Fistula: Definition, Types & Causes - Cleveland Clinic
2024年2月26日 · A fistula is a connection between two parts of your body that don’t normally connect. It often takes the form of a tunnel or passageway, and it may allow a bodily substance (like pus, poop or blood) to travel somewhere it shouldn’t.
What Does a Healthy AV Fistula Look Like? - Azura Vascular Care
2018年7月17日 · An AV fistula is a surgically-created permanent access located under the skin, making a direct connection between a vein and an artery. An AV fistula is typically created in the non-dominant arm. If the veins in your arm are not large or healthy enough to support a fistula, it may be created in your leg.
Fistula: Causes, Symptoms, Types, and Treatment - Verywell Health
2024年9月11日 · A fistula is an abnormal connection of two body cavities or a body cavity and the skin. For example, fistulas can occur between the rectum and the vagina or the intestine and the skin. They form when sores caused by inflammation inside the body worsen to the point that they form a tunnel in internal tissues.
Arteriovenous fistula - Symptoms & causes - Mayo Clinic
2022年5月17日 · An arteriovenous (AV) fistula is an irregular connection between an artery and a vein. Blood flow avoids tiny blood vessels (capillaries) and moves directly from an artery into a vein. Arteriovenous fistulas usually occur in the legs but can develop anywhere in the body.
Most Important Chronic Complications of Arteriovenous Fistulas …
2012年11月2日 · The most important complications of fistulae for HD are lymphedema, infection, aneurysm, stenosis, congestive heart failure, steal syndrome, ischemic neuropathy and thrombosis. In HD patients, the most common cause of …
What Happens When an AV Fistula Fails? | Azura Vascular Care
2019年11月4日 · If your fistula cannot be quickly fixed, your doctor may suggest a temporary access so you can still receive dialysis while your medical team works to have your fistula functioning again. Let’s explore some reasons as to why a fistula can fail as well as some of the potential treatment options.
Arteriovenous (AV) Fistula: Symptoms & Treatment - Cleveland Clinic
An arteriovenous fistula is when an artery and vein connect directly, allowing blood to flow incorrectly. These can be surgically created for people who need dialysis care. They can also happen because of injuries or form in the womb before a person is born.
Arteriovenous Fistulas and Their Characteristic Sites of Stenosis
2015年9月23日 · This article will discuss the advantages and disadvantages of each type of fistula and examine the characteristic site of stenosis for each type of fistula including the causes of stenosis at that site, the effects of stenosis at that site on …
Arteriovenous Fistula - StatPearls - NCBI Bookshelf
2022年11月21日 · Arteriovenous fistulas (AVFs) are abnormal connections between arteries and veins. AVFs can be surgically created, can occur as a result of a congenital or genetic anomaly, or can be secondary to iatrogenic injury or trauma. Other than the surgically created types of fistulas, these are quite rare.
Effects of Arteriovenous Fistula on Blood Pressure in Patients …
2019年2月15日 · Central arteriovenous fistula (AVF) creation is under investigation for treatment of severe hypertension. We evaluated the effects of AVF for initiation of hemodialysis on systolic, diastolic, and mean arterial blood pressure in patients with end‐stage renal disease.