The causes of renal infarction:.

thrombosis of the renal artery, then the ischemic infarct of the kidney is formed - occurs with atrial fibrillation or myocardial infarction, mitral stenosis, heart failure or atherosclerosis of renal vessels;.

hemorrhagic infarcts of the kidney due to obstruction of the renal vein;.

heart attacks due to sickle cell anemia, scleroderma, Marfan syndrome, nephrosclerosis.

A urinary acid infarction.

This form of kidney damage occurs in a newborn child in the first days of life. It is caused by excessive deposition of uric acid crystals in the region of the renal tubules, enhanced isolation of uric acid crystals in urine, deposition of brick-red salts on diapers. This is usually due to the rapid decay of cells with the release of a large number of purines from which uric acid is formed.

Renal damage with uric acid infarction is reversible, uric acid is excreted from the kidneys for several days and does not represent a particular danger to the health of the child. It is only necessary to increase the intake of liquid to dissolve urinary salts.

Manifestations of a kidney infarction.

Symptoms of lesion are usually manifested:.

acute sudden pain in the lower back, in the abdomen;.

nausea and vomiting on pain;.

increased pressure on the background of pain;.

disturbances in the rhythm of the heart;.

blood in the urine, a decrease in the volume of urine or acute urinary retention;.

refusal to eat;.

increase in temperature.

At a small zone of a heart attack of strongly pronounced clinical displays can not be.

Diagnostic Methods.

The basis of the diagnosis - complaints in conjunction with the analysis: a large amount of protein, blood in the urine with a decrease in the volume of urine or its delay. At the same time, biochemistry of the cut shows the increase of AST and ALT, DLG and creatine kinase, the level of urea and creatinine of the blood increases. A general blood test shows the acceleration of ESR and leukocytosis.

Conduct CT and MRI of blood, as well as carrying out ultrasound of the kidney, dopplerography and angiography.

Methods of treatment.

A uric acid infarct of the kidney in a newborn, in addition to increasing fluid intake, requires no action. The disease requires complete anesthesia, control of pressure and anticoagulant therapy, with ineffectiveness, surgical treatment is necessary - kidney removal, thrombectomy, embolus removal.

The prognosis for life and health depends on the extent of kidney damage and renal dysfunction.

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