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Kidney injury after cardiac surgery can occur due to various factors, and the specific mechanisms may vary. Some common reasons include:
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During cardiac surgery, there might be a temporary reduction in blood flow to the kidneys, leading to insufficient oxygen supply.
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The inflammatory response triggered by cardiac surgery can affect the kidneys. The body's immune system may respond to the surgery, causing inflammation and potentially impacting kidney function.
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The use of cardiopulmonary bypass, a common technique during cardiac surgery, can affect renal perfusion and oxygenation, potentially leading to kidney injury.
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Some cardiac procedures may involve the use of contrast agents for imaging purposes. These agents can be stressful to the kidneys and may contribute to acute kidney injury.
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Patients with pre-existing kidney conditions or other risk factors may be more susceptible to kidney injury during and after cardiac surgery.
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