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Doctor insights on: What Is The Difference Between A Fistula And Shunt

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What is the difference between a fistula and a shunt?

What is the difference between a fistula and a shunt?

Dialysis shunts.: A shunt is a term for the connection that shunts blood from an artery to a vein, bypassing the microscopic network in the tissues that normally connect them. This allows a high blood flow access for pulling blood from the body to the dialysis filter. A fistula is a shunt that has a direct connection of a native artery and native vein, rather than using an artificial tube to make the connection. ...Read more

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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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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

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Is another name for fistula shunt?

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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I'm wondering why can't you do an IV on a fistula/shunt and if you do are there any complications?

Here's why: Here's why we don't place IVs in fistula/shunt. First, blood flow is high pressure in them and would force blood backward through IV. Second, placing an IV into the fistula/shunt by staff who aren't used to it often injures the fistula/shunt resulting in issues like pseudoaneurysms. Shunts/fistulae are important so we save them for your dialysis! ...Read more

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Dialysis shunt and dialysis fistula the same?

No: A shunt, or graft, is a piece of synthetic tubular material inserted under the skin that dialysis needles insert directly into. A fistula is a connection of your own artery to a vein. Needles are then placed into the vein when the wall thickness matures. ...Read more

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Av fistula, av graft, subclavian or femoral catheter, av shunt permanent or temporary, which is better?

Av fistula, av graft, subclavian or femoral catheter, av shunt permanent or temporary, which is better?

AV fistula: Countless studies and decades of research have shown a clear advantage for patients who undergo hemodialysis through an av fistula. The second best is an av graft and all catheter-based modalities for hemodialysis are a distant third. ...Read more

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What happens if shorting of artery and vein (using fistula/decron shunt), will there be circulatory problems,gangrene or will there be no effect?

What happens if shorting of artery and vein (using fistula/decron shunt), will there be circulatory problems,gangrene or will there be no effect?

Complex: Arteriovenous fistula, shunt, graft have hemodynamic effects. Usually done in forearm or arm with excellent alternate flow called collateral and checked prior to surgery. Total blood flow is increased and has cardiac effects, also venous dilation, and palpable flow thrill are part of the local effects. ...Read more

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What is the difference between anal fissure/ fistula and a hemorrhoid?

What is the difference between anal fissure/ fistula and a hemorrhoid?

Different problems: An anal fissure is a tear in the lining of the anal canal causing pain and bleeding. An anal fistula is a tunnel from inside the anal canal out to the perianal skin. It may cause drainage, pain and swelling. There are internal hemorrhoids which may prolapse and cause bleeding, discomfort and itching, and external hemorrhoids which may cause pain or difficulty with cleaning. ...Read more

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Please help! what is the difference between anal fissure/ fistula and hemorrhoid?

Please help! what is the difference between anal fissure/ fistula and hemorrhoid?

Different: Hemorroid--engorged blood hemorrhoidal blood vessel fistula--connection between anal skin and inside your anus or rectum fissure--skin tear. ...Read more

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What is the difference between an esophageal atresia and a tracheoesophageal fistula?

What is the difference between an esophageal atresia and a tracheoesophageal fistula?

Often associated: About 1 in 4000 live births results in an anomaly of the esophagus &/or trachea. The most common form is esophageal atresia (ea) with distal tracheosesophageal fistula (tef) -- the upper and lower parts of the esophagus (swallowing tube) are not connected, & the lower part is connected to the trachea (breathing tube). There can also be ea by itself, or tef by itself, or other rarer combinations. ...Read more

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What is the difference between prominent veins and varicose veins? When i have anal fistula i have restless leg and developed to have prominent veins.

What is the difference between prominent veins and varicose veins?
When i have anal fistula i have restless leg and developed to have prominent veins.

Varicose Veins : varicose veins are a result of venous insufficiency secondary to broken venous valves. It usually progresses to pain, swelling, skin darkening of the legs and sometime it may cause restless leg syndrome. It can also lead to superficial thrombophlebitis and subsequently to deep vein thrombosis. This should be treated and I recommend seeing a general surgeon who treats Varicose veins. ...Read more

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What's the difference between a colon fissure and colon fistula?

What's the difference between a colon fissure and colon fistula?

Tear vs tunnel!: Anal fissure is a very painful tear of the sensitive anal lining, while a fistula is an infected tunnel that connects inside with outside. Often a fissure will heal without surgery, while a fistula usually won't, but get checked if you think you have either if these painful anorectal problems. ...Read more

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Can any doc tell me what's the difference between anorectal fistula and abscess?

Can any doc tell me what's the difference between anorectal fistula and abscess?

Anal abscess/fistula: true perianal abscess arise from anal glands just up inside the anus. The gland gets blocked but pressure builds up and a tract is formed leading out from the gland to the perirectal spaces (anal fistula). An abscess forms . When the abscess is drained the tract (or fistula) dries up 50% of the time. In the other 50% it remains as an anal fistula, manifesting as a chroninc draining sinus . ...Read more

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What the difference between anal fissure and anal fistula?

What the difference between anal fissure and anal fistula?

Tear / tract: A fissure is s a tear in the anal mucosa. A fistula is a tunnel deeper in the tissues with one opening on the outside and another opening on the inside of the anal canal or lower rectum. ...Read more

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Can you explain the difference between anal fissure and anal fistula?

Tear vs. Tunnel: An anal fissure is a tear in the lining of the anal canal, just inside the opening, and typically causes pain and bleeding. An anal fistula is an abnormal communication (tunnel) from inside the anal canal out to the perianal skin, usually the result of a prior perirectal abscess. It may cause drainage, swelling, discomfort and recurrent abscesses. Both are treatable conditions. ...Read more

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I have Crohn's disease. How can I tell the difference between an anal fistula (had one surgically removed 10 years ago) and a hemorrhoid?

You can not but: Your doctor can , due to training and experience . When crohn's disease involves anorectal area , recurrent fistulas , infections , pain , drainage , local infections are common , make the diagnosis difficult , tissue biopsy ( pathology ) is the only way to distinguish from other conditions. ...Read more

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What is the difference between a shunt malfunction and the stomach bug?

What is the difference between a shunt malfunction and the stomach bug?

Big difference : One is infection, likely viral causing a stomach infection. If a shunt is blocked more serious and requires surgery. Very important to sort it out. All the best. ...Read more

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What's are the difference between the three available programmable shunts commonly used to treat hydrocephalus?

What's are the difference between the three available programmable shunts commonly used to treat hydrocephalus?

Several Differences: Several differences exist. One the number of pressure settings, available to program, another is the ability to tolerate exposure to mri. Finally, the ability to 'virtually shut the device off' by using a high pressure setting is another feature present that may or may not be present in a given device. Disclosure: i work for one of the companies that make these devices. ...Read more

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Shunt (Definition)

Device that allows the flow of usually a fluid between two places. Sometimes a shunt may be used during carotid endarterectomy surgery to maintain the blood flow to the brain while the carotid artery ...Read more