Bicuspid Aortic Valve: Causes, Symptoms, Treatment and Cost
Last Updated: Sep 09, 2019
What is a Bicuspid Aortic Valve?
A congenital cardiac defect known as bicuspid aortic valve (BAV) is characterized by an aortic valve with two leaflets (sometimes referred to as cusps) rather than the typical three. The primary artery that supplies the body with oxygenated blood, the aorta, and the left ventricle of the heart are connected by the aortic valve.
The aortic valve has three cusps that open and close in a healthy heart to let blood flow from the heart into the aorta and block blood flow back into the heart. However, in a bicuspid aortic valve, the valve only has two cusps. This can cause the valve to function improperly and lead to problems such as aortic stenosis (narrowing of the valve opening) or aortic regurgitation (leakage of blood back into the heart).
BAV is the most common congenital heart defect, affecting approximately 1-2% of the population. It may not cause any symptoms or problems in some individuals, while others may require medical or surgical interventions to manage complications associated with the condition.
What are the types of Bicuspid Aortic Valve?
An aortic valve with two cusps rather than the typical three is known as a bicuspid aortic valve, which is a congenital heart defect. There are three main types of BAV, distinguished by the size and shape of the cusps and the presence of a fibrous band called a raphe. The different types of BAV can have varying degrees of severity and may require different treatment approaches.
Here's a more detailed explanation of the three types of Bicuspid Aortic Valve;
Type 1 BAV
This is the most common type of BAV, accounting for approximately 75-80% of cases. In type 1 BAV, the two cusps are of unequal size, with one cusp being larger than the other. There is typically a fibrous band, called a raphe, that runs down the center of the valve between the cusps. This raphe can cause turbulence in the blood flow through the valve, leading to aortic stenosis or aortic regurgitation.
Type 2 BAV
In type 2 BAV, the two cusps are of equal size, and there is no raphe between them. This type of BAV is less common than type 1 and may be associated with a lower risk of complications.
Type 3 BAV
Type 3 BAV is the least common type, accounting for approximately 10-15% of cases. In this type, the cusps are partially fused, creating a tricuspid appearance. If left untreated, aortic dilatation and dissection, which can result in life-threatening consequences, may be more common with this kind of BAV.
What causes Bicuspid Aortic Valve?
A congenital heart abnormality known as the bicuspid aortic valve (BAV) is present from birth. Although the precise cause of BAV is unknown, it is thought to be a result of both genetic and environmental factors.
Some of the potential causes of BAV include;
- Genetic mutations or variations that affect the development of the aortic valve
- Exposure to specific drugs or substances when pregnant
- Maternal conditions such as diabetes or hypertension
- Advanced maternal age
- Other congenital cardiac conditions or syndromes
What are the symptoms of Bicuspid Aortic Valve?
Bicuspid aortic valve (BAV) may not cause any symptoms in some individuals, and the condition may be detected incidentally during routine medical examinations.
However, in some cases, BAV can lead to complications that cause symptoms such as;
- Chest pain or discomfort
- Shortness of breath
- Fatigue or weakness
- Dizziness or fainting
- Heart palpitations or irregular heartbeats
- Swollen ankles or feet
It's important to note that not all individuals with BAV will experience symptoms, and the severity and timing of symptoms can vary depending on the degree of valve dysfunction and the presence of other heart conditions. In some cases, BAV may not be diagnosed until later in life when complications arise, highlighting the importance of regular medical checkups and monitoring for those with known or suspected congenital heart defects.
Is a bicuspid aortic valve genetic?
Yes, a bicuspid aortic valve (BAV) is thought to have a genetic component. While the exact genetic mechanisms that cause BAV are not fully understood, studies have shown that BAV tends to run in families and that certain genetic mutations or variations may be associated with an increased risk of developing the condition.
BAV's pattern of inheritance is complicated, though, and it could be brought on by a mix of genetic and environmental factors. If you have a family history of BAV or other congenital heart defects, you may be at an increased risk of developing the condition and should talk to your healthcare provider about screening and monitoring options.
What are the Risk Factors of Bicuspid Aortic Valve?
As a congenital cardiac defect, the bicuspid aortic valve (BAV) is present from birth. There are various known risk factors that may raise the likelihood of acquiring BAV even though the actual cause is not entirely understood.
Some of the potential risk factors for BAV include;
- Family history of BAV or other congenital heart defects
- Genetic mutations or variations that affect the development of the aortic valve
- Maternal conditions such as diabetes or hypertension during pregnancy
- Exposure to certain medications or chemicals during pregnancy
- Advanced maternal age
- Other congenital heart defects or syndrome
How can you prevent Bicuspid Aortic Valve?
Unfortunately, there is currently no known way to prevent the development of bicuspid aortic valve (BAV) since it is a congenital heart defect that is present at birth. However, there are steps that can be taken to manage the condition and reduce the risk of complications.
Some of the ways to manage BAV and reduce the risk of complications include;
- Regular monitoring by a healthcare professional to detect and manage any potential issues
- Keeping cholesterol and blood pressure under control will ease the strain on the heart and blood vessels
- Avoiding smoking and other tobacco use
- Keeping a healthy weight and staying active
- Taking medications as prescribed to manage symptoms or complications
In some cases, surgical interventions may be necessary to repair or replace the affected valve or to manage related complications.
Bicuspid Aortic Valve - Diagnosis and Tests
Bicuspid aortic valve (BAV) can be diagnosed through a variety of tests and imaging studies. Some of the most common diagnostic tests for BAV include;
Physical Examination
During a physical exam, a healthcare provider may listen to the heart and lungs, check for signs of fluid buildup in the legs or abdomen, and look for other physical signs that may suggest a heart or vascular issue.
Echocardiogram
A noninvasive examination called an echocardiography uses sound waves to produce pictures of the heart and blood arteries. This test can be used to detect BAV, assess the function of the aortic valve, and monitor for any associated complications.
Electrocardiogram (ECG)
A test to gauge the electrical activity of the heart is known as an electrocardiogram. This test can be used to detect abnormal heart rhythms or other signs of heart or vascular issues.
Cardiac MRI
An imaging procedure called a cardiac MRI employs magnetic fields and radio waves to provide precise images of the heart and blood arteries.
This test can be used to assess the structure and function of the heart, detect BAV, and monitor for associated complications.
Cardiac CT Scan
An imaging procedure called a cardiac CT scan employs X-rays to produce finely detailed pictures of the heart and blood arteries. This test can be used to detect BAV, assess the function of the aortic valve, and monitor for any associated complications
What are possible complications of Bicuspid Aortic Valve?
Bicuspid aortic valve (BAV) can lead to several complications, especially if left untreated or undetected. Some of the possible complications of BAV include;
- Aortic valve stenosis (narrowing of the valve opening)
- Aortic valve regurgitation (leaking of blood back into the heart)
- Coronary aneurysm (enlargement or bulging of the aorta)
- Aortic dissection (tearing of the aortic wall)
- Endocarditis (infection of the heart lining or valves)
- Unexpected cardiac arrest (abrupt loss of heart function)
- Sudden cardiac arrest (abrupt loss of heart function)
Home Remedies for Bicuspid Aortic Valve
It's important to note that bicuspid aortic valve (BAV) is a congenital heart condition that cannot be cured by home remedies. To control the illness and lower the risk of problems, there are several lifestyle adjustments and self-care techniques that may be helpful. These may include;
Eating a heart-healthy diet
Lean protein, healthy fats, and a diet high in fruits, vegetables, whole grains, and other plant-based foods can help control blood pressure, cholesterol levels, and heart stress.
Getting regular exercise
Frequent exercise can assist to strengthen the heart and enhance cardiovascular health in general. But, before beginning any new workout regimen, it's crucial to speak with a healthcare professional.
Quitting smoking
Heart disease and other health issues are made more likely by smoking. This risk can be decreased by giving up smoking and avoiding secondhand smoke.
Managing stress
Stress can negatively impact on heart health. Deep breathing, meditation, and yoga are a few methods that might help you manage stress and enhance your overall well being.Following a healthcare provider's recommendations for monitoring and management
To treat the condition and lower the risk of problems, regular check-ups with a healthcare practitioner, keeping track of cholesterol and blood pressure levels, and taking any recommended drugs or procedures as directed can all help.
What to eat in Bicuspid Aortic Valve?
For people with bicuspid aortic valve, a heart-healthy diet is advised to control the condition and lower the risk of consequences. Eating a variety of fruits and vegetables, whole grains, lean protein, and healthy fats are some general recommendations for a heart-healthy diet. Here are some specific foods that may be beneficial;
- Berries
- Citrus fruits
- Leafy greens
- Carrots
- Sweet potatoes
- Bell peppers
- Oats
- Brown rice
- Quinoa
- Whole grain bread or pasta
- Skinless chicken or turkey
- Fish
- Beans
- Lentils
- Tofu
- Salmon or tuna
- Skim milk
- Low-fat yogurt
- Reduced-fat cheese
What not to eat in Bicuspid Aortic Valve?
Individuals with bicuspid aortic valve should limit or avoid certain foods to reduce the risk of complications. Here are some examples of foods to limit or avoid;
- High-sodium foods like processed foods, canned food items, and salty snacks
- Fatty cuts of meat
- Butter
- Full-fat dairy products
- Fried foods
- Sugar-sweetened beverages like, soda and sports drinks
- Alcohol
Bicuspid Aortic Valve Treatments
Treatment for bicuspid aortic valve depends on the severity of the condition and the presence of symptoms.More severe cases can need surgery or medication, while milder ones might not need any treatment at all. Here are some possible treatments for bicuspid aortic valve;Medications
In addition to managing symptoms like high blood pressure or chest pain, medications can also lower the likelihood of problems. Examples include;
- Beta blockers
- ACE inhibitors
- Statins
- Surgery
Surgery may be necessary if the aortic valve becomes severely narrowed or regurgitant, or if an aneurysm develops in the aorta. There are several surgical options, including;
- Valve repair
- Valve replacement
- Aortic aneurysm repair
- Regular monitoring
Individuals with bicuspid aortic valve may require regular monitoring to check for changes in the condition or the development of complications. This may include;
- Regular echocardiograms
- CT scans
- MRIs
Which doctor to consult for Bicuspid Aortic Valve?
A cardiologist, who is a medical professional with particular expertise in the diagnosis and treatment of heart diseases, should be consulted by anyone with a bicuspid aortic valve.
Depending on the severity of the condition and the presence of complications, they may also need to see other specialists, such as a cardiac surgeon or a vascular surgeon. It's crucial to collaborate with a healthcare team to create a customized treatment plan that takes into account each patient's needs and preferences.
Which are the best medicines for Bicuspid Aortic Valve?
The best medicines for bicuspid aortic valve depend on individual needs and symptoms, as well as the presence of any other health conditions. There are several types of medications that may be used to manage symptoms and reduce the risk of complications. Here are some examples;
Beta blockers
Beta blockers can help reduce blood pressure and the workload on the heart, and may also help relieve chest pain. Examples include;
ACE inhibitors
ACE inhibitors can help relax blood vessels and reduce blood pressure. They may also help prevent the progression of heart failure. Examples include;
- Lisinopril
- Enalapril
- Statins
Statins can help lower cholesterol levels and reduce the risk of atherosclerosis. Examples include;
- Atorvastatin
- Simvastatin
How long does it take to recover from Bicuspid Aortic Valve?
The recovery time for bicuspid aortic valve depends on the individual and the specific treatment received. For example;
If an individual undergoes aortic valve replacement surgery, they may need to stay in the hospital for 5 to 7 days and take 6 to 12 weeks off work or other activities to fully recoverRecovery from minimally invasive valve replacement surgery may be faster, with individuals able to return to normal activities within a few weeks
If an individual receives medication therapy for bicuspid aortic valve, they may not require any recovery time.
Are the results of the treatment permanent?
Depending on the particular treatment employed, the patient's general health, and other considerations, the outcomes of the treatment for bicuspid aortic valve can differ. For example;
- Valve replacement surgery can provide long-lasting or permanent relief of symptoms and complications
- Medication therapy can help manage symptoms and reduce the risk of complications, but the effects may not be permanent and ongoing monitoring is often required
- Lifestyle changes, such as diet and exercise, can also help manage symptoms and reduce the risk of complications, but ongoing commitment to these changes is often required.
Who is eligible for the treatment?
The eligibility for treatment for bicuspid aortic valve depends on various factors, including the individual's overall health, the severity of the valve condition, the presence of other health conditions, and the individual's preferences.
Treatment may be recommended for individuals who experience symptoms or complications related to bicuspid aortic valve, or for those who have a high risk of developing such symptoms or complications. The specific treatment options and eligibility for each individual should be determined by a healthcare provider.
Who is not eligible for the treatment?
While many individuals with bicuspid aortic valve can benefit from treatment, there may be certain cases in which treatment is not recommended or may not be appropriate. This may include individuals who have a low risk of developing complications related to the condition, or those who have other health conditions that make treatment too risky or unlikely to be effective.
Additionally, individuals who are not able or willing to follow through with the recommended treatment plan may not be eligible for certain treatments. The decision on treatment eligibility should be made on an individual basis with the guidance of a healthcare provider.
What are the post-treatment guidelines?
The post-treatment guidelines for bicuspid aortic valve can vary depending on the specific treatment received and the individual's overall health.
However, in general, some post-treatment guidelines that may be recommended by healthcare providers include;
- Following all instructions and medications as prescribed by the healthcare provider
- Attending all recommended follow-up appointments for monitoring and evaluation
- Making any recommended lifestyle changes, such as diet and exercise modifications
- Taking precautions to reduce the risk of infection, such as good hygiene practices and avoiding crowds during flu season
- Monitoring for any new or worsening symptoms and contacting the healthcare provider if any concerns arise
What is the price of Bicuspid Aortic Valve treatments in India?
The price of Bicuspid Aortic Valve (BAV) treatments in India may range from approximately Rs. 70,000 to Rs. 8.5 lakh. However, the price of BAV treatment in India can also vary depending on a number of factors, such as the specific treatment required, the hospital or medical center providing the treatment, and the individual's overall health and medical history.
It's important to note that this is a rough estimate and the actual cost may be higher or lower depending on various factors, and it's recommended to consult with a healthcare provider or hospital to get a more accurate estimate of the costs involved.
What are side-effects of Bicuspid Aortic Valve treatments?
The potential side-effects of Bicuspid Aortic Valve (BAV) treatments can vary depending on the specific treatment received and the individual's overall health. Some treatments may have more side-effects than others, and some individuals may experience side-effects more severely than others.
Nonetheless, there are some potential side-effects of BAV therapies, such as;
Bicuspid Aortic Valve - Outlook / Prognosis
The long-term outlook for individuals with Bicuspid Aortic Valve (BAV) can vary depending on a number of factors, such as the severity of the condition, the individual's overall health, and the effectiveness of any treatments received. With proper medical care and management, many people with BAV are able to live full and healthy lives, while others may experience more significant complications or require ongoing treatment.
The management of any symptoms or potential problems requires close collaboration between BAV patients and their healthcare professionals.
References
- Bicuspid aortic valve- Medline Plus, NIH, U.S. National Library of Medicine [Internet]. medlineplus.gov 2019 [Cited 18 July 2019]. Available from:
- Ward C. Clinical significance of the bicuspid aortic valve. Heart. 2000 Jan 1;83(1):81-5. [Cited 18 July 2019]. Available from:
- Bicuspid aortic valve - Congenital heart disease in adults- Mayo Clinic [Internet]. mayoclinic.org 2018 [Cited 18 July 2019]. Available from:
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