Type of Surgery
Last updated: 11/24/2009
After stent surgery, the patient will spend several hours in the recovery room to be monitored for vital signs (temperature, heart rate, and breathing) and heart sounds. Pressure will be applied to the catheter insertion site in the groin...
to prevent bleeding; a weight may be applied to the leg to restrict movement. For the first 24 hours, the patient will have to lie flat and limit activities. Drinking fluids will be especially important to help flush out the dye that was used for x rays during the procedure. Stent recipients are usually placed on aspirin therapy or anti-clotting (anticoagulant) medication immediately after surgery. They will remain on it indefinitely to prevent clots from occurring in the stent. There are no other postoperative precautions, although dietary and lifestyle changes may be recommended to reduce such risk factors as high cholesterol and smoking that could lead to new blockages from ongoing buildup of plaque in the body's blood vessels. Patients are advised not to have magnetic resonance imaging (MRI) procedures after the surgery because of the effect of magnetism on the metal stents. Stents are not affected by metal detectors.
This narrated animation describes the steps involved in a coronary angiography, coronary angioplasty, and stent deployment in the coronary artery.
Endovascular stent surgery is a minimally invasive surgical procedure that uses advanced technology and instrumentation to treat such disorders of the circulatory system as blockage or damage to blood vessels caused by the build up of plaque (fatty deposits, calcium deposits, and scar tissue) in the arteries, a condition called atherosclerosis (hardening of the arteries). The surgeon may recommend the placement of an endovascular stent, a small wire-mesh tube that surgeons call a scaffold, in an affected artery. The procedure may be done in conjunction with cleaning or repairing the artery. The twofold procedure opens, enlarges, and supports artery walls for a long-lasting improvement in blood flow and a decrease in the risk of heart attack or stroke. In endovascular stent surgery (endo, within, and vascular, blood vessel), all of the work done by the surgeon is within the blood vessels themselves. Nearly all of the medium-sized and large blood vessels in the body's vascular system can be accessed from within the vessels. This fact has contributed to a rapid increase in the performance of endovascular stent surgery.
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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