Type of Surgery
Information
Last updated: 11/24/2009
The patient will have continuous cardiac monitoring performed in the intensive care unit (ICU) postoperatively. Medications or mechanical circulatory assist may be instituted during the surgery or postoperatively to help the heart provide the...
necessary cardiac output to sustain the pulmonary and systemic circulations. These will be discontinued as cardiac function improves. As the patient is able to breathe without assistance, ventilatory support will be discontinued. Drainage tubes allow blood to be collected from the chest cavity during healing and are removed as blood flow decreases. Prophylaxis antibiotics are given. Anticoagulation (warfarin, aspirin, or a combination) therapy is instituted and continued for patients who have received a mechanical valve. The ICU stay is approximately three days with a final hospital discharge occurring within a week after the procedure.
The patient receive wound care instructions prior to leaving the hospital. The instructions include how to recognize such adverse conditions as infection or valve malfunction, contact information for the surgeon, and guidelines on when to return to the emergency room.
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Tiny electric currents flow through the heart muscle and cause them to contract, squeezing blood throughout the body. This animation shows the electrical system of the heart and how it is driven by a small patch of tissue called the cardiac pacemaker or sinoatrial node.
The heart is accessed through a chest incision (A). The patient's heart function is replaced by the heart-lung machine. The aorta is cut open to reveal a diseased aortic valve (B), which is then removed. A valve sizer is placed in the opening to determine the size of prosthesis needed (C). A prosthetic valve is sutured in place (D and E). (Illustration by Argosy.)
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Other Information
Aortic valve replacement is a cardiac surgery procedure in which a patient's aortic valve is replaced by a different valve. The aortic valve can be affected by a range of diseases; the valve can either become leaky (aortic insufficiency / regurgitation) or partially blocked (aortic stenosis). Aortic valve replacement currently requires open heart surgery.
Other Information
Traditional Coronary Artery Bypass Graft (CABG) surgery has undesirable side effects that range from cognitive loss to increased hospital stays that are believed to be related to artificial heart pumps. In this project, we believe that if the heart were able to beat freely during surgery, these pumps would not be needed and it is possible that these side effects might be lessened.
-M. Cenk Cavusoglu
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