How is Aortocaval compression prevented?

Aortocaval compression can be avoided by lying in the full left lateral position. Unfortunately, it is not practical to carry out obstetric procedures in this position, so it is usual to modify the supine position by tilting the mother towards her left side.

How do you relieve Aortocaval compression?

Pregnant patient in cardiac arrest should receive high quality CPR with Manual Uterine Displacement (MUD) to relieve aortocaval compression. Relief of aortocaval compression must be maintained continuously during resuscitative efforts and continued if ROSC is achieved.

What is Aortocaval compression?

Aortocaval compression (ACC) occurs when the gravid uterus compresses the maternal abdominal aorta and inferior vena cava (IVC). Compression of the IVC impedes venous return which decreases cardiac output (CO), and compression of the aorta may reduce uteroplacental perfusion which may result in fetal acidosis. 1–3.

When does Aortocaval compression happen?

Aortocaval compression syndrome is also known as a supine hypotensive syndrome. It typically occurs in pregnant females, usually after 20 weeks of gestation, when the patient is in the supine position.

What is the supine hypotensive syndrome how can it be prevented?

You can prevent supine hypotension and the problems it causes by not lying flat on your back, especially after the fifth month. Try using pillows or a wedge to sleep tilted toward or on your left side and avoid exercising on your back.

What is the treatment for supine hypotensive syndrome?

Medical management of supine hypotensive syndrome can include turning the patient to the left recumbent position (so the uterus is not sitting on the IVC) and administering IV fluids.

What is the Aortocaval region?

Aortocaval compression syndrome. Specialty. OB/GYN. Aortocaval compression syndrome is compression of the abdominal aorta and inferior vena cava by the gravid uterus when a pregnant woman lies on her back, i.e. in the supine position.

Is supine hypotensive syndrome common?

However, up to 15% of women at term can demonstrate supine hypotensive syndrome of pregnancy, defined as a decrease in systolic blood pressure of at least 15–30 mmHg.

How do you prevent supine hypertension?

Prevention of supine hypertension: Patients should aim to avoid known stressors, perform physical maneuvers (eg, slowly getting up from bed, sleeping with head of bed elevated), manage underlying related conditions (eg, diabetes mellitus), and exercise.

Why should a pregnant mother avoid the supine position?

During late pregnancy, the gravid uterus compresses the inferior vena cava (IVC) when a woman lies in the supine position. The azygos system of veins is the dominant pathway of collateral venous return back to the heart in the event of acute obstruction of the IVC.

What is the appropriate care for a patient with signs and symptoms of supine hypotensive syndrome?

What is an Aortocaval fistula?

Aortocaval fistula (ACF) is an unusual complication of ruptured abdominal aortic aneurysm (AAA), involving less than 3–6% of all ruptured cases. The clinical presentation is often obscure, depending on the coexistence of retroperitoneal rupture and hemodynamic instability.

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