Abstract
The failure of gut oxygen uptake (VO2) to rebound with fluid resuscitation in lipopolysaccharide (LPS)-treated animals is in sharp contrast to non-LPS models of gut ischemia, including studies of systemic hypoxic hypoxia or ischemic hypoxia in which gut VO2 return to baseline with fluid resuscitation. This suggests that the pathophysiology of shock associated with LPS treatment has features such as microvascular and inflammatory mediator response derangements that are not involved in non-LPS hypoxia and ischemia, and cause sustained disturbances in gut VO2. After LPS infusion, blood flow-controlling sites in the gut microcirculation appear to be inadequate to maintain mucosal perfusion and oxygenation, and unable to prevent the preferential onset of VO2 dependence on flow in the gut despite adequate fluid resuscitation.
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© 1996 Springer-Verlag Berlin Heidelberg
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Nevière, R., Vallet, B. (1996). β-Adrenergic Drugs to improve Gastrointestinal Mucosal Blood Flow in Sepsis. In: Vincent, JL. (eds) Yearbook of Intensive Care and Emergency Medicine. Yearbook of Intensive Care and Emergency Medicine, vol 1996. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-80053-5_29
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DOI: https://doi.org/10.1007/978-3-642-80053-5_29
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