Renal artery stenosis is a narrowing of the artery that brings oxygen-rich blood to the kidneys. This narrowing is typically because of cholesterol build up in the artery wall that is called atherosclerosis. The clinical manifestation of renal...
The blood flow into the kidney is carried from the aorta to the renal artery. As atherosclerotic plaque builds up in the aorta it will extend into the renal artery and slowly decrease the diameter of the artery at its origin. As this process...
Renal artery stenosis is a condition that involves the narrowing of the arteries which carry blood to the kidneys. Because the kidneys are involved in controlling blood pressure, renal artery stenosis can impair the kidneys' ability to control...
Renal artery stents are treatment options when the blood vessels that feed the kidney are narrowed or have a clot. This reduces the ability of the kidneys to clear the blood stream of waste products and toxins. Renal artery stenosis or renal...
High blood pressure, or hypertension, can occur in children as it does in adults. However, common causes for the disorder differ between the two age groups. While primary hypertension--high blood pressure not due to another disorder--predominates...
The kidneys work to remove excess minerals and waste products from the blood. As the American Heart Association notes, the kidneys' ability to remove excess water as well as these byproducts of cell metabolism and dissolved salts also allows the...
According to the American Heart Association, resistant hypertension is a condition in which a person's blood pressure remains elevated despite treatment with three blood pressure-lowering medications or in which a person's blood pressure has been...
The aorta is the main artery of the body. It leaves the thoracic cavity behind the posterior portion of the diaphragm just below the 12th thoracic vertebra. Either directly from major branches or indirectly via secondary arteries, it supplies...
Acute renal failure is the sudden loss of the kidneys' ability to process and remove waste products from the blood. Symptoms include a decrease in urine output, swelling of the feet and ankles, elevated blood pressure and difficulty breathing due...
Arteries are blood vessels that carry blood away from the heart. There are many arteries in the body that carry blood to different areas, including the brain, kidneys, arms and legs. Diseases of the artery interfere with normal blood flow and can...
Chronic renal failure is the result of a gradually progressive loss of kidney function. A 2007 report from the Centers for Disease Control and Prevention (CDC) found that nearly 17 percent of the U.S. population age 20 and older has chronic kidney...
Diabetes is a condition that affects a growing number of individuals. It is a condition characterized by the inability of the body to process blood glucose (sugar), which leads to numerous complications in almost every organ system. Diabetes has...
A stent is small tube made of a metal or fabric mesh that is inserted into the body to improve the flow of fluids---usually blood through a blood vessel. Doctors place kidney stents in the renal arteries, the blood vessels that carry blood to the...
The urinary system consists of the kidneys, bladder, the ureters that connect these structures; and the urethra, which carries urine from the bladder to the outside of the body. Diseases or abnormal conditions in other organ systems can disrupt...
Surgery on the kidney is done for many reasons, such as transplants, removal of the kidney (nephrectomy) and on the adrenal glands situated on the kidney. Surgery always has risks of complications due to its invasive nature, and the kidney offers...
Renal hypertension, or renovascular hypertension, is a disorder caused by high blood pressure due to the narrowing of the vessels that carry blood to the kidneys, reports Medline Plus, a National Institutes of Health website. When these arteries...
Cardiac dilatation, or dilated cardiomyopathy, is a condition in which the chambers of the hearts are enlarged, the heart muscle is thin and weak, and the muscle fibers are often in disarray. According to The Merck Manuals Online Medical Library,...
Primary hypertension describes high blood pressure that occurs as a standalone medical condition. Most high blood pressure in adults is due to primary hypertension. However, high blood pressure can also occur as a complication of another medical...
Normally, your kidneys screen impurities from your bloodstream. The result of this process is the removal of waste materials and excess fluid in the urine. Occasionally, infections, injuries and disease hamper the ability of the kidneys to perform...
The kidneys and adrenal glands are intimately related, both in terms of location and certain functions. However, patients with kidney disease or adrenal disorders often focus upon one organ at the expense of the other. Knowing more about both...
Multiple complications can result from methamphetamine use. Regardless of pattern of use, abuse or dependence, the major organs of the body can be hurt, and in the most severe cases death can occur. The arteries and blood vessels are significantly...
The kidneys are an enormously complex organ involved in everything from regulating blood pressure, filtering blood, maintaining healthy bones and helping mature red blood cells. In the absence of illness, it is very possible to avoid thinking...
Abdominal aortic stenosis (AAS) refers to abnormal narrowing of the aorta anywhere along its course in the abdomen. The aorta enters the abdomen through the thoracic hiatus at the level of the 12th thoracic vertebra in front of the spinal cord...
According to the U.S.. Centers for Disease Control and Prevention, 32 percent of all Americans 20 years of age and older have been diagnosed with hypertension as of 2006. This has resulted in a total of 40.5 million visits to doctors' offices,...
The aorta is the major artery carrying oxygenated blood out of the heart to the rest of the body. An aneurysm, which can form in any blood vessel, is a bulging or ballooning of the wall of the vessel. Aortic aneurysms can be classified according...
Empowher.com describes dysplasia as any growth or development of abnormal cells. Dysplasia in the body can take many forms and affect different areas. It typically arises from abnormal cell or tissue proliferation, and is treated in a variety of...
Hypertension, also known as prolonged elevated blood pressure, is an extremely common health problem among Americans, especially African-Americans. The Cleveland Clinic states that approximately 75 million people in the United States are believed...
Normally, the kidneys function as part of the excretory system and help the body filter waste out of the blood, which is then excreted as urine. The kidneys also help maintain a healthy blood pressure level within the body by removing excess salt...
A stent is a cylindrical medical device typically made of metal or plastic. Stents have a variety of vascular and nonvascular applications and are used medically to help open tubular body structures that are narrowed or blocked. Since their...
