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Pyelonephritis - acute - Background information
What causes it?
- Acute pyelonephritis is caused by infection within the renal pelvis, with or without active infection of the renal parenchyma [Tomson, 2003]. In most people, it is caused by bacteria ascending from the lower urinary tract. The most common pathogens are:
- Escherichia coli.
- Klebsiella pneumoniae.
- Proteus species.
- Pseudomonas species.
- Enterococcus species.
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