A hip fracture is another term for a broken hip. It is a common injury in older women with underlying 'thinning' of the bones (osteoporosis).
You can find out more about the structure of the hip joint from our leaflet called Hip Problems.
Hip fracture symptoms
If you break (fracture) your hip you will feel a lot of pain around the injured hip. Typically this is most pronounced over the outer upper thigh or in the groin. You will be unable to move your hip, stand or walk. The affected leg often looks shorter and is turned outwards compared to the other leg. You may also feel light-headed, both due to pain and also because broken bones may bleed internally and this can cause your blood pressure to fall.
What should I do if I am concerned that I have a hip fracture?
If you think that you may have broken (fractured) your hip, you need to go to hospital as soon as possible. In most cases, this will mean calling 999/112/911 for an ambulance, as it is unlikely that you can be comfortably moved without a stretcher. Whilst waiting for the ambulance to arrive, do not try to move. You should also try to keep warm; covering up with a blanket may be helpful.
Do not eat or drink anything while you are waiting for the ambulance to arrive. When the ambulance arrives, you may be given some pain relief for the journey, sometimes as a painkilling gas to breathe. You will be carried on a stretcher to the ambulance and taken to hospital.
What happens when I arrive at hospital?
You will usually be seen in the Accident and Emergency department and assessed quickly. You may be given some further pain relief medication, if needed, and sent for an X-ray to look at your hip. If you are lacking in fluid in the body (dehydrated), you may be given some fluids via a drip into one of your veins (intravenous fluids). You will then usually be seen by an orthopaedic surgeon who will decide the best way to treat your broken (fractured) hip - see below. Another specialist may also see you to assess whether you have any pre-existing health problems. This is to make sure that you are as fit as possible before you have any operation, and also to look for reasons why you may have fallen.
Occasionally, a hip fracture cannot be seen on a standard X-ray. If you have hip pain and have fallen, the doctors will want to be certain that you have not broken your hip. You may therefore be offered a magnetic resonance imaging (MRI) scan, which gives more detailed information about the hip joint and soft tissue around it. If an MRI scan is not suitable for you or if it is not available within 24 hours, a different type of scan called computerised tomography (CT) will be offered.
Hip fracture treatment
Most people who have a broken (fractured) hip need surgery to fix the break in the bone. The type of surgery will depend on where you have broken your hip bone (whether you have an intracapsular or extracapsular fracture) and also any underlying health problems that you may have. You should discuss the options available with the surgeon who is performing your operation. Current guidelines from the National Institute for Health and Care Excellence (NICE) recommend that surgery should be performed, if possible, on the day of, or the day after, admission to hospital. The guidelines also say that adequate pain relief before and after surgery is essential. You will normally be given a painkiller such as paracetamol regularly, and stronger painkillers if this is not enough to control your pain. (However, non-steroidal anti-inflammatory medicines are not recommended, as they may increase the bleeding associated with the fracture.) Another option is an injection to block a nerve in order to relieve pain experienced from that nerve.
Types of anaesthetic used in hip fracture surgery
You may be given a choice about the type of anaesthetic used for your surgery. The doctor who provides the anaesthetic (anaesthetist) will advise and help you decide. Options include spinal anaesthesia or general anaesthetic - you can find out all the details in our leaflet called Anaesthesic for Hip or Knee Replacement.
Intracapsular hip fractures
Usually, if you have a non-displaced intracapsular hip fracture, you will have an operation to join together and hold in place the broken bone fragments. This is known as internal fixation. Various devices can be used to provide the fixation, including screws, nails, plates and rods. Internal fixation like this enables quicker healing of the broken hip bone and usually allows you to become mobile again more quickly.
Sometimes, a non-displaced intracapsular fracture is treated conservatively. This means that no operation is done and your hip bone is left to heal naturally. However, if this is the case, your stay in hospital tends to be longer. There is a risk that the bone fragments move so that the hip fracture becomes displaced. Conservative treatment is usually reserved for people who have severe underlying health problems or who are very frail, who would not be able to go through an operation.
If you have a displaced intracapsular hip fracture, the bone fragments need to be re-aligned. They can then be fixed in place during an operation using internal fixation, as described above. The best treatment for a displaced fracture, however, is a hip replacement. Hip replacement is also known as hip arthroplasty. During a hip replacement, the surgeon removes parts of the bones that make up your hip and replaces them with artificial hip parts, also called prostheses. In a total hip arthroplasty, both sides of the hip joint are replaced (the ball, or head, of the thigh bone (femur) and the acetabulum socket). In a hemiarthroplasty, only the head of the femur is replaced by a prosthesis.
Extracapsular hip fractures
An operation is needed to treat extracapsular hip fractures. A special screw called a sliding hip screw is usually fitted to hold the bone fragments in place. Sometimes a nail (called an intramedullary nail) is used instead.
Hip fracture recovery
After surgery you will usually be taken from the operating theatre to an orthopaedic ward. You will be given pain relief as needed. Oxygen therapy (via a face mask or nasal cannulae) is usually given. A drip to give you intravenous fluids will also be required by most people.
After surgery, you should be offered rehabilitation treatment, including physiotherapy, which should start on the day after surgery. A physiotherapist will assess you and offer mobilisation (exercises to help promote strength and recovery), unless there is a medical or surgical reason not to. You should be offered supervised mobilisation at least once a day and have regular physiotherapy reviews. You may also be seen by an occupational therapist to help you reach your maximum level of function and independence after your hip break (fracture). They can help with any adaptations that may be needed around your home to allow you to return home safely.
Some hospitals have specialised rehabilitation wards that are set up to help elderly people who have sustained injuries, including hip fractures.
What is a hip fracture?
If you have a hip fracture, you have a broken hip bone. Your hip can break in different places. A hip fracture can be:
- Intracapsular: the bone within the joint capsule breaks.
- Extracapsular: the bone outside the joint capsule breaks.
The place that the bone is broken determines the treatment that the orthopaedic surgeon suggests (see below).
Your hip fracture can also be displaced or non-displaced:
- A displaced fracture is a fracture where the broken bones have moved out of their normal position. If the bone fragments have moved, they need to be put back (reduced) into their normal alignment.
- In a non-displaced fracture, the bone fragments, even though they are broken, are still aligned in their normal position.
How common is a hip fracture?
Hip fracture is a very common injury mainly affecting older people. It is one of the most common reasons for being admitted to a bone (orthopaedic) treatment ward in a hospital. Over 70,000 hip fractures are currently treated each year in the UK.
About 7-8 in 10 people who fracture a hip are women. The average age of someone who fractures their hip is over 80 years.
What causes a hip fracture?
For most older people, a hip fracture happens after a fall, usually just a fall from standing. 'Thinning' of the bones (osteoporosis) is the leading cause of hip fracture. If you have osteoporosis you are more likely to fracture your hip when you fall. Osteoporosis means that your bones have become less dense and more fragile, so that less force is needed to break them. (See the separate leaflet called Osteoporosis for more detail.)
There are a number of reasons why an older person may fall. It may be a simple trip over a loose rug or an item of furniture. However, sometimes there may be a medical reason for a fall, such as low blood pressure, a heart rhythm abnormality, or a faint. If you fracture your hip, the doctors will usually try to work out why you may have fallen. Any underlying problem may need to be treated.
Hip fracture can also occur in younger people. In these cases, it is more likely to be caused by trauma such as a car crash or a fall from a significant height. The denser bones of younger people mean that greater force is needed to break a bone as large as the hip bone.
Treatment of any underlying osteoporosis
If you are an elderly person who has broken your hip, it is common for there to be underlying 'thinning' of the bones (osteoporosis). Depending on your age, you may be referred for a special dual-energy X-ray absorptiometry (DXA) bone scan to look for any evidence of bone thinning and osteoporosis.
Treatment of osteoporosis is most commonly with a medicine in the bisphosphonate group of medicines, which are often prescribed with calcium and vitamin D dietary supplements. See the separate leaflet called Bisphosphonates.
Are there any possible complications after a hip fracture?
Complications that may occur in some people following a broken (fractured) hip include:
- Infection - you may be given some antibiotics to try to prevent infection (such as wound infection) after surgery to treat a hip fracture. Pneumonia is another infection that can occur after a hip fracture.
- Deep vein thrombosis (DVT) - a DVT is a blood clot in a vein, usually a leg vein. It can be caused by immobility. As you will be more immobile after a hip fracture, you are at increased risk of developing a DVT. For this reason, you will also usually be given some blood-thinning injections to help prevent DVT after you have a hip fracture. (See the separate leaflet called Deep Vein Thrombosis for further details.)
- Blood loss - this can occur after a fractured hip. Because of possible blood loss, you may need fluid replacement via a drip. Sometimes a blood transfusion is needed.
- Fracture non-union - this occurs when the bone fragments of the fracture do not heal or join back together in the normal way.
- Avascular necrosis - this is more likely if you have an intracapsular hip fracture. The blood supply to the head of the thigh bone (femur) is damaged by the fracture. Without blood, the bone tissue can die back and crumble. This can lead to problems including persistent (chronic) pain around the hip.
- Pressure ulcers - a pressure ulcer is an ulcerated area of skin caused by irritation and continuous pressure on part of your body. If you are not very mobile and are spending long periods in bed or in a chair (as you are after a hip fracture), you are at increased risk of developing a pressure ulcer. (See the separate leaflet called Pressure Sores for more details.)
What is the prognosis after a hip fracture?
Outlook (prognosis) can depend to some extent on how fit you were before you broke (fractured) your hip. However, even the fittest of people do not always regain full mobility afterwards. If you were less fit when you broke your hip, you may find that after a hip fracture, it becomes difficult for you to live independently.
Some people need extra care when they move back home after a hip fracture. Others may need to move into a residential or nursing home so that they can get the extra care with mobility that they need.
Some people have persistent pain in their hip area after a fracture. If this is severe you should seek medical advice.
Can a hip fracture be prevented?
'Thinning' of the bones (osteoporosis) complicated by a fall is the most common underlying cause of a broken (fractured) hip. Prevention of a hip fracture is aimed at trying to prevent osteoporosis, treating any osteoporosis that is already present, and trying to prevent falls.
The separate leaflet called Osteoporosis discusses its prevention in detail. But briefly, osteoporosis prevention includes:
- Regular weight-bearing exercise such as brisk walking, aerobics, dancing, and running.
- Ensuring adequate calcium and vitamin D intake (possibly with supplements). See the separate leaflets called Calcium-rich Diet and Vitamin D Deficiency.
- Smoking and alcohol can affect your bones and make bone loss worse. If you smoke, you should make every effort to stop. If you drink heavily you should cut down.
- Measures to reduce the chances of having a fall.
A note about hip protectors
In the past it has been suggested that wearing special padding around your hip (known as a hip protector) might reduce the chance of breaking a hip if you fall. Early reports of some trials suggested that this was a good idea. However, further trials suggested that hip protectors are not effective in preventing a broken hip in those who live at home. Their effectiveness for patients who are particularly frail - for example, those living in a nursing home - is uncertain.
Further reading and references
; NICE Guideline (June 2011, updated May 2017)
; NICE Clinical Guideline (August 2012, updated February 2017)
; National Osteoporosis Guideline group (NOGG) 2017
; Hip protectors for preventing hip fractures in older people. Cochrane Database Syst Rev. 2014 Mar 31(3):CD001255. doi: 10.1002/14651858.CD001255.pub5.
; Scottish Intercollegiate Guidelines Network - SIGN, (March 2015)
; Modernising Hip Fracture Anaesthesia. Open Orthop J. 2017 Oct 3111:1190-1199. doi: 10.2174/1874325001711011190. eCollection 2017.
; Vitamin D and vitamin D analogues for preventing fractures in post-menopausal women and older men. Cochrane Database Syst Rev. 2014 Apr 144:CD000227. doi: 10.1002/14651858.CD000227.pub4.
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