Can you tell me about vesicoureteral reflux?

Here are some ...: Vesicoureteral reflux (VUR) is referred to urine backflow from bladder to kidneys during micturition resulting from sphincteric dysfunction at the intramural segment of distal ureter inside the bladder wall if the pressure inside bladder is within normal limit, usually less than 35-40 cm of water. Most of times, it's an inborn functional deficit of the described distal ureteral segment, so in chil