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Published on: February 15, 2022
Sepsis-Induced Acute Kidney Injury
Johan Mårtensson1, Rinaldo Bellomo2
1Department of Intensive Care, Austin Hospital, 145 Studley Road, Heidelberg, Victoria 3084, Australia; Department of Physiology and Pharmacology, Section of Anaesthesia and Intensive Care Medicine, Karolinska Institutet, 171 77 Stockholm, Sweden.
Abstract:
Acute kidney injury (AKI) is a serious yet potentially reversible complication of sepsis. Several molecular mechanisms involved in the development of septic AKI have been identified. These mechanisms may be important targets in the development of future therapies. This review highlights the role of the innate immune response to sepsis and its downstream effects on kidney structure and function with special reference to the adaptive cellular response and glomerular hemodynamic changes. In addition, current evidence surrounding the management of patients with septic AKI is summarized. Finally, potential novel therapies for septic AKI are presented.
Insights
Sepsis-induced acute kidney injury (AKI) involves complex immune responses affecting kidney function. Understanding these mechanisms and current management strategies is crucial for developing novel therapies for septic AKI.
Area of Science:
- Nephrology
- Immunology
- Critical Care Medicine
Background:
- Sepsis frequently causes acute kidney injury (AKI), a condition that can be reversed.
- Molecular pathways driving septic AKI are increasingly understood.
- These pathways represent potential therapeutic targets.
Purpose of the Study:
- To review the role of innate immunity in septic AKI.
- To examine adaptive cellular responses and hemodynamic changes in the kidney during sepsis.
- To summarize current septic AKI management and explore novel therapeutic strategies.
Main Methods:
- Literature review of innate immune response in sepsis-related AKI.
- Analysis of adaptive cellular and hemodynamic factors.
- Synthesis of current clinical evidence and emerging therapies.
Main Results:
- The innate immune system significantly impacts kidney structure and function during sepsis.
- Adaptive cellular responses and altered glomerular hemodynamics are key components of septic AKI.
- Current management focuses on supportive care, with novel therapies under investigation.
Conclusions:
- The immune response to sepsis plays a critical role in the development of AKI.
- Targeting specific molecular mechanisms offers promise for future AKI treatments.
- Further research into novel therapies is essential for improving patient outcomes in septic AKI.
Related Concept Videos
Acute Kidney Injury I: Introduction
Acute Kidney Injury II: Pathophysiology
Acute Kidney Injury IV: Diagnostic Studies and Prevention
Acute Kidney Injury III: Clinical Manifestations
Acute Pyelonephritis I: Introduction
Acute Kidney Injury V: Interprofessional Care

