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Doctor insights on: Posterior Urethral Valve

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Hi, I am 23 male.I had posterior urethral valve.Treatd with vaĺve abaĺation in newborn period. Now i had mild bilater knee joint tendernes, and?

Hi, I am 23 male.I had posterior urethral valve.Treatd with vaĺve abaĺation in newborn period. Now i had mild bilater knee joint tendernes, and?

Pain not related.: Assuming that this condition was treated and you now have normal kidney function, it is very unlikely that the knee pain has any connection to this past condition.The differential diagnosis is quite large for bilateral knee pain and tenderness. If there is no history of injury, you most likely have some sort of arthritis. A consultation family physician or rheumatologist is definitely in order. ...Read more

Dr. Creighton Wright
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Valve (Definition)

A valve is a structure that regulates the direction of flow. The heart is a special kind of pump. It moves blood by squeezing and relaxing. There are 4 chambers and each chamber has a valve. This keeps blood from moving backwards when the heart squeezes. When a chamber squeezes it lets the blood move forward but when the chamber is relaxed it prevents the blood from ...Read more


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Prosterior urethral valves in fetus, what is this?

Prosterior urethral valves in fetus, what is this?

PUV serious problem: Posterior urethral valves cause severe urinary tract obstruction. They are located at level of external urethral sphincter, distal to bladder neck & prevent urine from passing. Can cause severe kidney damage before birth, as evidence by kidney swelling (hydronephrosis). Bladder & bladder neck can be greatly thickened & first part of urethra, before valves is widely open. Treated by resection. ...Read more

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Urethral valve and bladder valve for babies will get mature as they grow older if there is defect from birth?

Yes and no: They would mature, but not resolve.The posterior urethral valve or valves is a birth defect in the formation of the outflow tract.About 95% of cases are treated with surgical removal of the obstructing portion of this defect and followed to assure proper emptying of the urinary tract.Untreated defects can result in eventual kidney failure. ...Read more

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Which is more difficult to manage: the anterior or posterior mitral valve prolapse?

Which is more difficult to manage: the anterior or posterior mitral valve prolapse?

Severity: Management of MV prolapse depends on severity of symptoms, and if there is any mitral regurgitation - not so much on whether the anterior or posterior leaflets are more involved. ...Read more

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What is porcine valve?

What is porcine valve?

Pig valve: It is an artificial valve made from a pig's heart. It's used to replace a damaged (stenotic or leaky valve) in the heart of a human. ...Read more

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What is an aortic valve?

What is an aortic valve?

See Below: The aortic valve lies between the left ventricle and the aorta. The left ventricle contracts and sends oxygenated blood to the body, it then relaxes and the aortic valve closes to prevent the blood from returning to the heart. ...Read more

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Where is the aortic valve?

Where is the aortic valve?

Between LV and Ao: The aortic valve is a passive flap valve with three leaflets which opens as the left ventricle (LV) ejects blood into the Aorta (Ao). After ejection, the LV relaxes, and when LV pressure is lower than Ao pressure, the aortic valve flaps closed, preventing blood from leaking (regurgitating) back into the heart. ...Read more

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What is in the aortic valve?

What is in the aortic valve?

Left side: The aortic valve is the outflow valve and it is located on the left side of the heart. It opens to allow blood to leave the left ventricle and it closes to prevent backflow of blood into the ventricle. ...Read more

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Urethra (Definition)

The canal through which urine exits the bladder, discharging the urine externally. In men, it is about 20-cm long with a membranous, prostatic, bulbar, and pendulous segments ending at the glans penis; it gives passage to the spermatic fluid as well as urine. In the female, the urethra is about 4 cm long & in close relation with the anterior ...Read more