What is Cholesterol?Cholesterol is a sterol (a combination steroid and alcohol). Cholesterol is a lipid found in the cell membranes of all tissues, and it is transported in the blood plasma of all animals. Because cholesterol is synthesized by all eukaryotes, trace amounts of cholesterol are also found in membranes of plants and fungi.The name originates from the Greek chole- (bile) and stereos (solid), and the chemical suffix -ol for an alcohol, as researchers first identified cholesterol in solid form in gallstones by Francois Poulletier de la Salle in 1769. However, it is only in 1815 that chemist Eugene Chevreul named the compound "cholesterine".[2]Most of the cholesterol is synthesized by the body and some has dietary origin. Cholesterol is more abundant in tissues which either synthesize more or have more abundant densely-packed membranes, for example, the liver, spinal cord and brain. It plays a central role in many biochemical processes, such as the composition of cell membranes and the synthesis of steroid hormones. Cholesterol is insoluble in blood, but is transported in the circulatory system bound to one of the varieties of lipoprotein, spherical particles which have an exterior composed mainly of water-soluble proteins. The main types, low-density lipoprotein (LDL) and high-density lipoprotein (HDL) carry cholesterol from and to the liver.According to the lipid hypothesis, abnormally high cholesterol levels (hypercholesterolemia) and abnormal proportions of LDL and HDL are associated with cardiovascular disease by promoting atheroma development in arteries (atherosclerosis). This disease process leads to myocardial infarction (heart attack), stroke and peripheral vascular disease. As high LDL contributes to this process, it is termed "bad cholesterol", while high levels of HDL ("good cholesterol") offer a degree of protection. The balance can be redressed with exercise, a healthy diet, and sometimes medication. |
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Abdominal Aortic Aneurysm Repair - NYU Medical Center, NYU Abdominal aortic aneurysms are most often a result of atherosclerosis combined with high blood pressure. If the AAA becomes large or ruptures, MedlinePlus Medical Encyclopedia: Abdominal aortic aneurysm High blood pressure; Smoking; High cholesterol; Obesity; Emphysema; Genetic factors; Male gender. An abdominal aortic aneurysm can develop in anyone, Blood Pressure Effects of Lower Abdominal Aortic Surgery with Blood Pressure Effects of Lower Abdominal Aortic Surgery with Particular Reference to the Use of Morphine and Droperidol in Modifying the Responses Abdominal Aortic Aneurysm: Symptoms and Treatments: BCM Dept of An abdominal aortic aneurysm is an enlarged or Áœballooned outÁ« area in the abdominal People with small aneurysms and high blood pressure may be given PVRF :: Learn about Vascular Disease :: Abdominal Aortic Aneurysm Abdominal Aortic Aneurysm á». Atherosclerosis · High Blood Pressure & Kidney Abdominal Aortic Aneurysms are mainly caused by damage to the wall of the Abdominal Aortic Aneurysm | CRL The abdominal aorta supplies blood to the intestines, liver and kidneys. who has had abdominal aortic aneurysm; Having high blood pressure; Smoking Abdominal Aortic Aneurysm - Stanford Hospital & Clinics - Stanford medication - to control factors such as hyperlipidemia (elevated levels of fats in the blood) and/or high blood pressure; surgery. abdominal aortic aneurysm Aortic aneurysm - Wikipedia, the free encyclopedia Abdominal aortic aneurysms, the most common form of aortic aneurysm, Medical therapy of aortic aneurysms involves strict blood pressure control. Aortic Aneurysm-Overview The two types of aortic aneurysms are abdominal aortic aneurysm and thoracic This medicine helps to lower blood pressure and stress on the aortic wall. USC Center for Vascular Care Aneurysms occur most commonly in the abdominal aorta, a large blood vessel in Risk factors such as smoking and high blood pressure (hypertension) may European Journal of Vascular and Endovascular Surgery : Rupture of Refers to:, Letter to the Editor re: Rupture of Abdominal Aortic Aneurysms. What Matters Most; Geometry or Blood Pressure? European Journal of Vascular and Abdominal Aortic Aneurysm and Low Back Pain | Norman Engel, MS, DC Fifteen percent of abdominal aortic aneurysms are not visible on x-ray. As a side note, a renal artery aneurysm may also cause high blood pressure which Abdominal Aortic Aneurysm (AAA) You can reduce your risk of abdominal aortic aneurysm by not smoking and keeping your blood pressure under control. If you have an abdominal aortic aneurysm Abdominal Aortic Aneurysm (AAA): What You Should Know Information on abdominal aortic aneurysm from the American Academy of Family Your risk of an AAA is higher if you smoke or have high blood pressure. The Society of Thoracic Surgeons Continuing from the thoracic aorta, the abdominal aorta carries blood down through the thoracic aorta can often be treated with blood pressure control. Information on Abdominal aortic aneurysm produced by medical doctors Learn about abdominal aortic aneurysms including how they tend to develop, Low Blood Pressure · Abdominal Pain · more á». Abdominal Aortic Aneurysm Abdominal aortic aneurysm and renal artery stenosis: renal Abdominal aortic aneurysm and renal artery stenosis: renal function and blood pressure before and after endovascular treatment High Blood Pressure - What is Abdominal Aortic Aneurysm? Dr Dr. Richard DeMasi, a vascular surgeon in Norfolk, Va., talked with us about how people can protect themselves from a ruptured abdominal aortic aneurysm. VascularWeb: Abdominal Aortic Aneurysm When a weak area of the abdominal aorta expands or bulges, it is called an abdominal aortic aneurysm (AAA). The pressure from blood flowing through your |
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