Understanding the nature, risk factors, and treatment options of an aortic aneurysm is essential to preventing serious complications and maintaining heart health.

What is an aortic aneurysm?

Aortic aneurysm is a condition in which the wall of the aorta, the main blood vessel that carries oxygen-rich blood from the heart to the rest of the body, weakens and expands, forming a bulge or aneurysm. The aorta is the most important blood vessel in the body, and if its wall weakens, it is at risk of rupturing, causing a life-threatening condition known as aortic rupture.

Types of aortic aneurysm

Aortic aneurysms are classified by location and possible causes:

Abdominal Aortic Aneurysm (AAA):

• Located in the part of the aorta that passes through the abdomen.
• The most common type of aneurysm.
• Usually associated with atherosclerosis (blood vessel damage).

Thoracic Aortic Aneurysm (TAA):

• Located in the aorta in the chest area.
• Less common than abdominal aneurysm.
• May be associated with congenital conditions such as Marfan syndrome or Ehlers-Danlos syndrome.

Aortic dissection:

• The wall of the aorta splits in two, creating channels through which blood flows, causing a dangerous and life-threatening condition.
• The most severe type of aneurysm that requires immediate medical intervention.

Early detection and regular monitoring of an aortic aneurysm is essential to prevent complications and protect health.

Symptoms of an aortic aneurysm

Aortic aneurysms can be asymptomatic, especially in the early stages. However, when an aneurysm expands or ruptures, several symptoms may appear:

Most common symptoms

• A stabbing pain in the chest or abdomen: often the pain can radiate to the back or side.
• Feeling of bloating: in the abdomen or chest.
• Lowering blood flow: pain that occurs when strenuous physical activity is performed.
• Open wounds or injuries: if the aneurysm is caused by trauma.

More severe symptoms (Aortic distention)

• Rapid, intense pain: sharp, burning or throbbing pain that appears suddenly in the chest, abdomen or back and may spread to other parts of the body.
• Chills and dizziness: severe shortness of breath, irregular heartbeat, chills, and dizziness, which indicate reduced blood flow in the body.
• Low blood pressure: a sudden drop in blood pressure that can lead to a life-threatening shock state.
• Swelling of veins in the neck: Swelling of the jugular veins, which occurs due to low blood pressure and increased load on the heart, indicates serious circulatory disorders.

Aortic rupture requires immediate medical intervention because symptoms progress quickly and can lead to serious consequences.

When to seek medical help

If you experience intense pain in your chest or abdomen, especially if it radiates to your back or side, seek medical attention immediately. Aortic dissection is a life-threatening condition that requires immediate surgery or medical intervention.

Risk factors for aortic aneurysm

Various factors can increase the risk of an aortic aneurysm. Understanding these risk factors can help prevent this condition and encourage early diagnosis.

Main risk factors

• Age: Aortic aneurysms usually occur in adults, especially after the age of 60.
• Men: men are more at risk of aortic aneurysm than women.
• Atherosclerosis: vascular damage and atherosclerosis increase the lack of strength and elasticity of the aortic wall.
• Smoking: smoking increases the risk of aortic aneurysm by damaging blood vessels and contributing to the development of atherosclerosis.
• Family history: family members with a history of aortic aneurysm have an increased risk of developing the disease.
• Aortic valve diseases: damage or inflammation of the aortic valves can increase the risk of aortic aneurysm.
• Health conditions: autoimmune diseases, Marfan syndrome, Ehlers-Danlos syndrome, and other genetic disorders increase the risk of developing an aortic aneurysm.
• Hypertension (high blood pressure): a persistent increase in blood pressure can damage the aortic wall and contribute to the formation of an aneurysm.

Additional risk factors

• Chronic kidney diseases: kidney failure may increase the risk of aortic aneurysm.
• Health conditions with low cholesterol: in some cases may be associated with the development of an aortic aneurysm.
• Long-term alcohol use: can increase blood pressure and contribute to the risk of cardiovascular disease.

Diagnostic methods for aortic aneurysm

Accurate diagnosis is essential to determine the presence and extent of an aortic aneurysm and to choose the most appropriate treatment plan. The diagnostic process includes taking a medical history, physical examination, and several laboratory and imaging tests.

Medical history and physical examination

Medical history:

• Questions about the nature, duration, and triggers of symptoms.
• Information about family medical history related to heart disease or aneurysms.
• Lifestyle factors such as smoking, alcohol consumption and level of physical activity.

Physical examination:

• Listening to the heartbeat: the doctor may hear a heart valve murmur or other noises that may indicate an aneurysm.
• Blood pressure measurement: blood pressure is assessed, looking for signs of high or low blood pressure.
• Abdominal examination: Examination of the approximate size and shape of the abdomen to assess fat distribution and signs of potential aneurysms.

Diagnostic tests

• Ultrasonography: abdominal ultrasonography (AAA), a very effective method for detecting abdominal aortic aneurysm. Non-invasive and safe, without side effects.
• Computed Tomography (CT): Contrast-enhanced CT provides detailed images of the structure of the aorta and the extent of the aneurysm. Other cardiovascular lesions may also be detected.
• Magnetic resonance imaging (MRI): provides high quality images without the effects of radiation. Used to assess aortic structure and aneurysm size.
• Angiography: an invasive procedure in which a contrast agent is injected into the aorta to visualize its structure in detail. It is usually performed when surgical intervention is necessary.
• Echocardiography: transesophageal echocardiography (TEE), a more detailed type of echocardiography that helps determine the extent of the aneurysm and possible damage to the aortic valves.
• Blood tests: measures certain blood parameters that may indicate damage or infection associated with an aortic aneurysm.

How to treat an aortic aneurysm?

The goal of treatment is to prevent the aneurysm from growing larger and reduce the risk of flushing. Treatment options depend on the size and location of the aneurysm, the patient's overall health, and the potential risk of complications.

Surgical intervention

Aneurysm removal or treatment:

• Depending on the size and location of the aneurysm, surgeons may remove the aneurysm or perform medical procedures to strengthen the aortic wall.
• Removal of abdominal aortic aneurysms: usually done if the aneurysm is larger than 5.5 cm or growing rapidly.
• Thoracaval aortic aneurysms: requires an individual approach, taking into account the specific location and the patient's state of health.

Endovascular aneurysm treatment (EVAR):

• A minimally invasive procedure in which a stent-graft is placed through the blood vessels to strengthen the aortic wall and prevent fluid build-up.

Rehabilitation and lifestyle adjustment

• Rehabilitation programs: helps the patient's recovery process by improving physical capacity and reducing the risk of cardiovascular diseases.
• Lifestyle changes: A healthy diet, regular exercise and smoking cessation are essential to prevent aneurysm recurrence and improve overall health.

Lifestyle adjustments after aortic aneurysm treatment

After aortic aneurysm treatment, it is important to make some lifestyle changes to improve your chances of recovery and reduce the risk of future complications.

Healthy diet

• Balanced diet: include plenty of fruits, vegetables, whole grains, lean meats, and sources of healthy fats (such as fish, nuts) in your diet.
• Reduce your salt intake: limit salt intake to lower blood pressure.
• Avoid trans fats and saturated fats: reduce saturated fat intake to improve cholesterol levels and reduce the risk of atherosclerosis.
• Increase your fiber intake: fiber helps control blood glucose levels and lowers triglycerides.

Regular physical activities

• Aerobic activities: do regular aerobic activities such as walking, cycling or swimming to improve circulation and reduce the risk of heart disease.
• Strength training: do muscle strengthening exercises to improve muscle strength and reduce body fat percentage.
• Avoid strenuous physical activity: it is especially important to avoid heavy physical exertion, which can put pressure on the aortic wall.

Weight management

• Reduce body weight: if you are obese, reduce your body weight by 5-10% to reduce the risk of cardiovascular disease.
• Increase body movement: increase physical activity to improve body composition and metabolic function.

Smoking cessation and limiting alcohol consumption

• Smoking:  avoid smoking or use smoking cessation programs to improve cardiovascular health.
• Alcohol consumption: limit alcohol consumption to lower blood pressure and triglyceride levels.

Stress control

• Relaxation techniques: use meditation, yoga, breathing exercises, and other relaxation techniques to reduce stress levels and improve overall health.
• Emotional support: talking to family, friends or psychologists can help manage emotional stress and improve quality of life.

Complications of aortic aneurysm

Without proper treatment, an aortic aneurysm can lead to serious complications that can affect heart function and overall health.

Aortic dissection

Definition: Aortic rupture is a condition in which the wall of the aorta tears or stratifies, creating a gap in which blood collects. This can cause fluid to build up around the heart, compromising its function and causing a life-threatening condition called cardiac tamponade.

Symptoms:

• Intense chest or back pain.
• Rapid heartbeat and low blood pressure.
• Dizziness and shortness of breath.
• Swelling of neck veins.

Treatment: urgent surgery or medical intervention is required to prevent cardiac tamponade and stabilize circulation.

Aortic heart failure

Definition: Aortic aneurysm can reduce the heart's ability to pump blood effectively, causing disturbances in heart function and contributing to the development of heart failure.

Symptoms:

• Shortness of breath, especially during physical exertion.
• Chronic fatigue and weakness.
• Swelling in the legs or abdomen.

Aortic valve damage

Definition: Aortic aneurysm can cause damage to the aortic valves, causing a disruption in blood flow that affects the heart's ability to pump blood effectively.

Symptoms:

• Chest pain.
• Shortness of breath.
• Irregular heartbeat.

Treatment: usually requires surgery or aortic valve replacement to restore normal blood flow and improve heart function.

Blood clot formation

Definition: Aortic aneurysm can lead to the formation of blood clots or thrombus. These clots can spread through blood vessels and cause emboli, blocking blood flow to various organs.

Risks: Clot formation poses serious health risks, including:

• Insults: When a blood clot blocks blood flow to the brain, it can cause brain damage and serious neurological problems.
• Pulmonary embolism: A blood clot blocks blood flow to the lungs, which can be a life-threatening condition, causing breathing difficulties and reduced oxygen supply to the body.
• Peripheral arterial embolism: A blood clot can block blood flow to the extremities, causing tissue damage, pain, and potentially gangrene.

Cardiac tamponade

Definition: cardiac tamponade is a life-threatening condition in which fluid builds up in the pericardial cavity (the lining of the heart), compressing the heart and interfering with its ability to pump blood effectively.

Symptoms:

• Low blood pressure, weakness and dizziness.
• Rapid heartbeat and shortness of breath.
• Swelling of the jugular veins, which indicates increased pressure in the lining of the heart.

Treatment: need urgent pericardiocentesis, a procedure in which fluid is removed from the pericardial cavity with a needle to reduce pressure on the heart and relieve symptoms.

Conclusion

Aortic aneurysms is a serious damage to a blood vessel in the heart that can lead to life-threatening complications if not treated promptly and correctly. Understanding aortic aneurysm symptoms, risk factors, and treatment options is essential to preventing complications and maintaining heart health.

Regular medical checkups are important, especially if there are risk factors such as age, male sex, smoking, or a family history of aortic aneurysm. Early diagnosis and treatment can significantly reduce the risk of complications and improve quality of life.

Additional resources

• Latvian Association of Cardiologists: heart disease information, specialist contacts and patient education materials.
• Latvian Association of Heart Diseases: Information on cardiovascular disease, prevention and treatment.
• Ministry of Health of Latvia: Information on health prevention and disease prevention.
• Latvian Association of Rheumatologists: Information about autoimmune diseases and their treatment.