What is the role of renal dysfunction in the pathophysiology of multiple organ dysfunction syndrome (MODS) in sepsis?

Updated: Jan 27, 2020
  • Author: Ali H Al-Khafaji, MD, MPH, FACP, FCCP, FCCM; Chief Editor: Michael R Pinsky, MD, CM, Dr(HC), FCCP, FAPS, MCCM  more...
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Answer

Acute kidney injury (AKI) often accompanies sepsis. Different etiologies for AKI have been reported, and the cause is typically thought to be multifactorial. [8] The mechanism of AKI is complex but likely involves a decrease in effective intravascular volume resulting from systemic hypotension, direct renal vasoconstriction, release of cytokines, and activation of neutrophils by endotoxins and other peptides, which contribute to renal injury. Still, most animal studies show that renal blood flow is increased, not decreased, in sepsis, though associated with impaired tubular function and a lack of significant histologic evidence of tubular injury.


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