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Doctor insights on: Av Fistula Surgery Steps

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Is it required to shut down a mature av fistula for surgery on the same side?

Is it required to shut down a mature av fistula for surgery on the same side?

Usually yes: If there are 2 functioning av accesses on the same side, there is higher risk of access steal (not enough blood flow to the hand, producing hand pain and sometimes gangrene of the fingers). If the mature access is having problems (pseudo aneurysms, stenosis), most times we can repair it rather than sacrifice it to place another access. ...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 my av fistula ugly?

Why is my av fistula ugly?

Chronic use: Av fistulas tend to become dilated with use and time, and the access into the fistula should be rotated in different sites. The fistulas are close to the skin, and the majority are prominent, and there is no way to get around this. ...Read more

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What does an av fistula for dialysis mean?

What does an av fistula for dialysis mean?

Arteriovenous fistul: It is an arteriovenous fistula. It is a surgical connection of an artery and a vein. Once "mature", it is where they insert the needles for the blood to flow to the dialysis machine. It can take 3 months or so from "creation" until it is ready to use. ...Read more

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Please tell me what does a femoral av fistula look like?

Please tell me what does a femoral av fistula look like?

Femoral AV fistula: Here is a link that will show you a multitude of images of a femoral av fistula:

https://www. Google. Com/search? Hl=en;site=imghp;tbm=isch;source=hp;biw=1280;bih=922;q=femoral+av+fistula;oq=femoral+av+f;gs_l=img.1.0.0i24l3.1107.5179.0.7581.14.8.1.5.5.0.110.688.7j1.8.0....0...1ac.1.32.Img. 0.14.688.Hbqen24dzem;safe=active;ssui=on. ...Read more

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How can I find out what a femoral av fistula looks like?

Internet: If you can ask that question on this site you should be able to ask that question in google. ...Read more

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What happens to your circulation when you have an av fistula?

What happens to your circulation when you have an av fistula?

Well,: An arteriovenous fistula is a disruption of the normal blood flow pattern. Normally, oxygenated blood flows to the tissue through arteries and capillaries. Following the release of oxygen in the tissues, the blood returns to the heart in veins. An arteriovenous fistula is an abnormal connection of an artery and a vein. The blood bypasses the capillaries and tissues, and returns to the heart. ...Read more

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What is the purpose of av fistula ligation, and what is a possible diagnosis?

What is the purpose of av fistula ligation, and what is a possible diagnosis?

AV Malformation?: Depending on the location, an abnormal communication between arteries and veins can have many different symptoms. The purpose of correction is to alleviate the symptoms. In most cases, the aim is to stop possible deadly bleeding.
If this is related to your sudden abdominal pain, then tests should confirm it.
If it is related to headaches and one is found, it should corrected immediately. ...Read more

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How long for av fistula to mature?

How long for av fistula to mature?

Many factors: There are many things which effect avf maturation. Vein size, location, and type of fistula to name a few. In the best of circumstances, expect 6-8 weeks, but many times a fistula will take longer or need additional procedures to help it mature fully. ...Read more

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Is an av fistula permanent or temporary?

Permanent w/o repair: An AV fistula, or arterial-venous fistula, is an abnormal connection between an artery & vein that allows high pressure arterial blood to travel into the low pressure venous system. It can be caused by traumatic blood vessel injury or purposely created surgically by a doctor (e.g for dialysis access). An AV fistula is always permanent unless repaired surgically or with covered stenting of vessels. ...Read more

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Is it true that av fistula is permanent?

Need info: A surgically created fistula for dialysis is not removed unless infected. An av fistula from other sources may need repair. Why do you have an av fistula? ...Read more

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Can a person have an external av fistula?

Yes- not practical: It turns out that the first "fistulas" made years ago when dialysis first started were "external" fistulas. They were actually synthetic/plastic tubes connecting an artery to a vein. There were significant problems with bleeding and infections. These "external" fist las are not used today. If someone needs urgent dialysis they get a catheter. For long term dialysis either a fistula or a graft. ...Read more

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What does it mean for an av fistula to mature?

Growth for dialysis: A primary arterio-venous fistula (that means where an artery and a vein have been sutured directly into each other as opposed to an interposition graft) takes some time for the vein to grow larger. The size of the vein is important because it allows the flow requirements of dialysis. This often takes a month or two to happen. ...Read more

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Is it possible for a failed av fistula be reactivated?

Needssurgical eval: Clotting of the avf is the major problem facing patients on dialysis. Generally, it needs to be evaluated and declotted rapidly to be salvaged (within 1-2 days) by a vascular surgeon or interventional radiologist. The focus more recently is early prevention to prevent clotting from occuring through close monitoring of blood flows and pressures. ...Read more

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Can you tell me how the procedure for av fistula placement works?

Can you tell me how the procedure for av fistula placement works?

It works well.: A fistula is the best option for long-term hemodialysis. Your own artery and vein are connected in a small surgical procedure. It takes 6 weeks or more to grow or mature and then 2 needles are inserted for dialysis. There is no artificial material as in an av graft so the fistulas stay open. See www, fistulafirst, org for more info. ...Read more

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What is a detailed step-by-step description of an av fistula procedure?

Depends: Sometimes it's just a single small incision with vein brought over to the artery. Other times two or more incisions of great length are needed. Discuss your case with your surgeon. ...Read more

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Anybody have an av fistula? Is the fistula a natural thing or from an injury?

Well,: There are two types of arteriovenous fistulas, congenital and acquired. A congenital arteriovenous fistula is one that formed during fetal development. An acquired arteriovenous fistula is one that develops after a person is born. After catheterizations, arteriovenous fistulas may occur as a complication of the arterial puncture in the leg or arm. Fistulas also form without apparent cause. In the. ...Read more

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I'd like to ask for a detailed step-by-step description of a av fistula procedure?

Generally...: 1) make incision, 2) find vein and inspect for appropriateness as an av fistula, 3) find artery, 4) connect the vein onto the artery, 5) close incision. The details vary slightly depending on the site on one's arm or leg, but generally the five steps listed is all that's involved. ...Read more

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What is the definition or description of: av fistula creation?

Artery to vein Conni: An av fistula is a direct connection made by a surgeon connecting a vein to an artery. These are usually performed in the wrist or elbow crease. These are created to increase blood flow in the vein so it can be used for dialysis access. ...Read more

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What is the process of decloting an av fistula for dialysis patients?

Two methods: There are two methods: mechanical or chemical. Occasionally both methods are used. In general, the doctor accesses the av graft or fistula with a needle and places a tube into the graft. He then uses wires and catheters to cross the clot and inject clot busting meds. There are devices he can use that also break up clot. Or, he can open the graft and use special balloons to pull clot out. ...Read more

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Cure of brain dural av fistula?

Cure of brain dural av fistula?

Not enough info: I am sorry; that question is so general that it is impossible to give you a satisfactory answer in the 400 characters we're allotted. Are you the one with the a-v fistula? Has it bled? What does your neurosurgeon say? ...Read more

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What does it mean to have av fistula in left arm?

Connect Vein&Artery: This is when a vein is surgically connected to an artery (end-to-side anastomosis). This maintains blood flow to the hand while diverting blood into the vein. The vein becomes pressurized to arterial pressure and had much higher blood flow. Over time its size will double and its walls thicken so that it can be accessed for dialysis. Left arm is most often used because it is the non-dominant arm. ...Read more

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What happens if you accidentally have taken blood pressure on av fistula?

Likely ok: The concern is for possible damage to the fistula leading to thrombosis or clotting of the system. If brief pressure from a one time inflation occurs then hopefully the risk of trauma is minimal and you will be ok. ...Read more

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Please help! What happens to the radial pulse when you have an av fistula?

Normal: Av fistula creates an connection between artery and vein, however there is ongoing blood flow distally into radial artery. Radial artery pulsations will be normal after the avf. Surgeons will check the radial pulse after surgery, if there is decreased pulse, they will revise the fistula to ensure adequate blood flow in the fistula and radial artery. ...Read more

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What is the purpose of a AV fistula for dialysis patients? I can't find anything good on the internet to explain this, please add link if you have one

High flow: An A-V fistula creates a peripheral region of high blood flow so that a large volume of blood can be removed and returned to the body for the "cleaning" done by the dialysis machine. ...Read more

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I am a dialysis patient for 2 yrs. I lift 5 to 10 pds of weights, is it okay for my av fistula. And what can I take to build muscle?

I am a dialysis patient for 2 yrs. I lift 5 to 10 pds of weights, is it okay for my av fistula. And what can I take to build muscle?

AVF and weights: The answer to your question about lifting weights being ok for your avf is "yes". You need to speak to your renal dietician about what you can eat to build up muscle. Good luck. ...Read more

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How do physicians de-clot an av fistula for dialysis patients?

How do physicians de-clot an av fistula for dialysis patients?

Open or endo: It can be done with tpa (alteplase) (a high-potency medication to dissolve blood clot) and a rotor-rooter device inserted through a needle stick in the access. I tend to make a small incision to remove the clot with a balloon catheter, then do an angioplasty on the area of stenosis (narrowing) which you usually find in the vein or graft. ...Read more