Marfan syndrome awareness

Overview

Marfan syndrome is a genetic condition that affects connective tissue – the tissue that supports and connects different parts of the body. It can affect the heart, blood vessels, bones, eyes, and other organs. With good medical care, many people with Marfan syndrome live full and active lives.

It is a rare condition, affecting roughly 1 in 5,000 people around the world.

Marfan syndrome can affect anyone, regardless of gender, race, or background. About 3 out of 4 cases are inherited from a parent; the rest are new genetic changes.

Symptoms

Common symptoms

• Tall and thin body build
• Long arms, legs, fingers, and toes
• A chest that sinks in or sticks out noticeably
• Flat feet and loose joints
• Curved spine (scoliosis)
• Nearsightedness or lens dislocation in the eye

Symptoms in children

• Rapid growth during childhood with very long limbs
• A visibly curved spine or uneven shoulders
• Flat feet or loose joints that cause frequent sprains
• Difficulty seeing the board at school or frequent eye problems

Symptoms in older adults

• Heart or blood vessel problems, such as an enlarged aorta
• Repeated joint pain or arthritis-like symptoms
• Shortness of breath, especially with activity
• Sudden vision changes or cataracts at an earlier age than usual

Causes

Main causes

• A change (mutation) in the FBN1 gene, which provides instructions for making a protein called fibrillin-1, needed for healthy connective tissue
• Inheriting the changed gene from a parent who has Marfan syndrome. Each child of an affected parent has a 50% chance of inheriting it.

Risk factors

• Having a parent, sibling, or child with Marfan syndrome is the main risk factor.
• A new genetic change can occur in a person with no family history of the condition.

When to see a doctor

See a doctor urgently if:

• If you have a family history of Marfan syndrome and notice new chest pain, palpitations, or shortness of breath, seek care the same day.
• If you have a sudden change in vision, see a doctor promptly.

Book a routine appointment if:

• If you have several features of Marfan syndrome (like very long limbs, a curved spine, or nearsightedness), talk to your regular doctor about whether a referral to a specialist is right for you.
• If you have a parent or sibling with Marfan syndrome, ask about screening tests to check your heart, eyes, and bones.

Diagnosis

A doctor diagnoses Marfan syndrome by looking at your medical and family history, doing a physical exam, and checking several parts of the body with special tests. A genetic test can also help confirm the diagnosis.

Tests that may be done

• Echocardiogram (an ultrasound of the heart) to check the size and health of the aorta
• Eye examination, including a test to see if the lens in the eye has moved
• X-rays or imaging of the spine, chest, or feet to look for bone changes
• Genetic blood test to look for the FBN1 gene change

What to expect at your appointment

If a doctor suspects Marfan syndrome, you may be referred to a specialist team. You will likely have several tests over a few visits, and the doctor will explain what the results mean for you and your family. It is normal to feel overwhelmed – asking questions and bringing a trusted friend or relative can help.

Treatment

There is no cure for Marfan syndrome, but there are many ways to protect your health and reduce risks. The goal is to keep your heart and blood vessels healthy, manage symptoms, and help you live as normally as possible.

Self-care at home

• Keep regular appointments with your healthcare team, including the heart, eye, and bone specialists.
• Avoid activities that put extreme strain on the heart and aorta, such as heavy weightlifting or intense competitive athletics. Ask your doctor which activities are safe for you.
• Protect your eyes with sunglasses and regular eye exams, and tell your doctor about any vision changes.
• Stop smoking and avoid second-hand smoke, as tobacco can weaken blood vessels.
• Tell any doctor or dentist you visit that you have Marfan syndrome, especially before any procedure.

Medical treatments

Doctors often prescribe medicines to help lower blood pressure and reduce stress on the aorta. These are taken every day, and your doctor will choose the right one for you. Sometimes the same medicine is used for people without high blood pressure, because its purpose is to protect the aorta. You will need regular check-ups and tests to see how well the treatment is working.

When is surgery considered?

Surgery may be recommended if the aorta becomes too wide or a heart valve becomes faulty. This is usually an elective (planned) operation, and your specialist team will explain exactly why it is needed, the risks, and what to expect during recovery.

Living with this condition

Living with Marfan syndrome often means being extra careful about your heart and physical limits, but it doesn’t mean giving up on the things you love. Regular check-ups, a balanced life, and open conversations with your doctors help you stay in control.

Lifestyle tips

• Learn your own body’s limits and avoid sudden, intense exercise.
• Wear a medical alert bracelet or carry a card that lists Marfan syndrome and your medications.
• Before any pregnancy or surgery, talk with your specialist team about extra monitoring.
• Keep an up-to-date list of your medicines and bring it to every appointment.

Diet and exercise

Eating a heart-healthy diet with plenty of fruit, vegetables, and whole grains is a good idea for everyone, including people with Marfan syndrome. For exercise, ask your doctor which activities are safe for you. Low-impact activities like walking, swimming, and gentle cycling are often fine, but heavy lifting and intense contact sports are usually discouraged.

Mental health and emotional wellbeing

Growing up or living with a genetic condition can sometimes bring worry, sadness, or stress. It’s normal to feel this way. Talking to a counselor or joining a support group can help you cope, and you don’t have to face it alone.

Prevention

Because Marfan syndrome is caused by a gene change that is present from the moment of conception, it cannot be prevented. But many of its complications can be delayed or prevented with regular medical care and careful monitoring.

Vaccines

There is no vaccine that prevents Marfan syndrome. However, staying up to date with recommended vaccines helps protect your overall health and may prevent lung and heart infections, which are especially important when you have a heart condition.

Screening programmes

If you have a family member with Marfan syndrome, your doctor may recommend a genetic test and heart, eye, and bone screenings. Early detection can allow treatment to start early and reduce the chance of serious complications.

Complications

If left untreated

• Enlargement or tearing of the aorta, which can be life-threatening
• Heart valve problems, such as a leaking or floppy mitral valve
• Eye problems, including a detached retina or a dislocated lens
• Bone and joint issues, such as severe scoliosis or chronic pain

Long-term outlook

With early diagnosis and regular care, the outlook for people with Marfan syndrome has improved dramatically in recent decades. Many live into their 70s or 80s, and most can enjoy work, family, and recreation. The key is to stay connected with your healthcare team and follow their advice – you have every reason to be hopeful.

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