arteriovenous fistulas การใช้

• While intracranial hematomas, pseudoaneurysms, and arteriovenous fistulas.
• It is a type of arteriovenous fistula.
• At Tufts-New England Medical Center he developed the Borden Classification of Dural Arteriovenous Fistulas.
• :In patients that are undergoing hemodialysis, there is usually a surgically created arteriovenous fistula or shunt.
• Various types of vascular malformations may be encountered : AVMs, micro-AVMs, telangiectasias and arteriovenous fistulas.
• An "'arteriovenous fistula "'is an abnormal connection or passageway between an artery and a vein.
• These include hydronephrosis, pre-existing arteriovenous fistula in the kidney, cystic kidney disease and small, shrunken kidneys.
• Such a bypass is referred to as an arteriovenous fistula if it directly connects a vein to an artery without using synthetic material.
• Finally, the biopsy needle may join an artery and vein in the kidney, resulting in the formation of an arteriovenous fistula.
• It is one of the body's examples of a normal anatomic arteriovenous shunt ( as opposed to an abnormal arteriovenous fistula ).
• He developed techniques for employing Arteriovenous fistula in patients with chronic renal failure, which led to a presentation in 1966 at the convention of the American Society for Artificial Internal Organs.
• Inferior rib notching can be associated with aortic coarctation ( as a result of dilatation of intercostal arteries ), superior vena caval obstruction, arteriovenous fistula, or following a Blalock Taussig shunt
• An arteriovenous fistula forces them to detour through the heart, where cardiac arrest must be induced to avoid turbulence, through the inner ear ( all outside personnel have to remain silent to prevent turbulence ) and replenish their supply of oxygen in the lungs.
• It may occur in situations with an increased blood volume, from excess of water and salt ( kidney pathology, excess of fluid or blood administration, treatment with retaining water steroids ), chronic and severe anemia, large arteriovenous fistula or multiple small arteriovenous shunts as in HHT or Paget's disease of bone, some forms of severe liver or kidney disorders, hyperthyroidism, and wet beriberi, and acutely in septic shock, especially caused by Gram-negative bacteria.