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Table 3 Evolution of microcirculatory parameters in a cohort of 31 hospital survivors

From: When to stop septic shock resuscitation: clues from a dynamic perfusion monitoring

Perfusion parameters Number of patients with altered baseline values Baseline 2 h 6 h 24 h pvaluea
PPV (%) 30 69 [62 to 75] 70 [68 to 78] 71 [67 to 79] 77 [68 to 83] 0.04
MFI (score) 28 1.9 [1.5 to 2.2] 2.0 [1.6 to 2.2] 2.1 [1.8 to 2.3] 2.2 [2.0 to 2.5] 0.003
StO2 (%) 8 72 [65 to 74] 73.5 [71 to 76] 75.5 [69 to 84] 77 [68 to 85] NS
StO2 recovery slope (%/s) 23 1.72 [0.6 to 2.0] 1.76 [0.7 to 2.7] 1.70 [1.2 to 2.8] 2.0 [1.6 to 3.1] 0.055
  1. Values are expressed as median [interquartile range]. aComparison within group of variables was made with non-parametric trend. PPV, proportion of perfused vessels; MFI, microcirculatory flow index; PVD, perfused vessel density; StO2, tissue oxygen saturation.