Total hip replacement: Relieve pain, improve mobility
Total hip replacement: Relieve pain, improve mobility
Having your hip replaced is major surgery. Know what to expect before agreeing to this procedure.
When other therapies fail to provide relief from the pain of a damaged hip, hip replacement may be the answer. Hip replacement — called total hip arthroplasty — can relieve pain and give you back the range of motion you need to go about your daily tasks. But hip replacement surgery isn't without risks. Find out what to expect from hip replacement surgery and weigh the benefits and risks to decide if it's right for you.
Who is hip replacement for?
Hip replacement is usually considered once other therapies, such as pain medications, have failed. Most people undergo hip replacement as a result of osteoarthritis of the hip joint. But you might also consider hip replacement if you experience severe pain, loss of motion or deformity of your hip joint. Hip replacement is also used in people with hip injuries, rheumatoid arthritis and other medical conditions, such as a bone tumor or bone loss due to insufficient blood supply (avascular necrosis).
You might want to ask your doctor about the possibility of hip replacement if you frequently experience any of the following:
Hip replacement used to be an option primarily for adults age 60 and above. But improved technology has made strong and longer-lasting artificial joints that are feasible for more active people, including younger people. However, active people face the possibility of another surgery to replace worn out artificial hip joints after 15 or 20 years.
How do you prepare for hip replacement?
Before surgery you'll meet with your orthopedic surgeon for an examination. The surgeon will ask about your medical history to make sure you're healthy enough to undergo surgery. He or she will also ask about any medications you're taking. He or she will physically examine your hip, paying attention to the range of motion in your joint and the strength of the muscles around your hip. Also expect blood tests and an X-ray.
This preoperative evaluation provides a good opportunity for you to ask any remaining questions you might have about the procedure. If you have any concerns about the surgery, be sure to ask.
In some cases you might need to have blood drawn before your hip replacement surgery. Blood loss during surgery can occur, and having surplus blood on hand minimizes the chances for complications.
How is hip replacement performed?
Hip replacement surgery involves replacing the femoral head — the "ball" of your thighbone — with a metal ball. The metal ball attaches to a metal stem that fits into your thighbone. A plastic and metal socket is implanted into your pelvic bone to replace the damaged socket. The prosthetic parts, which mimic the natural design of your hip, fit together and function like a normal hip joint.
Artificial hip joints come in many varieties. Generally your surgeon decides which hip joint is the best for you. Materials used in making the prostheses include a combination of durable, wear-resistant plastic and metals, including stainless steel and titanium. Implants are biocompatible — meaning they're designed to be accepted by your body — and they're made to resist corrosion, degradation and wear.
Two types of hip implants
Cemented implants are held in place with bone cement. Generally these implants are used in older, less active adults or in people with weaker bones. Recovery is quicker with cemented implants, though they can eventually come loose. Uncemented implants have textured surfaces that allow new bone to grow into the implant, securing it in place. Recovery takes longer, since it takes time for new bone to grow. However uncemented implants are less likely to come loose and may be the preferred prosthesis for active people.
Hip prostheses are designed to mimic the ball and socket action of your hip joint. During surgery your surgeon removes the diseased or damaged parts of your hip joint and inserts the artificial joint.
What happens after hip replacement surgery?
You'll likely stay in the hospital for a few days while you recover. As early as the day after your surgery, you may be encouraged to sit up and even try walking with crutches or a walker. A physical therapist may help you with some exercises that you can do in the hospital and at home to speed recovery. Before you leave the hospital, you and your caregivers will get tips on caring for your new hip.
Planning ahead can make it easier for you to recover at home. You might need to make some modifications at home, such as getting a raised toilet seat, and have a friend or relative prepare some meals for you.
Activity and exercise must be a regular part of your day to regain the use of your joint and muscles. Your physical therapist will recommend strengthening and mobility exercises and will help you learn how to use a walking aid, such as a walker or crutches. As therapy progresses, you'll gradually increase the weight you put on your leg until you're able to walk without assistance.
About six to eight weeks after surgery, you'll have a follow-up appointment with your surgeon to make sure your hip is healing properly. If recovery is progressing well, most people resume their normal activities by this time — even if in a limited fashion.
Results of hip replacement surgery
The odds of a successful recovery are in your favor — hip replacement surgery is successful more than 90 percent of the time. You can expect to be pain-free for 10 to 15 years after surgery.
Expect your new hip joint to reduce the pain you felt before your surgery and increase the range of motion in your joint. But don't expect to do anything you couldn't do before surgery. High-impact activities — such as running or playing basketball — may never get your doctor's approval. But in time, you may be able to swim, play golf, walk or ride a bike comfortably.
Risks of hip replacement surgery
Talk with your surgeon about any concerns you might have before surgery. He or she can help you understand your risk of complications.
New techniques are on the horizon for hip replacement surgery. Minimal incision hip replacement requires only a 3- to 5-inch incision — a departure from the current 10- to 12-inch incision. Some studies have shown that people who undergo minimally invasive hip replacement have an easier and less painful recovery, spend less time in the hospital and have fewer complications. But other studies haven't found this. More studies and longer follow-up are needed to evaluate minimally invasive techniques.
Last Updated: 04/18/2005
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