Renal ischemia

Renal ischemia is one of the causes of acute renal failure. Hypertonicity leads to renal ischemia and hypoxia. Generally, contrast agents are hypertonic, with a concentration of 1400 to 1800mOsm / L and an iodine content of up to 37%. When hypertonic contrast agents reach the kidney, they can Causes renal vasoconstriction, reduced renal blood flow, and renal ischemia. The kidney is an important organ for the body to maintain a stable internal environment. Severe renal ischemia such as severe trauma, large area burns, major surgery, massive blood loss, major obstetric hemorrhage, severe infections, sepsis, dehydration and electrolyte imbalance, especially those with shock, are prone to acute tubular necrosis.

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