How is tissue hypoxia detected and corrected in sepsis/septic shock?

Updated: Oct 07, 2020
  • Author: Andre Kalil, MD, MPH; Chief Editor: Michael R Pinsky, MD, CM, Dr(HC), FCCP, FAPS, MCCM  more...
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Answer

Patients with sepsis or septic shock have hypermetabolism, maldistribution of blood flow, and, possibly, suboptimal oxygen delivery; therefore, attempts at detecting and correcting tissue hypoxia must be made. Lactic acidosis is an indication of either global ischemia (inadequate oxygen delivery) or regional (organ-specific) ischemia. Calculation of pH in the gastric mucosa via gastric tonometry may detect tissue hypoxia in the splanchnic circulation; however, this technique has not been validated extensively and is not widely available.


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