How do I Treat a Knee Fracture?

The word fracture refers to any type of break in a bone, including small cracks as well as injuries that snap a bone into two or more pieces. The bones in the knee include the patella, or kneecap, and parts of the femur and tibia; a knee fracture can involve one or more of these bones. In most cases, the damage caused by such an injury is too serious to self-treat, and failing to get expert medical care can lead to complications. Anyone with this type of injury should seek medical attention as soon as possible. There are some simple self-care measures that can be taken while waiting for treatment, such as stabilizing the knee and applying an ice pack, but these are not a substitute for professional care.
Causes and Symptoms

Injuries to the bones in the knee can occur in several ways, such as a car accident, a direct blow to the knee, or falling, such as off a ladder or chair, or down stairs. Repeated stress of the knee joint can sometimes cause fractures, particularly in older people. These stress injuries typically affect the ends of the tibia or femur that connect with the kneecap, and they are less likely to affect the kneecap itself.

The most common signs of a knee fracture are pain, swelling, and bruising of the affected joint. A person with this injury will typically have trouble standing on the injured leg, and might have go into shock. Symptoms of shock include chills, pale skin, nausea, and vomiting. In some cases, the leg might appear to be crooked or shorter than normal.
Non-Medical Care

Depending on the circumstances, there might be some waiting time before a healthcare provider can examine the injury, and during this time, taking appropriate self-treatment measures can help prevent further damage. The injured person should not attempt to walk, but instead sit and elevate the leg, if possible, to help reduce swelling. If elevation causes the pain to worsen, this step can be avoided.

Applying ice to the injury can also reduce swelling. An effective home-made ice pack is ice placed in a sturdy plastic bag, or simply a package of frozen vegetables, such as peas or corn. If the skin is broken, ice should not be applied directly, to prevent the wound getting wet. An ice pack can be used for 15 to 20 minutes per session, with a gap of at least an hour between sessions.

Stabilizing the knee joint is another good way to help prevent further injury. A splint, compression bandage, or regular bandage can help provide the necessary stabilization. If anything is wrapped around the joint, care must be taken to ensure that it is firm but not tight, especially if the knee continues to swell.
It is best not to eat anything while waiting to be examined, and to drink only small amounts of water. This is a precautionary measure in case surgery is needed. Pain medication can be taken, but any drugs used must be reported during a medical examination, again as a pre-surgery precautionary measure.
Medical Treatment

In most cases, professional treatment is carried out in a hospital, or perhaps a doctor's office or clinic. The knee is examined and X-rayed to determine the exact nature of the bone breakage, and treatment depends on how extensive the damage is. A relatively minor fracture might only require that a cast or knee brace be worn for four to six weeks, followed by a gradual return to the individual's previous fitness level once it is removed.

Serious fractures might require surgical treatment before a cast or brace is put on. When a bone is shattered into several pieces, surgery is performed to restore the bone to as near its original shape as possible. If necessary, the bone pieces are held in place with metal rods or pins, which provide additional stability while the bone is regrowing. In some cases, a person might need to wear a cast or brace for a few extra weeks.
Rehabilitation
A person wearing a cast or brace might be provided with crutches to help reduce the weight the injured knee must bear. Moderate pain is normal after a bone fracture, particularly in cases where surgery is needed. Typical medications that might be prescribed include ibuprofen or another anti-inflammatory, and pain management drugs such as acetaminophen and codeine.
Depending on the nature of the injury, a healthcare provider might recommend physical therapy after the cast or brace is removed, and perhaps even while it is still on. Initial exercises often include leg lifts to strengthen the thigh muscles to reduce strain on the knee. Once the brace or cast is removed, exercises typically focus on strengthening the knee joint and improving its range of motion. In cases of severe injury, it might be six months to a year before the knee is back to normal; on rare occasions, the joint might not ever fully heal.
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Discussion Comments
Ooh, fractures of the knee are nasty! My dad once had a compression fracture in his knee, and it was terrible to see how much pain he was in.
He had to keep the knee immobilized for a long time, which drove him crazy, because he's normally very active -- without his daily run, he gets cranky, so you can understand how hard it was to have to say still for that long!
It is also crazy how much rehabilitation exercise it takes to get a knee back to working properly. I guess it's just because the joint is so complicated that it takes a long time to heal itself.
I'm just glad that I never had to go through anything like that, at least not yet! The worst I've had to deal with is a hand fracture.
Very nicely done. The thing I really like about you guys' medical articles is that you don't try to play doctor, like so many other sites do, but rather just lay out the facts.
I would just like to add though, that in the case of any problem with your knee, if there is any swelling or heat, then you really should go to the doctor to get it checked out if it lasts more than 24 hours. The problem is, that can be the sign of several different serious knee problems, from as little as a micro fracture of the knee to a full out cartilage tear.
The same applies for hand and wrist fractures by the way, and honestly for any joint. If you injure yourself and experience redness and swelling of a joint, then as a general rule, get it checked out by a doctor ASAP.
Definitely better to be safe than sorry with these things.
When I was younger I had a stress fracture in my knee from dancing and didn't know it until my knee started swelling up after every practice.
For a while I thought that it was just a sprain, but then I started showing all the classic fracture symptoms -- nausea, intense pain in the knee, difficulty standing on the leg -- so I finally went in and got it checked out.
Turned out that I had a micro stress fracture in my knee from all the dancing that I had been doing, and I ended up having to immobilize it for a month, and then go into physical therapy for a few months after that.
Luckily, there wasn't permanent damage, although the doctor said if I had kept dancing on it then I could have damaged the knee so badly that I would have needed extensive surgery even to walk.
So, moral of the story is, if you think there's something wrong with your knee, don't mess around and keep using it. Go to the doctor!
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