2022年5月17日 · An arteriovenous fistula may be surgically created for use in dialysis in people with severe kidney disease. Symptoms of arteriovenous fistulas depend on where they form in the body. A large untreated arteriovenous fistula can lead to serious complications.

2015年3月12日 · There are signs that a fistula or graft is at risk of rupture. If you see any of these, call your vascular surgeon and insist on being seen right away. Don’t wait! If it is a weekend, call the after-hours number. Thin, tight, or shiny skin on your access – even a small spot could burst.

In some cases, a way to repair an existing fistula is to destroy the connection. Radiation therapy targets the fistula precisely and turns it into scar tissue, so blood can't pass through it. Treating an arteriovenous fistula often involves medication as well.

2024年10月29日 · Yes, there is a risk of rupture with dural arteriovenous fistulas (dAVFs), particularly if they involve cortical venous drainage. A rupture occurs when the abnormal blood vessel connection bursts, potentially causing bleeding in or around the brain or spinal cord.

Serious complications such as fistula rupture, neuropathy, distal embolus and thrombosis can also occur frequently . In the case of longstanding fistula, cardiac overload develops, which may lead to cardiac failure and endocarditis.

2024年10月1日 · AV fistula is an abnormal connection between an artery and a vein that can cause serious complications. Learn how UPMC experts care for people with AV fistula.

2024年10月29日 · Learn about dural arteriovenous fistulas (dAVFs), their frequency, treatment options, and recovery outlook. Discover whether dAVFs can be cured, what happens if they rupture, and if they can return after treatment.

2022年11月21日 · Carotid-cavernous fistulas, typically due to trauma, can be fatal and are most often associated with a basilar skull fracture, penetrating trauma to the area, and ruptured aneurysms. Two-thirds of traumatic AVFs are diagnosed within 1 week of the injury; however, some may present weeks to years after the event.

When blood flows directly from an artery into a vein, bypassing the capillaries, an acquired arteriovenous fistula is present. With fistulas, the veins (which lack the strong walls of the arteries) can eventually dilate and may hemorrhage or rupture.

2023年6月6日 · What Is an Arteriovenous (AV) Fistula? An arteriovenous fistula (AVF) is an atypical connection that forms between an artery and a vein. An AVF can occur as the result of a congenital condition or an injury. However, doctors may also surgically create one to allow for easier vein access in hemodialysis.