically heavy work or activities, may need additional Physical Therapy session.

At Core Physical Therapy, our goal is to help you maximize hip strength, restore a normal walking pattern, and help you do your activities without risking further injury. When your recovery is well under way, regular visits to our office will end. Although we will continue to be a resource, you will be in charge of doing your exercises as part of an ongoing home program.

We provide Physical Therapy services in Seattle.

What might go wrong?

The complications that can develop after a hip fracture are what make the injury a life-threatening problem. Some complications can result from surgery, but many can occur whether the fracture is treated with surgery or not.

Most of the complications that occur after a hip fracture result from having to put an aging adult on bed rest. In general, this seems to make all the medical problems the patient has worse. Some of the more common problems that a hip fracture can increase the likelihood of include:

• anesthesia
• pneumonia
• pressure ulcers
• thrombophlebitis
• mental confusion

Getting the patient out of bed and moving can reduce the risk of developing all these complications. If an operation is necessary to stabilize the fracture and get the patient out of bed quickly, this will actually reduce the overall risk of developing these complications. That doesn't mean that the complications may not still occur after surgery, but they are far easier to treat if the patient can be mobilized.

Anesthesia

Most surgical procedures require that some type of anesthesia be done before surgery. A very small number of patients have problems with anesthesia. These problems can be reactions to the drugs used, problems related to other medical complications, and problems due to the anesthesia. Be sure to discuss the risks and your concerns with your anesthesiologist.

Pneumonia

Bed rest can increase the risk of developing pneumonia in older patients. If anesthesia is required for surgery, the risk is even greater. After any injury that requires bed rest, you will need to do several things to keep your lungs working their best. Your nurse will coach you to take deep breaths and cough frequently. Getting out of bed, even upright in a chair, allows the lungs to work much better. As soon as possible, you will be allowed to sit in a chair.

The hospital's respiratory therapists have several tools to help maintain optimal lung function. The incentive spirometer is a small device that measures how hard you are breathing and gives you a tool to improve your deep breathing. If you have any other lung disease, such as asthma, the respiratory therapist may also use medications that are given through breathing treatments to help open the air pockets in the lungs.

Pressure Ulcers (Bedsores)

Hip fractures cause pain when you move, even in bed. As a result, you stop moving around to shift your weight from time to time as you normally would. When you are lying down, there is pressure on the skin in certain areas. This pressure actually stops the blood flow to the skin by closing off the blood vessels that go to that area. Usually this isn't a problem because you soon shift your weight, moving the pressure to another area. This shifting of the pressure allows the blood flow to return to the area of skin and prevents any damage.

But if something prevents you from shifting and the pressure stays constant in one area, that area of skin may eventually become damaged due to lack of blood flow. This damage is called a pressure ulcer or bedsore. The pressure causes the skin to actually die, similar to skin that has been burned with heat. First the area hurts, then it begins to blister, and then it turns into an open sore. These sores are difficult to heal if they are large. They may actually require a skin graft. They can become infected, causing other problems.

The best treatment is to prevent bedsores in the first place. Hospitals use special mattresses and special water beds to help distribute weight evenly in people who must be confined to bed. Nurses also routinely move patients in bed to make sure the skin is not getting too much pressure in one area. Still, the best way to prevent pressure ulcers is to get you out of bed and moving.

Thrombophlebitis (Blood Clots)

Thrombophlebitis, sometimes called deep venous thrombosis (DVT), can result from bed rest and inactivity. DVT occurs when blood clots form in the large veins of the leg. This may cause the leg to swell and become warm to the touch and painful. If the blood clots break apart, they can travel to the lungs, where they lodge in the capillaries (smallest blood vessels in the body) and cut off the blood supply to a portion of the lungs. This is called a pulmonary embolism. (Pulmonary means lung, and embolism refers to a fragment of something traveling through the blood vessels.) Most surgeons take preventing DVT very seriously. There are many ways to reduce the risk of DVT, but probably the most effective is getting you moving as soon as possible. Two other commonly used preventative measures include

• pressure stockings to keep the blood in the legs moving
• medications that thin the blood and prevent blood clots from forming

Mental Confusion

Aging adults who suffer a hip fracture and go to the hospital are under a lot of stress. Unfamiliar surroundings, pain medications, and the stress of the injury can lead to changes in a patient's behavior. This is sometimes called the sundowner syndrome because it seems to get worse at night. This can be very frightening to both patients and their families. Fortunately, it is almost always temporary. It can cause problems because patients can become difficult to handle and won't follow instructions. They may try to get out of bed and can damage the hip further.

The best treatment for mental confusion is usually to get patients moving and out of the hospital. Familiar surroundings, familiar faces, and activity are the best treatments. Medications are used when necessary, and it may be necessary to restrain patients during this period so that they will not hurt themselves further. Other medical conditions can cause confusion, and the doctor will make sure that these are not present. But, again, usually the mental confusion is temporary and will go away in a matter of days.

Nearly all hip fractures in the elderly are treated with some type of surgical operation to fix the fractured bones. If possible, the surgery is normally done within 24 hours of admission to the hospital.

The goal of any surgical procedure to treat a fractured hip is to hold the broken bones securely in position, allowing the patient to get out of bed as soon as possible. Many methods have been invented to treat the different types of fractures. Most hip fractures are treated in one of three ways: with metal pins, with a metal plate and screws, or replacing the broken femoral head with an artificial implant.

Metal Pins

Fractures that occur through the neck of the femur, if they are still in the correct position, may require only two or three metal pins to hold the two pieces of the fracture together. This procedure, called hip pinning, is fairly simple and allows patients to begin putting weight down right after surgery.

Related Document: Core Physical Therapy's Guide to Hip Pinning Surgery for a Fractured Hip

Metal Plate and Screws

Some hip fractures occur below the femoral neck in the area called the intertrochanteric region. These fractures are called intertrochanteric hip fractures. These hip fractures are usually truly the result of a fall and often are the hardest type of fracture to treat. They often involve more than one break. As a result, several pieces of broken bone must be held together.

Intertrochanteric Hip Fractures

Surgeons usually try to fix this type of fracture using a metal plate and compression hip screw.

This approach helps align the bones and relies on the force of the muscles to compress the fractured bones together so they will heal.

Related Document: Core Physical Therapy's Patient's Guide to Compression Fixation for a Fractured Hip

Artificial Replacement of the Femoral Head (Hemiarthroplasty)

When the hip fracture occurs through the neck of the femur and the ball is completely displaced, there is a very high chance that the blood supply to the femoral head has been damaged. This makes it very likely that AVN of the femoral head will occur as a complication of this type of hip fracture.

As mentioned earlier, AVN causes the bone of the femoral head to die. The femoral head begins to collapse weeks later, causing more problems in the months to come. This will most likely result in a second operation several months later to replace the hip due to the AVN. The likelihood of this is so great that most surgeons will recommend removing the femoral head immediately and replacing it with an artificial femoral head made of metal. This operation is called a hemiarthroplasty. (Hemi means half, and arthroplasty means artificial joint.) The procedure is called hemiarthroplasty because only half of the joint is replaced. The socket of the hip joint is left intact.

Related Document: Core Physical Therapy's Guide to Hemiarthroplasty of the Hip

Portions of this document copyright MMG, LLC.