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A bone graft is a surgical procedure used to fix problems with bones or joints. Bone grafting, or transplanting of bone tissue, is beneficial in fixing bones that are damaged from trauma, or problem joints. It’s also useful for growing bone around an implanted device, such as a total knee replacement. A bone graft may fill a void where bone is absent or help provide structural stability.
The bone used in a bone graft can come from your body, a donor, or it can be entirely man-made. The bone graft can provide a framework where new, living bone can grow if it’s accepted by the body.
The two most common types of bone grafts are:
The type of graft used depends on the type of injury your surgeon will be repairing. Allografts are commonly used in hip, knee, or long bone reconstruction. Long bones include arms and legs. The advantages are there’s no additional surgery needed to acquire the bone. It also lowers your risk of infection since additional incisions or surgery aren’t required
Bone grafting is done for numerous reasons, including injury and disease. There are four main reasons bone grafts are used:
All surgical procedures involve risks of bleeding, infection, and reactions to anesthesia. Bone grafts carry these risks and other risks, including:
Ask your doctor about these risks and what you can do to minimize them.
Your doctor will perform a complete medical history and physical examination before your surgery. Make sure you tell your doctor about any medications, over-the-counter drugs, or supplements you’re taking.
You’ll most likely be required to fast before surgery. This is done to prevent complications while you’re under anesthesia.
Your doctor will give you complete instructions about what do to the days before and the day of your surgery. It’s important to follow those instructions.
Your doctor will decide which type of bone graft will be used before your surgery. You’ll be given general anesthesia, which will put you into a deep, peaceful sleep. An anesthesiologist will monitor the anesthesia and your recovery.
Your surgeon will make an incision in the skin above where the graft is needed. They’ll then shape the donated bone to fit the area. The graft will be held in place using any of the following:
Once the graft is securely in place, your surgeon will close the incision or wound with stitches and bandage the wound. A cast or splint may be used to support the bone while it heals. Many times, no casting or splint is necessary.
Recovery from bone grafts depends on the size of the graft and other variables. Typical recovery can take anywhere from two weeks to more than a year. You’ll probably need to avoid vigorous physical activity for as long as your surgeon suggests.
Apply ice and elevate your arm or leg after surgery. This is extremely important. It can help prevent swelling, which causes pain and can cause blood clots in your leg. As a general rule, keep your arm or leg above the level of your heart. Even if your injury is in a cast, putting ice bags over the cast may help.
During your recovery, you should exercise the muscle groups that weren’t affected by the surgery. This will help keep your body in good shape. You should also maintain a healthy diet, which will aid in the recovery process.
One of the best things you can do is quit smoking. This will improve the health of your body after surgery and beyond. Smoking slows the healing and growth of bone. Research has shown that bone grafts fail at a higher rate with smokers. Some surgeons refuse to do elective bone grafting procedures on those who smoke.
Written by: Brian Krans
Medically reviewed on: Nov 20, 2015: William A Morrison, MD
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