Compartment syndrome – what is it? What are the symptoms? And why do you need to know!

Compartment syndrome

Compartment syndrome

Compartment syndrome is a painful and potentially serious condition caused by bleeding or swelling within an enclosed bundle of muscles – known as a muscle “compartment”.

Each group of muscles in the arms and legs, together with nearby blood vessels and nerves, is contained in a space surrounded by tissue called fascia.

Compartment syndrome occurs when the pressure within a compartment increases, restricting the blood flow to the area and potentially damaging the muscles and nearby nerves.

It usually occurs in the legs, feet, arms or hands, but can occur wherever there is an enclosed compartment inside the body.

 

Types of compartment syndrome

There are two main types of compartment syndrome: acute compartment syndrome and chronic (also called exertional) compartment syndrome.

Acute compartment syndrome:

happens suddenly, usually after a fracture or severe injury

is a medical emergency and requires urgent treatment

can lead to permanent muscle damage if not treated quickly

Chronic compartment syndrome:

happens gradually, usually during and immediately after repetitive exercise (such as running or cycling)

usually passes within minutes of stopping the activity

is not a medical emergency and doesn’t cause permanent damage

Symptoms of compartment syndrome

Acute compartment syndrome

Symptoms of acute compartment syndrome usually develop after an injury and get quickly worse.

Symptoms can include:

intense pain, especially when the muscle is stretched, which seems much worse than would normally be expected for the injury

tenderness in the affected area

tightness in the muscle

a tingling or burning sensation

in severe cases, numbness or weakness (these are signs of permanent damage)

Chronic compartment syndrome

Symptoms of chronic compartment syndrome tend to develop gradually during exercise and improve with rest.

Symptoms can include:

cramping pain during exercise, most often in the legs

swelling or a visibly bulging muscle

a tingling sensation

the affected area turning pale and cold

in severe cases, difficulty moving the affected body part

When to get medical advice

It’s important to get medical advice if you think you have compartment syndrome.

If you think you have acute compartment syndrome – go to your nearest accident and emergency (A&E) department as soon as possible.

If you think you have chronic compartment syndrome – speak to your GP for advice.

Acute compartment syndrome is a medical emergency and ideally needs to be treated in hospital within a few hours to avoid permanent damage to the muscles or nerves.

Chronic compartment syndrome is much less serious, but it’s a good idea to get your symptoms checked out and have the cause diagnosed.

Causes of compartment syndrome

Acute compartment syndrome

Acute compartment syndrome can be caused by:

a broken bone or a crush injury – this is the most common cause

a plaster cast or tight bandage being applied to a limb before it has stopped swelling

burns, which can cause the skin to become scarred and tight

surgery to repair a damaged or blocked blood vessel (because once blood is able to flow back into a muscle, it can lead to swelling)

In rare cases, it can occur without any obvious injury.

Chronic compartment syndrome

Chronic compartment syndrome usually occurs in young people who do regular, repetitive exercise – such as running or cycling.

The exact cause is unknown.

One theory is that it’s caused by temporary swelling of the muscles during exercise affecting the blood supply to a whole group of muscles.

Treatments for compartment syndrome

Acute compartment syndrome

Acute compartment syndrome must be treated in hospital using a surgical procedure called an emergency fasciotomy.

The doctor or surgeon makes an incision to cut open your skin and fascia surrounding the muscles, to immediately relieve the pressure inside the muscle compartment.

The wound will usually be closed a few days later. Occasionally, a skin graft may be required to cover the wound.

Chronic compartment syndrome

Chronic compartment syndrome isn’t usually dangerous and can sometimes be relieved by stopping the exercise that triggers it and switching to a less strenuous activity.

Physiotherapy, shoe inserts (orthotics) and non-steroidal anti-inflammatory medicines may help  speak to your GP about this.

Surgery (see above) will only be considered if your symptoms persist despite the above measures. In these cases you’ll go on a waiting list, as chronic compartment syndrome isn’t a medical emergency.

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