Acute kidney injury (AKI) is becoming increasingly common in elderly individuals. The presence of multiple comorbidities as well as age-related changes in the kidney, systemic vasculature and immunological system render older patients more prone to renal injury. Hypovolemia, sepsis, and iatrogenic complications related to drug toxicity, contrast-induced nephropathy, and perioperative complications therefore often occur in older hospitalized patients. Although AKI is treated in the same way in elderly individuals and younger patients, elderly individuals are more vulnerable to dialysis-related complications such as hemodynamic instability, bleeding, and mild disequilibrium syndrome. Strategies for the prevention of AKI are particularly important in these fragile patients, but making an early diagnosis is especially challenging in this age group.
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