We conducted this study aiming to assess the performance of muscle Lactate and lactate to pyruvate (L/P) ratio clearance in predicting mortality in septic shock patients by using microdialysis.

Microcirculatory alterations are frequently observed in patients with sepsis. In vivo microdialysis (MD) is a bedside technique that can monitor tissue metabolic changes. We conducted this study aiming to assess the performance of muscle Lactate and lactate to pyruvate (L/P) ratio clearance in predicting mortality in septic shock patients by using microdialysis.

Interstitial tissue concentrations of lactate, pyruvate, glucose and glycerol were obtained at baseline and every 6 hours for 3 days by using muscle microdialysis. Clearances of muscle lactate, and L/P ratio were defined as the percentage change in muscle lactate level or L/P ratio compared to baseline (H0) values. A positive value of clearance means a decrease in the rate of the parameter under study.

Inclusion Criteria:

• patients fulfilled the criteria of septic shock

Exclusion Criteria:

• pregnancy, uncontrolled hemorrhage, terminal heart failure, significant valvular heart disease, documented or suspected acute coronary syndrome, and limitations on the use of inotropes: left ventricle outflow obstruction, systolic anterior motion of the mitral valve.
• incomplete data