Acute Kidney Injury in Patients With Acute Respiratory Distress Syndrome: Incidence, Risk Factors and Its Impact on the Outcome
Acute Kidney Injury in Patients With Acute Respiratory Distress Syndrome: Incidence, Risk Factors and Its Impact on the Outcome
Several studies suggested that ARDS may have important adverse effects on renal function, but few studies have specifically addressed the risk factors of AKI and its impact on the outcome in theses patients.
Acute respiratory distress syndrome is considered an acute diffuse lung injury in which an inciting inflammatory event is followed by hypoxemic respiratory failure. Despite advances in the management of ARDS, the mortality remains high. The LUNG SAFE study reported that hospital mortality was 34.9% in patients with mild ARDS, 40.3% in patients with moderate ARDS, and 46.1% in patients with severe ARDS. Understanding the prognostic factors in ARDS is essential for decreasing its mortality. Acute kidney injury (AKI) is a common and challenging medical condition in critically ill patients, in which there is a sudden renal impairment during hours to days and it is known to be associated with increased mortality .Other adverse outcomes associated with AKI includes chronic kidney disease (CKD) and high cardio-vascular complications. The incidence of AKI in hospitalized adults was reported to be 22% with a mortality rate of 24%. The severity of AKI ranges from stage 1 to stage 3 according to The KDIGO (Kidney Disease: Improving Global Outcomes) system, based on decreased urine output over time, or increases in serum creatinine, or both.
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