Doctor insights on:
Can Radiation Therapy Lead To Carotid Artery Blockage
I do not agree: Radiation to the head and neck area could potentially increase the risk for carotid artery disease years after the treatment. I routinely discuss this risk with my patients whom are being treated for a head and neck cancer. Unfortunately, the treatment with radiation is necessary for their disease so the risk of treatment is outweighed by the benfits. ...Read moreSee 2 more doctor answers
Irradiation is the process by which an object is exposed to radiation. The exposure can originate from various sources, including natural sources. Most frequently the term refers to ionizing radiation, and to a level of radiation that will serve a specific purpose, rather than radiation exposure to normal ...Read more
Carotid blockage: If asymptomatic with use of proper medical therapy a moderate carotid blockage is fairly low risk. Many vascular surgeons would favor no intervention in this situation. If symptomatic, would recommend repair of this. Options include stenting or open surgery, carotid endarterectomy. Best data suggests that stenting over age 65 -70 has higher risk of stroke than endarterectomy. ...Read moreSee 2 more doctor answers
Somewhat unclear: Blockages in the carotid artery of a certain severity may increase one's risk of stroke. For those carotid arteries without a blockage, some physicians measure the intima (the inner-most lining of the artery) and derive a value called the imt, or intimal-medial thickness. It's supposed to help us determine severity of atherosclerosis, but this is somewhat controversial. ...Read more
Excellent: Ultrasound duplex imaging of the cervical carotid arteries is very good at determining significant arterial narrowing. Changes in the flow patterns of the carotid arteries can also suggest disease in the internal carotid arteries further on in at the skull base even though the arteries themselves cannot be seen at that level. ...Read more
I have 69% blockage in the left carotid artery. I also have dizzy fainting spells. What should I do?
Be evaluated: A 69% carotid artery blockage on one side isn't enough to cause dizziness/ fainting spells. Is it low blood pressure, anemia, a middle ear problem? It's best to have your internist work through the possible causes. With regard to your cerebral circulation, it would be helpful to know how your vertebral arteries look. A simple ultrasound can evaluate these arteries which supply the balance center. ...Read moreSee 1 more doctor answer
Would an echocardiogram and stress test show if there was a blockage or problem in the carotid arteries?
This is light of extremely short wavelengths typically produced either among the stars / in cosmic rays or by radioactive element decay. Gamma rays form the background of normal radiation in which we all live; it is substantially greater than the exposure we get from imaging scans or should get from ...Read more
Arteries are a type of blood vessels. We can divide blood vessels into 2 categories. Arteries are high pressure vessels which deliver (red) oxygen + blood out into the body. Veins on the other hand or low pressure vessels which return (dark) oxygent - blood from the body ...Read more
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