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Pyelonephritis

Pyelonephritis is an infectious acute or chronic inflammation of renal pelvis caused by bacteria, usually coli bacillus.

Urine of the healthy person is sterile however bacteria can get from intestine, genitals, or with blood lymph. Development of pyelonephritis is promoted by blocking of urine outflow.

More often children, 18-30-year-old women, elderly men suffer from pyelonephritis. It also can be caused by urolithiasis proceeding with renal colic. The probability of pyelonephritis grows at decrease in immunity, avitaminosis, diabetes mellitus, and tuberculosis.

At acute pyelonephritis temperature suddenly increases, there are fever, expressed weakness, headache, intense diaphoresis, sometimes nausea and vomiting. There is a back pain, unilateral in most cases. Pain has a blunt character, its intensity is various. If the disease arose at urolithiasis, emergence of pyelonephritis is preceded by the attack of renal colic.

The acute pyelonephritis will be transformed in chronic form without treatment; kidney pyesis, which is shown by appreciable aggravation of symptoms and sharp temperature drops (35°C – 40°C), may develop.

Chronic pyelonephritis disturbs the patient with persistent dull aching pain with localization in loin. It is aggravated in cold weather. Sometimes the disease leads to permanent increase of arterial pressure. Chronic pyelonephritis is disposed to become regularly aggravated.

Prophylaxis of pyelonephritis consists of treatment of the disease which has led to it – urolithiasis, prostate adenomas.