Cited by 39Sepsis Diagnosis and TreatmentNitric Oxide and Endothelin EffectsAcute Kidney Injury Research

Nitrite regulation of shock

Cauwels, A., Brouckaert, P.·2011·Cardiovascular Research

Abstract

Severe sepsis and septic shock, which are among the most common causes of death in intensive care units worldwide, cause high morbidity, mortality, and social and economic costs. Therefore, developing successful therapies against sepsis is one of the most important challenges in critical care medicine. Death from septic shock is caused by refractory hypotension and multiple organ failure (MOF). Although excessive systemic vasodilation triggered by nitric oxide (NO) is believed to mediate the hypotension, several endogenous factors and phenomena are responsible for MOF, including tissue hypoperfusion and ischaemia, mitochondrial dysfunction, and other cytotoxic effects, all of which might be directly or indirectly antagonized by local NO. Hence, selective inhibition of the production of hypotension-causing NO in the macrocirculation and/or selective treatment with microvasculature-specific NO donors could theoretically constitute a successful therapy. Recently, the NO metabolite nitrite was recognized as an NO donor specifically in hypoxic/acidic conditions, which can be expected in the septic microvasculature. We recently showed that treatment with nitrite can protect mice against progressive hypothermia, mitochondrial dysfunction, organ damage, and even death induced by tumour necrosis factor or lipopolysaccharide. In this review, we discuss the rationale for using nitrite for the treatment of shock, the possible mechanisms of nitrite-mediated protection, and the lessons that can be drawn for possible future translation of the results from mouse models to the clinic.

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Crossref · 10.1093/cvr/cvq317

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Authors
Cauwels, A., & Brouckaert, P.
Affiliations
  • Vlaams Instituut voor Biotechnologie (BE)
  • Ghent University (BE)
Corresponding author
Cauwels, A.
Venue
Cardiovascular Research
Published
2010-10-01
Volume
89
Issue
3
Pages
553-559
ISSN
0008-6363 (ISSN-L)
OpenAlex
W2109203984
Cited by
39
References
86
Citations by year
2025: 1 · 2024: 2 · 2023: 1 · 2020: 1 · 2018: 3 · 2017: 1 · 2016: 1 · 2015: 2 · 2014: 8 · 2013: 3 · 2012: 8
FWCI
0.69
Type
journal article
Language
en
Open access
closed
Locations
  • Cardiovascular Research (publishedVersion)
  • PubMed (publishedVersion)
  • Ghent University Academic Bibliography (Ghent University) (submittedVersion)
Topics
  • Health Sciences › Medicine › Epidemiology › Sepsis Diagnosis and Treatment
  • Health Sciences › Medicine › Physiology › Nitric Oxide and Endothelin Effects
  • Health Sciences › Medicine › Nephrology › Acute Kidney Injury Research
Keywords
nitrite, septic shock, sepsis, nitric oxide, multiple organ failure, hypotension, mitochondrial dysfunction, microcirculation, nitric oxide donors, lipopolysaccharide, TNF-α, tissue hypoxia, organ protection
MeSH terms
Animals, Humans, Mitochondria, Multiple Organ Failure, Nitric Oxide, Nitrites, Shock, Septic, Tumor Necrosis Factor-alpha

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