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Doctor insights on: Arteriovenous Cimino Fistula

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Why is an arteriovenous fistula in a limb considered life-threatening?

Why is an arteriovenous fistula in a limb considered life-threatening?

Overload the heart: An AV Fistula is a 'short-circuit' between the arterial and venous systems. In an extremity it can deprive the remainder of the limb of adequate blood flow, causing pain or even tissue loss. The major problem is that AVFs over time tend to shunt more and more blood, causing a marked increase in venous flow back to the heart and potentially causing causing strain or even pump failure. ...Read more

Fistula (Definition)

A fistula is an abnormal connection between two places. Most commonly, it originates somewhere in the intestine and communicates to another location in the intestine or in the skin. A fistula can develop after abdominal surgery, with inflammatory bowel disease, cancer, anorectal abscess, and ...Read more


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Why is arteriovenous fistula in a limb life-threatening and therefore requires amputation?

Why is arteriovenous fistula in a limb life-threatening and therefore requires amputation?

Not likely: most arteriovenous fistulas (AVF) in the limb are small and not life-threatening. The may be congenital, or a result of trauma, surgery or procedures, but, do not often result in amputation. They will usually enlarge if untreated, and this may involve surgery or catheter based procedures depending on the location of the AVF. ...Read more

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Can a dural arteriovenous fistula develop sore throat symptoms?

Can a dural arteriovenous fistula develop sore throat symptoms?

Very unlikely: that they are related. You could of course have a second problem with infection. ...Read more

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Are av fistulas permanent?

Don't have to be: It takes a surgical procedure to connect the end if a vein to the side of an artery (create an av fistula). Once created, it will take another surgical procedure to shut the fistula down if need be. Most often they are kept in place even if not used as a back-up system for dialysis access. ...Read more

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What exactly is a fistula?

What exactly is a fistula?

Abnormal Connection: An abnormal connection between to organs or vessels. Example: entero-cutaneous fistula- an connection between the bowel and the skin. These are typically caused by diseases of the bowel. Example: arterio-venous fistula- a connection between an artery and a vein. These are created surgically to provide dialysis. ...Read more

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What are other kinds of fistula?

Innumerable: There are dozens of different kinds. A fistula is basically an abnormal connection between parts of the body. You can have fistulas between the arteries & veins, small bowel & colon, intestine & bladder, bowel & vagina, lungs & bile ducts, stomach & lungs, esophagus & trachea.... I think you get the idea. ...Read more

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How is a fistula generally treated?

How is a fistula generally treated?

Depends on the cause: Fistulae caused by crohn's disease can be treated with medications such as remcade. Others often require surgery or occasionally can be treated by injection with fibrin glue. ...Read more

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Is another name for fistula shunt?

Shunts: Can also be arterio venous fistulas that have occurred naturally due to disease or trauma or surgeon made for vascular access for dyalysis. There are other types of shunts and fistulas. Need more specifics to help any further with an answer. ...Read more

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Medicine for fistula bleeding in ano?

Medicine for fistula bleeding in ano?

BLEEDING fistula: Anal fistula needs operation to correct it and stop bleeding. ...Read more

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How do you fix a uterovaginal fistula?

Surgery: Surgery is required to fix this problem. The surgical technique is beyond the scope of this forum. ...Read more

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What are symptoms of a vaginal fistula ?

What are symptoms of a vaginal fistula ?

Depends: On where the fistula originates but if it is from the rectum/colon, will have feculant discharge from the vagina, may pass gas thru the vagina, frequent enteric vaginal bacterial infections. A thorough office exam should be able to confirm the diagnosis. ...Read more

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What does a dialysis fistula actually do?

What does a dialysis fistula actually do?

"short circuit": A patient who is on dialysis needs the machine to clean toxins from the blood that the kidneys usually do. The patient's blood needs to get out of the body, through the machine, and back into the body. A dialysis fistula is made by sewing a vein to an artery. This short-circuits the blood flow and the vein becomes dilated because it experiences arterial pressures. This can be used for access. ...Read more

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Whats the symptoms of fistula or fissure ?

Whats the symptoms of fistula or fissure ?

Completely different: A fissure is a tear. They bleed, and can be very painful. A fistula is an abnormal connection from the bowel to another organ, viscus, or the skin. The common types are between the trachea and esophagus, the rectum and the vagina or bladder, or the colon and the skin. They are generally in the setting of either surgery and post operative care or infection, like diverticulitis. ...Read more

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What is anus fistula and what are its causes?

What is anus fistula and what are its causes?

Tract: A fistula involving the anus or rectum is a pathologic communication, tract or conduit between two anatomic structures or organs caused by infection or inflammation. The tract can drain pus if it leads to an abscess. Crohn's disease is a common cause of ano-rectal fistulae. ...Read more

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What is a vaginal fistula? How do you get it?

A fistula is a track: Fistula is a track between the vagina and another organ or to another surface. To treat a fistula one has to know where the track connects to. If the track is between the vagina and the rectum one needs to know how the track originated-after a delivery or surgery or inflammatory process such as crohns disease. ...Read more

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Are there any risks involved in fistula surgery?

Sure, it's surgery: Any surgical procedure has inherent risks, including possible infection, bleeding, sedation/medication issues, possible damage to nearby tissues including nerves, etc. Discuss the details with your surgeon. ...Read more

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How can I confirm that I have a fissure fistula?

How can I confirm that I have a fissure fistula?

Gastrointestinal Dr.: One can see his primary care doctor first, to see if a referral is needed, to a gastrointestinal doctor, who can help diagnose an anal fissure or an anal fistula. ...Read more

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What is an enteroenteric fistula? What causes it?

Fistula: Entero-enteric fistula is an abnormal communication between two loops of bowel. Usually caused by diseases such as Crohn's disease, diverticulitis, cancer, etc. I hope this helps. All best! ...Read more

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What's the difference between a shunt and fistula?

What's the difference between a shunt and fistula?

Fistula vs shunt: Basically, fistulas are natural occurring, abnormal communications between structures (e.g. Between the trachea & the esophagus or between the bladder & the vagina) & shunts are man made communications between structures (e.g. Between an artery & a vein for dialysis or between a cerebral ventricle & the peritoneal cavity for removing excess cerebrospinal fluid in hydrocephalus). ...Read more