Aortic valve surgery - open


Definition

Aortic valve surgery is done to replace the aortic valve in your heart.

Blood flows out of your heart and into the aorta through a valve. This valve is called the aortic valve. It opens up so blood can flow out. It then closes, keeping blood from flowing backwards.

  • An aortic valve that does not close all the way allows blood to leak back into your heart. This is called aortic regurgitation.
  • An aortic valve that does not open fully will restrict blood flow. This is called aortic stenosis.

In open surgery, the surgeon makes a large cut in your breastbone to reach the heart and aorta.

See also: Aortic valve surgery - minimally invasive


Alternative Names

Aortic valve replacement; Aortic valvuloplasty; Aortic valve repair; Replacement - aortic valve


Description

Before your surgery you will receive general anesthesia. This will make you unconscious and unable to feel pain.

  • Your surgeon will make a 10-inch-long cut in the middle of your chest.
  • Next, your surgeon will separate your breastbone to be able to see your heart and aorta (the main blood vessel leading from your heart to the rest of your body).
  • Most people are connected to a heart-lung bypass machine or bypass pump. Your heart is stopped while you are connected to this machine. This machine does the work of your heart while your heart is stopped.

If your aortic valve is too damaged, you will need a new valve. This is called replacement surgery. Your surgeon will remove your aortic valve and sew a new one into place. There are two main types of new valves:

  • Mechanical -- made of man-made materials, such as titanium or ceramic. These valves last the longest, but you will need to take blood-thinning medicine, such as warfarin (Coumadin) or aspirin, for the rest of your life.
  • Biological -- made of human or animal tissue. These valves last 10 to 12 years, but you may not need to take blood thinners for life.

Once the new valve is working, your surgeon will:

  • Close your heart and take you off the heart-lung machine.
  • Place catheters (tubes) around your heart to drain fluids that build up.
  • Close your breastbone with stainless steel wires. It will take about 6 weeks for the bone to heal. The wires will stay inside your body.

This surgery may take 2 to 5 hours.

Sometimes other procedures are done during open aortic surgery. These include:

  • David procedure
  • Graft of the first part of the aorta (large blood vessel leaving the heart)
  • Ross (or switch) procedure

Why the Procedure Is Performed

You may need surgery if your aortic valve does not work properly. You may need open-heart valve surgery for these reasons:

  • Changes in your aortic valve are causing major heart symptoms, such as chest pain (angina), shortness of breath, fainting spells (syncope), or heart failure.
  • Tests show that changes in your aortic valve are beginning to seriously harm how well your heart works.
  • Your heart valve has been damaged by infection of the heart valve ( endocarditis).
  • You have received a new heart valve in the past and it is not working well, or you have other problems such as blood clots, infection, or bleeding.

References

Fullerton DA, Harken AH. Acquired heart disease: valvular. In: Townsend CM, Beauchamp RD, Evers BM, Mattox KL, eds. Sabiston Textbook of Surgery. 18th ed. Philadelphia, Pa: Saunders Elsevier; 2008:chap 62.

Chiam PTL, Ruiz CE. Percutaneous transcatheter aortic valve implantation: Evolution of the technology. American Heart Journal. Feb 2009;157(2).

Otoo CM, Bonow RO. Valvular heart disease. In: Libby P, Bonow RO, Mann DL, Zipes DP, eds. Braunwald's Heart Disease: A Textbook of Cardiovascular Medicine. 8th ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 62.


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Review Date: 1/26/2011
Reviewed By: Shabir Bhimji, MD, PhD, Specializing in General Surgery, Cardiothoracic and Vascular Surgery, Midland, TX. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. Copyright 2004 A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.

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Last Updated 5/16/2011
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