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Nitrite/nitrate (NOx) levels and hemodynamics during septic shock

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Abstract

Nitric oxide (NO) acts as a vasorelaxant. We investigated the relationship between nitrite/nitrate (NOx), which are the final metabolites of NO, and hemodynamics during septic shock. We also examined tumor necrosis factor α (TNF-α), interleukin-8 (IL-8), and endotoxin. A significant negative correlation was observed between NOx levels and pulmonary capillary wedge pressure (PCWP;r=−0.6075,P=0.0028). A significant positive correlation was noted between NOx levels and the cardiac index (CI;r=−0.5934,P=0.0038). A significant negative correlation was found between NOx levels and the systemic vascular resistance index (SVRI;r=−0.4354,P=0.0485). A significant positive correlation was observed between NOx levels and the stroke volume index (SVI;r=0.5040,P=0.0186). A significantly close positive correlation was also observed between TNF-α levels and NOx levels (r=0.7848,P<0.0001). These findings suggest that NOx levels are closely associated with hemodynamics during septic shock, resulting in a vascular relaxing effect.

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Nakae, H., Endo, S., Kikuchi, M. et al. Nitrite/nitrate (NOx) levels and hemodynamics during septic shock. Surg Today 30, 683–688 (2000). https://doi.org/10.1007/s005950070078

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  • DOI: https://doi.org/10.1007/s005950070078

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