Hip Replacement

What is a Hip Replacement?

Your hip is one of the body's largest joints. It is a ball-and-socket joint. The bone surfaces of the hip joint are covered with articular cartilage, a smooth tissue that cushions the ends of the bones and enables them to move easily. When significant damage occurs to the hip joint it may not naturally repair. When other conservative forms of treatment such as physiotherapy fails to assist your hip pain, the hip joint itself may need to be replaced with a prosthetic hip joint, known as a hip replacement.

hip-replacement

What Conditions Can Lead to a Hip Replacement?

The most common reasons for needing a hip replacement are: 

Hip Osteoarthritis

  • This is an age-related "wear and tear" type of arthritis. The cartilage cushioning the bones of the hip wears away. The bones then rub against each other, causing hip pain and stiffness.

Rheumatoid Arthritis

  • This is an autoimmune disease in which the synovial membrane becomes inflamed and thickened. This chronic inflammation can damage the cartilage, leading to pain and stiffness.

Post-traumatic Arthritis

  • This can follow a serious hip injury or fracture. The cartilage may become damaged and lead to hip pain and stiffness over time. 

Avascular Necrosis

  • An injury to the hip, such as a dislocation or fracture, may limit the blood supply to the femoral head. The lack of blood may cause the surface of the bone to collapse, and hip arthritis will result. Some diseases can also cause avascular necrosis, which normally requires prompt surgical attention.

Childhood Hip Disease

  • Some infants and children have hip problems. Even though the problems are successfully treated during childhood, they may still cause arthritis later on in life. This happens because the hip may not grow normally, and the joint surfaces are affected. Some conditions that can result in premature hip arthritis include Perthes disease, SCFE and septic arthritis.

When is Hip Replacement Recommended?

There are several reasons why you may be recommended a hip replacement. People who benefit from hip replacement surgery often have:

  • Investigations such as X-rays or MRI scans indicate significant injury, which requires surgery.
  • Hip pain that limits everyday activities, such as walking or bending.
  • Hip pain that continues while resting, either day or night.
  • Stiffness in a hip that limits the ability to move or lift the leg.
  • Inadequate pain relief from anti-inflammatory drugs, physiotherapy, or walking supports. 

What Occurs in a Hip Replacement?

In a hip replacement, the damaged bone and cartilage is surgically removed and replaced with prosthetic components.

  • The damaged femoral head is removed and replaced with a metal stem, which has a ceramic ball on the upper part of the stem, is placed into the hollow center of the femur. The femoral stem may be either cemented or "press fit" into the bone.
  • The damaged cartilage surface of the socket (acetabulum) is removed and replaced with a metal socket. Screws or cement are sometimes used to hold the socket in place.
  • A plastic, ceramic, or metal spacer is inserted between the new ball and the socket to allow for a smooth gliding surface. 

Post-Hip Replacement Treatment

You will most likely be admitted to hospital for 4 to 7 days depending on your recovery. The surgical procedure normally takes a couple of hours. You will be put under general anaesthetic before your Orthopaedic Surgeon performs the surgery. After the surgery, you will be placed in recovery to ensure you come out of the anaesthetic safely.

After surgery, and in some cases prior to your surgery, your orthopaedic team will provide you with adequate pain medication to make you feel as comfortable as possible.

Early Priorities

Wound Care

You may have stitches or staples running along your wound or a suture beneath your skin. The stitches or staples will be removed approximately 2 weeks after surgery. Avoid getting the wound wet until it has thoroughly sealed and dried. You may continue to bandage the wound to prevent irritation from clothing.

Blood Clots/Deep Vein Thrombosis (DVT)

Blood clots in the leg veins or pelvis are one of the most common complications of hip replacement surgery. Your orthopaedic team will outline a prevention program which will likely involve wearing compression stockings for several weeks. You may also be given blood-thinning medications, inflatable leg coverings and ankle pump exercises.

Leg-Length Difference

Sometimes after your hip replacement, one leg may feel longer or shorter than the other. Your Orthopaedic Surgeon will make every effort to make your leg lengths even but may lengthen or shorten your leg slightly in order to maximize the stability and biomechanics of the hip. Sometimes you'll experience this leg length difference because your leg was actually shorter prior to the operation and that is what you were used to.

Some patients may feel more comfortable with a shoe lift after surgery. Your physiotherapist will be able to assess you after your surgery and advise you on the appropriate action required.

Precautions for Your Initial 3 Months Post-Hip Replacement

Dislocation

Your risk of hip dislocation is greatest in the first few months after surgery while the tissues are healing. Luckily, dislocation is uncommon. To decrease the risk of dislocation the following is advised:

  • Do not sit in low chairs.
  • Keep your knees level with or below your knees.
  • Sit with your knees apart.
  • Do not squat down to do up your shoes, etc.
  • Do not bend from your hips to pick up anything.
  • Do not cross your legs.
  • Do not lie on your operated side.
  • When lying on your non-operated side, always have 2 pillows between your knees. 

Home Planning

Several modifications to your home can help protect your hip in the early stages following your surgery and support your recovery. The following items may help with daily activities:

  • A stable chair for your early recovery with a firm seat cushion, a firm back, and two arms
  • A raised toilet seat
  • A stable shower bench or chair for bathing
  • A long-handled sponge and shower hose
  • A dressing stick, a sock aid, and a long-handled shoe horn for putting on and taking off shoes and socks without excessively bending your new hip
  • A reacher that will allow you to grab objects without excessive bending of your hips
  • Firm pillows for your chairs, sofas, and car that enable you to sit with your knees lower than your hips.
  • Removal of all loose carpets and electrical cords from the areas where you walk in your home

Post-Hip Replacement Physiotherapy 

Rehabilitation post-hip replacement starts immediately after your surgery. Sometimes even just a few hours after your operation. Your hospital physiotherapist will ensure that you are doing some early bed exercises to promote your recovery and get you back on your feet ASAP. This will ensure that you have a safe and efficient hospital discharge.

The whole rehabilitation period for a hip replacement can take between 3 to 6 months, but in some cases, it may last longer depending on your progress.

During this time your Physiotherapist will:

  • Monitor your progress closely in the early stages.
  • Give you all the necessary advice and contraindications of your surgery.
  • Teach you specific exercises to strengthen your hip and restore movement at different stages of your hip healing.
  • Help you manage any pain you may be experiencing.
  • Help you return to walking and other normal daily activities.

Rules for Sleeping

Use an ordinary pillow between your legs for sleeping for approximately one month after discharge. You may lie on your non-operated leg side as long as you have a pillow between your legs to keep them apart.

Rules for Sitting

You are allowed to sit in the first week after the operation when your surgeon allows. Remember, you must not sit in low chairs and the chair should preferably have arms. The length of time you sit is determined by comfort. However, it is advisable not to sit for too long in the first few days. Avoid excessive hip bend and sit with your knees slightly apart.

Rules for Walking

If you are using a stick, always use your stick in the hand opposite to your operated leg and move your stick forwards with your operated leg. The stick should be used for approximately one month after discharge or longer if necessary.

If you are using crutches, then you should remain partial weight bearing on crutches for six weeks after the operation unless otherwise instructed by your doctor or physiotherapist.

Rules for Stairs

It is recommended that you walk upstairs on your non-operated leg first, then operated leg, then stick or crutches.

Going down stairs lead with your stick/crutches first then operated leg, and finally, your non-operated leg.

Tip: Good legs go UP first - Bad legs go DOWN first.

What to Expect from Your New Hip Replacement

The majority of patients achieve pain-free walking, hiking, bending, stair & ladder climbing, kneeling, crawling and return to low-impact sports such as golf, swimming, cycling, social tennis, and most gym exercises. Some activities that require extreme flexibility (such as some yoga positions) may not be possible as it is best to avoid extreme positions, to prevent dislocation of the hip.

Many younger patients are able to jog (at least a short distance) although this is generally not advised, as it is an activity that involves impact loads to the joint. Sexual activity can be resumed when comfortable, although not recommended in the first six weeks postoperatively.

You may feel some numbness in the skin around your incision. You also may feel some stiffness, particularly with excessive bending. These differences often diminish with time, and most patients find these are minor compared with the pain and limited function they experienced prior to surgery.

Your new hip may activate metal detectors required for security in airports and some buildings.

Any questions? Please discuss with your hip physiotherapist or doctor.

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Common Hip Treatments

  • Early Injury Treatment
  • Avoid the HARM Factors
  • Soft Tissue Injury? What are the Healing Phases?
  • Acupuncture and Dry Needling
  • Core Exercises
  • Biomechanical Analysis
  • Balance Enhancement Exercises
  • Proprioception & Balance Exercises
  • Agility & Sport-Specific Exercises
  • Medications?
  • Real Time Ultrasound Physiotherapy
  • Soft Tissue Massage
  • Brace or Support
  • Bursitis Treatment
  • Dry Needling
  • Electrotherapy & Local Modalities
  • Kinesiology Tape
  • Prehabilitation
  • Strength Exercises
  • Stretching Exercises
  • Supportive Taping & Strapping
  • TENS Machine
  • Video Analysis
  • Yoga
  •  

    Helpful Products for Hip Replacement

     

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    Related Hip Injuries

    General Information

    Hip Joint Pain

    Lateral Hip Pain

    Adductor-related Groin Pain

    Pubic-related Groin Pain

    Inguinal-related Groin Pain

    • Inguinal hernia
    • Sportsman's hernia

    Iliopsoas-related Groin Pain

    • Hip Flexor Strain

    Other Muscle-related Pain

    Systemic Diseases

    Referred Sources

    Hip Surgery


     

    FAQs about Hip Replacement

  • Common Physiotherapy Treatment Techniques
  • What is Pain?
  • Physiotherapy & Exercise
  • When Should Diagnostic Tests Be Performed?
  • Can Kinesiology Taping Reduce Your Swelling and Bruising?
  • How Can You Prevent a Future Leg Injury?
  • How Much Treatment Will You Need?
  • Sports Injury? What to do? When?
  • What are the Common Massage Therapy Techniques?
  • What are the Early Warning Signs of an Injury?
  • What is a TENS Machine?
  • What is Chronic Pain?
  • What is Nerve Pain?
  • What is Sports Physiotherapy?
  • What's the Benefit of Stretching Exercises?
  • When Can You Return to Sport?
  • Why Kinesiology Tape Helps Reduce Swelling and Bruising Quicker
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    References

    http://orthoinfo.aaos.org/topic.cfm?topic=a00377v and

    http://brochures.mater.org.au/getattachment/Brochures/Mater-Hospital-Brisbane/Total-hip-replacement/thr_precautions.jpg


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    Last updated 14-Feb-2019 10:42 AM

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