Heart Valve Replacement

Overview

Your heart has four valves. Think of them as one-way gates that open and close to keep blood moving in the right direction. Sometimes a valve becomes narrowed (called stenosis), leaky (called regurgitation), or both. When that happens, your heart has to work harder to push blood around your body. Heart valve replacement is a procedure that removes the damaged valve and puts a new one in its place. The new valve can be mechanical (made from man-made materials) or biological (made from animal tissue or donated human tissue). Sometimes surgeons can repair your own valve instead of replacing it, which is often the first choice when it is possible.

Yes. Heart valve replacement is a common and well-established heart procedure. Many thousands are performed around the world every year, and the numbers keep rising as people live longer.

It is most common in people over 60, because valves can thicken and stiffen with age. It can also affect younger adults and children, especially people born with an abnormal valve or who had rheumatic fever earlier in life.

Symptoms

Common symptoms

• Shortness of breath, especially when moving around or lying flat
• Feeling unusually tired or low on energy
• Dizziness or light-headedness
• Chest pain or tightness, often with exertion
• A fluttering or pounding feeling in the chest (palpitations)
• Swelling in the ankles, feet, or legs
• A heart murmur — an extra sound your doctor hears through a stethoscope
• Feeling full or bloated, or gaining weight quickly from fluid

Symptoms in children

• Trouble feeding, or getting very tired and sweaty during feeds
• Poor weight gain or slower growth than expected
• Fast breathing or breathlessness during play
• A bluish tint to the lips or skin (this needs urgent medical attention)
• Getting tired much faster than other children during activity

Symptoms in older adults

• Breathlessness when doing light tasks like dressing or walking to the shop
• A drop in energy that gets put down to getting older
• Swollen ankles or legs, or shoes feeling tight
• Feeling faint, or having falls
• Confusion or memory difficulties that get worse, sometimes linked to poor blood flow
• Chest pain or a racing heartbeat

Causes

Main causes

• Age-related wear and tear, where calcium builds up and makes the valve stiff (common in the aortic valve)
• Being born with an abnormal valve, such as a bicuspid aortic valve that has two flaps instead of three
• Rheumatic fever after an untreated strep throat infection, which can scar valves over time
• Infection of the heart valve (endocarditis)
• Other conditions such as connective tissue disorders, or damage after a heart attack
• Previous chest radiotherapy, which can damage valves many years later

Risk factors

• Getting older
• A family history of valve problems or early heart disease
• Previous rheumatic fever or strep infection
• High blood pressure and high cholesterol
• Smoking
• Long-term kidney disease or diabetes
• Injecting drugs, which raises the risk of valve infection
• Poor dental health, which can let bacteria reach the heart

When to see a doctor

See a doctor urgently if:

• Chest pain that is new, severe, or happening at rest
• Breathlessness that has suddenly got worse
• Fainting or near-fainting
• A fever with no clear cause, particularly if you have a known valve problem
• Fast or irregular heartbeat with dizziness

Book a routine appointment if:

• You feel more breathless or tired than you used to during normal activity
• Your ankles or feet swell by the end of the day
• A doctor has heard a heart murmur and you want it checked
• You have a family member with valve disease and want advice
• You have questions about an upcoming valve procedure or your recovery

Diagnosis

Your doctor will start by asking about your symptoms and listening to your heart with a stethoscope. A murmur or an unusual heartbeat sound often prompts further tests. The main test is an echocardiogram, which uses sound waves to make pictures of your valves and shows how well they open and close. Your doctor will also want to know how well your heart is pumping and whether the valve problem is causing strain.

Tests that may be done

• Echocardiogram (an ultrasound scan of the heart) — the key test for valves
• Electrocardiogram (ECG) — a tracing of your heart rhythm
• Chest X-ray to look at the size and shape of your heart
• Blood tests to check your general health and look for strain on the heart
• Stress testing, such as walking on a treadmill, to see how your heart copes with activity
• Cardiac CT or MRI scans for more detailed pictures
• Cardiac catheterisation (a thin tube guided to the heart) to measure pressures and check the coronary arteries

What to expect at your appointment

These tests are mostly painless and quick. An echocardiogram feels like a normal ultrasound — cold gel and a probe on your chest. You may have several appointments over weeks or months, and your team will explain what each result means. Bring someone with you if you would like support, and write down your questions beforehand.

Treatment

Treatment depends on which valve is affected, how damaged it is, and how your symptoms and heart are coping. Some people are safely watched with regular check-ups for years. Others need a procedure to repair or replace the valve. Your heart team will weigh up the risks and benefits with you and explain the options in plain terms.

Self-care at home

• Keep all your follow-up appointments, even when you feel well
• Take your medicines exactly as prescribed and ask your pharmacist if anything is unclear
• Tell any doctor or dentist that you have a heart valve problem or a replaced valve, before treatment
• Look after your teeth and gums, and have regular dental check-ups
• Stop smoking, and get help from your local stop-smoking service if you want to quit
• Weigh yourself at the same time each day if your team asks you to, and report fast changes
• Stay active within what feels comfortable, and follow any advice from your heart team

Medical treatments

Medicines cannot repair a damaged valve, but they can ease strain on the heart and control symptoms. Your doctor may prescribe medicines to lower blood pressure, control heart rhythm, remove extra fluid, or protect the heart while you wait for a procedure. After a mechanical valve, you will usually need a long-term medicine that prevents blood clots; after a tissue valve this is often needed for a shorter time. Your team will explain exactly what you need and why. Never stop or change these medicines without talking to your doctor first.

When is surgery considered?

A procedure is usually considered when a valve problem is causing symptoms, when the heart is starting to show strain, or when tests show the risk of waiting is higher than the risk of the operation. There are two main approaches: open-heart surgery, which is very well established, and a less invasive option called TAVI for some people — often older adults or those who would find open surgery harder to recover from. The choice is personal and depends on your age, other health conditions, and the valve involved.

Living with this condition

Recovery takes time. Most people spend a few days to about a week in hospital, then need several weeks at home to build strength gradually. Wound sites and tiredness usually improve steadily over the first six to twelve weeks. Many people are surprised by how much better they feel once they have recovered — breathing and energy often improve noticeably. Plan for help with shopping, cooking, and lifting for the first few weeks.

Lifestyle tips

• Build activity back slowly and steadily rather than in big bursts
• Ask your team when it is safe to drive, lift heavy things, or return to work
• Avoid infections where you can — wash hands well and keep up with routine vaccinations
• Tell your dentist about your valve before any dental work
• Carry a card or wear a bracelet that says you have a replaced valve
• Keep a simple note of symptoms, weight, and how you feel, to share at appointments

Diet and exercise

Eat a balanced diet with plenty of vegetables, fruit, whole grains, and lean protein, and keep salt modest to help with fluid and blood pressure. Your team may refer you to cardiac rehabilitation — a supervised exercise and education programme that is one of the best ways to recover after a valve procedure. It is safe and designed for people at all fitness levels. Ask your doctor or nurse how to join. Start any new exercise plan by talking it through with your care team.

Mental health and emotional wellbeing

It is very common to feel anxious before a heart procedure, and low in mood during recovery. You may worry about the valve, the operation, or getting back to normal life. These feelings usually ease, but they deserve attention rather than being brushed aside. Talk to your doctor, nurse, or a counsellor — support is available and asking for it is a sign of strength. If you ever have thoughts of harming yourself or feel you cannot cope, contact your local emergency number or a crisis support service right away, and tell someone you trust how you are feeling.

Prevention

Not all valve problems can be prevented, especially those you are born with or that run in families. But some causes can be reduced. Treating strep throat properly helps prevent rheumatic fever, which is a major cause of valve damage worldwide. Looking after your heart and teeth also helps protect your valves.

Vaccines

Keep up with routine vaccinations, including flu and other recommended vaccines for your age and health. Infections put extra strain on the heart. Ask your doctor or pharmacist which vaccines are right for you.

Screening programmes

There is no routine screening programme for valve disease. If you have a heart murmur, a family history of valve problems, or previous rheumatic fever, ask your doctor whether you should be checked. A simple listening test with a stethoscope is the first step.

Complications

If left untreated

• The heart muscle can weaken over time, leading to heart failure
• Fluid can build up in the lungs, legs, and tummy
• Irregular heart rhythms can develop
• Higher risk of stroke and blood clots
• Infection of the valve (endocarditis), which is serious
• In severe cases, the heart can struggle to cope, which is why timely treatment matters

Long-term outlook

For most people, valve replacement brings real, lasting improvement — better breathing, more energy, and a longer, more active life. Recovery takes patience, and there are risks with any procedure, but these are carefully weighed by your heart team. Many people return to work, travel, and the activities they enjoy. Your team will keep checking your valve over the years, so any change can be dealt with early.

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