Arteriovenous Fistula

Below you will find more information about Arteriovenous Fistula from Medigest. If you believe that you are suffering from any of the symptoms of Arteriovenous Fistula it is important that you obtain an accurate diagnosis from a medical professional to ensure that you obtain the correct medication or treatment for your condition. There are medical conditions that carry similar symptoms associated with Arteriovenous Fistula and therefore the information provided by Medigest is offered as a guideline only and should never be used in preference to seeking professional medical advice. The information relating to Arteriovenous Fistula comes from a third party source and Medigest will not be held liable for any inaccuracies relating to the information shown.

Definition

Arteriovenous Fistula is an abnormal passageway between an artery and a vein, which can either be present at birth, created surgically intended for hemodialysis treatments for patients with end-stage kidney failures, or acquired either by trauma or erosion of an aneurysm in an artery. As a disease, arteriovenous fistula is referred to as arteriovenous malformation, a congenital disorder of the connections between arteries and veins in the cardiovascular system of the body.

Diagnosis

Doppler ultrasound study is used to detect abnormal movement of the arterial blood flow. Magnetic Resonance Imaging or Magnetic Resonance Angiography can confirm diagnosis, determine the extent of damage, and assist in the treatment planning stages. Diagnostic Angiography provides a clear-cut and well-defined mapping of the blood vessels in the suspected area.

Treatment

Treatment options include removal of lesion by means of surgery and embolization procedures.

Symptoms and Signs

It can occur in any part of the body including the brain, lung, spleen, kidney, liver, and spinal column; either on isolation or as part of another disorder causing symptoms including decrease of blood supply to the tissue (tissue ischemia), pain, impaired mobility, and bleeding.

Causes

The formation and exact cause of the malformation is not yet known, though there are cases reported that it seems to develop during the first trimester of pregnancy.

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