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Doctor insights on: Arterial Bypass

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Is coronary artery bypass surgery compatible with varicose veins?

Is coronary artery bypass surgery compatible with varicose veins?

Yes and No: Coronary artery bypass requires some form of conduit for bypass. Superficial veins from the lower limbs have been used for bypass. Smaller arteries from the underside of the chest wall have been used in favor of veins for the left side of the heart. Early enlarged varicose veins can still be used for bypass; however more advanced wall bulges and wall aneurysms Prohibit use of the varicosed veins. ...Read more

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Dr. Oscar Novick
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Artery (Definition)

Arteries are defined as blood vessels which carry blood away from the heart (to either the body or lungs). Arteries: higher pressure, thicker walls, stretch (pulse) with each heart contraction & deliver blood to the arterioles which control the flow to individual capillaries. Veins are blood vessels which carry blood from capillaries back to the heart (body to right heart; ...Read more


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How is coronary artery bypass graft performed?

How is coronary artery bypass graft performed?

Carefully: The distal end of the internal mammary artery is anastomosed to the coronary artery distal to the atheromatous plaque using 8-0 polypropilene and high power magnification. Radial artery or grater saphenous vein grafts are anastomosed to the ascending aorta and tho the coronary distal to the plaque. Obviously the thorax has to be entered and cardiopulmonary bypass may or not be used, . ...Read more

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Is adenosine preconditioning cardioprotective in coronary artery bypass surgery?

Is adenosine preconditioning cardioprotective in coronary artery bypass surgery?

Maybe: Experimental models (mice, chickens) have shown some benefit of Adenosine before and during cardiac surgery. However, clinical studies in actual patients have not shown as significant a benefit - similar to Adenosine treatment in patients with acute mi. ...Read more

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How is coronary artery bypass surgery conducted?

How is coronary artery bypass surgery conducted?

Step by step: Hello leenicole-- coronary artery bypass ad graft surgery is done in a strict step by step procedure involving first obtaining the bypass graft vessels -- which could be veins in the leg or arteries in the arms/chest -- then the sternum (chest bone) is split and forced open to access the heart in full view and the blocked vessel is bypassed -- etc. ...Read more

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What is "endartenetomy" in coronary artery bypass?

What is "endartenetomy" in coronary artery bypass?

Endarterectomy : Endarterectomy refers to a procedure wherein a surgical plane of resection of the inner lining of a diffuse narrowed blood vessel is undertaken. This improves the blood flow. Because of the diffuse involvement however there is a greater risk of recurrent narrowings there. ...Read more

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Robotic assisted cornary artery bypass sugery?

Robotic assisted cornary artery bypass sugery?

Remote surgery: Bypass surgery done through tubes or scopes in which the surgery operates by sitting at a console and operates the scopes or tubes remotely. Much less invasive in that the cutting of the sternum or breastbone is not needed. The disadvantage is that it cannot reached all areas of blockage in some patients. ...Read more

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Who benefits from coronary artery bypass surgery?

Who benefits from coronary artery bypass surgery?

You,the patient: Triple vessel disease, left main coronary critical stenosis, selected double or single vessel disease specially if mammary to lad involved, patients with diabetes. ...Read more

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What's a coronary artery bypass?

What's a coronary artery bypass?

Surgical operation: This operation uses arteries and veins as bypass grafts to bring blood into the coronary arteries beyond blockages and keep the heart muscle well supplied with blood. ...Read more

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What's a traditional coronary artery bypass?

What's a traditional coronary artery bypass?

Tradional CABG: A traditional cabg, involves using the heart-lung machine to sustain circulation while the heart is stopped so it can be operated on. Saphenous vein and an artery from the inside of the chest wall (lima) are used to bypass the blocked part of the coronary arteries. When the bypass grafts are completed, the heart will naturally start beating again. ...Read more

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Is CABG (coronary artery bypass grafting) an open heart surgery or closed heart surgery?

Is CABG (coronary artery bypass grafting) an open heart surgery or closed heart surgery?

Not necessarily: A CABG if done without cardiopulmonary bypass (cpb) does not require the heart to be opened, however most cabgs are done with cpb requires cannula placement in the heart. However, most people consider any surgery on the heart where the chest is opened open heart surgery. ...Read more

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What is coronary artery bypass surgery like?

See video: In you tube there is a nice video showing the procedure. There are also visual graphics and animations. ...Read more

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Which is more severe: stents or quadruple coronary artery bypass?

Which is more severe: stents or quadruple coronary artery bypass?

Severe: Generally the more disease the more likely we are to do bypass rather than multiple stents. This is not a universal truth however. ...Read more

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How is coronary artery bypass graft proceudre performed?

How is coronary artery bypass graft proceudre performed?

Carefully: Bypass surgery involves connecting a new tube ( artery or vein) to a coronary artery past a blockage. It is done on a stopped heart using the heart lung machine or on a beating heart by stabilizing the heart with certain devices. ...Read more

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How effective is coronary artery bypass surgery for treating coronary artery disease (CAD)?

How effective is coronary artery bypass surgery for treating coronary artery disease (CAD)?

Coronary artery dise: CABG is very effective at improving the symptoms of CAD in appropriate patients. Generally over 90% get good relief of symptoms sometimes for many years. The actual disease process isn't treated so CABG must be associated with diet, exercise and drug therapy long term. for the best results. ...Read more

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What's a coronary artery bypass graft for?

What's a coronary artery bypass graft for?

Rerouting of blood: A coronary artery bypass brings more blood to the heart muscle by connecting a new tube(vein or artery) past a blockage in an artery on the heart. ...Read more

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What exactly is "endarterectomy" in coronary artery bypass surgery?

What exactly is "endarterectomy" in coronary artery bypass surgery?

Rare!: Endarterectomy is not commonly performed during coronary artery bypass grafting; but in the strict sense of it, it is the removal of the plaque and really part of the inside wall of the artery during the operation. This by the way, is the common way of clearing the carotid arteries (arteries in the neck). ...Read more

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Can you describe coronary artery bypass surgery?

Can you describe coronary artery bypass surgery?

Yes: 1.Sternotomy, 2.Conduit harvest, 3.Full heparinization and institution of cardiopulmonary bypass, 4. With or without induction of cardioplegic arrest, 5. Microsurgical arteriotomies and anastomoses of the end of the conduits to the side of the coronaries distal to the obstruction and to the aorta, 6.Restoration of systolic function, wean off cpb reverse hep., hemostasis, chest tubes, pacing leads, close. ...Read more

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How is a coronary artery bypass surgery (cabg) done?

How is a  coronary artery bypass surgery (cabg) done?

Complex, routine: With or without a heart-lung machine to isolate the heart from the circulation, conduits like vein segments or arteries are placed from the aorta (oxygenated blood) to the target artery beyond the blockage site, thus restoring oxygen to the heart muscle. If suitable, off-pump procedures can be used, though uncertain how much is gained with that less traumatic technique. ...Read more

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How is coronary bypass operated?

How is coronary bypass operated?

CABG: take a look at this site for information and illustration: http://www.mayoclinic.org/tests-procedures/coronary-bypass-surgery/basics/definition/PRC-20023680 ...Read more