URINARY TRACT INFECTION (UTI)
Last Updated : 1/2/2012
Kumud P Mehta
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Urinary tract infection

is a bacterial invasion of kidneys and the urinary tract. It is designated as pyelonephritis or upper UTI when the infection involves mainly renal parenchyma and pelvicalyceal system. Lower UTI involves infection of urinary bladder and urethra.

Causes


UTI is predominantly caused by enterococci like certain strains of E.Coli and other gram negative bacilli such as Proteus, Klebsiella, and Pseudomonas, which are uropathogenic. It is rarely caused by tubercular bacilli.

In children below the age of 3-4 years, UTI is associated with underlying congenital anomalies such as posterior urethral valves, PUJ obstruction, vesicoureteral reflux (VUR), bladder diverticuli or ureteroceles etc.



Contributor Information and Disclosures

Kumud P Mehta
Consultant Pediatrician & Pediatric Nephrologist, Jaslok Hospital & Research Centre, Bai Jerbai Wadia Hospital for children, Mumbai,India


First Created : 1/2/2002

References

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