Pyelonephritis is an infection of the kidneys
Updated on September 18, 2024
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In fact, pyelonephritis is not really nephritis; it is actually a type of bacterial inflammatory infection. Bacteria can infect many parts of the body. If the urinary system is infected and it reaches the renal pelvis and calyces, it is referred to as pyelonephritis. Over 95% of pyelonephritis cases are caused by bacterial infections, and 70% are due to Escherichia coli. Generally, this bacteria enters the urinary system from the urethral opening and ascends to the renal pelvis and calyces, where it proliferates and causes an inflammatory response. The main clinical symptoms of the patient are fever and back pain, and the patient may also experience gross hematuria (visible blood in urine).
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