
Prevention
What are the five largest branches of the abdominal aorta?
- Coeliac artery (T12)
- Superior mesenteric artery (L1)
- Inferior mesenteric artery (L3)
- Median Sacral artery.
- Middle adrenal arteries.
- Renal arteries (L1-L2)
- Gonadal arteries.
- Inferior phrenic arteries.
Symptoms
There are five arteries that branch off of the abdominal aorta:
- Celiac trunk supplies blood to the abdominal esophagus, stomach, liver, pancreas, gallbladder, and spleen
- Middle suprarenal arteries supply blood to the suprarenal glands that lie on top of the kidneys
- Superior mesenteric artery supplies blood to the small intestine
- Inferior mesenteric artery supply blood to the large intestine
Causes
The aorta is a large artery that transports oxygenated blood away from the heart and to the rest of the body. It is the largest vessel in the body, measuring more than 1 inch wide in some places.
Complications
Aorta. The aorta is a large, cane-shaped vessel that delivers oxygen-rich blood to your body. It starts in the lower-left part of the heart and passes through the chest and abdomen. Along the way, blood vessels branch off the aorta, extending to organs and supporting tissue. Appointments 800.659.7822.
What are the three major branches of the abdominal aorta?
What organ system does the abdominal aorta belong to?
What is an aorta and what does it do?
What does the aorta to the lower body do?

What happens when the abdominal aorta is blocked?
Symptoms of Abdominal Aortic Branch Occlusion. Sudden blockage shuts off blood flow, which causes immediate, severe pain. Pain may be in the abdomen, back, or legs, depending on which artery is blocked. Organ failure and tissue death (necrosis) occur within hours unless blood flow is restored.
What are the symptoms of aorta problems?
Signs and symptoms that a thoracic aortic aneurysm has ruptured or dissected include:Sharp, sudden pain in the upper back that spreads downward.Pain in the chest, jaw, neck or arms.Difficulty breathing.Low blood pressure.Loss of consciousness.Shortness of breath.Trouble swallowing.
What are symptoms of abdominal aorta?
If an AAA bursts, it can cause:sudden, severe pain in the tummy or lower back.dizziness.sweaty, pale and clammy skin.a fast heartbeat.shortness of breath.fainting or passing out.
What is the most common symptom in a client with abdominal aortic aneurysm?
Pain is the most common symptom of an abdominal aortic aneurysm. The pain associated with an abdominal aortic aneurysm may be located in the abdomen, chest, lower back, or groin area. The pain may be severe or dull. Sudden, severe pain in the back or abdomen may mean the aneurysm is about to rupture.
Where do you feel aorta pain?
If your aortic aneurysm ruptures, you will feel a sudden and severe pain in the middle or side of your abdomen. In men, the pain can also radiate down into the scrotum. Other symptoms include: dizziness.
What is the most common abnormality of the aorta?
Left Aortic Arch with an Aberrant Right Subclavian Artery. An ARSA originating from normal left sided aortic arch is the most common aortic arch anomaly, with an incidence of 0.5-2% (5).
What is the most common cause of abdominal aortic?
Smoking is the most common cause of an abdominal aortic aneurysm as well as many other health problems. Exercising daily can also be beneficial, as can lifestyle changes that help lower your blood pressure. If you are at risk, don't put off talking to a doctor about steps you can take to protect your health.
What is the survival rate for abdominal aortic?
The mortality rate associated with the elective treatment of non-ruptured abdominal aortic aneurysm (nAAA) has decreased in recent years. Nonetheless, 85% of patients with ruptured AAA (rAAA) die and 66% of these deaths occur before reaching the hospital or without undergoing an operation [1].
How do you treat abdominal aorta?
Abdominal aortic aneurysm surgery options may include:Endovascular repair. This procedure is used most often to repair an abdominal aortic aneurysm. ... Open abdominal surgery. This involves removing the damaged part of the aorta and replacing it with a graft, which is sewn into place.
How long can you live with an abdominal aortic aneurysm?
Patients with AAAs larger than 7.0 cm lived a median of 9 months. A ruptured aneurysm was certified as a cause of death in 36% of the patients with an AAA of 5.5 to 5.9 cm, in 50% of the patients with an AAA of 6 to 7.0 cm, and 55% of the patients with an AAA larger than 7.0 cm.
Can an abdominal aortic aneurysm go away?
When abdominal aortic aneurysms are diagnosed early, treatment is safe and effective and the aneurysm is curable. Aneurysms are often detected while performing tests for entirely different reasons. Most patients have no symptoms, so if you are at risk, it is important to discuss AAA with your doctor.
What are the 3 most common causes of abdominal aneurysms?
CausesHardening of the arteries (atherosclerosis). Atherosclerosis occurs when fat and other substances build up on the lining of a blood vessel.High blood pressure. High blood pressure can damage and weaken the aorta's walls.Blood vessel diseases. ... Infection in the aorta. ... Trauma.
What does an inflamed aorta feel like?
Most symptoms of aortitis are associated with the underlying disease. They include back pain, abdominal pain and fever, along with headaches, weakness, weight loss, joint pain, chest pain, shortness of breath, fainting, visual disturbances, and others.
How do you check for an aorta?
How is arthritis diagnosed? Doctors usually diagnose arthritis using the patient's medical history, physical examination, X-rays, and blood tests. It is possible to have more than one form of arthritis at the same time.
What are the three major symptoms of aortic stenosis?
Aortic Stenosis SymptomsChest pain: You might feel tightness in your lungs and chest, especially with physical activity.Fatigue: You may feel extreme exhaustion during increased activity.Shortness of breath: You may have a hard time breathing deeply, especially after being active.More items...
What does a swollen aorta feel like?
Enlarged Aorta or Aortic Aneurysm Signs and Symptoms Pain in the chest or upper back. The pain may be deep, aching, gnawing, and/or throbbing, and may last for hours or days.
What is it called when the aorta bulges out?
The walls of the aorta can swell or bulge out like a small balloon if they become weak. This is called an abdominal aortic aneurysm (AAA) when it happens in the part of the aorta that’s in your abdomen. AAAs don’t always cause problems, but a ruptured aneurysm can be life-threatening.
How long does it take to recover from abdominal surgery?
If your doctor recommends open abdominal surgery, it may take up to six weeks to recover. Recovery from endovascular surgery only takes two weeks. The success of surgery and recovery greatly depends on whether or not the AAA is found before it ruptures. Prognosis is usually good if the AAA is found before it ruptures.
What is the procedure to remove an aneurysm?
Open abdominal surgery is used to remove damaged areas of your aorta. It’s the more invasive form of surgery and has a longer recovery time. Open abdominal surgery may be necessary if your aneurysm is very large or has already ruptured. Endovascular surgery is a less invasive form of surgery than open abdominal surgery.
What type of surgery is done to repair an aneurysm?
This may be done either with open abdominal surgery or endovascular surgery. The surgery performed will depend on your overall health and the type of aneurysm.
How wide is an AAA?
It involves using a graft to stabilize the weakened walls of your aorta. For a small AAA that’s less than 5.5 centimeters wide, your doctor may decide to monitor it regularly instead of performing surgery. Surgery has risks, and small aneurysms generally don’t rupture.
What is an AAA?
What is an abdominal aortic aneurysm (AAA)? The aorta is the largest blood vessel in the human body. It carries blood from your heart up to your head and arms and down to your abdomen, legs, and pelvis. The walls of the aorta can swell or bulge out like a small balloon if they become weak.
How do you know if you have an aneurysm?
If an AAA does rupture, you may experience one or more of the following symptoms: sudden pain in your abdomen or back. pain spreading from your abdomen or back to your pelvis, legs, or buttocks. clammy or sweaty skin.
Where does the abdominal aorta begin?
The abdominal aorta begins at the level of the diaphragm, crossing it via the aortic hiatus, technically behind the diaphragm, at the vertebral level of T12. It travels down the posterior wall of the abdomen, anterior to the vertebral column. It thus follows the curvature of the lumbar vertebrae, that is, convex anteriorly.
What are the branches of the abdominal aorta?
It begins at T12 and ends at L4 with its bifurcation into the common iliac arteries and usually has the following branches: Artery Branch. Vertebra.
What is the largest artery in the abdominal cavity?
The abdominal aorta is the largest artery in the abdominal cavity. As part of the aorta, it is a direct continuation of the descending aorta (of the thorax).
What is on the left side of the aorta?
On the left side are the left crus of the diaphragm, the left celiac ganglion, the ascending part of the duodenum, and some coils of the small intestine . A 3D illustration of the abdominal aorta at the iliac junction.
Which side of the aorta is the inferior vena cava?
Relationship with inferior vena cava. The abdominal aorta's venous counterpart, the inferior vena cava (IVC), travels parallel to it on its right side. Above the level of the umbilicus, the aorta is somewhat posterior to the IVC, sending the right renal artery travelling behind it.
Which artery divides into branches?
Right renal artery passes deep to the inferior vena cava to right kidney; here it divides into branches. Left renal artery passes deep to the left renal vein. Divides in hilum of kidney. Both arteries give inferior suprarenal arteries and ureteral branches.
Where is the peak of the lumbar aorta?
It thus follows the curvature of the lumbar vertebrae, that is, convex anteriorly. The peak of this convexity is at the level of the third lumbar vertebra (L3). It runs parallel to the inferior vena cava, which is located just to the right of the abdominal aorta, and becomes smaller in diameter as it gives off branches.
Why is the aorta important?
The aorta is essential for health because it is the main artery supplying oxygenated blood to the body. Every tissue and organ in the body needs oxygenated blood to stay alive.
Which part of the aorta travels down the body?
The aorta then arches downwards and to the left. This part is the aortic arch. From here, the aorta travels down the body. This last part is known by doctors as the descending aorta.
What causes a thoracic aortic aneurysm?
Thoracic aortic aneurysms occur in the chest, often as a result of high blood pressure or sudden injury. However, those with connective tissue disorders can also develop a thoracic aortic aneurysm. The symptoms include:
What is the largest vessel in the body?
The aorta is a large artery that transports oxygenated blood away from the heart and to the rest of the body. It is the largest vessel in the body, measuring more than 1 inch wide in some places.
What is the most serious condition that affects the aorta?
One of the most serious conditions that affects the aorta is an aortic aneurysm.
How to treat an aortic aneurysm?
Doctors may treat aortic aneurysms with medications, surgery, or both. Medications can help lower an individual’s blood pressure, reducing the risk of developing an aortic aneurysm.
How much does high blood pressure increase risk of an aortic aneurysm?
According to a 2019 meta-analysis, high blood pressure can increase someone’s risk of developing an aortic aneurysm by 66%. Because of this, it is important to keep blood pressure at a normal level.
Where is the aortic aneurysm located?
An abdominal aortic aneurysm is an enlarged area in the lower part of the major vessel that supplies blood to the body (aorta). The aorta runs from the heart through the center of the chest and abdomen.
What age do aortic aneurysms occur?
Age. Abdominal aortic aneurysms occur most often in people age 65 and older.
How do you know if your aortic aneurysm is ruptured?
Signs and symptoms that your aortic aneurysm has ruptured can include: Sudden, intense and persistent abdominal or back pain, which can be described as a tearing sensation. Low blood pressure. Fast pulse. Aortic aneurysms also put you at risk of developing blood clots in the area.
What is the largest blood vessel in the body?
The aorta is the largest blood vessel in the body, so a ruptured abdominal aortic aneurysm can cause life-threatening bleeding.
What happens if a blood clot breaks loose from the inside wall of an aneurysm?
If a blood clot breaks loose from the inside wall of an aneurysm and blocks a blood vessel elsewhere in your body, it can cause pain or block the blood flow to the legs, toes, kidneys or abdominal organs.
Where do aneurysms occur?
Aneurysms can develop anywhere along the aorta, but most aortic aneurysms occur in the part of the aorta that's in the belly area (abdomen). Several things can play a role in the development of an abdominal aortic aneurysm, including:
What is the term for hardening of the arteries?
Hardening of the arteries (atherosclerosis). Atherosclerosis occurs when fat and other substances build up on the lining of a blood vessel.
What is an abdominal aortic aneurysm?
It delivers oxygenated blood from the heart to the rest of the body. An aortic aneurysm is a bulging, weakened area in the wall of the aorta. Over time, the blood vessel balloons and is at risk for bursting (rupture) or separating (dissection). This can cause life threatening bleeding and potentially death.
What is an aneurysm in the aorta?
An aneurysm is a weak section of an artery wall. Pressure from inside the artery causes the weakened area to bulge out beyond the normal width of the blood vessel. An abdominal aortic aneurysm is an aneurysm in the lower part of the aorta, the large artery that runs through the torso.
What is aortic dissection?
An aortic dissection starts with a tear in the inner layer of the aortic wall of the thoracic aorta. The aortic wall is made up of 3 layers of tissue. When a tear occurs in the innermost layer of the aortic wall, blood is then channeled into the wall of the aorta separating the layers of tissues. This generates a weakening in the aortic wall with a potential for rupture. Aortic dissection can be a life-threatening emergency. The most commonly reported symptom of an aortic dissection is sudden, severe, constant chest or upper back pain, sometimes described as "ripping" or "tearing." The pain may move from one place to another.
How are aneurysms diagnosed?
Your doctor will do a complete medical history and physical exam. Other possible tests include:
How to repair an aneurysm in the groin?
Using X-ray guidance and specially-designed instruments, the surgeon can repair the aneurysm by inserting the stent or graft inside the aorta. The graft material may cover the stent. The stent helps hold the graft open and in place.
How to tell if an aortic aneurysm is ruptured?
Symptoms, when they do occur, include pain in the back or near the naval. An extremely sharp and severe pain may indicate rupture, requiring emergency medical treatment. Smaller, slow-growing aortic aneurysms may be treated with watchful waiting, lifestyle changes and medication.
What is the most common shape of an abdominal aneurysm?
Abdominal Aortic Aneurysm Shapes. The more common shape is fusiform, which balloons out on all sides of the aorta.
What is the aorta?
Aorta Anatomy. The aorta is the large artery that carries oxygen-rich blood from the left ventricle of the heart to other parts of the body. Thoracoabdominal Aorta (Descending and Abdominal Aorta) Cleveland Clinic is a non-profit academic medical center.
What is an aortic aneurysm?
Aortic Aneurysm. An aortic aneurysm is an abnormal enlargement or bulging of the wall of the aorta. An aneurysm can occur anywhere in the vascular tree. Once and aneurysm is diagnosed, treatment may be needed, depending on the size of the aneurysm. Ruptured aneurysms require emergency surgery to stop the bleeding.
Can aortic dissection cause a burst?
The layers then separate, interrupting the blood flow and possibly causing the arterial wall to burst. Aortic dissection can be a life-threatening emergency, in some situations requiring emergency surgery to repair or replace the damaged segment of the aorta.
Which side of the body is the aorta located?
For people that have dextrocardia (a condition where the heart is located on the right side of the body), the aorta is usually on the right side instead of on the left side. 3 The same applies to people who have a condition called situs invertus, where all the organs are on the opposite side of where they usually are—like a mirror image.
What is the descending aorta?
Descending aorta: This is the part of the aorta that travels downward from the aortic arch through the chest. It is also known as descending thoracic aorta or simply thoracic aorta.
What is the birth defect of the aorta?
There is a birth defect known as coarctation of the aorta, in which a part of the aorta is significantly narrower than it ordinarily should be. The narrowing is usually found right after the arteries that supply blood to the head and arms have arisen from the aorta. 4 This narrowing occurs when the baby's aorta doesn't form properly while it's in the womb and its effect is that it doesn’t let blood flow to the body properly. This variation causes high blood pressure and eventual heart damage if it’s not corrected.
What is the clinical significance of an aortic aneurysm?
There are several conditions with serious complications that center around or affect the aorta. Aortic aneurysm: An aortic aneurysm is a weakened point on the aorta. It occurs when the aorta is not able to contract and expand to accommodate the passage of blood properly.
What is the largest artery in the body?
The aorta is the largest artery in the body to which all other major arteries are connected. 1 It is a big tube-like structure, usually about 1 inch wide in diameter, although its size varies proportionally to the height and weight of the person.
How many parts are there in the aorta?
Four Parts of the Aorta. Ascending aorta. Aortic arch. Descending aorta. Abdominal aorta. The aorta is divided into four parts: 2 . Ascending aorta: This is the first part of the aorta and it is connected to the left ventricle of the heart (the part that pumps oxygenated blood to the body's tissues and organs).
Where does the ascending aorta start?
The ascending aorta starts at the aortic valve which closes and opens to stop and allow the flow of blood from the heart into the aorta. Aortic arch: This is the part of the aorta that curves upward toward the head and neck. It starts where the ascending aorta ends.
What is the enlarged area in the lower part of the aorta?
The enlarged area in the lower part of the aorta is an abdominal aortic aneurysm. An ultrasound image of an abdominal aortic aneurysm is shown in the upper right corner. Ultrasound imaging is often used to diagnose abdominal aortic aneurysms.
What is abdominal aneurysm?
An abdominal aortic aneurysm occurs when a lower portion of your body's main artery (aorta) becomes weakened and bulges. An abdominal ultrasound is done to view structures inside the abdomen. It's the preferred screening method for an abdominal aortic aneurysm, a weakened, bulging spot in the abdominal aorta — the major blood vessel ...
Why do doctors do abdominal ultrasounds?
Why it's done. An abdominal ultrasound can help your doctor see many organs in your abdomen. Your doctor may recommend this test if you have a problem in any of these body areas: An abdominal ultrasound can help your doctor evaluate the cause of stomach pain or bloating.
What are the organs that are seen in an ultrasound?
An abdominal ultrasound can help your doctor see many organs in your abdomen. Your doctor may recommend this test if you have a problem in any of these body areas: 1 Blood vessels in the abdomen 2 Gallbladder 3 Intestines 4 Kidneys 5 Liver 6 Pancreas 7 Spleen
What is the name of the device that performs abdominal ultrasound?
The technician applies a small amount of warm gel to your abdomen. The gel works with the ultrasound device, called a transducer , to provide better images.
How does a sonographer work?
The sonographer gently presses the transducer against your stomach area, moving it back and forth. The device sends signals to a computer, which creates images that show how blood flows through the structures in your abdomen.
What to do if you have no aneurysm?
Usually, if no aneurysm or other problems are found, your doctor won't recommend any additional screenings. If an aneurysm or another problem is found, together you and your doctor will decide on a treatment plan, which may involve additional screening, monitoring (watchful waiting) or surgery.

Overview
Symptoms
Causes
Risk Factors
Complications
In human anatomy, the abdominal aorta is the largest artery in the abdominal cavity. As part of the aorta, it is a direct continuation of the descending aorta (of the thorax).
Prevention